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from importlib.metadata import PathDistribution
from pathlib import Path
import collections
import sys
import os
do_abort = False
packages = collections.defaultdict(list)
out_path = Path(os.getenv("out"))
version = sys.version_info
site_packages_path = f'lib/python{version[0]}.{version[1]}/site-packages'
def find_packages(store_path, site_packages_path):
site_packages = (store_path / site_packages_path)
propagated_build_inputs = (store_path / "nix-support/propagated-build-inputs")
if site_packages.exists():
for dist_info in site_packages.glob("*.dist-info"):
dist = PathDistribution(dist_info)
packages[dist._normalized_name].append(
f"{dist._normalized_name} {dist.version} ({dist._path})"
)
if propagated_build_inputs.exists():
with open(propagated_build_inputs, "r") as f:
build_inputs = f.read().strip().split(" ")
for build_input in build_inputs:
find_packages(Path(build_input), site_packages_path)
find_packages(out_path, site_packages_path)
for name, duplicates in packages.items():
if len(duplicates) > 1:
do_abort = True
print("Found duplicated packages in closure for dependency '{}': ".format(name))
for duplicate in duplicates:
print(f"\t{duplicate}")
if do_abort:
print("")
print(
"Package duplicates found in closure, see above. Usually this "
"happens if two packages depend on different version "
"of the same dependency."
)
sys.exit(1)
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