.github/scripts/setup-env.sh

@@ -7,28 +7,66 @@
 
 set -e;
 
+# ##### Prereqs #####
+#
+# Set global vars for usage in the script, create the cache directory so we can rely
+# on that existing, then dump some diagnostic info for later reference.
+#
+CI_VENV=$HOME/ci;
 CI_CACHE=$HOME/.cache;
-POETRY_VERSION=1.3.2;
+CI_CACHE_GET_POETRY="$CI_CACHE/get-poetry.py";
+CI_POETRY=$HOME/.poetry/bin/poetry;
+CI_VENV_PIP="$CI_VENV/bin/pip";
+CI_VENV_PIP_VERSION=19.3.1;
+CI_VENV_TOX="$CI_VENV/bin/tox";
 
 mkdir --parents "$CI_CACHE";
 
 command -v python;
 python --version;
 
-curl --location https://install.python-poetry.org \
-  --output "$CI_CACHE/install-poetry.py" \
+# ##### Install Poetry #####
+#
+# Download the poetry install script to the cache directory and then install poetry.
+# After dump the poetry version for later reference.
+#
+curl https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py \
+  --output "$CI_CACHE_GET_POETRY" \
   --silent \
-  --show-error;
-python "$CI_CACHE/install-poetry.py" \
-  --version "$POETRY_VERSION" \
-  --yes;
-poetry --version --no-ansi;
-poetry run pip --version;
+  --show-error \
+  --location;
+python "$CI_CACHE_GET_POETRY" --yes 1>/dev/null;
 
-poetry install \
+python "$CI_POETRY" --version --no-ansi;
+
+# ##### Setup Runtime Venv #####
+#
+# Create a virtual environment for poetry to use, upgrade pip in that venv to a pinned
+# version, then install the current project to the venv.
+#
+# Note 1: Poetry, Tox, and this project plugin all use pip under the hood for package
+#         installation. This means that even though we are creating up to eight venvs
+#         during a given CI run they all share the same download cache.
+# Note 2: The "VIRTUAL_ENV=$CI_VENV" prefix on the poetry commands below sets the venv
+#         that poetry will use for operations. There is no CLI flag for poetry that
+#         directs it to use a given environment, but if it finds itself in an existing
+#         environment it will use it and skip environment creation.
+#
+python -m venv "$CI_VENV";
+
+$CI_VENV_PIP install "pip==$CI_VENV_PIP_VERSION" \
+  --upgrade \
+  --quiet;
+
+VIRTUAL_ENV=$CI_VENV "$CI_POETRY" install \
+  --extras poetry \
   --quiet \
-  --remove-untracked \
-  --no-ansi;
+  --no-ansi \
+  &>/dev/null;
 
-poetry env info;
-poetry run tox --version;
+# ##### Print Debug Info #####
+#
+# Print the pip and tox versions (which will include registered plugins)
+#
+$CI_VENV_PIP --version;
+echo "tox $($CI_VENV_TOX --version)";

.github/workflows/ci.yaml

@@ -7,33 +7,27 @@ on:
     branches: ["devel"]
 jobs:
   Test:
-    name: Python ${{ matrix.python.version }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python:
-          - version: "3.8"
+          - version: 3.6
+            toxenv: py36
+          - version: 3.7
+            toxenv: py37
+          - version: 3.8
             toxenv: py38
-          - version: "3.9"
+          - version: 3.9
             toxenv: py39
-          - version: "3.10"
-            toxenv: py310
-          - version: "3.11"
-            toxenv: py311
-          - version: "3.12"
-            toxenv: py312
-      fail-fast: true
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-
-      - name: Install Python ${{ matrix.python.version }}
-        uses: actions/setup-python@v4
+      - name: Setup:python${{ matrix.python.version }}
+        uses: actions/setup-python@v1
         with:
           python-version: ${{ matrix.python.version }}
-
-      - name: Configure Job Cache
-        uses: actions/cache@v3
+      - name: Setup:cache
+        uses: actions/cache@v2
         with:
           path: |
             ~/.cache/pip
@@ -43,49 +37,34 @@ jobs:
           # will be invalidated, and thus all packages will be redownloaded, if the
           # lockfile is updated
           key: ${{ runner.os }}-${{ matrix.python.toxenv }}-${{ hashFiles('**/poetry.lock') }}
-
-      - name: Configure Path
-        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
-
-      - name: Configure Environment
+      - name: Setup:env
         run: .github/scripts/setup-env.sh
-
-      - name: Run Toxenv ${{ matrix.python.toxenv }}
-        run: poetry run tox -e ${{ matrix.python.toxenv }}
-
+      - name: Run:${{ matrix.python.toxenv }}
+        run: $HOME/ci/bin/tox -e ${{ matrix.python.toxenv }} --require-poetry
   Check:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-
-      - name: Install Python 3.10
-        uses: actions/setup-python@v4
+      - name: Setup:python3.8
+        uses: actions/setup-python@v1
         with:
-          python-version: "3.10"
-
-      - name: Configure Job Cache
-        uses: actions/cache@v3
+          python-version: 3.8
+      - name: Setup:cache
+        uses: actions/cache@v2
         with:
           path: |
             ~/.cache/pip
             ~/.cache/pypoetry/cache
             ~/.poetry
-          # Hardcoded 'py310' slug here lets this cache piggyback on the 'py310' cache
+          # Hardcoded 'py38' slug here lets this cache piggyback on the 'py38' cache
           # that is generated for the tests above
-          key: ${{ runner.os }}-py310-${{ hashFiles('**/poetry.lock') }}
-
-      - name: Configure Path
-        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
-
-      - name: Configure Environment
+          key: ${{ runner.os }}-py38-${{ hashFiles('**/poetry.lock') }}
+      - name: Setup:env
         run: .github/scripts/setup-env.sh
-
-      - name: Run Static Analysis Checks
-        run: poetry run tox -e static
-
-      - name: Run Static Analysis Checks (Tests)
-        run: poetry run tox -e static-tests
-
-      - name: Run Security Checks
-        run: poetry run tox -e security
+      - name: Run:static
+        run: $HOME/ci/bin/tox -e static --require-poetry
+      - name: Run:static-tests
+        run: $HOME/ci/bin/tox -e static-tests --require-poetry
+      - name: Run:security
+        run: $HOME/ci/bin/tox -e security --require-poetry

.pre-commit-config.yaml

@@ -13,68 +13,36 @@
 # by the Poetry-managed dependency.
 #
 repos:
-  - repo: local
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.3.0
     hooks:
       - id: end-of-file-fixer
-        name: end-of-file-fixer
-        entry: end-of-file-fixer
         language: system
-        types:
-          - text
-
       - id: fix-encoding-pragma
-        name: fix-encoding-pragma
-        entry: fix-encoding-pragma
-        language: system
         args:
           - "--remove"
-        types:
-          - python
-
-      - id: trailing-whitespace-fixer
-        name: trailing-whitespace-fixer
-        entry: trailing-whitespace-fixer
         language: system
-        types:
-          - text
-
+      - id: trailing-whitespace
+        language: system
       - id: check-merge-conflict
-        name: check-merge-conflict
-        entry: check-merge-conflict
         language: system
-        types:
-          - text
-
-      - id: reorder-python-imports
-        name: reorder-python-imports
-        entry: isort
-        language: system
-        require_serial: true
-        types:
-          - python
-        args:
-          - "--filter-files"
 
+  - repo: https://github.com/psf/black
+    rev: 20.8b1
+    hooks:
       - id: black
-        name: black
-        entry: black
         language: system
-        types:
-          - python
 
+  - repo: https://github.com/asottile/blacken-docs
+    rev: v1.8.0
+    hooks:
       - id: blacken-docs
-        name: blacken-docs
-        entry: blacken-docs
         language: system
-        types:
-          - text
 
-      - id: mdformat
-        name: mdformat
-        entry: mdformat
-        language: system
+  - repo: https://github.com/asottile/reorder_python_imports
+    rev: v2.3.6
+    hooks:
+      - id: reorder-python-imports
         args:
-          - "--number"
-          - "--wrap=90"
-        types:
-          - markdown
+          - "--unclassifiable-application-module=tox_poetry_installer"
+        language: system

.pylintrc

@@ -1,5 +1,46 @@
+[MASTER]
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-whitelist=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=
+
+# Add files or directories matching the regex patterns to the blacklist. The
+# regex matches against base names, not paths.
+ignore-patterns=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Use multiple processes to speed up Pylint.
+jobs=1
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Specify a configuration file.
+#rcfile=
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+
 [MESSAGES CONTROL]
 
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
+confidence=
+
 # Disable the message, report, category or checker with the given id(s). You
 # can either give multiple identifiers separated by comma (,) or put this
 # option multiple times (only on the command line, not in the configuration
@@ -9,46 +50,378 @@
 # --enable=similarities". If you want to run only the classes checker, but have
 # no Warning level messages displayed, use"--disable=all --enable=classes
 # --disable=W"
-disable=logging-fstring-interpolation
-        ,logging-format-interpolation
-        ,line-too-long
-        ,ungrouped-imports
-        ,typecheck
-        ,wrong-import-order
-        ,wrong-import-position
+disable=logging-fstring-interpolation, logging-format-interpolation, bad-continuation, line-too-long
+#print-statement,parameter-unpacking,unpacking-in-except,old-raise-syntax,backtick,long-suffix,old-ne-operator,old-octal-literal,import-star-module-level,raw-checker-failed,bad-inline-option,locally-disabled,locally-enabled,file-ignored,suppressed-message,useless-suppression,deprecated-pragma,apply-builtin,basestring-builtin,buffer-builtin,cmp-builtin,coerce-builtin,execfile-builtin,file-builtin,long-builtin,raw_input-builtin,reduce-builtin,standarderror-builtin,unicode-builtin,xrange-builtin,coerce-method,delslice-method,getslice-method,setslice-method,no-absolute-import,old-division,dict-iter-method,dict-view-method,next-method-called,metaclass-assignment,indexing-exception,raising-string,reload-builtin,oct-method,hex-method,nonzero-method,cmp-method,input-builtin,round-builtin,intern-builtin,unichr-builtin,map-builtin-not-iterating,zip-builtin-not-iterating,range-builtin-not-iterating,filter-builtin-not-iterating,using-cmp-argument,eq-without-hash,div-method,idiv-method,rdiv-method,exception-message-attribute,invalid-str-codec,sys-max-int,bad-python3-import,deprecated-string-function,deprecated-str-translate-call,
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once). See also the "--disable" option for examples.
+enable=
 
 
 [REPORTS]
 
+# Python expression which should return a note less than 10 (10 is the highest
+# note). You have access to the variables errors warning, statement which
+# respectively contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details
+#msg-template=
+
 # Set the output format. Available formats are text, parseable, colorized, json
 # and msvs (visual studio).You can also give a reporter class, eg
 # mypackage.mymodule.MyReporterClass.
-output-format=colorized
+output-format=text
+
+# Tells whether to display a full report or only the messages
+reports=no
+
+# Activate the evaluation score.
+score=yes
+
+
+[REFACTORING]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
 
 
 [BASIC]
 
+# Naming hint for argument names
+argument-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Regular expression matching correct argument names
+argument-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Naming hint for attribute names
+attr-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Regular expression matching correct attribute names
+attr-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,bar,baz,toto,tutu,tata
+
+# Naming hint for class attribute names
+class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Regular expression matching correct class attribute names
+class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Naming hint for class names
+class-name-hint=[A-Z_][a-zA-Z0-9]+$
+
+# Regular expression matching correct class names
+class-rgx=[A-Z_][a-zA-Z0-9]+$
+
+# Naming hint for constant names
+const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Regular expression matching correct constant names
+const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+# Naming hint for function names
+function-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Regular expression matching correct function names
+function-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
 # Good variable names which should always be accepted, separated by a comma
-good-names=_,ip,T
+good-names=_,ip,ap
+
+# Include a hint for the correct naming format with invalid-name
+include-naming-hint=no
+
+# Naming hint for inline iteration names
+inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$
+
+# Regular expression matching correct inline iteration names
+inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
+
+# Naming hint for method names
+method-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Regular expression matching correct method names
+method-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Naming hint for module names
+module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Regular expression matching correct module names
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=^_
+
+# List of decorators that produce properties, such as abc.abstractproperty. Add
+# to this list to register other decorators that produce valid properties.
+property-classes=abc.abstractproperty
+
+# Naming hint for variable names
+variable-name-hint=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
+
+# Regular expression matching correct variable names
+variable-rgx=(([a-z][a-z0-9_]{2,30})|(_[a-z0-9_]*))$
 
 
 [MISCELLANEOUS]
-# Not FIXME or TODO
+
+# List of note tags to take in consideration, separated by a comma.
+#notes=FIXME,XXX,TODO
 notes=XXX
 
 
+[LOGGING]
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format
+logging-modules=logging
+
+
 [SIMILARITIES]
 
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
 # Ignore imports when computing similarities.
 ignore-imports=yes
 
-# Ignore function signatures when computing similarities.
-ignore-signatures=yes
-
 # Minimum lines number of a similarity.
 min-similarity-lines=10
 
+
+[VARIABLES]
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=
+
+# Tells whether unused global variables should be treated as a violation.
+allow-global-unused-variables=yes
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,_cb
+
+# A regular expression matching the name of dummy variables (i.e. expectedly
+# not used).
+dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore
+ignored-argument-names=_.*|^ignored_|^unused_|^fxt_
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# List of qualified module names which can have objects that can redefine
+# builtins.
+redefining-builtins-modules=six.moves,future.builtins
+
+
+[SPELLING]
+
+# Spelling dictionary name. Available dictionaries: none. To make it working
+# install python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to indicated private dictionary in
+# --spelling-private-dict-file option instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[FORMAT]
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Number of spaces of indent required inside a hanging  or continued line.
+indent-after-paren=4
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string='    '
+
+# Maximum number of characters on a single line.
+max-line-length=100
+
+# Maximum number of lines in a module
+max-module-lines=1000
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,dict-separator
+
+# Allow the body of a class to be on the same line as the declaration if body
+# contains single statement.
+single-line-class-stmt=no
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+
+[TYPECHECK]
+
+# List of decorators that produce context managers, such as
+# contextlib.contextmanager. Add to this list to register other decorators that
+# produce valid context managers.
+contextmanager-decorators=contextlib.contextmanager
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# This flag controls whether pylint should warn about no-member and similar
+# checks whenever an opaque object is returned when inferring. The inference
+# can return multiple potential results while evaluating a Python object, but
+# some branches might not be evaluated, which results in partial inference. In
+# that case, it might be useful to still emit no-member and other checks for
+# the rest of the inferred objects.
+ignore-on-opaque-inference=yes
+
+# List of class names for which member attributes should not be checked (useful
+# for classes with dynamically set attributes). This supports the use of
+# qualified names.
+ignored-classes=optparse.Values,thread._local,_thread._local
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis. It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# Show a hint with possible names when a member name was not found. The aspect
+# of finding the hint is based on edit distance.
+missing-member-hint=yes
+
+# The minimum edit distance a name should have in order to be considered a
+# similar match for a missing member name.
+missing-member-hint-distance=1
+
+# The total number of similar names that should be taken in consideration when
+# showing a hint for a missing member.
+missing-member-max-choices=1
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,__new__,setUp
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,_fields,_replace,_source,_make
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=mcs
+
+
+[IMPORTS]
+
+# Allow wildcard imports from modules that define __all__.
+allow-wildcard-with-all=no
+
+# Analyse import fallback blocks. This can be used to support both Python 2 and
+# 3 compatible code, which means that the block might have code that exists
+# only in one or another interpreter, leading to false positives when analysed.
+analyse-fallback-blocks=no
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=regsub,TERMIOS,Bastion,rexec
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled)
+import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled)
+int-import-graph=
+
+# Force import order to recognize a module as part of the standard
+# compatibility libraries.
+known-standard-library=
+
+# Force import order to recognize a module as part of a third party library.
+known-third-party=enchant
+
+
 [DESIGN]
 
 # Maximum number of arguments for function / method
 max-args=7
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Maximum number of boolean expressions in a if statement
+max-bool-expr=5
+
+# Maximum number of branch for function / method body
+max-branches=12
+
+# Maximum number of locals for function / method body
+max-locals=15
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of return / yield for function / method body
+max-returns=6
+
+# Maximum number of statements in function / method body
+max-statements=50
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "Exception"
+overgeneral-exceptions=Exception

CHANGELOG.md

@@ -2,186 +2,20 @@
 
 See also: [Github Release Page](https://github.com/enpaul/tox-poetry-installer/releases).
 
