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"""
Extraction and file list generation for pip.
"""
__author__ = "Steve Dower <steve.dower@python.org>"
__version__ = "3.8"
import os
import shutil
import subprocess
import sys
__all__ = []
def public(f):
__all__.append(f.__name__)
return f
@public
def get_pip_dir(ns):
if ns.copy:
if ns.zip_lib:
return ns.copy / "packages"
return ns.copy / "Lib" / "site-packages"
else:
return ns.temp / "packages"
@public
def extract_pip_files(ns):
dest = get_pip_dir(ns)
dest.mkdir(parents=True, exist_ok=True)
src = ns.source / "Lib" / "ensurepip" / "_bundled"
ns.temp.mkdir(parents=True, exist_ok=True)
wheels = [shutil.copy(whl, ns.temp) for whl in src.glob("*.whl")]
search_path = os.pathsep.join(wheels)
if os.environ.get("PYTHONPATH"):
search_path += ";" + os.environ["PYTHONPATH"]
env = os.environ.copy()
env["PYTHONPATH"] = search_path
output = subprocess.check_output(
[
sys.executable,
"-m",
"pip",
"--no-color",
"install",
"pip",
"setuptools",
"--upgrade",
"--target",
str(dest),
"--no-index",
"--no-cache-dir",
"-f",
str(src),
"--only-binary",
":all:",
],
env=env,
)
try:
shutil.rmtree(dest / "bin")
except OSError:
pass
for file in wheels:
try:
os.remove(file)
except OSError:
pass
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