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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Try to improve wording
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@jkseppan
jkseppan committed Jan 20, 2017
commit 749e81f60fb9bfb3d9b5be6631efca5e88ad7f7c
8 changes: 5 additions & 3 deletions doc/users/whats_new/reproducible_ps_pdf.rst
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Expand Up @@ -17,9 +17,11 @@ versions need to be kept constant for reproducibility, and they may
add sources of nondeterminism outside the control of matplotlib.

For SVG output, the ``svg.hashsalt`` rc parameter has been added in an
earlier release. It can be used to change some random id values in the
output to be deterministic, at the cost that including multiple such
SVG files in one document can lead to collisions.
earlier release. This parameter changes some random identifiers in the
SVG file to be deterministic. The downside of this setting is that if
more than one file is generated using with deterministic identifiers
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using with -> using.

and they end up as parts of one larger document, the identifiers can
collide and cause the different parts to affect each other.

These features are now enabled in the tests for the PDF and SVG
backends, so most test output files (but not all of them) are now
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