PEP8 Git Commit Hook

This is a pre-commit hook for Git that checks the code to be committed for Python PEP8 style compliance. The hook will prevent the commit in case style violations are detected.

Installation:

Install the pycodestyle (formally called pep8) program: $ pip install pycodestyle
Save pre-commit as your_project/.git/hooks/pre-commit
Mark pre-commit executable: $ chmod +x your_project/.git/hooks/pre-commit

The hook can be overridden: $ git commit --no-verify

Currently, the following PEP8 codes are checked for:

E111 indentation is not a multiple of four
E125 continuation line does not distinguish itself from next logical line
E203 whitespace before ':'
E261 at least two spaces before inline comment
E262 inline comment should start with '# '
E301 expected 1 blank line, found 0
E302 expected 2 blank lines, found 1
E303 too many blank lines (2)
E502 the backslash is redundant between brackets
E701 multiple statements on one line (colon)
E711 comparison to None should be 'if cond is None:'
W291 trailing whitespace
W293 blank line contains whitespace

In case you want to modify the list of codes to ignore, edit the ignore_codes list in the pre-commit file.
If you want to select only specific codes to scan for, use the select_codes list. Additional arguments to the pycodestyle program (e.g., --max-line-length=120) can be added to the overrides list.

This code was forked from https://gist.github.com/810399.

irjudson/pep8-git-hook

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