45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
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#!/usr/bin/env python3
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import sys
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import json
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import re
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from packaging import version
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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['dependencies'].keys()) + list(package_json['devDependencies'].keys())
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def read_installed_pkgs(yarn_lock_path):
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with open(yarn_lock_path) as f:
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lockfile = f.read()
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return re.findall(r'^"?' # can start with a "
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r'(.+?)@.+(?:,.*)?:\n' # characters up to @
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r' version "(.+)"', # and the version
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lockfile, re.MULTILINE)
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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 = [version.parse(pkg_version)
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for pkg_name, pkg_version in installed_pkgs if pkg_name == declared_pkg]
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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 = read_declared_pkgs(f"{package_dir}/package.json")
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installed_pkgs = 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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