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73 lines
2.5 KiB
73 lines
2.5 KiB
2 months ago
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#!/usr/bin/env python3
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#
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# generates Provides: bundled(npm(...)) = ... lines for each declared dependency and devDependency of package.json
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#
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import os
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import sys
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import json
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import yaml
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from packaging import version
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def scan_package_json(package_dir):
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for root, dirs, files in os.walk(package_dir, topdown=True):
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dirs[:] = [d for d in dirs if d not in ["node_modules", "vendor"]]
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if "package.json" in files:
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yield os.path.join(root, "package.json")
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def read_declared_pkgs(package_json_path):
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with open(package_json_path) as f:
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package_json = json.load(f)
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return list(package_json.get("dependencies", {}).keys()) + list(
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package_json.get("devDependencies", {}).keys()
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)
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def read_installed_pkgs(yarn_lock_path):
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bad_version_strings = ['0.0.0-use.local', '7.0.1-patch.1']
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with open(yarn_lock_path) as f:
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lockfile = yaml.safe_load(f)
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for pkg_decl, meta in lockfile.items():
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for pkg in pkg_decl.split(", "):
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if ":" not in pkg:
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continue
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pkg_name = pkg[: pkg.index("@", 1)]
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pkg_version = meta["version"]
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if pkg_version not in bad_version_strings:
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yield (pkg_name, pkg_version)
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def list_provides(declared_pkgs, installed_pkgs):
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for declared_pkg in declared_pkgs:
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# there can be multiple versions installed of one package (transitive dependencies)
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# but rpm doesn't support Provides: with a single package and multiple versions
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# so let's declare the oldest version here
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versions = [
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version.parse(pkg_version)
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for pkg_name, pkg_version in installed_pkgs
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if pkg_name == declared_pkg
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]
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if not versions:
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print(f"warning: {declared_pkg} missing in yarn.lock", file=sys.stderr)
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continue
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oldest_version = sorted(versions)[0]
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yield f"Provides: bundled(npm({declared_pkg})) = {oldest_version}"
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print(f"usage: {sys.argv[0]} package-X.Y.Z/", file=sys.stdout)
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sys.exit(1)
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package_dir = sys.argv[1]
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declared_pkgs = set()
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for package_json_path in scan_package_json(package_dir):
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declared_pkgs.update(read_declared_pkgs(package_json_path))
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installed_pkgs = list(read_installed_pkgs(f"{package_dir}/yarn.lock"))
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provides = list_provides(declared_pkgs, installed_pkgs)
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for provide in sorted(provides):
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print(provide)
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