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"""
Helper script to rebuild virtualenv_support. Downloads the wheel files using pip
"""
import glob
import os
import subprocess
def virtualenv_support_path():
return os.path.join(os.path.dirname(__file__), "../src/virtualenv_support")
def collect_wheels():
for file in glob.glob(virtualenv_support_path() + "/*.whl"):
name, version = os.path.basename(file).split("-")[:2]
yield file, name, version
def remove_wheel_files():
old_versions = {}
for file, name, version in collect_wheels():
old_versions[name] = version
os.remove(file)
return old_versions
def download(package):
subprocess.call(["pip", "download", "-d", virtualenv_support_path(), package])
def run():
old = remove_wheel_files()
for package in ("pip", "wheel", "setuptools"):
download(package)
new = {name: version for _, name, version in collect_wheels()}
changes = []
for package, version in old.items():
if new[package] != version:
changes.append((package, version, new[package]))
print("\n".join(" * upgrade {} from {} to {}".format(p, o, n) for p, o, n in changes))
if __name__ == "__main__":
run()
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