bpo-24960: use pkgutil.get_data in lib2to3 to read pickled grammar files #4977
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This is more complicated than it should be because we need to preserve the useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar has. We only look for the pickled grammar file with pkgutil.get_data and only if the source file does not exist.
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Should this ultimately use |
gpshead
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Dec 22, 2017
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Thanks @benjaminp for the PR 🌮🎉.. I'm working now to backport this PR to: 2.7, 3.6. |
miss-islington
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Dec 22, 2017
…les (pythonGH-4977) This is more complicated than it should be because we need to preserve the useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar has. We only look for the pickled grammar file with pkgutil.get_data and only if the source file does not exist. (cherry picked from commit 8a58771)
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GH-4979 is a backport of this pull request to the 3.6 branch. |
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Sorry, @benjaminp, I could not cleanly backport this to |
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GH-4980 is a backport of this pull request to the 2.7 branch. |
benjaminp
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Dec 22, 2017
…mar files (GH-4977) This is more complicated than it should be because we need to preserve the useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar has. We only look for the pickled grammar file with pkgutil.get_data and only if the source file does not exist.. (cherry picked from commit 8a58771)
benjaminp
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that referenced
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Dec 22, 2017
…les (GH-4977) (#4979) This is more complicated than it should be because we need to preserve the useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar has. We only look for the pickled grammar file with pkgutil.get_data and only if the source file does not exist. (cherry picked from commit 8a58771)
benjaminp
added a commit
that referenced
this pull request
Dec 22, 2017
…mar files (GH-4977) (#4980) This is more complicated than it should be because we need to preserve the useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar has. We only look for the pickled grammar file with pkgutil.get_data and only if the source file does not exist.. (cherry picked from commit 8a58771)
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This is more complicated than it should be because we need to preserve the
useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar
has. We only look for the pickled grammar file with pkgutil.get_data and only if
the source file does not exist.
https://bugs.python.org/issue24960