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Merge branch 'perf_only_one_proc' into 'master'

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Speed up flake8 when only 1 filename is passed

See merge request pycqa/flake8!305
This commit is contained in:
Ian Stapleton Cordasco 2019-02-17 15:23:12 +00:00
commit a21d74152b
2 changed files with 14 additions and 16 deletions
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10
src/flake8/checker.py
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@ -73,7 +73,6 @@ class Manager(object):
self.options = style_guide.options
self.checks = checker_plugins
self.jobs = self._job_count()
self.using_multiprocessing = self.jobs > 1
self.processes = []
self.checkers = []
self.statistics = {
@ -279,7 +278,6 @@ class Manager(object):
except OSError as oserr:
if oserr.errno not in SERIAL_RETRY_ERRNOS:
raise
self.using_multiprocessing = False
self.run_serial()
return
@ -326,16 +324,10 @@ class Manager(object):
fallback to serial processing.
"""
try:
if self.using_multiprocessing:
if self.jobs > 1 and len(self.checkers) > 1:
self.run_parallel()
else:
self.run_serial()
except OSError as oserr:
if oserr.errno not in SERIAL_RETRY_ERRNOS:
LOG.exception(oserr)
raise
LOG.warning("Running in serial after OS exception, %r", oserr)
self.run_serial()
except KeyboardInterrupt:
LOG.warning("Flake8 was interrupted by the user")
raise exceptions.EarlyQuit("Early quit while running checks")