[IPython-dev] PEP8 Check For IPython Notebook - A small work around

[Raghav Rv]

Hi all,

I recently modified the pep8 project a little to allow pep8 checks to be
run on ipython notebook, inspired by this stack overflow post
<http://stackoverflow.com/questions/26205629>.

[ Though we do have an extension that can check for pep8 on a per-cell
basis, this modification can help us run pep8 for a whole ".ipynb" file. ]

Using the --format="ipynb" flag we can get the line number offset (
calculated for each individual cell ) and the cell number in the error
report, to easily locate errors.

This is the pull request : https://github.com/jcrocholl/pep8/pull/337

( Looks like this won't be merged as the devs of pep8 feel this is out of
scope for the project. )

I am just posting it here ( as advised by Matt ), just incase someone finds
it useful ...

Sample Notebook
<http://nbviewer.ipython.org/github/rvraghav93/Data-Structures-By-Horowitz-in-Python/blob/master/Chapter%208/Chapter%208%20-%20Hashing.ipynb>
.

Result of running : `python pep8.py --format="ipynb" notebook.ipynb` on the
above notebook. ( Output seems to be consistent with that of the pep8 check
on the converted ".py" file )

Output <https://gist.github.com/rvraghav93/61f98948a4e0464d2cd3>

Thanks
Raghav Rv ( rvraghav93 )
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