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Selecting Violations with Flake8 This list can be overridden by specifying flake8 --select . Just as specifying flake8 --ignore will change the behaviour of Flake8, so will flake8 --select . Suddenly we now have far more errors that are reported to us. Using --select alone will override the default --ignore list.
# flake8: noqa : files that contain this line are skipped. lines that contain a # noqa comment at the end: will not issue warnings.
As of Flake8 3.7.0 you can do this using the --per-file-ignores option.
Command line example
flake8 --per-file-ignores="project/__init__.py:F401 setup.py:E121"
Or in your config file
per-file-ignores =
project/__init__.py:F401
setup.py:E121
other_project/*:W9
See the documentation here: http://flake8.pycqa.org/en/latest/user/options.html?highlight=per-file-ignores#cmdoption-flake8-per-file-ignores
It is not possible to place a noqa comment for specific codes at the top of a file like you can for individual lines. # flake8: noqa: F401 may at first appear to work, but it's actually being detected as only # flake8: noqa, which means "ignore all messages in the file".
Before version 3.7.0, ignoring specific errors was only implemented per-line but not per-file.
The feature is being tracked and discussed in issue #89 from which only the per-line proposal has been adopted. More recently, an implementation has been proposed in this merge request, which nobody has followed up on.
However, some extensions have emerged to address the problem:
flake8-per-file-ignores lets you ignore specific warning/errors for specific files via an entry in the config.
flake8-putty claims to do the same, but hasn't been updated for a while.
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