upstream/mercurial-mirror Files · contrib/fuzz/revlog_corpus.py

setup: build extensions in parallel by default...

setup: build extensions in parallel by default The build_ext distutils command in Python 3.5+ has a "parallel" option that controls whether to build extensions in parallel. It is disabled by default (None) and can be set to an integer value for number of cores or True to indicate use all available CPU cores. This commit changes our build_ext command override to set "parallel" to True unless a value has been provided by the caller. On my machine, this makes `python setup.py build_ext` 1-4s faster. It is worth noting that at this time, each individual source file constituting the extension is still built serially. For Mercurial, this means that we can't build faster than the slowest-to-build extension, which is the zstd extension by a long shot. This means that setup.py is still not very efficient at utilizing multiple cores. But we're better than before. Differential Revision: https://phab.mercurial-scm.org/D6923 # no-check-commit because of foo_bar naming

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        Augie Fackler
    
fuzz: new fuzzer for revlog's parse_index2 method...

              r41050
            
      from __future__ import absolute_import, print_function

      import argparse

      import os

      import zipfile

      ap = argparse.ArgumentParser()

      ap.add_argument("out", metavar="some.zip", type=str, nargs=1)

      args = ap.parse_args()

      reporoot = os.path.normpath(os.path.join(os.path.dirname(__file__),

                                               '..', '..'))

      # typically a standalone index

      changelog = os.path.join(reporoot, '.hg', 'store', '00changelog.i')

      # an inline revlog with only a few revisions

      contributing = os.path.join(

          reporoot, '.hg', 'store', 'data', 'contrib', 'fuzz', 'mpatch.cc.i')

      print(changelog, os.path.exists(changelog))

      print(contributing, os.path.exists(contributing))

      with zipfile.ZipFile(args.out[0], "w", zipfile.ZIP_STORED) as zf:

          if os.path.exists(changelog):

              with open(changelog) as f:

                  zf.writestr("00changelog.i", f.read())

          if os.path.exists(contributing):

              with open(contributing) as f:

                  zf.writestr("contributing.i", f.read())

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Augie Fackler fuzz: new fuzzer for revlog's parse_index2 method...	r41050	from __future__ import absolute_import, print_function

		import argparse
		import os
		import zipfile

		ap = argparse.ArgumentParser()
		ap.add_argument("out", metavar="some.zip", type=str, nargs=1)
		args = ap.parse_args()

		reporoot = os.path.normpath(os.path.join(os.path.dirname(__file__),
		'..', '..'))
		# typically a standalone index
		changelog = os.path.join(reporoot, '.hg', 'store', '00changelog.i')
		# an inline revlog with only a few revisions
		contributing = os.path.join(
		reporoot, '.hg', 'store', 'data', 'contrib', 'fuzz', 'mpatch.cc.i')

		print(changelog, os.path.exists(changelog))
		print(contributing, os.path.exists(contributing))

		with zipfile.ZipFile(args.out[0], "w", zipfile.ZIP_STORED) as zf:
		if os.path.exists(changelog):
		with open(changelog) as f:
		zf.writestr("00changelog.i", f.read())
		if os.path.exists(contributing):
		with open(contributing) as f:
		zf.writestr("contributing.i", f.read())