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#!/usr/bin/env python
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#
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# check-perf-code - (historical) portability checker for contrib/perf.py
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from __future__ import absolute_import
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import os
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import sys
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# write static check patterns here
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perfpypats = [
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[
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(r'(branchmap|repoview)\.subsettable',
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"use getbranchmapsubsettable() for early Mercurial"),
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(r'\.(vfs|svfs|opener|sopener)',
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"use getvfs()/getsvfs() for early Mercurial"),
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(r'ui\.configint',
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"use getint() instead of ui.configint() for early Mercurial"),
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],
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# warnings
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[
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]
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]
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def modulewhitelist(names):
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replacement = [('.py', ''), ('.c', ''), # trim suffix
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('mercurial%s' % (os.sep), ''), # trim "mercurial/" path
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]
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ignored = set(['__init__'])
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modules = {}
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# convert from file name to module name, and count # of appearances
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for name in names:
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name = name.strip()
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for old, new in replacement:
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name = name.replace(old, new)
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if name not in ignored:
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modules[name] = modules.get(name, 0) + 1
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# list up module names, which appear multiple times
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whitelist = []
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for name, count in modules.items():
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if count > 1:
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whitelist.append(name)
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return whitelist
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if __name__ == "__main__":
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# in this case, it is assumed that result of "hg files" at
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# multiple revisions is given via stdin
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whitelist = modulewhitelist(sys.stdin)
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assert whitelist, "module whitelist is empty"
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# build up module whitelist check from file names given at runtime
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perfpypats[0].append(
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# this matching pattern assumes importing modules from
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# "mercurial" package in the current style below, for simplicity
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#
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# from mercurial import (
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# foo,
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# bar,
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# baz
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# )
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((r'from mercurial import [(][a-z0-9, \n#]*\n(?! *%s,|^[ #]*\n|[)])'
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% ',| *'.join(whitelist)),
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"import newer module separately in try clause for early Mercurial"
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))
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# import contrib/check-code.py as checkcode
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assert 'RUNTESTDIR' in os.environ, "use check-perf-code.py in *.t script"
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contribpath = os.path.join(os.environ['RUNTESTDIR'], '..', 'contrib')
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sys.path.insert(0, contribpath)
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checkcode = __import__('check-code')
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# register perf.py specific entry with "checks" in check-code.py
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checkcode.checks.append(('perf.py', r'contrib/perf.py$', '',
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checkcode.pyfilters, perfpypats))
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sys.exit(checkcode.main())
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