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import re
import sys
import subprocess
from path import Path
def remove_all(paths):
for path in paths:
path.rmtree() if path.isdir() else path.remove()
def update_vendored():
update_pkg_resources()
update_setuptools()
def rewrite_packaging(pkg_files, new_root):
"""
Rewrite imports in packaging to redirect to vendored copies.
"""
for file in pkg_files.glob('*.py'):
text = file.text()
text = re.sub(r' (pyparsing)', rf' {new_root}.\1', text)
text = text.replace(
'from six.moves.urllib import parse',
'from urllib import parse',
)
file.write_text(text)
def rewrite_jaraco_text(pkg_files, new_root):
"""
Rewrite imports in jaraco.text to redirect to vendored copies.
"""
for file in pkg_files.glob('*.py'):
text = file.read_text()
text = re.sub(r' (jaraco\.)', rf' {new_root}.\1', text)
text = re.sub(r' (importlib_resources)', rf' {new_root}.\1', text)
file.write_text(text)
def rewrite_jaraco(pkg_files, new_root):
"""
Rewrite imports in jaraco.functools to redirect to vendored copies.
"""
for file in pkg_files.glob('*.py'):
text = file.read_text()
text = re.sub(r' (more_itertools)', rf' {new_root}.\1', text)
file.write_text(text)
def rewrite_importlib_resources(pkg_files, new_root):
"""
Rewrite imports in importlib_resources to redirect to vendored copies.
"""
for file in pkg_files.glob('*.py'):
text = file.read_text().replace('importlib_resources.abc', '.abc')
text = text.replace('zipp', '..zipp')
file.write_text(text)
def clean(vendor):
"""
Remove all files out of the vendor directory except the meta
data (as pip uninstall doesn't support -t).
"""
remove_all(
path
for path in vendor.glob('*')
if path.basename() != 'vendored.txt'
)
def install(vendor):
clean(vendor)
install_args = [
sys.executable,
'-m', 'pip',
'install',
'-r', str(vendor / 'vendored.txt'),
'-t', str(vendor),
]
subprocess.check_call(install_args)
(vendor / '__init__.py').write_text('')
def update_pkg_resources():
vendor = Path('pkg_resources/_vendor')
install(vendor)
rewrite_packaging(vendor / 'packaging', 'pkg_resources.extern')
rewrite_jaraco_text(vendor / 'jaraco/text', 'pkg_resources.extern')
rewrite_jaraco(vendor / 'jaraco', 'pkg_resources.extern')
rewrite_importlib_resources(vendor / 'importlib_resources', 'pkg_resources.extern')
def update_setuptools():
vendor = Path('setuptools/_vendor')
install(vendor)
rewrite_packaging(vendor / 'packaging', 'setuptools.extern')
__name__ == '__main__' and update_vendored()
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