-## Version 1.0.0 Beta 1
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/1.0.0b1),
-[PyPI](https://pypi.org/project/tox-poetry-installer/1.0.0b1)
-
-- Update Poetry compatibility to include >=1.5
-- Update Tox compatibility to use Tox 4
-- Remove support for Tox 3
-- Remove deprecated `--require-poetry` command line option
-- Remove deprecated `install_dev_deps` confguration option
-- Remove deprecated `--parallelize-locked-install` command line option
-
-## Version 0.10.3
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.10.3),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.10.3/)
-
-- Update Poetry requirement to exclude usage with incompatible 1.5 release
-
-## Version 0.10.2
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.10.2),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.10.2/)
-
-- Update documentation with best practices and Poetry 1.2+ command syntax
-- Fix failed install of sdist package not raising an exception in multi-threaded mode.
-  Contributed by [chriskuehl](https://github.com/chriskuehl) (#86)
-
-## Version 0.10.1
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.10.1),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.10.1/)
-
-- Add PyPI classifier for Python-3.11 compatibility
-- Add CI support for Python-3.11
-- Add support for Poetry-1.3.x (#83)
-
-## Version 0.10.0
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.10.0),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.10.0/)
-
-- Add `poetry_dep_groups` option to support installing groups of Poetry dependencies.
-  Contributed by [Oshmoun](https://github.com/oshmoun) (#76)
-- Deprecate `install_dev_deps` option
-
-## Version 0.9.0
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.9.0),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.9.0/)
-
-- Add support for Poetry-1.2.x. Contributed by [Justin Wood](https://github.com/Callek)
-  (#73)
-- Update Black formatting to stable release version
-- Remove support for Python-3.6
-- Remove support for Poetry-1.1.x
-- Fix installing dependencies multiple times when transient dependencies are duplicated in
-  the dependency tree
-
-## Version 0.8.5
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.8.5),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.8.5/)
-
-- Fix Poetry version specification supporting the incompatible Poetry-1.2.0 release
-
-## Version 0.8.4
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.8.4),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.8.4/)
-
-- Fix issue where incompatible package versions were selected for installation when
-  multiple package versions were in the lockfile
-
-## Version 0.8.3
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.8.3),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.8.3/)
-
-- Add PyPI classifier for Python 3.10 compatibility
-
-## Version 0.8.2
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.8.2),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.8.2/)
-
-- Improve debug-level logging for package installation, and time how long installing each
-  package takes. Contributed by [Rebecca Turner](https://github.com/9999years) (#63).
-- Fix crash caused by the package-under-test depending on Poetry's unsafe dependencies
-  ([#65](https://github.com/enpaul/tox-poetry-installer/issues/65))
-
-## Version 0.8.1
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.8.1),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.8.1/)
-
-- Fix unintuitive behavior of the `install_project_deps` option by ensuring the specified
-  value always causes the implied action
-
-## Version 0.8.0
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.8.0),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.8.0/)
-
-- Add default installation of locked dependencies using thread workers, decreasing
-  environment provisioning times by ~90%
-- Add runtime option `--parallel-install-threads` to support configuring the number of
-  worker threads for parallel dependency installation
-- Add configuration option `install_project_deps` to support disabling the install of
-  project dependencies to an environment
-- Deprecate runtime option `--parallelize-locked-install`
-
-## Version 0.7.0
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.7.0),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.7.0/)
-
-- Add runtime option `--parallelize-locked-install` to support installing locked
-  dependencies in parallel to speed up test environment creation
-- Add config option `require_poetry` to allow per-environment control over whether the
-  plugin should force an error
-- Add unit tests for custom dependency processing and installation
-- Update internal logging system to reduce code duplication
-- Update documentation to improve readability
-- Deprecate runtime option `--require-poetry`
-
-## Version 0.6.4
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.4),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.6.4/)
-
-- Remove custom package compatibility checking logic from transient dependency resolution
-  process
-- Add integration with Poetry's compatibility
-  [`Marker`](https://github.com/python-poetry/poetry-core/blob/master/poetry/core/version/markers.py)
-  object system for determining package compatibility with the current platform
-  ([#43](https://github.com/enpaul/tox-poetry-installer/issues/43))
-- Add missing PyPI classifier for Python 3
-
-## Version 0.6.3
-
-View this release on:
-[Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.3),
-[PyPI](https://pypi.org/project/tox-poetry-installer/0.6.3/)
-
-- Update required `tox` version from `^3.0` to `^3.8` to avoid compatibility issues
-- Update logging messages to improve UX
-- Fix transient dependency packages being installed in a pseudo-random order due to Python
-  sets being unordered ([#41](https://github.com/enpaul/tox-poetry-installer/issues/41))
-- Fix outdated docstrings
-
 ## Version 0.6.2
 
 View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.2),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.6.2/)
 
-- Update locked version of `py` to `1.10.0` to address
+* Update locked version of `py` to `1.10.0` to address
   [CVE-2020-29651](https://nvd.nist.gov/vuln/detail/CVE-2020-29651)
-- Fix dependency identification failing when the package under test is a transient
-  dependency of a locked dependency specified for installation
-- Fix `AttributeError` being raised while creating the Tox self-provisioned environment
-  when using either the
-  [`minversion`](https://tox.readthedocs.io/en/latest/config.html#conf-minversion) or
-  [`requires`](https://tox.readthedocs.io/en/latest/config.html#conf-requires) Tox config
-  options
+* Fix dependency identification failing when the package under test is a transient dependency
+  of a locked dependency specified for installation
+* Fix `AttributeError` being raised while creating the Tox self-provisioned environment when
+  using either the [`minversion`](https://tox.readthedocs.io/en/latest/config.html#conf-minversion)
+  or [`requires`](https://tox.readthedocs.io/en/latest/config.html#conf-requires) Tox config options
+
 
 ## Version 0.6.1
 
@@ -189,12 +23,13 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.1),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.6.1/)
 
-- Update logging around transient dependency processing to improve debugging of dependency
+* Update logging around transient dependency processing to improve debugging of dependency
   installation problems
-- Fix regression around handling of Poetry's unsafe packages when the unsafe package is a
+* Fix regression around handling of Poetry's unsafe packages when the unsafe package is a
   transient dependency ([#33](https://github.com/enpaul/tox-poetry-installer/issues/33))
-- Fix handling of Poetry's unsafe packages when the unsafe package is a primary
-  (environment or package) dependency
+* Fix handling of Poetry's unsafe packages when the unsafe package is a primary (environment
+  or package) dependency
+
 
 ## Version 0.6.0
 
@@ -202,25 +37,26 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.0),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.6.0/)
 
-- Add `poetry` extra to support installing Poetry as a direct dependency of the plugin
-- Add `--require-poetry` runtime option to force Tox failure if Poetry is not installed
-- Update logging messages to improve UX around non-verbose messaging
-- Update error logging to avoid dumping stack traces
-- Update integration with Tox's `action` object to better manage internal state at runtime
-- Update documentation to more clearly cover more use cases
-- Remove `poetry` as a required dependency to support external Poetry installations
+* Add `poetry` extra to support installing Poetry as a direct dependency of the plugin
+* Add `--require-poetry` runtime option to force Tox failure if Poetry is not installed
+* Update logging messages to improve UX around non-verbose messaging
+* Update error logging to avoid dumping stack traces
+* Update integration with Tox's `action` object to better manage internal state at runtime
+* Update documentation to more clearly cover more use cases
+* Remove `poetry` as a required dependency to support external Poetry installations
 
 First beta release :tada:
 
+
 ## Version 0.5.2
 
 View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.5.2),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.5.2/)
 
-- Fix always attempting to install dependencies with incompatible python version
-  constraints
-- Fix always attempting to install dependencies with incompatible python platforms
+* Fix always attempting to install dependencies with incompatible python version constraints
+* Fix always attempting to install dependencies with incompatible python platforms
+
 
 ## Version 0.5.1
 
@@ -228,10 +64,11 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.5.1),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.5.1/)
 
-- Add CI/Tox tests for Python-3.9
-- Update dependency processing to reduce duplication during installation
-- Update minimum python requirement to `3.6.1`
-- Fix `UnboundLocal` exception when not installing project dependencies
+* Add CI/Tox tests for Python-3.9
+* Update dependency processing to reduce duplication during installation
+* Update minimum python requirement to `3.6.1`
+* Fix `UnboundLocal` exception when not installing project dependencies
+
 
 ## Version 0.5.0
 
@@ -239,16 +76,16 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.5.0),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.5.0/)
 
-- Add option `locked_deps` to better support both locked and unlocked dependencies in a
+* Add option `locked_deps` to better support both locked and unlocked dependencies in a
   single environment
-- Add blocking functionality when using `require_locked_deps = true` to prevent other
+* Add blocking functionality when using `require_locked_deps = true` to prevent other
   hooks from running after this one
-- Update documentation to include new configuration options and errors
-- Update documentation to improve future maintainability
-- Update module structure to move from single-file module to multi-file directory module
-- Fix `RecursionError` when installing locked dependencies that specify recursive
-  dependencies
-- Fix always reinstalling all locked dependencies on every run regardless of update status
+* Update documentation to include new configuration options and errors
+* Update documentation to improve future maintainability
+* Update module structure to move from single-file module to multi-file directory module
+* Fix `RecursionError` when installing locked dependencies that specify recursive dependencies
+* Fix always reinstalling all locked dependencies on every run regardless of update status
+
 
 ## Version 0.4.0
 
@@ -256,19 +93,20 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.4.0),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.4.0/)
 
-- Add `install_dev_deps` configuration option for automatically installing all Poetry
+* Add `install_dev_deps` configuration option for automatically installing all Poetry
   dev-dependencies into a Tox testenv
 
+
 ## Version 0.3.1
 
 View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.3.1),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.3.1/)
 
-- Fix error when installing an environment with no extras specified in the configuration
-- Fix problem where only the dependencies of the sequentially last extra would be
-  installed
-- Fix regression causing no project dependencies to be installed
+* Fix error when installing an environment with no extras specified in the configuration
+* Fix problem where only the dependencies of the sequentially last extra would be installed
+* Fix regression causing no project dependencies to be installed
+
 
 ## Version 0.3.0
 
@@ -276,12 +114,12 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.3.0),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.3.0/)
 
-- Add support for the Tox
-  [`extras`](https://tox.readthedocs.io/en/latest/config.html#conf-extras) configuration
-  parameter
-- Update runtime-skip-conditional checks to improve clarity and ease of future maintenance
-- Update lockfile parsing to avoid parsing it multiple times for a single testenv
-- Fix missing `poetry-core` dependency when using Poetry\<1.1.0
+* Add support for the Tox [`extras`](https://tox.readthedocs.io/en/latest/config.html#conf-extras)
+  configuration parameter
+* Update runtime-skip-conditional checks to improve clarity and ease of future maintenance
+* Update lockfile parsing to avoid parsing it multiple times for a single testenv
+* Fix missing `poetry-core` dependency when using Poetry<1.1.0
+
 
 ## Version 0.2.4
 
@@ -289,9 +127,9 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.2.4),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.2.4/)
 
-- Fix support for Poetry-1.1
-  ([#2](https://github.com/enpaul/tox-poetry-installer/issues/2))
-- Include tests in sdist ([#8](https://github.com/enpaul/tox-poetry-installer/issues/8))
+* Fix support for Poetry-1.1 ([#2](https://github.com/enpaul/tox-poetry-installer/issues/2))
+* Include tests in sdist ([#8](https://github.com/enpaul/tox-poetry-installer/issues/8))
+
 
 ## Version 0.2.3
 
@@ -299,10 +137,9 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.2.3),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.2.3/)
 
-- Fix usage of the plugin in non-Poetry based projects
-  ([#1](https://github.com/enpaul/tox-poetry-installer/issues/1))
-- Fix treating dependency names as case sensitive when they shouldn't be
-  ([#7](https://github.com/enpaul/tox-poetry-installer/issues/7))
+* Fix usage of the plugin in non-Poetry based projects ([#1](https://github.com/enpaul/tox-poetry-installer/issues/1))
+* Fix treating dependency names as case sensitive when they shouldn't be ([#7](https://github.com/enpaul/tox-poetry-installer/issues/7))
+
 
 ## Version 0.2.2
 
@@ -310,9 +147,9 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.2.2),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.2.2/)
 
-- Fix breaking when running Tox in projects that do not use Poetry for their
-  environment/dependency management
-  ([#1](https://github.com/enpaul/tox-poetry-installer/issues/1))
+* Fix breaking when running Tox in projects that do not use Poetry for their environment/dependency
+  management ([#1](https://github.com/enpaul/tox-poetry-installer/issues/1))
+
 
 ## Version 0.2.1
 
@@ -320,9 +157,10 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.2.1),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.2.1/)
 
-- Fix duplicate installation of transient environment dependencies
-- Fix logging error indicating all environments always have zero dependencies
-- Fix installing main dependencies when `skip_install` is false but `skipdist` is true
+* Fix duplicate installation of transient environment dependencies
+* Fix logging error indicating all environments always have zero dependencies
+* Fix installing main dependencies when `skip_install` is false but `skipdist` is true
+
 
 ## Version 0.2.0
 
@@ -330,16 +168,17 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.2.0),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.2.0/)
 
-- Add support for per-environment configuration setting `require_locked_deps`
-- Add support for per-dependency lock requirement setting using `@poetry` suffix
-- Add support for coexisting locked and unlocked dependencies in a single test environment
-- Update documentation to include more usage examples
-- Update documentation to improve clarity around problems and drawbacks
-- Fix logging messages being inconsistently formatted
-- Fix raising the same exception for "locked dependency not found" and "locked dependency
+* Add support for per-environment configuration setting `require_locked_deps`
+* Add support for per-dependency lock requirement setting using `@poetry` suffix
+* Add support for coexisting locked and unlocked dependencies in a single test environment
+* Update documentation to include more usage examples
+* Update documentation to improve clarity around problems and drawbacks
+* Fix logging messages being inconsistently formatted
+* Fix raising the same exception for "locked dependency not found" and "locked dependency
   specifies alternate version" errors
-- Fix plugin errors not reporting to Tox that they happened
-- Fix plugin errors not causing Tox to mark the env as failed
+* Fix plugin errors not reporting to Tox that they happened
+* Fix plugin errors not causing Tox to mark the env as failed
+
 
 ## Version 0.1.3
 
@@ -347,25 +186,25 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.1.3),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.1.3/)
 
-- Fix core functionality of installing dependencies from lockfile for the
-  package-under-development ("dev-package") built by Tox
-- Fix log messages not being displayed with Tox output
-- Add additional logging output for diagnostics
-- Update Poetry requirement to exclude upcoming Poetry-1.1.0 release which will break
-  compatibility
+* Fix core functionality of installing dependencies from lockfile for the package-under-development
+  ("dev-package") built by Tox
+* Fix log messages not being displayed with Tox output
+* Add additional logging output for diagnostics
+* Update Poetry requirement to exclude upcoming Poetry-1.1.0 release which will break compatibility
 
 This is the first release where the core functionality actually works as expected :tada:
 
+
 ## Version 0.1.2
 
 View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.1.2),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.1.2/)
 
-- Test trivial functionality on Python-3.6 and Python-3.7
-- Fix disagreement between `pyproject.toml` and module metadata on what the current
-  version is
-- Fix constant named for PEP-440 that should have been named for PEP-508
+* Test trivial functionality on Python-3.6 and Python-3.7
+* Fix disagreement between `pyproject.toml` and module metadata on what the current version is
+* Fix constant named for PEP-440 that should have been named for PEP-508
+
 
 ## Version 0.1.1
 
@@ -373,17 +212,17 @@ View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.1.1),
 [PyPI](https://pypi.org/project/tox-poetry-installer/0.1.1/)
 
-- Add/update project documentation
-- Add static analysis and formatting enforcement automation to toxfile
-- Add security analysis to toxfile
-- Fix raising `KeyError` for unlocked dependencies
-- Fix mishandling of Poetry's "unsafe dependencies"
-- Lint, blacken, and generally improve code quality
+* Add/update project documentation
+* Add static analysis and formatting enforcement automation to toxfile
+* Add security analysis to toxfile
+* Fix raising `KeyError` for unlocked dependencies
+* Fix mishandling of Poetry's "unsafe dependencies"
+* Lint, blacken, and generally improve code quality
+
 
 ## Version 0.1.0
 
 View this release on:
 [Github](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.1.0),
 
-- Add support for installing Tox environment dependencies using Poetry from the Poetry
-  lockfile
+* Add support for installing Tox environment dependencies using Poetry from the Poetry lockfile

CODE_OF_CONDUCT.md

@@ -1,116 +1,129 @@
+
 # Contributor Covenant Code of Conduct
 
 ## Our Pledge
 
-We as members, contributors, and leaders pledge to make participation in our community a
-harassment-free experience for everyone, regardless of age, body size, visible or
-invisible disability, ethnicity, sex characteristics, gender identity and expression,
-level of experience, education, socio-economic status, nationality, personal appearance,
-race, religion, or sexual identity and orientation.
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, religion, or sexual identity
+and orientation.
 
-We pledge to act and interact in ways that contribute to an open, welcoming, diverse,
-inclusive, and healthy community.
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
 
 ## Our Standards
 
-Examples of behavior that contributes to a positive environment for our community include:
+Examples of behavior that contributes to a positive environment for our
+community include:
 
-- Demonstrating empathy and kindness toward other people
-- Being respectful of differing opinions, viewpoints, and experiences
-- Giving and gracefully accepting constructive feedback
-- Accepting responsibility and apologizing to those affected by our mistakes, and learning
-  from the experience
-- Focusing on what is best not just for us as individuals, but for the overall community
+* Demonstrating empathy and kindness toward other people
+* Being respectful of differing opinions, viewpoints, and experiences
+* Giving and gracefully accepting constructive feedback
+* Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+* Focusing on what is best not just for us as individuals, but for the
+  overall community
 
 Examples of unacceptable behavior include:
 
-- The use of sexualized language or imagery, and sexual attention or advances of any kind
-- Trolling, insulting or derogatory comments, and personal or political attacks
-- Public or private harassment
-- Publishing others' private information, such as a physical or email address, without
-  their explicit permission
-- Other conduct which could reasonably be considered inappropriate in a professional
-  setting
+* The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+* Trolling, insulting or derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
 
 ## Enforcement Responsibilities
 
-Community leaders are responsible for clarifying and enforcing our standards of acceptable
-behavior and will take appropriate and fair corrective action in response to any behavior
-that they deem inappropriate, threatening, offensive, or harmful.
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, offensive,
+or harmful.
 
-Community leaders have the right and responsibility to remove, edit, or reject comments,
-commits, code, wiki edits, issues, and other contributions that are not aligned to this
-Code of Conduct, and will communicate reasons for moderation decisions when appropriate.
+Community leaders have the right and responsibility to remove, edit, or reject
+comments, commits, code, wiki edits, issues, and other contributions that are
+not aligned to this Code of Conduct, and will communicate reasons for moderation
+decisions when appropriate.
 
