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import re
from paver.easy import task, path as Path
import pip
def remove_all(paths):
for path in paths:
path.rmtree() if path.isdir() else path.remove()
@task
def update_vendored():
vendor = Path('pkg_resources/_vendor')
# pip uninstall doesn't support -t, so do it manually
remove_all(vendor.glob('packaging*'))
remove_all(vendor.glob('six*'))
remove_all(vendor.glob('pyparsing*'))
remove_all(vendor.glob('appdirs*'))
install_args = [
'install',
'-r', str(vendor / 'vendored.txt'),
'-t', str(vendor),
]
pip.main(install_args)
packaging = vendor / 'packaging'
for file in packaging.glob('*.py'):
text = file.text()
text = re.sub(r' (pyparsing|six)', r' pkg_resources.extern.\1', text)
file.write_text(text)
remove_all(vendor.glob('*.dist-info'))
remove_all(vendor.glob('*.egg-info'))
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