Fixed Style hash #2346
Merged
Fixed Style hash #2346
+171
−69
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Codecov ReportAttention: Patch coverage is
❗ Your organization needs to install the Codecov GitHub app to enable full functionality. Additional details and impacted files@@ Coverage Diff @@
## master #2346 +/- ##
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- Coverage 98.88% 98.71% -0.18%
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Files 73 73
Lines 7629 7761 +132
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+ Hits 7544 7661 +117
- Misses 85 100 +15
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willmcgugan
requested review from
darrenburns and
olivierphi
and removed request for
olivierphi and
darrenburns
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Fixes a performance bug in the Style class.
Essentially the hash calculation was inconsistent. Things that were equal would sometimes have different hashes. I noticed this when adding
lru_cachetoStyle.__add__. What should have been an easy win caused dramatically reduced performance, because it broken the mechanics of storing Styles in a dict.The hashing is now in once place. It is also lazy, so the hash is stored the first time it is used.