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Document required signature of before_first_request-decorated functions

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Chris Rebert 2015-02-05 12:45:59 -08:00
parent 6a2524634d
commit fe6bcffdad
1 changed files with 3 additions and 0 deletions
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flask/app.py
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@ -1258,6 +1258,9 @@ class Flask(_PackageBoundObject):
"""Registers a function to be run before the first request to this """Registers a function to be run before the first request to this
instance of the application. instance of the application.
The function will be called without any arguments and its return
value is ignored.
.. versionadded:: 0.8 .. versionadded:: 0.8
""" """
self.before_first_request_funcs.append(f) self.before_first_request_funcs.append(f)