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Backport PR #25792 on branch v3.7.x (Fix broken symlinks for expected images on WSL) #25893

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Merged
merged 1 commit into from
May 16, 2023
Merged

Backport PR #25792 on branch v3.7.x (Fix broken symlinks for expected images on WSL) #25893

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3 changes: 3 additions & 0 deletions lib/matplotlib/testing/decorators.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import functools
import inspect
import os
from platform import uname
from pathlib import Path
import shutil
import string
Expand Down Expand Up @@ -199,6 +200,8 @@ def copy_baseline(self, baseline, extension):
with contextlib.suppress(OSError):
os.remove(expected_fname)
try:
if 'microsoft' in uname().release.lower():
raise OSError # On WSL, symlink breaks silently
os.symlink(orig_expected_path, expected_fname)
except OSError: # On Windows, symlink *may* be unavailable.
shutil.copyfile(orig_expected_path, expected_fname)
Expand Down