 ## Scope
 
-This Code of Conduct applies within all community spaces, and also applies when an
-individual is officially representing the community in public spaces. Examples of
-representing our community include using an official e-mail address, posting via an
-official social media account, or acting as an appointed representative at an online or
-offline event.
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+Examples of representing our community include using an official e-mail address,
+posting via an official social media account, or acting as an appointed
+representative at an online or offline event.
 
 ## Enforcement
 
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported to the
-community leaders responsible for enforcement at \[INSERT CONTACT METHOD\]. All complaints
-will be reviewed and investigated promptly and fairly.
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported to the community leaders responsible for enforcement at
+[INSERT CONTACT METHOD].
+All complaints will be reviewed and investigated promptly and fairly.
 
-All community leaders are obligated to respect the privacy and security of the reporter of
-any incident.
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
 
 ## Enforcement Guidelines
 
-Community leaders will follow these Community Impact Guidelines in determining the
-consequences for any action they deem in violation of this Code of Conduct:
+Community leaders will follow these Community Impact Guidelines in determining
+the consequences for any action they deem in violation of this Code of Conduct:
 
 ### 1. Correction
 
 **Community Impact**: Use of inappropriate language or other behavior deemed
 unprofessional or unwelcome in the community.
 
-**Consequence**: A private, written warning from community leaders, providing clarity
-around the nature of the violation and an explanation of why the behavior was
-inappropriate. A public apology may be requested.
+**Consequence**: A private, written warning from community leaders, providing
+clarity around the nature of the violation and an explanation of why the
+behavior was inappropriate. A public apology may be requested.
 
 ### 2. Warning
 
-**Community Impact**: A violation through a single incident or series of actions.
+**Community Impact**: A violation through a single incident or series
+of actions.
 
-**Consequence**: A warning with consequences for continued behavior. No interaction with
-the people involved, including unsolicited interaction with those enforcing the Code of
-Conduct, for a specified period of time. This includes avoiding interactions in community
-spaces as well as external channels like social media. Violating these terms may lead to a
-temporary or permanent ban.
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved, including unsolicited interaction with
+those enforcing the Code of Conduct, for a specified period of time. This
+includes avoiding interactions in community spaces as well as external channels
+like social media. Violating these terms may lead to a temporary or
+permanent ban.
 
 ### 3. Temporary Ban
 
-**Community Impact**: A serious violation of community standards, including sustained
-inappropriate behavior.
+**Community Impact**: A serious violation of community standards, including
+sustained inappropriate behavior.
 
-**Consequence**: A temporary ban from any sort of interaction or public communication with
-the community for a specified period of time. No public or private interaction with the
-people involved, including unsolicited interaction with those enforcing the Code of
-Conduct, is allowed during this period. Violating these terms may lead to a permanent ban.
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time. No public or
+private interaction with the people involved, including unsolicited interaction
+with those enforcing the Code of Conduct, is allowed during this period.
+Violating these terms may lead to a permanent ban.
 
 ### 4. Permanent Ban
 
-**Community Impact**: Demonstrating a pattern of violation of community standards,
-including sustained inappropriate behavior, harassment of an individual, or aggression
-toward or disparagement of classes of individuals.
+**Community Impact**: Demonstrating a pattern of violation of community
+standards, including sustained inappropriate behavior,  harassment of an
+individual, or aggression toward or disparagement of classes of individuals.
 
-**Consequence**: A permanent ban from any sort of public interaction within the community.
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
 
 ## Attribution
 
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 2.0,
-available at https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 2.0, available at
+https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
 
-Community Impact Guidelines were inspired by
-[Mozilla's code of conduct enforcement ladder](https://github.com/mozilla/diversity).
+Community Impact Guidelines were inspired by [Mozilla's code of conduct
+enforcement ladder](https://github.com/mozilla/diversity).
+
+[homepage]: https://www.contributor-covenant.org
 
 For answers to common questions about this code of conduct, see the FAQ at
 https://www.contributor-covenant.org/faq. Translations are available at
 https://www.contributor-covenant.org/translations.
-
-[homepage]: https://www.contributor-covenant.org

LICENSE.md

@@ -1,17 +1,11 @@
-## Copyright 2020, 2022 Ethan Paul
+## Copyright 2020 Ethan Paul
 
-Permission is hereby granted, free of charge, to any person obtaining a copy of this
-software and associated documentation files (the "Software"), to deal in the Software
-without restriction, including without limitation the rights to use, copy, modify, merge,
-publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
-to whom the Software is furnished to do so, subject to the following conditions:
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in all copies or
-substantial portions of the Software.
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of
+the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
-PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
-FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
+**THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.**

Makefile

@@ -30,11 +30,7 @@ source: ## Build Python source distribution package
 	poetry build --format sdist
 
 test: ## Run the project testsuite(s)
-	poetry run tox --recreate --parallel
+	poetry run tox --recreate
 
-dev: ## Create the local dev environment
-	poetry install --extras poetry --sync
-	poetry run pre-commit install
-
-publish: test wheel source ## Build and upload to pypi (requires $PYPI_API_KEY be set)
+publish: wheel source ## Build and upload to pypi (requires $PYPI_API_KEY be set)
 	@poetry publish --username __token__ --password $(PYPI_API_KEY)

README.md

@@ -1,126 +1,128 @@
 # tox-poetry-installer
 
-A plugin for [Tox](https://tox.readthedocs.io/en/latest/) that lets you install test
-environment dependencies from the [Poetry](https://python-poetry.org/) lockfile.
-
-[![CI Status](https://github.com/enpaul/tox-poetry-installer/workflows/CI/badge.svg?event=push)](https://github.com/enpaul/tox-poetry-installer/actions)
-[![PyPI Version](https://img.shields.io/pypi/v/tox-poetry-installer)](https://pypi.org/project/tox-poetry-installer/)
-[![PyPI Downloads](https://img.shields.io/pypi/dm/tox-poetry-installer)](https://libraries.io/pypi/tox-poetry-installer)
-[![License](https://img.shields.io/pypi/l/tox-poetry-installer)](https://opensource.org/licenses/MIT)
-[![Python Supported Versions](https://img.shields.io/pypi/pyversions/tox-poetry-installer)](https://www.python.org)
-[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+A plugin for [Tox](https://tox.readthedocs.io/en/latest/) that allows test environment
+dependencies to be installed using [Poetry](https://python-poetry.org/) from its lockfile.
 
 ⚠️ **This project is beta software and is under active development** ⚠️
 
-## Documentation
+[![ci-status](https://github.com/enpaul/tox-poetry-installer/workflows/CI/badge.svg?event=push)](https://github.com/enpaul/tox-poetry-installer/actions)
+[![pypi-version](https://img.shields.io/pypi/v/tox-poetry-installer)](https://pypi.org/project/tox-poetry-installer/)
+[![pypi-downloads](https://img.shields.io/pypi/dm/tox-poetry-installer)](https://libraries.io/pypi/tox-poetry-installer)
+[![license](https://img.shields.io/pypi/l/tox-poetry-installer)](https://opensource.org/licenses/MIT)
+[![python-versions](https://img.shields.io/pypi/pyversions/tox-poetry-installer)](https://www.python.org)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
-- [Feature Overview](#feature-overview)
-- [Using the Plugin](#user-documentation)
-  - [Installing](#installing)
-  - [Quick Start](#quick-start)
-  - [References](#references)
-    - [Config Options](#configuration-options)
-    - [Runtime Options](#runtime-options)
-    - [Errors](#errors)
-  - [Other Notes](#other-notes)
-    - [Unsupported Tox config options](#unsupported-tox-config-options)
-    - [Updating locked dependencies in a testenv](#updating-locked-dependencies-in-a-testenv)
-    - [Using with an unmanaged Poetry installation](#using-with-an-unmanaged-poetry-installation)
-- [Developing the Plugin](#developer-documentation)
-- [Road Map](#road-map)
+See the [Changelog](https://github.com/enpaul/tox-poetry-installer/blob/devel/CHANGELOG.md) for release history.
 
-See the
-[Changelog](https://github.com/enpaul/tox-poetry-installer/blob/devel/CHANGELOG.md) for
-release history.
+**Documentation**
 
-*See also: [official Tox plugins](https://tox.readthedocs.io/en/latest/plugins.html) and
-[the official Poetry documentation on using Tox](https://python-poetry.org/docs/faq/#is-tox-supported)*
+* [Introduction](#introduction)
+  * [Install](#install)
+  * [Quick Start](#quick-start)
+  * [Why would I use this?](#why-would-i-use-this) (What problems does this solve?)
+* [Reference](#reference)
+  * [Configuration Options](#configuration-options)
+  * [Command-line Arguments](#command-line-arguments)
+  * [Errors](#errors)
+  * [Advanced Usage](#advanced-usage)
+* [Developing](#developing)
+* [Contributing](#contributing)
+* [Roadmap](#roadmap)
+  * [Path to Beta](#path-to-beta)
+  * [Path to Stable](#path-to-stable)
 
-## Feature Overview
+Related resources:
+* [Poetry Python Project Manager](https://python-poetry.org/)
+* [Tox Automation Project](https://tox.readthedocs.io/en/latest/)
+* [Other Tox plugins](https://tox.readthedocs.io/en/latest/plugins.html)
 
-- Manage package versions in exactly one place and with exactly one tool: Poetry.
-- Ensure CI/CD and other automation tools are using the same package versions that you are
-  in your local development environment.
-- Add only the packages or custom groups you need to a Tox test environment, instead of
-  everything in your lockfile.
-- Directly integrate with Poetry, re-using your existing package indexes and credentials,
-  with no additional configuration.
-- Wherever possible, built-in Tox config options are always respected and their behavior
-  kept consistent.
-- Extremely configurable. Every feature can be disabled or enabled for any given Tox test
-  environment.
-- Friendly to other Tox plugins and supports a wide range of environments.
+Similar projects:
+* [Poetry Dev-Dependencies Tox Plugin](https://github.com/sinoroc/tox-poetry-dev-dependencies)
+* [Poetry Tox Plugin](https://github.com/tkukushkin/tox-poetry)
 
-## User Documentation
 
-*This section is for users looking to integrate the plugin with their project or CI
-system. For information on contributing to the plugin please see the
-[Developer Docs](#developer-documentation)*
+## Introduction
 
-### Installing
+This is a plugin to unify two great projects in the Python ecosystem: the
+[Tox](https://tox.readthedocs.io/en/latest/) automation project and the
+[Poetry](https://python-poetry.org) project/dependency manager. Specifically it allows
+the repeatable dependency resolution and installation tools that Poetry uses to benefit
+the isolated environments that Tox uses to run automated tests. The motivation to write
+this plugin came from a need for a single source of truth for the versions of all
+packages that should be installed to an environment.
 
-The recommended way to install the plugin is to add it to a project using Poetry:
+When in use this plugin will allow a Tox environment to install its required
+dependencies using the versions specified in the Poetry lockfile. This eliminates
+needing to specify package versions in multiple places as well as ensures that the Tox
+environment has the exact same versions of a given package as the Poetry environment.
+This reduces (or hopefully eliminates) hard to debug problems caused by subtle
+differences in the dependency graph of the active development environment (the one managed
+by Poetry) and the automated test environment(s) created by Tox.
+
+To learn more about the problems this plugin aims to solve jump ahead to
+[What problems does this solve?](#why-would-i-use-this).
+Otherwise keep reading to get started.
+
+### Install
+
+The recommended way to install the plugin is to add it to a project's `pyproject.toml`
+and lockfile using Poetry:
 
 ```bash
-poetry add -G dev tox-poetry-installer[poetry]
+poetry add tox-poetry-installer[poetry] --dev
 ```
 
-> ℹ️ **Note:** Always install the plugin with the `[poetry]` extra, unless you are
-> [managing the Poetry installation yourself](#externally-managed-poetry-installation).
+**WARNING:** The below installation methods are vulnerable to the
+[transient dependency issues this plugin aims to avoid](#why-would-i-use-this). It is
+always recommended to install dependencies using Poetry whenever possible.
 
-Alternatively, it can be installed directly to a virtual environment using Pip, though
-this is not recommended:
+The plugin can also be installed with pip directly, though it is recommended to always
+install to a virtual environment and pin to a specific version:
 
 ```bash
-source somevenv/bin/activate
-pip install tox-poetry-installer
+source my-venv/bi/activate
+pip install tox-poetry-installer[poetry] == 0.6.0
 ```
 
-Alternatively alternatively, it can be installed using the Tox
-[`requires`](https://tox.readthedocs.io/en/latest/config.html#conf-requires) option by
-adding the below to `tox.ini`, though this is also not recommended:
+The plugin can also be installed using the Tox
+[`requires`]((https://tox.readthedocs.io/en/latest/config.html#conf-requires))
+configuration option. Note however that dependencies installed via the `requires` option
+are not handled by the plugin and will be installed the same way as a `pip install ...`
+above. For this reason it is also recommended to always pin to a specific version when
+using this installation method:
 
 ```ini
-requires =
-    tox-poetry-installer[poetry] == 0.10.2
+# tox.ini
+[tox]
+requires
+    tox-poetry-installer[poetry] == 0.6.0
 ```
 
-After installing, check that Tox recognizes the plugin by running
-`poetry run tox --version`. The command should give output similar to below:
+Check that the plugin is registered by checking the Tox version:
 
 ```
-3.20.0 imported from .venv/lib64/python3.10/site-packages/tox/__init__.py
+~ $: poetry run tox --version
+3.20.0 imported from .venv/lib64/python3.8/site-packages/tox/__init__.py
 registered plugins:
-    tox-poetry-installer-0.10.2 at .venv/lib64/python3.10/site-packages/tox_poetry_installer/__init__.py
+    tox-poetry-installer-0.6.0 at .venv/lib64/python3.8/site-packages/tox_poetry_installer.py
 ```
 
+**NOTE:** Installing the `tox-poetry-installer[poetry]` extra will add the `poetry`
+package as a managed environment dependency which can cause problems when the Poetry
+installation is externally managed (such as in a CI or container environment). See
+[Advanced Usage](#installing-alongside-an-existing-poetry-installation) for more
+information on this use case.
+
 ### Quick Start
 
-Congratulations! 🎉 Just by installing the plugin your Tox config is already using locked
-dependencies: when Tox builds and installs your project package to a test environment,
-your project package's dependencies will be installed from the lockfile.
+Before making any changes to `tox.ini` the project is already benefiting from having
+the plugin installed: all dependencies of the root project package are installed using
+the Poetry backend to all Tox environments that install the root package without any
+configuration changes.
 
-Now lets update an example `tox.ini` to install the other test environment dependencies
-from the lockfile.
-
-A `testenv` from the example `tox.ini` we're starting with is below:
-
-```ini
-[testenv]
-description = Some very cool tests
-deps =
-    black == 20.8b1
-    pylint >=2.4.4,<2.7.0
-    mypy <0.800
-commands = ...
-```
-
-To update the config so that the testenv dependencies are installed from the lockfile, we
-can replace the built-in
-[`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps) option with the
-`locked_deps` option provided by the plugin, and then remove the inline version
-specifiers. With these changes the three testenv dependencies (as well as all of their
-dependencies) will be installed from the lockfile when the test environment is recreated:
+To add dependencies from the lockfile to a Tox environment, add the option
+[`locked_deps`](#locked_deps) to the environment configuration and list names of
+dependencies (with no version specifier) under it:
 
 ```ini
 [testenv]
@@ -132,60 +134,125 @@ locked_deps =
 commands = ...
 ```
 
