Fix filtering of log messages generated in native code. (cherrypick of #11313) #11316
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…1313) Log messages generated in native code (including those generated by `--files-not-found-behavior=warn`) cannot be filtered using the Python warnings module, meaning that the `--ignore-pants-warnings` option does not currently work for them. Move to a native implementation of warnings filtering, which allows for filtering out log messages generated by Rust as well as Python. [ci skip-build-wheels]
jsirois
approved these changes
Dec 16, 2020
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Problem
Log messages generated in native code (including those generated by
--files-not-found-behavior=warn) cannot be filtered using the Python warnings module, meaning that the--ignore-pants-warningsoption does not currently work for them.Solution
Move to a native implementation of warnings filtering, which allows for filtering out log messages generated by Rust as well as Python.
[ci skip-build-wheels]