code-quality November 2016

code-quality@python.org

8 participants
5 discussions

Flake8 / W291 in comments
by Jacob Scott 23 Nov '16

23 Nov '16

Hi code quality folks, I'd like to use flake8 to enforce no trailing whitespace, except in comments. Is there a way to do this? My main use case is to have compatibility with autopep8, which does not remove trailing whitespace from comments. Thanks, Jacob

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RuntimeError: dictionary changed size during iteration
by Francesc Elies Henar 23 Nov '16

23 Nov '16

Hi On circle ci when I run flake I get the following error, but when I run it locally everything runs smoothly and I am uncapable of reprducing it, but somehow on circle ci fails. Does anyone have an idea what it could be the issue, see Error below Thanks in advance for any hints and your time. Best, Farncesc The error: flake8 --ignore=E712 background_tasks Traceback (most recent call last): File "/home/ubuntu/virtualenvs/venv-3.5.1/bin/flake8", line 5, in <module> main() File "/home/ubuntu/virtualenvs/venv-3.5.1/lib/python3.5/site-packages/flake8/run.py", line 48, in main options, args = pep8.process_options() File "/home/ubuntu/virtualenvs/venv-3.5.1/lib/python3.5/site-packages/flake8/pep8.py", line 1343, in process_options options.physical_checks = find_checks('physical_line') File "/home/ubuntu/virtualenvs/venv-3.5.1/lib/python3.5/site-packages/flake8/pep8.py", line 812, in find_checks for name, function in globals().items(): RuntimeError: dictionary changed size during iteration

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flake8 organization configuration
by Liam Stewart 16 Nov '16

16 Nov '16

We have multiple python projects over multiple (private) repos in github and I would like all of them to share a standard, organization-wide style (eg. line length, any explicit select/ignore settings, etc.). Each individual project could have a configuration that contained project-specific settings. This would normally be additional ignore settings (eg. to gradually transition a project to our style rule by rule). Ideally, a developer should be able to run a single command to do style checks. I'm looking for guidance about how to go about doing this with flake8. What I was thinking was that we'd have a private python package that brings in flake8 plus any plugin packages and custom extensions (similar to hacking); it would also bring in the global configuration file. In this way, projects could simply add, say, <org>-flake8 to their requirements.txt file. I'm pretty sure that we'd need a wrapper script to handle the global configuration. The question is more about how to specify the global config correctly. flake8's doesn't seem to have the notion of a global base configuration; the closest thing is the user configuration, but that is layered on top of whatever project configuration there is. The "--config" argument isn't useful as that forces a single configuration file. "--append-config" is a possibility. A wrapper that runs flake8 with --append-config to layer first global + local could work but local settings would have to be in a fixed file. We'd layer local-global-local. That's sort of ok, but would lead to surprising results if a dev put settings in say "setup.cfg" and the wrapper always tried ".flake8" (though we could minimize such surprises by specifying all known project file names..). Is there another way to go about this that I haven't considered? Would it be reasonable to add a "--prepend-config" argument? In which case the layering order would be prepend, local files, append, user. (Happy to submit a PR or whatever the gitlab equivalent is.) Thanks, liam -- Liam Stewart :: liam.stewart(a)gmail.com

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Flake8 3.1.0b1 Tagged
by Ian Cordasco 12 Nov '16

12 Nov '16

Hi all, I've tagged (not released to PyPI) 3.1.0b1 of Flake8. It includes a number of bug fixes: http://flake8.pycqa.org/en/latest/release-notes/3.1.0.html If no one finds anything wrong with it, I'll be releasing it on Monday the 14th. Cheers! Ian

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flake8 3.0 no longer excludes .tox
by Jaime McCandless 10 Nov '16

10 Nov '16

I upgraded from flake8 2.5.4 to 3.0.4 and my .tox directory was no longer excluded by default. I didn't find any documentation on this change. It would be great if you either: - fixed this (i.e. exclude .tox by default) - documented the breaking change Jaime

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code-quality November 2016