bpo-46678: Fix Invalid cross device link in Lib/test/support/import_helper.py #31204
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os.rename fails if the source and target live on different devices. This can occur in Lib/test/support/import_helper.py (for example) if /tmp is mounted as a ramdisk, or more generally if PYTHONPYCACHEPREFIX is set to a directory on a different drive from where temporary files are stored.
brettcannon
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Feb 8, 2022
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Sorry, I can't merge this PR. Reason: |
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Sorry, I can't merge this PR. Reason: |
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Sorry, I can't merge this PR. Reason: |
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@notarealdeveloper: Status check is done, and it's a success |
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Thanks @notarealdeveloper for the PR |
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Sorry, @notarealdeveloper, I could not cleanly backport this to |
miss-islington
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Feb 8, 2022
…elper.py (pythonGH-31204) In [Lib/test/support/import_helper.py](https://github.com/python/cpython/blob/master/Lib/test/support/import_helper.py), the function `make_legacy_pyc` makes a call to `os.rename` which can fail when the source and target live on different devices. This happens (for example) when `PYTHONPYCACHEPREFIX` is set to a directory anywhere on disk, while a ramdisk is mounted on `/tmp` (the latter of which is the default on various Linux distros). Replacing `os.rename` with `shutil.move` fixes this. Automerge-Triggered-By: GH:brettcannon (cherry picked from commit da576e0) Co-authored-by: Jason Wilkes <notarealdeveloper@gmail.com>
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GH-31207 is a backport of this pull request to the 3.10 branch. |
brettcannon
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Feb 8, 2022
…elper.py (GH-31204) (GH-31207) In `Lib/test/support/import_helper.py`, the function `make_legacy_pyc` makes a call to `os.rename` which can fail when the source and target live on different devices. This happens (for example) when `PYTHONPYCACHEPREFIX` is set to a directory anywhere on disk, while a ramdisk is mounted on `/tmp` (the latter of which is the default on various Linux distros). Replacing `os.rename` with `shutil.move` fixes this. Automerge-Triggered-By: GH:brettcannon (cherry picked from commit da576e0) Co-authored-by: Jason Wilkes <notarealdeveloper@gmail.com>
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In Lib/test/support/import_helper.py, the function
make_legacy_pycmakes a call toos.renamewhich can fail when the source and target live on different devices. This happens (for example) whenPYTHONPYCACHEPREFIXis set to a directory anywhere on disk, while a ramdisk is mounted on/tmp(the latter of which is the default on various Linux distros). Replacingos.renamewithshutil.movefixes this.https://bugs.python.org/issue46678
Automerge-Triggered-By: GH:brettcannon