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load env vars using python-dotenv

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David Lord 2017-07-14 22:37:53 -07:00
parent 77b98a2762
commit 491d331e6e
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13 changed files with 235 additions and 42 deletions
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42
flask/app.py
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@ -820,7 +820,9 @@ class Flask(_PackageBoundObject):
self.debug = debug
self.jinja_env.auto_reload = self.templates_auto_reload
def run(self, host=None, port=None, debug=None, **options):
def run(
self, host=None, port=None, debug=None, load_dotenv=True, **options
):
"""Runs the application on a local development server.
Do not use ``run()`` in a production setting. It is not intended to
@ -849,30 +851,40 @@ class Flask(_PackageBoundObject):
won't catch any exceptions because there won't be any to
catch.
:param host: the hostname to listen on. Set this to ``'0.0.0.0'`` to
have the server available externally as well. Defaults to
``'127.0.0.1'`` or the host in the ``SERVER_NAME`` config variable
if present.
:param port: the port of the webserver. Defaults to ``5000`` or the
port defined in the ``SERVER_NAME`` config variable if present.
:param debug: if given, enable or disable debug mode. See
:attr:`debug`.
:param load_dotenv: Load the nearest :file:`.env` and :file:`.flaskenv`
files to set environment variables. Will also change the working
directory to the directory containing the first file found.
:param options: the options to be forwarded to the underlying Werkzeug
server. See :func:`werkzeug.serving.run_simple` for more
information.
.. versionchanged:: 1.0
If installed, python-dotenv will be used to load environment
variables from :file:`.env` and :file:`.flaskenv` files.
.. versionchanged:: 0.10
The default port is now picked from the ``SERVER_NAME`` variable.
:param host: the hostname to listen on. Set this to ``'0.0.0.0'`` to
have the server available externally as well. Defaults to
``'127.0.0.1'`` or the host in the ``SERVER_NAME`` config
variable if present.
:param port: the port of the webserver. Defaults to ``5000`` or the
port defined in the ``SERVER_NAME`` config variable if
present.
:param debug: if given, enable or disable debug mode.
See :attr:`debug`.
:param options: the options to be forwarded to the underlying
Werkzeug server. See
:func:`werkzeug.serving.run_simple` for more
information.
"""
# Change this into a no-op if the server is invoked from the
# command line. Have a look at cli.py for more information.
if os.environ.get('FLASK_RUN_FROM_CLI_SERVER') == '1':
if os.environ.get('FLASK_RUN_FROM_CLI') == 'true':
from .debughelpers import explain_ignored_app_run
explain_ignored_app_run()
return
if load_dotenv:
from flask.cli import load_dotenv
load_dotenv()
if debug is not None:
self._reconfigure_for_run_debug(bool(debug))