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54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
import flask
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from dehance import __about__
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from dehance import configuration
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from dehance import constants
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from dehance import database
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from dehance import exceptions
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from dehance.resources import ResponseHeaders
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def make_the_tea() -> None:
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"""Just for fun
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https://en.wikipedia.org/wiki/Hyper_Text_Coffee_Pot_Control_Protocol
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"""
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if flask.request.content_type == "message/coffeepot":
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raise exceptions.IAmATeapotError(
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f"Coffee brewing request for '{flask.request.path}' cannot be completed by teapot application"
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)
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def initialize_database() -> None:
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"""Initialize the database connection"""
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database.initialize(flask.current_app.appconfig)
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class DehanceRequest(flask.Request):
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"""Extend the default Flask request object to add custom application state settings"""
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def make_response_headers(self) -> ResponseHeaders:
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"""Create the headers dictionary of the standard response headers
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This function should be used when determining response headers so that the header names,
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their contents, and formatting are universal.
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:returns: Dictionary of headers
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"""
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return {
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constants.HTTP_HEADER_RESPONSE_VERSION: __about__.__version__,
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}
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class DehanceFlask(flask.Flask):
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"""Extend the default Flask object to add the custom application config
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There's probably an easier/more kosher way to do this, but ¯\\_(ツ)_/¯
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"""
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request_class = DehanceRequest
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.appconfig: configuration.DehanceConfig = configuration.load()
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