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Contributing Code
=================

We welcome code contributions via GitHub pull requests to the official WA
repository. To help with maintainability of the code line we ask that the code
uses a coding style consistent with the rest of WA code, which is basically
`PEP8 <https://www.python.org/dev/peps/pep-0008/>`_ with line length and block
comment rules relaxed (the wrapper for PEP8 checker inside ``dev_scripts`` will 
run it with appropriate configuration).

We ask that the following checks are performed on the modified code prior to
submitting a pull request:

.. note:: You will need pylint and pep8 static checkers installed::

                pip install pep8
                pip install pylint

           It is recommened that you install via pip rather than through your
           distribution's package mananger because the latter is likely to
           contain out-of-date version of these tools.

- ``./dev_scripts/pylint`` should be run without arguments and should produce no
  output (any output should be addressed by making appropriate changes in the
  code or adding a pylint ignore directive, if there is a good reason for
  keeping the code as is).
- ``./dev_scripts/pep8`` should be run without arguments and should produce no
  output (any output should be addressed by making appropriate changes in the
  code).
- If the modifications touch core framework (anything under ``wlauto/core``), unit
  tests should be run using ``nosetests``, and they should all pass.

          - If significant additions have been made to the framework, unit
            tests should be added to cover the new functionality.

- If modifications have been made to documentation (this includes description
  attributes for Parameters and Extensions), documentation should be built to
  make sure no errors or warning during build process, and a visual inspection
  of new/updated sections in resulting HTML should be performed to ensure
  everything renders as expected.

Once you have your contribution is ready, please follow instructions in `GitHub 
documentation <https://help.github.com/articles/creating-a-pull-request/>`_ to 
create a pull request.