-We can also add the `require_locked_deps` option to the test environment. This will both
-block any other install tools (another plugin or Tox itself) from installing dependencies
-to the Tox environment and also cause Tox to fail if the test environment also uses the
-built-in [`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps) option:
+The standard [`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps) option
+can be used in parallel with the `locked_deps` option to install unlocked dependencies
+(dependencies not in the lockfile) alongside locked dependencies:
+
+```ini
+[testenv]
+description = Some very cool tests
+locked_deps =
+    black
+    pylint
+    mypy
+deps =
+    pytest == 6.1.1
+    pytest-cov >= 2.10, <2.11
+commands = ...
+```
+
+Alternatively, to quickly install all Poetry dev-dependencies to a Tox environment, add the
+[`install_dev_deps`](#install_dev_deps) option to the environment configuration:
+
+```ini
+[testenv]
+description = Some very cool tests
+install_dev_deps = true
+```
+
+See the [Reference](#reference) section for more details on available
+configuration options and the [Advanced Usage](#advanced-usage) section for some
+unusual use cases.
+
+### Why would I use this?
+
+**The Problem**
+
+By default Tox uses Pip to install the [PEP-508](https://www.python.org/dev/peps/pep-0508/)
+compliant dependencies to a test environment. This plugin extends the default Tox
+dependency installation behavior to support installing dependencies using a Poetry-based
+installation method that makes use of the dependency metadata from Poetry's lockfile.
+
+Environment dependencies for a Tox environment are usually specified in PEP-508 format, like
+the below example:
+
+```ini
+[testenv]
+description = Some very cool tests
+deps =
+    foo == 1.2.3
+    bar >=1.3,<2.0
+    baz
+```
+
+Let's assume these dependencies are also useful during development, so they can be added to the
+Poetry environment using this command:
+
+ ```
+ poetry add --dev \
+    foo==1.2.3 \
+    bar>=1.3,<2.0 \
+    baz
+ ```
+
+ However there is a potential problem that could arise from each of these environment
+ dependencies that would _only_ appear in the Tox environment and not in the Poetry
+ environment in use by a developer:
+
+ * **The `foo` dependency is pinned to a specific version:** let's imagine a security
+   vulnerability is discovered in `foo` and the maintainers release version `1.2.4` to fix
+   it. A developer can run `poetry remove foo` and then `poetry add foo^1.2` to get the new
+   version, but the Tox environment is left unchanged. The development environment, as defined by
+   the lockfile, is now patched against the vulnerability but the Tox environment is not.
+
+* **The `bar` dependency specifies a dynamic range:** a dynamic range allows a range of
+  versions to be installed, but the lockfile will have an exact version specified so that
+  the Poetry environment is reproducible; this allows versions to be updated with
+  `poetry update` rather than with the `remove` and `add` commands used above. If the
+  maintainers of `bar` release version `1.6.0` then the Tox environment will install it
+  because it is valid for the specified version range. Meanwhile the Poetry environment will
+  continue to install the version from the lockfile until `poetry update bar` explicitly
+  updates it. The development environment is now has a different version of `bar` than the Tox
+  environment.
+
+* **The `baz` dependency is unpinned:** unpinned dependencies are
+  [generally a bad idea](https://python-poetry.org/docs/faq/#why-are-unbound-version-constraints-a-bad-idea),
+  but here it can cause real problems. Poetry will interpret an unbound dependency using
+  [the carrot requirement](https://python-poetry.org/docs/dependency-specification/#caret-requirements)
+  but Pip (via Tox) will interpret it as a wildcard. If the latest version of `baz` is `1.0.0`
+  then `poetry add baz` will result in a constraint of `baz>=1.0.0,<2.0.0` while the Tox
+  environment will have a constraint of `baz==*`. The Tox environment can now install an
+  incompatible version of `baz` and any errors that causes cannot be replicated using `poetry update`.
+
+All of these problems can apply not only to the dependencies specified for a Tox environment,
+but also to the dependencies of those dependencies, those dependencies' dependencies, and so on.
+
+**The Solution**
+
+This plugin allows dependencies specified in Tox environment take their version directly from
+the Poetry lockfile without needing an independent version to be specified in the Tox
+environment configuration. The modified version of the example environment given below appears
+less stable than the one presented above because it does not specify any versions for its
+dependencies:
 
 ```ini
 [testenv]
 description = Some very cool tests
 require_locked_deps = true
 locked_deps =
-    black
-    pylint
-    mypy
-commands = ...
+    foo
+    bar
+    baz
 ```
 
-> ℹ️ **Note:** Settings configured on the main `testenv` environment are inherited by
-> child test environments (for example, `testenv:foo`). To override this, specify the
-> setting in the child environment with a different value.
+However with the `tox-poetry-installer` plugin installed Tox will install these
+dependencies from the Poetry lockfile so that the version installed to the Tox
+environment exactly matches the version Poetry is managing. When `poetry update` updates
+the lockfile with new versions of these dependencies, Tox will automatically install
+these new versions without needing any changes to the configuration.
 
-Alternatively, we can skip specifying all of our dependencies for a test environment in
-the Tox config and install Poetry dependency groups directly:
 
-```ini
-[testenv]
-description = Some very cool tests
-require_locked_deps = true
-poetry_dep_groups =
-    dev
-commands = ...
-```
-
-> ℹ️ **Note:** The `install_dev_deps` configuration option is deprecated. See
-> [Configuration Options](#configuration-options) for more information.
-
-Finally, we can also install an unlocked dependency (a dependency which doesn't take its
-version from the Poetry lockfile) into the test environment alongside the locked ones. We
-need to remove the `require_locked_deps = true` option, otherwise the environment will
-error, and then we can add the unlocked dependency using the built-in
-[`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps) option:
-
-```ini
-[testenv]
-description = Some very cool tests
-deps =
-    pytest >= 5.6.0,<6.0.0
-locked_deps =
-    black
-    pylint
-    mypy
-commands = ...
-```
-
-## References
+## Reference
 
 ### Configuration Options
 
@@ -193,112 +260,210 @@ All options listed below are Tox environment options and can be applied to one o
 environment sections of the `tox.ini` file. They cannot be applied to the global Tox
 configuration section.
 
-> ℹ️ **Note:** Settings configured on the main `testenv` environment are inherited by
-> child test environments (for example, `testenv:foo`). To override this, specify the
-> setting in the child environment with a different value.
+**NOTE:** Environment settings applied to the main `testenv` environment will be
+inherited by child environments (i.e. `testenv:foo`) unless they are explicitly
+overridden by the child environment's configuration.
 
-| Option                 |  Type   | Default | Description                                                                                                                                                                                                                                                                                                                                                          |
-| :--------------------- | :-----: | :-----: | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `locked_deps`          |  List   |  `[]`   | Names of packages to install to the test environment from the Poetry lockfile. Transient dependencies (packages required by these dependencies) are automatically included.                                                                                                                                                                                          |
-| `require_locked_deps`  | Boolean |  False  | Whether the plugin should block attempts to install unlocked dependencies to the test environment. If enabled, then the [`tox_testenv_install_deps`](https://tox.readthedocs.io/en/latest/plugins.html#tox.hookspecs.tox_testenv_install_deps) plugin hook will be intercepted and an error will be raised if the test environment has the `deps` option configured. |
-| `install_project_deps` | Boolean |  True   | Whether all of the Poetry primary dependencies for the project package should be installed to the test environment.                                                                                                                                                                                                                                                  |
-| `require_poetry`       | Boolean |  False  | Whether Tox should be forced to fail if the plugin cannot import Poetry locally. If `False` then the plugin will be skipped for the test environment if Poetry cannot be imported. If `True` then the plugin will force the environment to error and the Tox run to fail.                                                                                            |
-| `poetry_dep_groups`    |  List   |  `[]`   | Names of Poetry dependency groups specified in `pyproject.toml` to install to the test environment.                                                                                                                                                                                                                                                                  |
+#### `locked_deps`
 
-### Runtime Options
+* **Type:** multi-line list
+* **Default:** `[]`
+
+Names of packages in the Poetry lockfile to install to the Tox environment. All
+dependencies specified here will be installed to the Tox environment using the details
+given by the Poetry lockfile.
+
+#### `require_locked_deps`
+
+
+* **Type:** boolean
+* **Default:** `false`
+
+Whether the environment should allow unlocked dependencies (dependencies not in the
+Poetry lockfile) to be installed alongside locked dependencies. If `true` then an error
+will be raised if the environment specifies unlocked dependencies to install and the
+plugin will block any other plugins from using the
+[`tox_testenv_install_deps`](https://tox.readthedocs.io/en/latest/plugins.html#tox.hookspecs.tox_testenv_install_deps)
+hook.
+
+#### `install_dev_deps`
+
+* **Type:** boolean
+* **Default:** `false`
+
+Whether all Poetry dev-dependencies should be installed to the environment. If `true`
+then all dependencies specified in the
+[`dev-dependencies`](https://python-poetry.org/docs/pyproject/#dependencies-and-dev-dependencies)
+section of `pyproject.toml` will be installed automatically.
+
+### Command-line Arguments
 
 All arguments listed below can be passed to the `tox` command to modify runtime behavior
 of the plugin.
 
-| Argument                     |  Type   | Default | Description                                                                                                                                                                                                                                                                          |
-| :--------------------------- | :-----: | :-----: | :----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `--parallel-install-threads` | Integer |  `10`   | Number of worker threads to use to install dependencies in parallel. Installing in parallel with more threads can greatly speed up the install process, but can cause race conditions during install. Pass this option with the value `0` to entirely disable parallel installation. |
+#### `--require-poetry`
+
+Indicates that Poetry is expected to be available to Tox and, if it is not, then the Tox
+run should fail. If provided and the `poetry` package is not installed to the same
+environment as the `tox` package then Tox will fail.
+
+**NOTE:** See [Advanced Usage](#installing-alongside-an-existing-poetry-installation)
+for more information.
 
 ### Errors
 
-There are several errors that the plugin can encounter for a test environment when Tox is
-run. If an error is encountered then the status of the test environment that caused the
-error will be set to one of the "Status" values below to indicate what the error was.
+If the plugin encounters an error while processing a Tox environment then it will mark
+the environment as failed and set the environment status to one of the values below:
 
-| Status/Name                     | Cause                                                                                                                                                                                                                           |
-| :------------------------------ | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
-| `ExtraNotFoundError`            | Indicates that the [`extras`](https://tox.readthedocs.io/en/latest/config.html#conf-extras) config option specified an extra that is not configured by Poetry in `pyproject.toml`.                                              |
-| `LockedDepVersionConflictError` | Indicates that an item in the `locked_deps` config option includes a [PEP-508 version specifier](https://www.python.org/dev/peps/pep-0508/#grammar) (ex: `pytest >=6.0, <6.1`).                                                 |
-| `LockedDepNotFoundError`        | Indicates that an item specified in the `locked_deps` config option does not match the name of a package in the Poetry lockfile.                                                                                                |
-| `LockedDepsRequiredError`       | Indicates that a test environment with the `require_locked_deps` config option set to `true` also specified unlocked dependencies using the [`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps) config option. |
-| `PoetryNotInstalledError`       | Indicates that the `poetry` module could not be imported under the current runtime environment, and `require_poetry = true` was specified.                                                                                      |
+**NOTE:** In addition to the reasons noted below, the plugin can encounter errors if the
+Poetry lockfile is not up-to-date with `pyproject.toml`. To resynchronize the
+lockfile with the `pyproject.toml` run one of
+[`poetry update`](https://python-poetry.org/docs/cli/#update) or
+[`poetry lock`](https://python-poetry.org/docs/cli/#lock)
 
-> ℹ️ **Note:** One or more of these errors can be caused by the `pyproject.toml` being out
-> of sync with the Poetry lockfile. If this is the case, than a warning will be logged
-> when Tox is run.
+#### Poetry Not Installed Error
 
-### Other Notes
+* **Status value:** `PoetryNotInstalledError`
+* **Cause:** Indicates that the `poetry` module could not be imported from the same
+  environment as the running `tox` module and the runtime flags specified
+  [`--require-poetry`](#--require-poetry).
+* **Resolution options:**
+  * Install Poetry: ensure that `poetry` is installed to the same environment as `tox`.
+  * Skip running the plugin: remove the `--require-poetry` flag from the runtime options.
 
-#### Unsupported Tox config options
+**NOTE:** See [Advanced Usage](#installing-alongside-an-existing-poetry-installation)
+for more information.
 
-Below are the built-in Tox config options that are not respected by this plugin. All of
-these options are made obsolete by the Poetry lockfile: either they aren't needed or their
-equivalent functionality is instead taken directly from the package details Poetry stores
-in its lockfile.
+#### Locked Dependency Version Conflict Error
 
-> ℹ️ **Note:** The unsupported Tox config options will still apply to unlocked
-> dependencies being installed with the default Tox installation backend.
+* **Status value:** `LockedDepVersionConflictError`
+* **Cause:** Indicates that a dependency specified in the [`locked_deps`](#locked_deps)
+  configuration option in `tox.ini` includes a
+  [PEP-508 version specifier](https://www.python.org/dev/peps/pep-0508/#grammar)
+  (i.e. `pytest >=6.0, <6.1`).
+* **Resolution options:**
+  * Use the dependency version from the lockfile: remove any/all version specifiers
+    from the item in the `locked_deps` list in `tox.ini`.
+  * Do not install the dependency: remove the item from the `locked_deps` list in
+    `tox.ini`.
 
-- [`install_command`](https://tox.readthedocs.io/en/latest/config.html#conf-install_command)
-- [`pip_pre`](https://tox.readthedocs.io/en/latest/config.html#conf-pip_pre)
-- [`download`](https://tox.readthedocs.io/en/latest/config.html#conf-download)
-- [`indexserver`](https://tox.readthedocs.io/en/latest/config.html#conf-indexserver)
-- [`usedevelop`](https://tox.readthedocs.io/en/latest/config.html#conf-indexserver)
+#### Locked Dependency Not Found Error
 
-#### Updating locked dependencies in a testenv
+* **Status value:** `LockedDepNotFoundError`
+* **Cause:** Indicates that a dependency specified in the [`locked_deps`](#locked_deps)
+  configuration option in `tox.ini` could not be found in the Poetry lockfile.
+* **Resolution options:**
+  * Add the dependency to the lockfile: run
+    [`poetry add <dependency>`](https://python-poetry.org/docs/cli/#add).
+  * Do not install the dependency: remove the item from the `locked_deps` list in
+    `tox.ini`.
 
-When Poetry updates the version of a package in the lockfile (using either `poetry lock`
-or `poetry update`) then the plugin will automatically use this new version to install the
-package to a test environment; there is no need to manually update `tox.ini` after
-updating the Poetry lockfile.
+#### Extra Not Found Error
 
-However, the plugin cannot determine when the lockfile is updated. If a Tox test
-environment has already been created then it will need to be recreated (using Tox's
-built-in
-[`--recreate`](https://tox.readthedocs.io/en/latest/example/basic.html#forcing-re-creation-of-virtual-environments)
-option) for the new version to be found and installed.
+* **Status value:** `ExtraNotFoundError`
+* **Cause:** Indicates that the [`extras`](https://tox.readthedocs.io/en/latest/config.html#conf-extras)
+  configuration option specified a setuptools extra that is not configured by Poetry in
+  `pyproject.toml`
+* **Resolution options:**
+  * Configure the extra: add a section for the named extra to the
+    [`extras`](https://python-poetry.org/docs/pyproject/#extras) section of
+    `pyproject.toml` and optionally assign dependencies to the named extra using the
+    [`--optional`](https://python-poetry.org/docs/cli/#options_3) dependency setting.
+  * Remove the extra: remove the item from the `extras` list in `tox.ini`.
 
-> ℹ️ **Note:** To force Tox to always recreate a test environment the
-> [`recreate`](https://tox.readthedocs.io/en/latest/config.html#conf-recreate) config
-> option can be set.
+#### Locked Dependencies Required Error
 
-#### Using with an unmanaged Poetry installation
+* **Status value:** `LockedDepsRequiredError`
+* **Cause:** Indicates that an environment with the [`require_locked_deps`](#require_locked_deps)
+  configuration option also specified unlocked dependencies using
+  [`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps) option in
+  `tox.ini`.
+* **Resolution options:**
+  * Remove all unlocked dependencies: remove the `deps` configuration option in
+    `tox.ini`.
+  * Allow unlocked dependencies: remove the `require_locked_deps` configuration option
+    in `tox.ini` or explicitly set `require_locked_deps = false`.
 
-In CI/CD systems, automation environments, or other Python environments where the loaded
-site packages are not managed by Poetry, it can be useful to manage the local installation
-of Poetry externally. This also helps to avoid problems that can be caused by the
-`--no-root`, `--without dev`, or `--sync` arguments to the `poetry install` command which,
-in some situations, can cause Poetry to uninstall itself if Poetry is specified as a
-dependency of one of the packages it is managing (like this plugin). To support these use
-cases, this plugin specifies the `poetry` package as an optional dependency that can be
-installed using a setuptools extra also named `poetry`.
+### Advanced Usage
 
-> ⚠️ **Warning:** This plugin requires Poetry to function. If the plugin is installed
-> without the `poetry` setuptools extra then Poetry must be installed independently for
-> the plugin to function properly.
+#### Unsupported Tox configuration options
 
-To skip installing the `poetry` package as a dependency of `tox-poetry-installer`, do not
-specify the `poetry` extra when adding the plugin:
+The `tox.ini` configuration options listed below have no effect on the dependencies
+installed by this plugin the Poetry lockfile. Note that these settings will still be
+applied by the default Tox installation backend when installing unlocked dependencies
+using the built-in `deps` option.
+
+  * [`install_command`](https://tox.readthedocs.io/en/latest/config.html#conf-install_command)
+  * [`pip_pre`](https://tox.readthedocs.io/en/latest/config.html#conf-pip_pre)
+  * [`download`](https://tox.readthedocs.io/en/latest/config.html#conf-download)
+  * [`indexserver`](https://tox.readthedocs.io/en/latest/config.html#conf-indexserver)
+  * [`usedevelop`](https://tox.readthedocs.io/en/latest/config.html#conf-indexserver)
+
+All of these options are obsoleted by using the Poetry backend. If a given package
+installs successfully using Poetry (using either `poetry add <package>` or
+`poetry install`) then the required configuration options are already properly set in
+the Poetry configuration and the plugin will automatically use the same settings when
+installing the package.
+
+#### Reinstalling locked dependencies to a Tox environment
+
+Updating the `poetry.lock` file will not automatically cause Tox to install the updated
+lockfile specifications to the Tox environments that specify them.
+
+The Tox environment(s) with updated locked dependencies must be deleted and recreated
+using the [`--recreate`](https://tox.readthedocs.io/en/latest/config.html#cmdoption-tox-r)
+runtime flag. Alternatively Tox can be configured to always recreate an environment by
+setting the [`recreate`](https://tox.readthedocs.io/en/latest/config.html#conf-recreate)
+option in `tox.ini`.
+
+#### Installing Poetry's unsafe dependencies
+
+There are several packages that cannot be installed from the lockfile because they are
+excluded by Poetry itself. As a result these packages cannot be installed by this plugin
+either as environment dependencies (passed directly to [`locked_deps`](#locked_deps)) or
+as transient dependencies (a dependency of a locked dependency).
+
+As of [Poetry-1.1.4](https://github.com/python-poetry/poetry/releases/tag/1.1.4) there
+are four packages classified as "unsafe" by Poetry and excluded from the lockfile:
+
+* `setuptools`
+* `distribute`
+* `pip`
+* `wheel`
+
+When one of these packages is encountered by the plugin a warning will be logged and
+_**the package will not be installed to the environment**_. If the unsafe package
+is required for the environment then it will need to be specified as an unlocked
+dependency using the [`deps`](https://tox.readthedocs.io/en/latest/config.html#conf-deps)
+configuration option in `tox.ini`, ideally with an exact pinned version.
+
+* The set of packages excluded from the Poetry lockfile can be found in
+  [`poetry.puzzle.provider.Provider.UNSAFE_DEPENDENCIES`](https://github.com/python-poetry/poetry/blob/master/poetry/puzzle/provider.py)
+* There is an ongoing discussion of Poetry's handling of these packages at
+  [python-poetry/poetry#1584](https://github.com/python-poetry/poetry/issues/1584)
+
+#### Installing alongside an existing Poetry installation
+
+The plugin specifies the `poetry` package as an optional dependency to support an
+externally managed Poetry installation such as in a container or CI environment. This
+gives greater flexibility when using Poetry arguments like `--no-root`, `--no-dev`, or
+`--remove-untracked` which can cause Poetry to uninstall itself if Poetry is specified
+as a dependency of one of the packages it is managing (like this plugin).
+
+To have the plugin use the externally-managed Poetry package simply do not install the
+`poetry` extra when installing this plugin:
 
 ```bash
-# Adding the package without the "[poetry]" extra specifier so that
-# Poetry is not added as a transient dev-dependency:
-poetry add -G dev tox-poetry-installer
+# Installing Poetry as a dependency with the plugin
+poetry add tox-poetry-installer[poetry]
 
-# Adding the package with the "[poetry]" extra specifier, so the Poetry
-# package will be added to the environment and tracked in the lockfile:
-poetry add -G dev tox-poetry-installer[poetry]
+# Relying on an externally managed Poetry installation
+poetry add tox-poetry-installer
 ```
 
-Once the plugin is installed- either with or without the Poetry extra- you can validate
-that the plugin will run correctly with the following command. This command checks that
-all three required components (Tox, Poetry, and the plugin itself) are available in the
-current Python environment:
+Note that Poetry is an optional dependency to support this use case _only_: Poetry must
+be installed to the same environment as Tox for the plugin to function. To check that
+the local environment has all of the required modules in scope run the below command:
 
 ```bash
 python -c '\
@@ -308,35 +473,16 @@ python -c '\
 '
 ```
 
-> ℹ️ **Note:** To force Tox to fail if Poetry is not installed, add the
-> `require_poetry = true` option to the tox `[testenv]` configuration. See the
-> [Config Options](#configuration-options) for more information.
+**NOTE:** To force Tox to fail if Poetry is not installed, run the `tox` command with
+the [`--require-poetry`](#--require-poetry) option.
 
