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TST: Fix test_pickle_load_from_subprocess in a dirty tree #28781

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Merged
tacaswell merged 1 commit into from
Sep 6, 2024
Merged

TST: Fix test_pickle_load_from_subprocess in a dirty tree #28781

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1 change: 1 addition & 0 deletions lib/matplotlib/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,7 @@ def _get_version():
else:
return setuptools_scm.get_version(
root=root,
dist_name="matplotlib",
version_scheme="release-branch-semver",
local_scheme="node-and-date",
fallback_version=_version.version,
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10 changes: 9 additions & 1 deletion lib/matplotlib/tests/test_pickle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,15 @@ def test_pickle_load_from_subprocess(fig_test, fig_ref, tmp_path):
proc = subprocess_run_helper(
_pickle_load_subprocess,
timeout=60,
extra_env={'PICKLE_FILE_PATH': str(fp), 'MPLBACKEND': 'Agg'}
extra_env={
"PICKLE_FILE_PATH": str(fp),
"MPLBACKEND": "Agg",
# subprocess_run_helper will set SOURCE_DATE_EPOCH=0, so for a dirty tree,
# the version will have the date 19700101. As we aren't trying to test the
# version compatibility warning, force setuptools-scm to use the same
# version as us.
"SETUPTOOLS_SCM_PRETEND_VERSION_FOR_MATPLOTLIB": mpl.__version__,
},
)

loaded_fig = pickle.loads(ast.literal_eval(proc.stdout))
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