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==========================
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How to contribute to Flask
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==========================
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Thanks for considering contributing to Flask.
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Support questions
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=================
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Please, don't use the issue tracker for this. Check whether the ``#pocoo`` IRC
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channel on Freenode can help with your issue. If your problem is not strictly
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Werkzeug or Flask specific, ``#python`` is generally more active.
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`Stack Overflow <https://stackoverflow.com/>`_ is also worth considering.
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Reporting issues
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================
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- Under which versions of Python does this happen? This is even more important
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if your issue is encoding related.
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- Under which versions of Werkzeug does this happen? Check if this issue is
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fixed in the repository.
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Submitting patches
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==================
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- Include tests if your patch is supposed to solve a bug, and explain
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clearly under which circumstances the bug happens. Make sure the test fails
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without your patch.
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- Try to follow `PEP8 <http://legacy.python.org/dev/peps/pep-0008/>`_, but you
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may ignore the line-length-limit if following it would make the code uglier.
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Running the testsuite
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---------------------
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You probably want to set up a `virtualenv
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<https://virtualenv.readthedocs.io/en/latest/index.html>`_.
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The minimal requirement for running the testsuite is ``py.test``. You can
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install it with::
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pip install pytest
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Clone this repository::
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git clone https://github.com/pallets/flask.git
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Install Flask as an editable package using the current source::
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cd flask
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pip install --editable .
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Then you can run the testsuite with::
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py.test
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With only py.test installed, a large part of the testsuite will get skipped
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though. Whether this is relevant depends on which part of Flask you're working
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on. Travis is set up to run the full testsuite when you submit your pull
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request anyways.
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If you really want to test everything, you will have to install ``tox`` instead
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of ``pytest``. You can install it with::
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pip install tox
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The ``tox`` command will then run all tests against multiple combinations
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Python versions and dependency versions.
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