-## Developer Documentation
 
-All project contributors and participants are expected to adhere to the
-[Contributor Covenant Code of Conduct, v2](CODE_OF_CONDUCT.md)
-([external link](https://www.contributor-covenant.org/version/2/0/code_of_conduct/)).
+## Developing
 
-The `devel` branch has the latest (and potentially unstable) changes. The stable releases
-are tracked on [Github](https://github.com/enpaul/tox-poetry-installer/releases),
-[PyPi](https://pypi.org/project/tox-poetry-installer/#history), and in the
-[Changelog](CHANGELOG.md).
+This project requires Poetry version 1.0+ on the development workstation, see
+the [installation instructions here](https://python-poetry.org/docs/#installation).
 
-- To report a bug, request a feature, or ask for assistance, please
-  [open an issue on the Github repository](https://github.com/enpaul/tox-poetry-installer/issues/new).
-- To report a security concern or code of conduct violation, please contact the project
-  author directly at **‌me \[at‌\] enp dot‎ ‌one**.
-- To submit an update, please
-  [fork the repository](https://docs.github.com/en/enterprise/2.20/user/github/getting-started-with-github/fork-a-repo)
-  and [open a pull request](https://github.com/enpaul/tox-poetry-installer/compare).
-
-Developing this project requires [Python 3.10+](https://www.python.org/downloads/) and
-[Poetry 1.4](https://python-poetry.org/docs/#installation) or later. GNU Make can
-optionally be used to quickly setup a local development environment, but this is not
-required.
-
-To setup a local development environment:
+Local environment setup instructions:
 
 ```bash
 # Clone the repository...
@@ -345,64 +491,80 @@ git clone https://github.com/enpaul/tox-poetry-installer.git
 # ...over SSH
 git clone git@github.com:enpaul/tox-poetry-installer.git
 
-cd tox-poetry-installer/
+# Create a the local project virtual environment and install dependencies
+cd tox-poetry-installer
+poetry install -E poetry
 
-# Create and configure the local development environment
-make dev
+# Install pre-commit hooks
+poetry run pre-commit install
 
-# Run tests and CI locally
-make test
-
-# See additional make targets
-make help
+# Run tests and static analysis
+poetry run tox
 ```
 
-> ℹ️ **Note:** The pre-commit hooks require dependencies in the Poetry environment to run.
-> To make a commit with the pre-commit hooks, you will need to run `poetry run git commit`
-> or, alternatively,
-> [launch an environment shell](https://python-poetry.org/docs/cli/#shell).
+**NOTE:** Because the pre-commit hooks require dependencies in the Poetry environment it
+is recommend to [launch an environment shell](https://python-poetry.org/docs/cli/#shell)
+when developing the project. Alternatively, many `git` commands will need to be run from
+outside of the environment shell by prefacing the command with
+[`poetry run`](https://python-poetry.org/docs/cli/#run).
 
-## Road Map
+
+## Contributing
+
+All project contributors and participants are expected to adhere to the
+[Contributor Covenant Code of Conduct, v2](CODE_OF_CONDUCT.md)
+([external link](https://www.contributor-covenant.org/version/2/0/code_of_conduct/)).
+
+The `devel` branch has the latest (potentially unstable) changes. The
+[tagged versions](https://github.com/enpaul/tox-poetry-installer/releases) correspond to the
+releases on PyPI.
+
+* To report a bug, request a feature, or ask for assistance, please
+  [open an issue on the Github repository](https://github.com/enpaul/tox-poetry-installer/issues/new).
+* To report a security concern or code of conduct violation, please contact the project author
+  directly at **‌me [at‌] enp dot‎ ‌one**.
+* To submit an update, please
+  [fork the repository](https://docs.github.com/en/enterprise/2.20/user/github/getting-started-with-github/fork-a-repo)
+  and
+  [open a pull request](https://github.com/enpaul/tox-poetry-installer/compare).
+
+
+## Roadmap
 
 This project is under active development and is classified as beta software, ready for
 production environments on a provisional basis only.
 
-- Beta classification was assigned with
-  [v0.6.0](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.0)
-- Stable classification will be assigned when the test suite covers an acceptable number
-  of use cases
+* Beta classification was assigned with [v0.6.0](https://github.com/enpaul/tox-poetry-installer/releases/tag/0.6.0)
+* Stable classification will be assigned when the test suite covers an acceptable number of
+  use cases
 
 ### Path to Beta
 
-- [x] Verify that primary package dependencies (from the `.package` env) are installed
+- [X] Verify that primary package dependencies (from the `.package` env) are installed
       correctly using the Poetry backend.
-- [x] Support the [`extras`](https://tox.readthedocs.io/en/latest/config.html#conf-extras)
+- [X] Support the [`extras`](https://tox.readthedocs.io/en/latest/config.html#conf-extras)
       Tox configuration option ([#4](https://github.com/enpaul/tox-poetry-installer/issues/4))
-- [x] Add per-environment Tox configuration option to fall back to default installation
+- [X] Add per-environment Tox configuration option to fall back to default installation
       backend.
-- [ ] ~Add warnings when an unsupported Tox configuration option is detected while using
-  the Poetry backend.~ ([#5](https://github.com/enpaul/tox-poetry-installer/issues/5))
-- [x] Add trivial tests to ensure the project metadata is consistent between the
-  pyproject.toml and the module constants.
-- [x] Update to use [poetry-core](https://github.com/python-poetry/poetry-core) and
-  improve robustness of the Tox and Poetry module imports to avoid potentially breaking
-  API changes in upstream packages.
-  ([#2](https://github.com/enpaul/tox-poetry-installer/issues/2))
-- [ ] ~Find and implement a way to mitigate the
-  [UNSAFE_DEPENDENCIES issue](https://github.com/python-poetry/poetry/issues/1584) in
-  Poetry.~ ([#6](https://github.com/enpaul/tox-poetry-installer/issues/6))
-- [x] Fix logging to make proper use of Tox's logging reporter infrastructure
-  ([#3](https://github.com/enpaul/tox-poetry-installer/issues/3))
-- [x] Add configuration option for installing all dev-dependencies to a testenv
-  ([#14](https://github.com/enpaul/tox-poetry-installer/issues/14))
+- [ ] ~Add warnings when an unsupported Tox configuration option is detected while using the
+      Poetry backend. ([#5](https://github.com/enpaul/tox-poetry-installer/issues/5))~
+- [X] Add trivial tests to ensure the project metadata is consistent between the pyproject.toml
+      and the module constants.
+- [X] Update to use [poetry-core](https://github.com/python-poetry/poetry-core) and
+      improve robustness of the Tox and Poetry module imports
+      to avoid potentially breaking API changes in upstream packages. ([#2](https://github.com/enpaul/tox-poetry-installer/issues/2))
+- [ ] ~Find and implement a way to mitigate the [UNSAFE_DEPENDENCIES issue](https://github.com/python-poetry/poetry/issues/1584) in Poetry.
+      ([#6](https://github.com/enpaul/tox-poetry-installer/issues/6))~
+- [X] Fix logging to make proper use of Tox's logging reporter infrastructure ([#3](https://github.com/enpaul/tox-poetry-installer/issues/3))
+- [X] Add configuration option for installing all dev-dependencies to a testenv ([#14](https://github.com/enpaul/tox-poetry-installer/issues/14))
 
 ### Path to Stable
 
 Everything in Beta plus...
 
-- [ ] Fully replace dependency on `poetry` with dependency on `poetry-core`
-  ([#2](https://github.com/enpaul/tox-poetry-installer/issues/2))
-- [x] Add comprehensive unit tests
-- [ ] ~Add tests for each feature version of Tox between 3.8 and 3.20~
-- [x] Add tests for Python-3.6, 3.7, 3.8, and 3.9
-- [x] Add Github Actions based CI
+- [ ] Add comprehensive unit tests
+- [ ] Add tests for each feature version of Tox between 3.0 and 3.20
+- [ ] Add tests for Python-3.6, 3.7, 3.8, and 3.9
+- [X] Add Github Actions based CI
+- [ ] Add CI for CPython, PyPy, and Conda
+- [ ] Add CI for Linux and Windows

pyproject.toml

@@ -1,9 +1,9 @@
 [tool.poetry]
 name = "tox-poetry-installer"
-version = "1.0.0b1"
+version = "0.6.2"
 license = "MIT"
 authors = ["Ethan Paul <24588726+enpaul@users.noreply.github.com>"]
-description = "A plugin for Tox that lets you install test environment dependencies from the Poetry lockfile"
+description = "Tox plugin to install Tox environment dependencies using the Poetry backend and lockfile"
 repository = "https://github.com/enpaul/tox-poetry-installer/"
 packages = [
   {include = "tox_poetry_installer"},
@@ -22,48 +22,41 @@ classifiers = [
   "License :: OSI Approved :: MIT License",
   "Natural Language :: English",
   "Operating System :: OS Independent",
-  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.6",
+  "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
-  "Programming Language :: Python :: 3.10",
-  "Programming Language :: Python :: 3.11",
-  "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: Implementation :: CPython",
 ]
 
 [tool.poetry.plugins.tox]
 poetry_installer = "tox_poetry_installer"
 
+[tool.poetry.extras]
+poetry = ["poetry"]
+
 [tool.poetry.dependencies]
-python = "^3.8"
-cleo = ">=1.0,<3.0"
-poetry = "^1.5.0"
-poetry-core = "^1.1.0"
-tox = "^4.1"
+python = "^3.6.1"
+poetry = {version = "^1.0.0", optional = true}
+poetry-core = "^1.0.0"
+tox = "^3.0.0"
 
-[tool.poetry.group.dev.dependencies]
-bandit = {version = "^1.7.7", python = "^3.10"}
-black = {version = "^24.3.0", python = "^3.10"}
-blacken-docs = {version = "^1.18.0", python = "^3.10"}
-ipython = {version = "^8.10.1", python = "^3.10"}
-isort = {version = "^5.13.2", python = "^3.10"}
-mdformat = {version = "^0.7", python = "^3.10"}
-mdformat-gfm = {version = "^0.3", python = "^3.10"}
-mypy = {version = "^1.11.1", python = "^3.10"}
-pre-commit = {version = "^3.8.0", python = "^3.10"}
-pre-commit-hooks = {version = "^4.6.0", python = "^3.10"}
-pylint = {version = "^3.2.6", python = "^3.10"}
-pytest = {version = "^8.3.2", python = "^3.10"}
-pytest-cov = {version = "^5.0.0", python = "^3.10"}
-toml = {version = "^0.10.1", python = "^3.10"}
-tox = "^4.1"
-types-toml = {version = "^0.10.1", python = "^3.10"}
-
-[tool.isort]
-profile = "black"
-force_single_line = "true"
-lines_after_imports = 2
+[tool.poetry.dev-dependencies]
+bandit = "^1.6.2"
+black = { version = "^20.8b1", allow-prereleases = true }
+blacken-docs = "^1.8.0"
+ipython = { version = "^7.18.1", python = "^3.7" }
+mypy = "^0.782"
+pre-commit = "^2.7.1"
+pre-commit-hooks = "^3.3.0"
+pylint = "^2.4.4"
+pytest = "^6.0.2"
+pytest-cov = "^2.10.1"
+reorder-python-imports = "^2.3.5"
+safety = "^1.9.0"
+toml = "^0.10.1"
+tox = "^3.20.0"
 
 [build-system]
-requires = ["poetry-core>=1.1.0"]
+requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"

tests/fixtures.py

@@ -1,71 +0,0 @@
-# pylint: disable=missing-module-docstring,missing-function-docstring,unused-argument,too-few-public-methods,protected-access
-import time
-from pathlib import Path
-from typing import List
-
-import poetry.factory
-import poetry.installation.executor
-import poetry.installation.operations.operation
-import poetry.utils.env
-import pytest
-import tox.tox_env.python.virtual_env.runner
-
-import tox_poetry_installer.hooks._tox_on_install_helpers
-
-
-TEST_PROJECT_PATH = Path(__file__).parent.resolve() / "test-project"
-
-FAKE_VENV_PATH = Path("nowhere")
-
-
-class MockVirtualEnv:
-    """Mock class for the :class:`poetry.utils.env.VirtualEnv` and :class:`tox.venv.VirtualEnv`"""
-
-    def __init__(self, *args, **kwargs):
-        self.env_dir = FAKE_VENV_PATH
-        self.installed = []
-
-    @staticmethod
-    def is_valid_for_marker(*args, **kwargs):
-        return True
-
-    @staticmethod
-    def get_version_info():
-        return (1, 2, 3)
-
-
-class MockExecutor:
-    """Mock class for the :class:`poetry.installation.executor.Executor`"""
-
-    def __init__(self, env: MockVirtualEnv, **kwargs):
-        self.env = env
-
-    def execute(
-        self, operations: List[poetry.installation.operations.operation.Operation]
-    ):
-        self.env.installed.extend([operation.package for operation in operations])
-        time.sleep(1)
-
-
-@pytest.fixture
-def mock_venv(monkeypatch):
-    monkeypatch.setattr(
-        tox_poetry_installer.hooks._tox_on_install_helpers,
-        "convert_virtualenv",
-        lambda venv: venv,
-    )
-    monkeypatch.setattr(poetry.installation.executor, "Executor", MockExecutor)
-    monkeypatch.setattr(
-        tox.tox_env.python.virtual_env.runner, "VirtualEnvRunner", MockVirtualEnv
-    )
-    monkeypatch.setattr(poetry.utils.env, "VirtualEnv", MockVirtualEnv)
-
-
-@pytest.fixture(scope="function")
-def mock_poetry_factory(monkeypatch):
-    project = poetry.factory.Factory().create_poetry(cwd=TEST_PROJECT_PATH)
-
-    def mock_factory(*args, **kwargs):
-        return project
-
-    monkeypatch.setattr(poetry.factory.Factory, "create_poetry", mock_factory)

