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