Fix performance regression with per-file-ignores

With a large number of errors, filenames, and per-file-ignores the style guide
selection would take a significant portion of execution time
(python3 70% / python2 99.9%).

Caching the styleguide lookup by filename eliminates this bottleneck.
This commit is contained in:
Anthony Sottile 2019-01-31 09:18:17 -08:00
parent ee7081c8ce
commit c85b282b05
3 changed files with 8 additions and 9 deletions

View file

@ -11,6 +11,7 @@ requires-dist =
enum34; python_version<"3.4"
typing; python_version<"3.5"
configparser; python_version<"3.2"
functools32; python_version<"3.2"
entrypoints >= 0.3.0, < 0.4.0
pyflakes >= 2.1.0, < 2.2.0
pycodestyle >= 2.5.0, < 2.6.0