tests/test-project/poetry.lock

@@ -1,505 +0,0 @@
-[[package]]
-name = "appdirs"
-version = "1.4.4"
-description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
-category = "main"
-optional = false
-python-versions = "*"
-
-[[package]]
-name = "attrs"
-version = "20.3.0"
-description = "Classes Without Boilerplate"
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
-[package.extras]
-dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
-docs = ["furo", "sphinx", "zope.interface"]
-tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
-
-[[package]]
-name = "certifi"
-version = "2020.12.5"
-description = "Python package for providing Mozilla's CA Bundle."
-category = "main"
-optional = false
-python-versions = "*"
-
-[[package]]
-name = "chardet"
-version = "4.0.0"
-description = "Universal encoding detector for Python 2 and 3"
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-
-[[package]]
-name = "click"
-version = "7.1.2"
-description = "Composable command line interface toolkit"
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-
-[[package]]
-name = "colorama"
-version = "0.4.4"
-description = "Cross-platform colored terminal text."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-
-[[package]]
-name = "distlib"
-version = "0.3.1"
-description = "Distribution utilities"
-category = "main"
-optional = false
-python-versions = "*"
-
-[[package]]
-name = "filelock"
-version = "3.0.12"
-description = "A platform independent file lock."
-category = "main"
-optional = false
-python-versions = "*"
-
-[[package]]
-name = "flask"
-version = "1.1.2"
-description = "A simple framework for building complex web applications."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-
-[package.dependencies]
-click = ">=5.1"
-itsdangerous = ">=0.24"
-Jinja2 = ">=2.10.1"
-Werkzeug = ">=0.15"
-
-[package.extras]
-dev = ["pytest", "coverage", "tox", "sphinx", "pallets-sphinx-themes", "sphinxcontrib-log-cabinet", "sphinx-issues"]
-docs = ["sphinx", "pallets-sphinx-themes", "sphinxcontrib-log-cabinet", "sphinx-issues"]
-dotenv = ["python-dotenv"]
-
-[[package]]
-name = "idna"
-version = "2.10"
-description = "Internationalized Domain Names in Applications (IDNA)"
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
-[[package]]
-name = "importlib-metadata"
-version = "3.10.1"
-description = "Read metadata from Python packages"
-category = "main"
-optional = false
-python-versions = ">=3.6"
-
-[package.dependencies]
-typing-extensions = {version = ">=3.6.4", markers = "python_version < \"3.8\""}
-zipp = ">=0.5"
-
-[package.extras]
-docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
-
-[[package]]
-name = "importlib-resources"
-version = "5.1.2"
-description = "Read resources from Python packages"
-category = "main"
-optional = false
-python-versions = ">=3.6"
-
-[package.dependencies]
-zipp = {version = ">=0.4", markers = "python_version < \"3.8\""}
-
-[package.extras]
-docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
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-
-[[package]]
-name = "itsdangerous"
-version = "1.1.0"
-description = "Various helpers to pass data to untrusted environments and back."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
-[[package]]
-name = "jinja2"
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-description = "A very fast and expressive template engine."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-
-[package.dependencies]
-MarkupSafe = ">=0.23"
-
-[package.extras]
-i18n = ["Babel (>=0.8)"]
-
-[[package]]
-name = "markupsafe"
-version = "1.1.1"
-description = "Safely add untrusted strings to HTML/XML markup."
-category = "main"
-optional = false
-python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
-
-[[package]]
-name = "packaging"
-version = "20.9"
-description = "Core utilities for Python packages"
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
-[package.dependencies]
-pyparsing = ">=2.0.2"
-
-[[package]]
-name = "pluggy"
-version = "0.13.1"
-description = "plugin and hook calling mechanisms for python"
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
-[package.dependencies]
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
-
-[package.extras]
-dev = ["pre-commit", "tox"]
-
-[[package]]
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-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
-[[package]]
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-description = "Python parsing module"
-category = "main"
-optional = false
-python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-
-[[package]]
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-description = "Extensions to the standard Python datetime module"
-category = "main"
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-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
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-[package.dependencies]
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-
-[[package]]
-name = "requests"
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-description = "Python HTTP for Humans."
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-[package.dependencies]
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-
-[package.extras]
-security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
-socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
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-[[package]]
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-[[package]]
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-[package.dependencies]
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-[package.extras]
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-[package.extras]
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-[package.dependencies]
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-[package.extras]
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-[package.extras]
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-werkzeug = [
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-    {file = "Werkzeug-1.0.1.tar.gz", hash = "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"},
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-zipp = [
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-    {file = "zipp-3.4.1.tar.gz", hash = "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76"},
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tests/test-project/pyproject.toml

@@ -1,19 +0,0 @@
-[tool.poetry]
-name = "test-project"
-version = "0.0.0"
-license = "MIT"
-authors = ["Ethan Paul <24588726+enpaul@users.noreply.github.com>"]
-description = "A fake project for testing"
-
-[tool.poetry.dependencies]
-python = "^3.6.1"
-requests = "^2.25.1"
-tox = "^3.23.0"
-python-dateutil = "^2.8.1"
-Flask = "^1.1.2"
-toml = "^0.10.2"
-attrs = "^20.3.0"
-
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"

tests/test_installer.py

@@ -1,97 +0,0 @@
-# pylint: disable=missing-module-docstring,redefined-outer-name,unused-argument,unused-import,protected-access
-import time
-from unittest import mock
-
-import poetry.factory
-import poetry.installation.executor
-import pytest
-import tox.tox_env.python.virtual_env.runner
-
-import tox_poetry_installer.hooks._tox_on_install_helpers
-
-from .fixtures import mock_poetry_factory
-from .fixtures import mock_venv
-
-
-def test_deduplication(mock_venv, mock_poetry_factory):
-    """Test that the installer does not install duplicate dependencies"""
-    project = poetry.factory.Factory().create_poetry(None)
-    packages: tox_poetry_installer.hooks._tox_on_install_helpers.PackageMap = {
-        item.name: item for item in project.locker.locked_repository().packages
-    }
-
-    venv = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
-    to_install = [packages["toml"], packages["toml"]]
-
-    tox_poetry_installer.hooks._tox_on_install_helpers.install_package(
-        project, venv, to_install
-    )
-
-    assert len(set(to_install)) == len(venv.installed)  # pylint: disable=no-member
-
-
-def test_parallelization(mock_venv, mock_poetry_factory):
-    """Test that behavior is consistent between parallel and non-parallel usage"""
-    project = poetry.factory.Factory().create_poetry(None)
-    packages: tox_poetry_installer.hooks._tox_on_install_helpers.PackageMap = {
-        item.name: item for item in project.locker.locked_repository().packages
-    }
-
-    to_install = [
-        packages["toml"],
-        packages["toml"],
-        packages["tox"],
-        packages["requests"],
-        packages["python-dateutil"],
-        packages["attrs"],
-    ]
-
-    venv_sequential = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
-    start_sequential = time.time()
-    tox_poetry_installer.hooks._tox_on_install_helpers.install_package(
-        project, venv_sequential, to_install, 0
-    )
-    sequential = time.time() - start_sequential
-
-    venv_parallel = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
-    start_parallel = time.time()
-    tox_poetry_installer.hooks._tox_on_install_helpers.install_package(
-        project, venv_parallel, to_install, 5
-    )
-    parallel = time.time() - start_parallel
-
-    # The mock delay during package install is static (one second) so these values should all
-    # be within microseconds of each other
-    assert parallel < sequential
-    assert round(parallel * 5) == round(sequential)
-    assert round(sequential) == len(set(to_install))
-    assert round(parallel * 5) == len(set(to_install))
-
-
-@pytest.mark.parametrize("num_threads", (0, 8))
-def test_propagates_exceptions_during_installation(
-    mock_venv, mock_poetry_factory, num_threads
-):
-    """Assert that an exception which occurs during installation is properly raised.
-
-    Regression test for https://github.com/enpaul/tox-poetry-installer/issues/86
-    """
-    project = poetry.factory.Factory().create_poetry(None)
-    packages: tox_poetry_installer.hooks._tox_on_install_helpers.PackageMap = {
-        item.name: item for item in project.locker.locked_repository().packages
-    }
-    to_install = [packages["toml"]]
-    venv = tox.tox_env.python.virtual_env.runner.VirtualEnvRunner()
-    fake_exception = ValueError("my testing exception")
-
-    with mock.patch.object(
-        poetry.installation.executor,
-        "Executor",
-        **{"return_value.execute.side_effect": fake_exception},
-    ):
-        with pytest.raises(ValueError) as exc_info:
-            tox_poetry_installer.hooks._tox_on_install_helpers.install_package(
-                project, venv, to_install, num_threads
-            )
-
-    assert exc_info.value is fake_exception

tests/test_metadata.py

@@ -3,7 +3,6 @@
 The next best thing to having one source of truth is having a way to ensure all of your
 sources of truth agree with each other.
 """
-
 from pathlib import Path
 
 import toml

tests/test_transients.py

@@ -1,79 +0,0 @@
-# pylint: disable=missing-module-docstring,redefined-outer-name,unused-argument,unused-import,protected-access
-import poetry.factory
-import poetry.utils.env
-import pytest
-
-import tox_poetry_installer.hooks._tox_on_install_helpers
-from tox_poetry_installer import exceptions
-
-from .fixtures import mock_poetry_factory
-from .fixtures import mock_venv
-
-
-def test_allow_missing():
-    """Test that the ``allow_missing`` parameter works as expected"""
-    with pytest.raises(exceptions.LockedDepNotFoundError):
-        tox_poetry_installer.hooks._tox_on_install_helpers.identify_transients(
-            "luke-skywalker", {}, None
-        )
-
-    assert not tox_poetry_installer.hooks._tox_on_install_helpers.identify_transients(
-        "darth-vader", {}, None, allow_missing=["darth-vader"]
-    )
-
-
-def test_exclude_pep508():
-    """Test that dependencies specified in PEP508 format are properly excluded"""
-    for version in [
-        "foo==1.0",
-        "foo==1",
-        "foo>2.0.0",
-        "foo<=9.3.4.7.8",
-        "foo>999,<=4.6",
-        "foo>1234 || foo<2021.01.01",
-        "foo!=7",
-        "foo~=0.8",
-        "foo!=9,==7",
-        "=>foo",
-    ]:
-        with pytest.raises(exceptions.LockedDepVersionConflictError):
-            tox_poetry_installer.hooks._tox_on_install_helpers.identify_transients(
-                version, {}, None
-            )
-
-
-def test_functional(mock_poetry_factory, mock_venv):
-    """Integration tests for the :func:`identify_transients` function
-
-    Trivially test that it resolves dependencies properly and that the parent package
-    is always the last in the returned list.
-    """
-    project = poetry.factory.Factory().create_poetry(None)
-    packages = tox_poetry_installer.hooks._tox_on_install_helpers.build_package_map(
-        project
-    )
-    venv = poetry.utils.env.VirtualEnv()  # pylint: disable=no-value-for-parameter
-
-    requests_requires = [
-        packages["certifi"][0],
-        packages["chardet"][0],
-        packages["idna"][0],
-        packages["urllib3"][0],
-        packages["requests"][0],
-    ]
-
-    transients = tox_poetry_installer.hooks._tox_on_install_helpers.identify_transients(
-        "requests", packages, venv
-    )
-
-    assert all((item in requests_requires) for item in transients)
-    assert all((item in transients) for item in requests_requires)
-
-    for package in [packages["requests"][0], packages["tox"][0], packages["flask"][0]]:
-        transients = (
-            tox_poetry_installer.hooks._tox_on_install_helpers.identify_transients(
-                package.name, packages, venv
-            )
-        )
-        assert transients[-1] == package
-        assert len(transients) == len(set(transients))

tox.ini

@@ -1,79 +1,64 @@
 [tox]
-envlist = py3{8,9,10,11,12} static, static-tests, security
+envlist = py36, py37, py38, py39, static, static-tests, security
+isolated_build = true
 skip_missing_interpreters = true
 
 [testenv]
 description = Run the tests
 require_locked_deps = true
-require_poetry = true
+extras =
+    poetry
 locked_deps =
     pytest
     pytest-cov
     toml
 commands =
-    pytest {toxinidir}/tests/ \
-      --cov {toxinidir}/tox_poetry_installer \
-      --cov-config {toxinidir}/.coveragerc \
-      --cov-report term-missing
+    pytest --cov {envsitepackagesdir}/tox_poetry_installer --cov-config {toxinidir}/.coveragerc --cov-report term-missing tests/
 
 [testenv:static]
 description = Static formatting and quality enforcement
-basepython = py310
+basepython = python3.8
 platform = linux
 ignore_errors = true
+require_locked_deps = true
 locked_deps =
-    black
-    blacken-docs
-    isort
-    mdformat
-    mdformat-gfm
-    mypy
     pre-commit
     pre-commit-hooks
+    black
+    blacken-docs
+    reorder-python-imports
     pylint
-    types-toml
+    mypy
 commands =
-    pre-commit run \
-      --all-files
-    pylint {toxinidir}/tox_poetry_installer/ \
-      --rcfile {toxinidir}/.pylintrc
-    mypy {toxinidir}/tox_poetry_installer/ \
-      --ignore-missing-imports \
-      --no-strict-optional
+    pre-commit run --all-files
+    pylint --rcfile {toxinidir}/.pylintrc {toxinidir}/tox_poetry_installer/
+    mypy --ignore-missing-imports --no-strict-optional {toxinidir}/tox_poetry_installer/
 
 [testenv:static-tests]
 description = Static formatting and quality enforcement for the tests
-basepython = py310
+basepython = python3.8
 platform = linux
-ignore_errors = true
+ingore_errors = true
+require_locked_deps = true
 locked_deps =
     pylint
-    pytest
     mypy
-    toml
-    types-toml
 commands =
-    pylint {toxinidir}/tests/ \
-      --rcfile {toxinidir}/.pylintrc
-    mypy {toxinidir}/tests/ \
-      --ignore-missing-imports \
-      --no-strict-optional
+    pylint --rcfile {toxinidir}/.pylintrc {toxinidir}/tests/
+    mypy --ignore-missing-imports --no-strict-optional {toxinidir}/tests/
 
 [testenv:security]
 description = Security checks
-basepython = py310
+basepython = python3.8
 platform = linux
-ignore_errors = true
-skip_install = true
+ingore_errors = true
+require_locked_deps = true
 locked_deps =
     bandit
     safety
     poetry
 commands =
-    bandit {toxinidir}/tox_poetry_installer/ \
-      --recursive \
-      --quiet
-    bandit {toxinidir}/tests/ \
-      --recursive \
-      --quiet \
-      --skip B101
+    bandit --recursive --quiet {toxinidir}/tox_poetry_installer/
+    bandit --recursive --quiet --skip B101 {toxinidir}/tests/
+    poetry export --format requirements.txt --output {envtmpdir}/requirements.txt --without-hashes --dev
+    safety check --bare --file {envtmpdir}/requirements.txt

tox_poetry_installer/__about__.py

@@ -1,7 +1,7 @@
 # pylint: disable=missing-docstring
 __title__ = "tox-poetry-installer"
-__summary__ = "A plugin for Tox that lets you install test environment dependencies from the Poetry lockfile"
-__version__ = "1.0.0b1"
+__summary__ = "Tox plugin to install Tox environment dependencies using the Poetry backend and lockfile"
+__version__ = "0.6.2"
 __url__ = "https://github.com/enpaul/tox-poetry-installer/"
 __license__ = "MIT"
 __authors__ = ["Ethan Paul <24588726+enpaul@users.noreply.github.com>"]

tox_poetry_installer/__init__.py

@@ -1,4 +1,3 @@
 # pylint: disable=missing-docstring
-from tox_poetry_installer.hooks import tox_add_env_config
-from tox_poetry_installer.hooks import tox_add_option
-from tox_poetry_installer.hooks import tox_on_install
+from tox_poetry_installer.hooks import tox_addoption
+from tox_poetry_installer.hooks import tox_testenv_install_deps

tox_poetry_installer/_poetry.py

@@ -0,0 +1,40 @@
+"""You've heard of vendoirization, now get ready for internal namespace shadowing
+
+Poetry is an optional dependency of this package explicitly to support the use case of having the
+plugin and the `poetry` package installed to the same python environment; this is most common in
+containers and/or CI. In this case there are two potential problems that can arise in this case:
+
+* The installation of the plugin overwrites the installed version of Poetry resulting in
+  compatibility issues.
+* Running `poetry install --no-dev`, when this plugin is in the dev-deps, results in poetry being
+  uninstalled from the environment.
+
+To support these edge cases, and more broadly to support not messing with a system package manager,
+the `poetry` package dependency is listed as optional dependency. This allows the plugin to be
+installed to the same environment as Poetry and import that same Poetry installation here.
+
+However, simply importing Poetry on the assumption that it is installed breaks another valid use
+case: having this plugin installed alongside Tox when not using a Poetry-based project. To account
+for this the imports in this module are isolated and the resultant import error that would result
+is converted to an internal error that can be caught by callers. Rather than importing this module
+at the module scope it is imported into function scope wherever Poetry components are needed. This
+moves import errors from load time to runtime which allows the plugin to be skipped if Poetry isn't
+installed and/or a more helpful error be raised within the Tox framework.
+"""
+# pylint: disable=unused-import
+import sys
+
+from tox_poetry_installer import exceptions
+
+
+try:
+    from poetry.factory import Factory
+    from poetry.installation.pip_installer import PipInstaller
+    from poetry.io.null_io import NullIO
+    from poetry.poetry import Poetry
+    from poetry.puzzle.provider import Provider
+    from poetry.utils.env import VirtualEnv
+except ImportError:
+    raise exceptions.PoetryNotInstalledError(
+        f"No version of Poetry could be imported under the current environment for '{sys.executable}'"
+    ) from None

tox_poetry_installer/constants.py

@@ -5,9 +5,11 @@ in this module.
 
