8000 MAINT: Deterministic SVG and PDF tests by jkseppan · Pull Request #7748 · matplotlib/matplotlib · GitHub
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MAINT: Deterministic SVG and PDF tests #7748

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Merged
merged 7 commits into from
Jan 21, 2017
Merged

MAINT: Deterministic SVG and PDF tests #7748

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529afdc
Allow deleting pdf metadata keys
jkseppan Jan 5, 2017
8c7adbb
Make pdf test results (more) deterministic
jkseppan Jan 5, 2017
93b2eea
Reproducible svg
jkseppan Jan 5, 2017
eab297c
Document the changes in whats_new
jkseppan Jan 5, 2017
ec941b4
Fix documentation mistakes
jkseppan Jan 20, 2017
749e81f
Try to improve wording
jkseppan Jan 20, 2017
6736f7d
Another wording fix
jkseppan Jan 21, 2017
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Make pdf test results (more) deterministic 
Remove the metadata entries that depend on the date and
the exact version.
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@jkseppan
jkseppan committed Jan 5, 2017
commit 8c7adbb10b86f6ab83d79ca3c24cf5c96db9d65f
7 changes: 6 additions & 1 deletion lib/matplotlib/testing/decorators.py
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Expand Up @@ -298,7 +298,12 @@ def compare(self, idx, baseline, extension):
remove_ticks_and_titles(fig)

actual_fname = os.path.join(self.result_dir, baseline) + '.' + extension
fig.savefig(actual_fname, **self.savefig_kwargs)
kwargs = self.savefig_kwargs.copy()
if extension == 'pdf':
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Doesn't this break the test of SOURCE_DATE_EPOCH ?

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No, that test starts a separate subprocess to write the output and doesn't use the image_comparison decorator at all.

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Ah, 🐑

kwargs.setdefault('metadata',
{'Creator': None, 'Producer': None,
'CreationDate': None})
fig.savefig(actual_fname, **kwargs)

expected_fname = self.copy_baseline(baseline, extension)
raise_on_image_difference(expected_fname, actual_fname, self.tol)
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