Agfdhyk

I find that the autocomplete for Flask is somewhat lacking--this is because internally, context-specific objects such as current_app, request, and logger are actually LocalProxys. Thus PyCharm reasonably has no idea what to do with this type.

So the obvious solution to this, to me would be to apply type hints on the imported modules. Except you can't do that! As of Python 3.7 there appears to be no such syntax to facilitate this.

So the next-obvious solution would be to make local copies of each context-specific module with the type explicitly set like so:

from logging import Logger

from flask import Flask, Request, Blueprint, request, current_app as app



app: Flask = app

logger: Logger = app.logger

request: Request = request

...which works until you actually attempt to start the server, in which case the application crashes because of a RuntimeError: Working outside of application context.

It turns out that we can actually encapsulate the relevant type hints inside of a class or other scope inside of the application context.

@foo_blueprint.route('/foo', methods=['GET'])

def foo(cls):

    _app: Flask = app

    _logger: Logger = app.logger

    _request: Request = request

    # ...

...which works but is incredibly awkward in every imaginable sense.

Is there a reasonable solution for getting proper type hints inside of an application context in Flask?