 All constants should be type hinted.
 """
-
+import sys
 from typing import Tuple
 
+from poetry.core.semver.version import Version
+
 from tox_poetry_installer import __about__
 
 
@@ -17,7 +19,13 @@ PEP508_VERSION_DELIMITERS: Tuple[str, ...] = ("~=", "==", "!=", ">", "<")
 
 # Prefix all reporter messages should include to indicate that they came from this module in the
 # console output.
-REPORTER_PREFIX: str = f"{__about__.__title__}:"
+REPORTER_PREFIX: str = f"[{__about__.__title__}]:"
 
-# Number of threads to use for installing dependencies by default
-DEFAULT_INSTALL_THREADS: int = 10
+
+# Semver compatible version of the current python platform version. Used for checking
+# whether a package is compatible with the current python system version
+PLATFORM_VERSION: Version = Version(
+    major=sys.version_info.major,
+    minor=sys.version_info.minor,
+    patch=sys.version_info.micro,
+)

tox_poetry_installer/datatypes.py

@@ -0,0 +1,8 @@
+"""Definitions for typehints/containers used by the plugin"""
+from typing import Dict
+
+from poetry.core.packages import Package as PoetryPackage
+
+
+# Map of package names to the package object
+PackageMap = Dict[str, PoetryPackage]

tox_poetry_installer/exceptions.py

@@ -11,7 +11,6 @@ All exceptions should inherit from the common base exception :exc:`ToxPoetryInst
    +-- LockedDepNotFoundError
    +-- ExtraNotFoundError
    +-- LockedDepsRequiredError
-   +-- LockfileParsingError
 
 """
 
@@ -42,7 +41,3 @@ class ExtraNotFoundError(ToxPoetryInstallerException):
 
 class LockedDepsRequiredError(ToxPoetryInstallerException):
     """Environment cannot specify unlocked dependencies when locked dependencies are required"""
-
-
-class LockfileParsingError(ToxPoetryInstallerException):
-    """Failed to load or parse the Poetry lockfile"""

tox_poetry_installer/hooks.py

@@ -0,0 +1,150 @@
+"""Main hook definition module
+
+All implementations of tox hooks are defined here, as well as any single-use helper functions
+specifically related to implementing the hooks (to keep the size/readability of the hook functions
+themselves manageable).
+"""
+from typing import List
+from typing import Optional
+
+from poetry.core.packages import Package as PoetryPackage
+from tox import hookimpl
+from tox import reporter
+from tox.action import Action as ToxAction
+from tox.config import Parser as ToxParser
+from tox.venv import VirtualEnv as ToxVirtualEnv
+
+from tox_poetry_installer import __about__
+from tox_poetry_installer import constants
+from tox_poetry_installer import exceptions
+from tox_poetry_installer import utilities
+from tox_poetry_installer.datatypes import PackageMap
+
+
+@hookimpl
+def tox_addoption(parser: ToxParser):
+    """Add required configuration options to the tox INI file
+
+    Adds the ``require_locked_deps`` configuration option to the venv to check whether all
+    dependencies should be treated as locked or not.
+    """
+
+    parser.add_argument(
+        "--require-poetry",
+        action="store_true",
+        dest="require_poetry",
+        help="Trigger a failure if Poetry is not available to Tox",
+    )
+
+    parser.add_testenv_attribute(
+        name="install_dev_deps",
+        type="bool",
+        default=False,
+        help="Automatically install all Poetry development dependencies to the environment",
+    )
+
+    parser.add_testenv_attribute(
+        name="require_locked_deps",
+        type="bool",
+        default=False,
+        help="Require all dependencies in the environment be installed using the Poetry lockfile",
+    )
+
+    parser.add_testenv_attribute(
+        name="locked_deps",
+        type="line-list",
+        help="List of locked dependencies to install to the environment using the Poetry lockfile",
+    )
+
+
+@hookimpl
+def tox_testenv_install_deps(venv: ToxVirtualEnv, action: ToxAction) -> Optional[bool]:
+    """Install the dependencies for the current environment
+
+    Loads the local Poetry environment and the corresponding lockfile then pulls the dependencies
+    specified by the Tox environment. Finally these dependencies are installed into the Tox
+    environment using the Poetry ``PipInstaller`` backend.
+
+    :param venv: Tox virtual environment object with configuration for the local Tox environment.
+    :param action: Tox action object
+    """
+
+    try:
+        poetry = utilities.check_preconditions(venv, action)
+    except exceptions.SkipEnvironment as err:
+        if (
+            isinstance(err, exceptions.PoetryNotInstalledError)
+            and venv.envconfig.config.option.require_poetry
+        ):
+            venv.status = err.__class__.__name__
+            reporter.error(str(err))
+            return False
+        reporter.verbosity1(str(err))
+        return None
+
+    reporter.verbosity1(
+        f"{constants.REPORTER_PREFIX} Loaded project pyproject.toml from {poetry.file}"
+    )
+
+    try:
+        if venv.envconfig.require_locked_deps and venv.envconfig.deps:
+            raise exceptions.LockedDepsRequiredError(
+                f"Unlocked dependencies '{venv.envconfig.deps}' specified for environment '{venv.name}' which requires locked dependencies"
+            )
+
+        package_map: PackageMap = {
+            package.name: package
+            for package in poetry.locker.locked_repository(True).packages
+        }
+
+        if venv.envconfig.install_dev_deps:
+            dev_deps: List[PoetryPackage] = [
+                dep
+                for dep in package_map.values()
+                if dep not in poetry.locker.locked_repository(False).packages
+            ]
+        else:
+            dev_deps = []
+
+        reporter.verbosity1(
+            f"{constants.REPORTER_PREFIX} Identified {len(dev_deps)} development dependencies to install to env"
+        )
+
+        env_deps: List[PoetryPackage] = []
+        for dep in venv.envconfig.locked_deps:
+            env_deps += utilities.find_transients(
+                package_map, dep.lower(), allow_missing=[poetry.package.name]
+            )
+        reporter.verbosity1(
+            f"{constants.REPORTER_PREFIX} Identified {len(env_deps)} environment dependencies to install to env"
+        )
+
+        if not venv.envconfig.skip_install and not venv.envconfig.config.skipsdist:
+            project_deps: List[PoetryPackage] = utilities.find_project_dependencies(
+                venv, poetry, package_map
+            )
+        else:
+            project_deps = []
+            reporter.verbosity1(
+                f"{constants.REPORTER_PREFIX} Skipping installation of project dependencies, env does not install project package"
+            )
+        reporter.verbosity1(
+            f"{constants.REPORTER_PREFIX} Identified {len(project_deps)} project dependencies to install to env"
+        )
+    except exceptions.ToxPoetryInstallerException as err:
+        venv.status = err.__class__.__name__
+        reporter.error(f"{constants.REPORTER_PREFIX} {err}")
+        return False
+    except Exception as err:
+        venv.status = "InternalError"
+        reporter.error(f"{constants.REPORTER_PREFIX} Internal plugin error: {err}")
+        raise err
+
+    dependencies = list(set(dev_deps + env_deps + project_deps))
+    action.setactivity(
+        __about__.__title__,
+        f"Installing {len(dependencies)} dependencies from Poetry lock file",
+    )
+    utilities.install_to_venv(poetry, venv, dependencies)
+
+    return venv.envconfig.require_locked_deps or None

tox_poetry_installer/hooks/__init__.py

@@ -1,4 +0,0 @@
-# pylint: disable=missing-module-docstring
-from tox_poetry_installer.hooks.tox_add_env_config import tox_add_env_config
-from tox_poetry_installer.hooks.tox_add_option import tox_add_option
-from tox_poetry_installer.hooks.tox_on_install import tox_on_install

tox_poetry_installer/hooks/_tox_on_install_helpers.py

@@ -1,366 +0,0 @@
-"""Helper functions for the :func:`tox_on_install` hook"""
-
-import collections
-import concurrent.futures
-import contextlib
-import datetime
-import pathlib
-from typing import Collection
-from typing import Dict
-from typing import List
-from typing import Sequence
-from typing import Set
-
-import cleo.io.null_io
-import packaging.utils
-import poetry.config.config
-import poetry.core.packages.dependency
-import poetry.core.packages.package
-import poetry.factory
-import poetry.installation.executor
-import poetry.installation.operations.install
-import poetry.poetry
-import poetry.utils.env
-import tox.tox_env.api
-import tox.tox_env.package
-
-from tox_poetry_installer import constants
-from tox_poetry_installer import exceptions
-from tox_poetry_installer import logger
-
-
-PackageMap = Dict[str, List[poetry.core.packages.package.Package]]
-
-
-def check_preconditions(venv: tox.tox_env.api.ToxEnv) -> poetry.poetry.Poetry:
-    """Check that the local project environment meets expectations"""
-
-    # Skip running the plugin for the provisioning environment. The provisioned environment,
-    # for alternative Tox versions and/or the ``requires`` meta dependencies is specially
-    # handled by Tox and is out of scope for this plugin. Since one of the ways to install this
-    # plugin in the first place is via the Tox provisioning environment, it quickly becomes a
-    # chicken-and-egg problem.
-    if isinstance(venv, tox.tox_env.package.PackageToxEnv):
-        raise exceptions.SkipEnvironment(f"Skipping Tox provisioning env '{venv.name}'")
-
-    try:
-        return poetry.factory.Factory().create_poetry(venv.core["tox_root"])
-    # Support running the plugin when the current tox project does not use Poetry for its
-    # environment/dependency management.
-    #
-    # ``RuntimeError`` is dangerous to blindly catch because it can be (and in Poetry's case,
-    # is) raised in many different places for different purposes.
-    except RuntimeError as err:
-        raise exceptions.SkipEnvironment(
-            f"Skipping installation of locked dependencies due to a Poetry error: {err}"
-        ) from None
-
-
-def identify_transients(
-    dep_name: str,
-    packages: PackageMap,
-    venv: poetry.utils.env.VirtualEnv,
-    allow_missing: Sequence[str] = (),
-) -> List[poetry.core.packages.package.Package]:
-    """Using a pool of packages, identify all transient dependencies of a given package name
-
-    :param dep_name: Either the Poetry dependency or the dependency's bare package name to recursively
-                     identify the transient dependencies of
-    :param packages: All packages from the lockfile to use for identifying dependency relationships.
-    :param venv: Poetry virtual environment to use for package compatibility checks
-    :param allow_missing: Sequence of package names to allow to be missing from the lockfile. Any
-                          packages that are not found in the lockfile but their name appears in this
-                          list will be silently skipped from installation.
-    :returns: List of packages that need to be installed for the requested dependency.
-
-    .. note:: The package corresponding to the dependency specified by the ``dep`` parameter will
-              be included in the returned list of packages.
-    """
-    searched: Set[str] = set()
-
-    def _transients(
-        transient: poetry.core.packages.dependency.Dependency,
-    ) -> List[poetry.core.packages.package.Package]:
-        searched.add(transient.name)
-
-        results: List[poetry.core.packages.package.Package] = []
-        for option in packages[transient.name]:
-            if venv.is_valid_for_marker(option.to_dependency().marker):
-                for requirement in option.requires:
-                    if requirement.name not in searched:
-                        results += _transients(requirement)
-                logger.debug(f"Including {option} for installation")
-                results.append(option)
-                break
-        else:
-            logger.debug(
-                f"Skipping {transient.name}: target python version is {'.'.join([str(item) for item in venv.get_version_info()])} but package requires {transient.marker}"
-            )
-
-        return results
-
-    try:
-        for option in packages[dep_name]:
-            if venv.is_valid_for_marker(option.to_dependency().marker):
-                dep = option.to_dependency()
-                break
-        else:
-            logger.warning(
-                f"Skipping {dep_name}: no locked version found compatible with target python version {'.'.join([str(item) for item in venv.get_version_info()])}"
-            )
-            return []
-
-        return _transients(dep)
-    except KeyError as err:
-        missing = err.args[0]
-
-        if missing in allow_missing:
-            logger.debug(f"Skipping {missing}: package is allowed to be unlocked")
-            return []
-
-        if any(
-            delimiter in missing for delimiter in constants.PEP508_VERSION_DELIMITERS
-        ):
-            raise exceptions.LockedDepVersionConflictError(
-                f"Locked dependency '{missing}' cannot include version specifier"
-            ) from None
-
-        raise exceptions.LockedDepNotFoundError(
-            f"No version of locked dependency '{missing}' found in the project lockfile"
-        ) from None
-
-
-def find_project_deps(
-    packages: PackageMap,
-    venv: poetry.utils.env.VirtualEnv,
-    project: poetry.poetry.Poetry,
-    extras: Sequence[str] = (),
-) -> List[poetry.core.packages.package.Package]:
-    """Find the root project dependencies
-
-    Recursively identify the dependencies of the root project package
-
-    :param packages: Mapping of all locked package names to their corresponding package object
-    :param venv: Poetry virtual environment to use for package compatibility checks
-    :param project: Poetry object for the current project
-    :param extras: Sequence of extra names to include the dependencies of
-    """
-
-    required_dep_names = [
-        item.name for item in project.package.requires if not item.is_optional()
-    ]
-
-    extra_dep_names: List[str] = []
-    for extra in extras:
-        logger.info(f"Processing project extra '{extra}'")
-        try:
-            extra_dep_names += [
-                item.name
-                for item in project.package.extras[
-                    packaging.utils.NormalizedName(extra)
-                ]
-            ]
-        except KeyError:
-            raise exceptions.ExtraNotFoundError(
-                f"Environment specifies project extra '{extra}' which was not found in the lockfile"
-            ) from None
-
-    dependencies: List[poetry.core.packages.package.Package] = []
-    for dep_name in required_dep_names + extra_dep_names:
-        dependencies += identify_transients(
-            dep_name.lower(), packages, venv, allow_missing=[project.package.name]
-        )
-
-    return dedupe_packages(dependencies)
-
-
-def find_additional_deps(
-    packages: PackageMap,
-    venv: poetry.utils.env.VirtualEnv,
-    project: poetry.poetry.Poetry,
-    dep_names: Sequence[str],
-) -> List[poetry.core.packages.package.Package]:
-    """Find additional dependencies
-
-    Recursively identify the dependencies of an arbitrary list of package names
-
-    :param packages: Mapping of all locked package names to their corresponding package object
-    :param venv: Poetry virtual environment to use for package compatibility checks
-    :param project: Poetry object for the current project
-    :param dep_names: Sequence of additional dependency names to recursively find the transient
-                      dependencies for
-    """
-    dependencies: List[poetry.core.packages.package.Package] = []
-    for dep_name in dep_names:
-        dependencies += identify_transients(
-            dep_name.lower(), packages, venv, allow_missing=[project.package.name]
-        )
-
-    return dedupe_packages(dependencies)
-
-
-def find_group_deps(
-    group: str,
-    packages: PackageMap,
-    venv: poetry.utils.env.VirtualEnv,
-    project: poetry.poetry.Poetry,
-) -> List[poetry.core.packages.package.Package]:
-    """Find the dependencies belonging to a dependency group
-
-    Recursively identify the Poetry dev dependencies
-
-    :param group: Name of the dependency group from the project's ``pyproject.toml``
-    :param packages: Mapping of all locked package names to their corresponding package object
-    :param venv: Poetry virtual environment to use for package compatibility checks
-    :param project: Poetry object for the current project
-    """
-    return find_additional_deps(
-        packages,
-        venv,
-        project,
-        # the type ignore here is due to the difficulties around getting nested data
-        # from the inherrently unstructured toml structure (which necessarily is flexibly
-        # typed) but in a situation where there is a meta-structure applied to it (i.e. a
-        # pyproject.toml structure).
-        project.pyproject.data["tool"]["poetry"]  # type: ignore
-        .get("group", {})
-        .get(group, {})
-        .get("dependencies", {})
-        .keys(),
-    )
-
-
-def find_dev_deps(
-    packages: PackageMap,
-    venv: poetry.utils.env.VirtualEnv,
-    project: poetry.poetry.Poetry,
-) -> List[poetry.core.packages.package.Package]:
-    """Find the dev dependencies
-
-    Recursively identify the Poetry dev dependencies
-
-    :param packages: Mapping of all locked package names to their corresponding package object
-    :param venv: Poetry virtual environment to use for package compatibility checks
-    :param project: Poetry object for the current project
-    """
-    dev_group_deps = find_group_deps("dev", packages, venv, project)
-
-    # Legacy pyproject.toml poetry format:
-    legacy_dev_group_deps = find_additional_deps(
-        packages,
-        venv,
-        project,
-        # the type ignore here is due to the difficulties around getting nested data
-        # from the inherrently unstructured toml structure (which necessarily is flexibly
-        # typed) but in a situation where there is a meta-structure applied to it (i.e. a
-        # pyproject.toml structure).
-        project.pyproject.data["tool"]["poetry"].get("dev-dependencies", {}).keys(),  # type: ignore
-    )
-
-    # Poetry 1.2 unions these two toml sections.
-    return dedupe_packages(dev_group_deps + legacy_dev_group_deps)
-
-
-@contextlib.contextmanager
-def _optional_parallelize(parallels: int):
-    """A bit of cheat, really
-
-    A context manager that exposes a common interface for the caller that optionally
-    enables/disables the usage of the parallel thread pooler depending on the value of
-    the ``parallels`` parameter.
-    """
-    if parallels > 0:
-        with concurrent.futures.ThreadPoolExecutor(max_workers=parallels) as executor:
-            yield executor.submit
-    else:
-        yield lambda func, arg: func(arg)
-
-
-def install_package(
-    project: poetry.poetry.Poetry,
-    venv: tox.tox_env.api.ToxEnv,
-    packages: Collection[poetry.core.packages.package.Package],
-    parallels: int = 0,
-):
-    """Install a bunch of packages to a virtualenv
-
-    :param project: Poetry object the packages were sourced from
-    :param venv: Tox virtual environment to install the packages to
-    :param packages: List of packages to install to the virtual environment
-    :param parallels: Number of parallel processes to use for installing dependency packages, or
-                      ``None`` to disable parallelization.
-    """
-
-    logger.info(f"Installing {len(packages)} packages to environment at {venv.env_dir}")
-
-    install_executor = poetry.installation.executor.Executor(
-        env=convert_virtualenv(venv),
-        io=cleo.io.null_io.NullIO(),
-        pool=project.pool,
-        config=poetry.config.config.Config(),
-    )
-
-    installed: Set[poetry.core.packages.package.Package] = set()
-
-    def logged_install(dependency: poetry.core.packages.package.Package) -> None:
-        start = datetime.datetime.now()
-        logger.debug(f"Installing {dependency}")
-        install_executor.execute(
-            [poetry.installation.operations.install.Install(package=dependency)]
-        )
-        end = datetime.datetime.now()
-        logger.debug(f"Finished installing {dependency} in {end - start}")
-
-    with _optional_parallelize(parallels) as executor:
-        futures = []
-        for dependency in packages:
-            if dependency not in installed:
-                installed.add(dependency)
-                logger.debug(f"Queuing {dependency}")
-                future = executor(logged_install, dependency)
-                if future is not None:
-                    futures.append(future)
-            else:
-                logger.debug(f"Skipping {dependency}, already installed")
-        logger.debug("Waiting for installs to finish...")
-
-        for future in concurrent.futures.as_completed(futures):
-            # Don't actually care about the return value, just waiting on the
-            # future to ensure any exceptions that were raised in the called
-            # function are propagated.
-            future.result()
-
-
-def dedupe_packages(
-    packages: Sequence[poetry.core.packages.package.Package],
-) -> List[poetry.core.packages.package.Package]:
-    """Deduplicates a sequence of Packages while preserving ordering
-
-    Adapted from StackOverflow: https://stackoverflow.com/a/480227
-    """
-    seen: Set[poetry.core.packages.package.Package] = set()
-    # Make this faster, avoid method lookup below
-    seen_add = seen.add
-    return [item for item in packages if not (item in seen or seen_add(item))]
-
-
-def convert_virtualenv(venv: tox.tox_env.api.ToxEnv) -> poetry.utils.env.VirtualEnv:
-    """Convert a Tox venv to a Poetry venv
-
-    :param venv: Tox ``VirtualEnv`` object representing a tox virtual environment
-    :returns: Poetry ``VirtualEnv`` object representing a poetry virtual environment
-    """
-    return poetry.utils.env.VirtualEnv(path=pathlib.Path(venv.env_dir))
-
-
-def build_package_map(project: poetry.poetry.Poetry) -> PackageMap:
-    """Build the mapping of package names to objects
-
-    :param project: Populated poetry object to load locked packages from
-    :returns: Mapping of package names to Poetry package objects
-    """
-    packages = collections.defaultdict(list)
-    for package in project.locker.locked_repository().packages:
-        packages[str(package.name)].append(package)
-
-    return packages

