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gh-89792: Prevent test_tools from copying 1000M of "source" in freeze test #101837

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Merged
gpshead merged 2 commits into from
Feb 12, 2023
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gh-89792: Prevent test_tools from copying 1000M of "source" in freeze test #101837

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14e06bd
Prevent test_tools from copying 1000M of "source"
gpshead Feb 12, 2023
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NEWS entry
gpshead Feb 12, 2023
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Prevent test_tools from copying 1000M of "source" 
It doesn't need a git repo, just the checkout.  We skip .git metadata,
Doc/build, Doc/venv, and __pycache__ subdirs, that developers often have in
their clients to reduce the size of the source tree copy ten-fold.
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@gpshead
gpshead committed Feb 12, 2023
commit 14e06bd4eb191d5b7f57354da05bff20be80930a
14 changes: 13 additions & 1 deletion Tools/freeze/test/freeze.py
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Expand Up @@ -80,7 +80,19 @@ def copy_source_tree(newroot, oldroot):
if newroot == SRCDIR:
raise Exception('this probably isn\'t what you wanted')
shutil.rmtree(newroot)
shutil.copytree(oldroot, newroot)

def ignore_non_src(src, names):
"""Turns what could be a 1000M copy into a 100M copy."""
# Don't copy the ~600M+ of needless git repo metadata.
# source only, ignore cached .pyc files.
subdirs_to_skip = {'.git', '__pycache__'}
if os.path.basename(src) == 'Doc':
# Another potential ~250M+ of non test related data.
subdirs_to_skip.add('build')
subdirs_to_skip.add('venv')
return subdirs_to_skip

shutil.copytree(oldroot, newroot, ignore=ignore_non_src)
if os.path.exists(os.path.join(newroot, 'Makefile')):
_run_quiet([MAKE, 'clean'], newroot)

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