tox_poetry_installer/hooks/tox_add_env_config.py

@@ -1,47 +0,0 @@
-"""Add required env configuration options to the tox INI file"""
-
-from typing import List
-
-import tox.config.sets
-import tox.plugin
-
-
-# pylint: disable=missing-function-docstring
-@tox.plugin.impl
-def tox_add_env_config(
-    env_conf: tox.config.sets.EnvConfigSet,
-):
-    env_conf.add_config(
-        "poetry_dep_groups",
-        of_type=List[str],
-        default=[],
-        desc="List of Poetry dependency groups to install to the environment",
-    )
-
-    env_conf.add_config(
-        "install_project_deps",
-        of_type=bool,
-        default=True,
-        desc="Automatically install all Poetry primary dependencies to the environment",
-    )
-
-    env_conf.add_config(
-        "require_locked_deps",
-        of_type=bool,
-        default=False,
-        desc="Require all dependencies in the environment be installed using the Poetry lockfile",
-    )
-
-    env_conf.add_config(
-        "require_poetry",
-        of_type=bool,
-        default=False,
-        desc="Trigger a failure if Poetry is not available to Tox",
-    )
-
-    env_conf.add_config(
-        "locked_deps",
-        of_type=List[str],
-        default=[],
-        desc="List of locked dependencies to install to the environment using the Poetry lockfile",
-    )

tox_poetry_installer/hooks/tox_add_option.py

@@ -1,18 +0,0 @@
-"""Add additional command line arguments to tox to configure plugin behavior"""
-
-import tox.config.cli.parser
-import tox.plugin
-
-from tox_poetry_installer import constants
-
-
-# pylint: disable=missing-function-docstring
-@tox.plugin.impl
-def tox_add_option(parser: tox.config.cli.parser.ToxParser):
-    parser.add_argument(
-        "--parallel-install-threads",
-        type=int,
-        dest="parallel_install_threads",
-        default=constants.DEFAULT_INSTALL_THREADS,
-        help="Number of locked dependencies to install simultaneously; set to 0 to disable parallel installation",
-    )

tox_poetry_installer/hooks/tox_on_install.py

@@ -1,114 +0,0 @@
-"""Install the dependencies for the current environment
-
-Loads the local Poetry environment and the corresponding lockfile then pulls the dependencies
-specified by the Tox environment. Finally these dependencies are installed into the Tox
-environment using the Poetry ``PipInstaller`` backend.
-"""
-
-import itertools
-
-import tox.plugin
-import tox.tox_env.api
-
-from tox_poetry_installer import exceptions
-from tox_poetry_installer import logger
-from tox_poetry_installer.hooks._tox_on_install_helpers import build_package_map
-from tox_poetry_installer.hooks._tox_on_install_helpers import check_preconditions
-from tox_poetry_installer.hooks._tox_on_install_helpers import convert_virtualenv
-from tox_poetry_installer.hooks._tox_on_install_helpers import dedupe_packages
-from tox_poetry_installer.hooks._tox_on_install_helpers import find_additional_deps
-from tox_poetry_installer.hooks._tox_on_install_helpers import find_group_deps
-from tox_poetry_installer.hooks._tox_on_install_helpers import find_project_deps
-from tox_poetry_installer.hooks._tox_on_install_helpers import install_package
-
-
-# pylint: disable=missing-function-docstring,unused-argument
-@tox.plugin.impl
-def tox_on_install(tox_env: tox.tox_env.api.ToxEnv, *args) -> None:
-    try:
-        poetry = check_preconditions(tox_env)
-    except exceptions.SkipEnvironment as err:
-        if (
-            isinstance(err, exceptions.PoetryNotInstalledError)
-            and tox_env.conf["require_poetry"]
-        ):
-            logger.error(str(err))
-            raise err
-        logger.info(str(err))
-        return
-
-    logger.info(f"Loaded project pyproject.toml from {poetry.file}")
-
-    virtualenv = convert_virtualenv(tox_env)
-
-    try:
-        if not poetry.locker.is_fresh():
-            logger.warning(
-                f"The Poetry lock file is not up to date with the latest changes in {poetry.file}"
-            )
-    except FileNotFoundError as err:
-        logger.error(f"Could not parse lockfile: {err}")
-        raise exceptions.LockfileParsingError(
-            f"Could not parse lockfile: {err}"
-        ) from err
-
-    try:
-        if tox_env.conf["require_locked_deps"] and tox_env.conf["deps"].lines():
-            raise exceptions.LockedDepsRequiredError(
-                f"Unlocked dependencies '{tox_env.conf['deps']}' specified for environment '{tox_env.name}' which requires locked dependencies"
-            )
-
-        packages = build_package_map(poetry)
-
-        group_deps = dedupe_packages(
-            list(
-                itertools.chain(
-                    *[
-                        find_group_deps(group, packages, virtualenv, poetry)
-                        for group in tox_env.conf["poetry_dep_groups"]
-                    ]
-                )
-            )
-        )
-        logger.info(
-            f"Identified {len(group_deps)} group dependencies to install to env"
-        )
-
-        env_deps = find_additional_deps(
-            packages, virtualenv, poetry, tox_env.conf["locked_deps"]
-        )
-
-        logger.info(
-            f"Identified {len(env_deps)} environment dependencies to install to env"
-        )
-
-        # extras are not set in a testenv if skip_install=true
-        try:
-            extras = tox_env.conf["extras"]
-        except KeyError:
-            extras = []
-
-        if tox_env.conf["install_project_deps"]:
-            project_deps = find_project_deps(packages, virtualenv, poetry, extras)
-            logger.info(
-                f"Identified {len(project_deps)} project dependencies to install to env"
-            )
-        else:
-            project_deps = []
-            logger.info("Env does not install project package dependencies, skipping")
-    except exceptions.ToxPoetryInstallerException as err:
-        logger.error(str(err))
-        raise err
-    except Exception as err:
-        logger.error(f"Internal plugin error: {err}")
-        raise err
-
-    dependencies = dedupe_packages(group_deps + env_deps + project_deps)
-
-    logger.info(f"Installing {len(dependencies)} dependencies from Poetry lock file")
-    install_package(
-        poetry,
-        tox_env,
-        dependencies,
-        tox_env.options.parallel_install_threads,
-    )

tox_poetry_installer/logger.py

@@ -1,30 +0,0 @@
-"""Logging wrappers to reduce duplication elsewhere
-
-Calling ``tox.reporter.something()`` and having to format a string with the prefix
-gets really old fast, but more importantly it also makes the flow of the main code
-more difficult to follow because of the added complexity.
-"""
-
-import logging
-
-from tox_poetry_installer import constants
-
-
-def error(message: str):
-    """Wrapper around :func:`logging.error` that prefixes the reporter prefix onto the message"""
-    logging.error(f"{constants.REPORTER_PREFIX} {message}")
-
-
-def warning(message: str):
-    """Wrapper around :func:`logging.warning`"""
-    logging.warning(f"{constants.REPORTER_PREFIX} {message}")
-
-
-def info(message: str):
-    """Wrapper around :func:`logging.info`"""
-    logging.info(f"{constants.REPORTER_PREFIX} {message}")
-
-
-def debug(message: str):
-    """Wrapper around :func:`logging.debug`"""
-    logging.debug(f"{constants.REPORTER_PREFIX} {message}")

tox_poetry_installer/utilities.py

@@ -0,0 +1,219 @@
+"""Helper utility functions, usually bridging Tox and Poetry functionality"""
+# Silence this one globally to support the internal function imports for the proxied poetry module.
+# See the docstring in 'tox_poetry_installer._poetry' for more context.
+# pylint: disable=import-outside-toplevel
+import sys
+import typing
+from pathlib import Path
+from typing import List
+from typing import Sequence
+from typing import Set
+
+from poetry.core.packages import Package as PoetryPackage
+from tox import reporter
+from tox.action import Action as ToxAction
+from tox.venv import VirtualEnv as ToxVirtualEnv
+
+from tox_poetry_installer import constants
+from tox_poetry_installer import exceptions
+from tox_poetry_installer.datatypes import PackageMap
+
+if typing.TYPE_CHECKING:
+    from tox_poetry_installer import _poetry
+
+
+def install_to_venv(
+    poetry: "_poetry.Poetry", venv: ToxVirtualEnv, packages: Sequence[PoetryPackage]
+):
+    """Install a bunch of packages to a virtualenv
+
+    :param poetry: Poetry object the packages were sourced from
+    :param venv: Tox virtual environment to install the packages to
+    :param packages: List of packages to install to the virtual environment
+    """
+    from tox_poetry_installer import _poetry
+
+    reporter.verbosity1(
+        f"{constants.REPORTER_PREFIX} Installing {len(packages)} packages to environment at {venv.envconfig.envdir}"
+    )
+
+    installer = _poetry.PipInstaller(
+        env=_poetry.VirtualEnv(path=Path(venv.envconfig.envdir)),
+        io=_poetry.NullIO(),
+        pool=poetry.pool,
+    )
+
+    for dependency in packages:
+        reporter.verbosity1(f"{constants.REPORTER_PREFIX} Installing {dependency}")
+        installer.install(dependency)
+
+
+def find_transients(
+    packages: PackageMap, dependency_name: str, allow_missing: Sequence[str] = ()
+) -> Set[PoetryPackage]:
+    """Using a poetry object identify all dependencies of a specific dependency
+
+    :param packages: All packages from the lockfile to use for identifying dependency relationships.
+    :param dependency_name: Bare name (without version) of the dependency to fetch the transient
+                            dependencies of.
+    :param allow_missing: Sequence of package names to allow to be missing from the lockfile. Any
+                          packages that are not found in the lockfile but their name appears in this
+                          list will be silently skipped from installation.
+    :returns: List of packages that need to be installed for the requested dependency.
+
+    .. note:: The package corresponding to the dependency named by ``dependency_name`` is included
+              in the list of returned packages.
+    """
+    from tox_poetry_installer import _poetry
+
+    def find_deps_of_deps(name: str, searched: Set[str]) -> PackageMap:
+        searched.add(name)
+
+        if name in _poetry.Provider.UNSAFE_PACKAGES:
+            reporter.warning(
+                f"{constants.REPORTER_PREFIX} Installing package '{name}' using Poetry is not supported and will be skipped"
+            )
+            reporter.verbosity2(
+                f"{constants.REPORTER_PREFIX} Skip {name}: designated unsafe by Poetry"
+            )
+            return dict()
+
+        transients: PackageMap = {}
+        try:
+            package = packages[name]
+        except KeyError as err:
+            if name in allow_missing:
+                reporter.verbosity2(
+                    f"{constants.REPORTER_PREFIX} Skip {name}: package is not in lockfile but designated as allowed to be missing"
+                )
+                return dict()
+            raise err
+
+        if not package.python_constraint.allows(constants.PLATFORM_VERSION):
+            reporter.verbosity2(
+                f"{constants.REPORTER_PREFIX} Skip {package}: incompatible Python requirement '{package.python_constraint}' for current version '{constants.PLATFORM_VERSION}'"
+            )
+        elif package.platform is not None and package.platform != sys.platform:
+            reporter.verbosity2(
+                f"{constants.REPORTER_PREFIX} Skip {package}: incompatible platform requirement '{package.platform}' for current platform '{sys.platform}'"
+            )
+        else:
+            reporter.verbosity2(
+                f"{constants.REPORTER_PREFIX} Including {package} for installation"
+            )
+            transients[name] = package
+            for index, dep in enumerate(package.requires):
+                reporter.verbosity2(
+                    f"{constants.REPORTER_PREFIX} Processing dependency {index + 1}/{len(package.requires)} for {package}: {dep.name}"
+                )
+                if dep.name not in searched:
+                    transients.update(find_deps_of_deps(dep.name, searched))
+                else:
+                    reporter.verbosity2(
+                        f"{constants.REPORTER_PREFIX} Package with name '{dep.name}' has already been processed, skipping"
+                    )
+
+        return transients
+
+    searched: Set[str] = set()
+
+    try:
+        transients: PackageMap = find_deps_of_deps(
+            packages[dependency_name].name, searched
+        )
+    except KeyError:
+        if dependency_name in _poetry.Provider.UNSAFE_PACKAGES:
+            reporter.warning(
+                f"{constants.REPORTER_PREFIX} Installing package '{dependency_name}' using Poetry is not supported and will be skipped"
+            )
+            return set()
+
+        if any(
+            delimiter in dependency_name
+            for delimiter in constants.PEP508_VERSION_DELIMITERS
+        ):
+            raise exceptions.LockedDepVersionConflictError(
+                f"Locked dependency '{dependency_name}' cannot include version specifier"
+            ) from None
+
+        raise exceptions.LockedDepNotFoundError(
+            f"No version of locked dependency '{dependency_name}' found in the project lockfile"
+        ) from None
+
+    return set(transients.values())
+
+
+def check_preconditions(venv: ToxVirtualEnv, action: ToxAction) -> "_poetry.Poetry":
+    """Check that the local project environment meets expectations"""
+    # Skip running the plugin for the provisioning environment. The provisioned environment,
+    # for alternative Tox versions and/or the ``requires`` meta dependencies is specially
+    # handled by Tox and is out of scope for this plugin. Since one of the ways to install this
+    # plugin in the first place is via the Tox provisioning environment, it quickly becomes a
+    # chicken-and-egg problem.
+    if action.name == venv.envconfig.config.provision_tox_env:
+        raise exceptions.SkipEnvironment(
+            f"Skipping Tox provisioning env '{action.name}'"
+        )
+
+    # Skip running the plugin for the packaging environment. PEP-517 front ends can handle
+    # that better than we can, so let them do their thing. More to the point: if you're having
+    # problems in the packaging env that this plugin would solve, god help you.
+    if action.name == venv.envconfig.config.isolated_build_env:
+        raise exceptions.SkipEnvironment(
+            f"Skipping isolated packaging build env '{action.name}'"
+        )
+
+    from tox_poetry_installer import _poetry
+
+    try:
+        return _poetry.Factory().create_poetry(venv.envconfig.config.toxinidir)
+    # Support running the plugin when the current tox project does not use Poetry for its
+    # environment/dependency management.
+    #
+    # ``RuntimeError`` is dangerous to blindly catch because it can be (and in Poetry's case,
+    # is) raised in many different places for different purposes.
+    except RuntimeError:
+        raise exceptions.SkipEnvironment(
+            "Project does not use Poetry for env management, skipping installation of locked dependencies"
+        ) from None
+
+
+def find_project_dependencies(
+    venv: ToxVirtualEnv, poetry: "_poetry.Poetry", packages: PackageMap
+) -> List[PoetryPackage]:
+    """Install the dependencies of the project package
+
+    Install all primary dependencies of the project package.
+
+    :param venv: Tox virtual environment to install the packages to
+    :param poetry: Poetry object the packages were sourced from
+    :param packages: Mapping of package names to the corresponding package object
+    """
+
+    base_dependencies: List[PoetryPackage] = [
+        packages[item.name]
+        for item in poetry.package.requires
+        if not item.is_optional()
+    ]
+
+    extra_dependencies: List[PoetryPackage] = []
+    for extra in venv.envconfig.extras:
+        reporter.verbosity1(
+            f"{constants.REPORTER_PREFIX} Processing project extra '{extra}'"
+        )
+        try:
+            extra_dependencies += [
+                packages[item.name] for item in poetry.package.extras[extra]
+            ]
+        except KeyError:
+            raise exceptions.ExtraNotFoundError(
+                f"Environment '{venv.name}' specifies project extra '{extra}' which was not found in the lockfile"
+            ) from None
+
+    dependencies: List[PoetryPackage] = []
+    for dep in base_dependencies + extra_dependencies:
+        dependencies += find_transients(
+            packages, dep.name.lower(), allow_missing=[poetry.package.name]
+        )
+
+    return dependencies