mirror of
https://github.com/pypiserver/pypiserver
synced 2024-11-09 16:45:51 +01:00
89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
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#!/usr/bin/env python3
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"""Output expected docker tags to build in CI."""
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import json
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import typing as t
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import re
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from argparse import ArgumentParser, Namespace
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RELEASE_RE = re.compile(r"v[0-9]+\.[0-9]+\.[0-9]+(\.post[0-9]+)?")
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PRE_RELEASE_RE = re.compile(r"v[0-9]+\.[0-9]+\.[0-9]+(a|b|c|\.?dev)[0-9]+")
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def parse_args() -> Namespace:
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"""Parse cmdline args."""
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parser = ArgumentParser()
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parser.add_argument(
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"ref",
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help=(
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"The github ref for which CI is running. This may be a full ref "
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"like refs/tags/v1.2.3 or refs/heads/master, or just a tag/branch "
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"name like v1.2.3 or master."
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),
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)
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parser.add_argument(
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"action",
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help=("The action to perform"),
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choices=("docker_tags", "pypi_release", "has_tags"),
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)
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return parser.parse_args()
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def strip_ref_to_name(ref: str) -> str:
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"""Strip a full ref to a name."""
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strips = ("refs/heads/", "refs/tags/")
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for strip in strips:
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if ref.startswith(strip):
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return ref[len(strip) :]
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return ref
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def name_to_array(name: str) -> t.Tuple[str, ...]:
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"""Convert a ref name to an array of tags to build."""
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tags: t.Dict[str, t.Callable[[str], bool]] = {
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# unstable for any master build
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"unstable": lambda i: i == "master",
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# latest goes for full releases
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"latest": lambda i: RELEASE_RE.fullmatch(i) is not None,
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# the tag itself for any release or pre-release tag
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name: lambda i: (
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RELEASE_RE.fullmatch(i) is not None
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or PRE_RELEASE_RE.fullmatch(i) is not None
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),
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}
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return tuple(tag for tag, test in tags.items() if test(name))
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def ref_to_json(ref: str) -> str:
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"""Convert a ref to a JSON array and return it as a string."""
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array = name_to_array(strip_ref_to_name(ref))
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return json.dumps(array)
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def should_deploy_to_pypi(ref: str) -> str:
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"""Return a JSON bool indicating whether we should deploy to PyPI."""
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name = strip_ref_to_name(ref)
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return json.dumps(
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RELEASE_RE.fullmatch(name) is not None
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or PRE_RELEASE_RE.fullmatch(name) is not None
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)
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def main() -> None:
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"""Parse args and print the JSON array."""
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args = parse_args()
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action_switch: t.Dict[str, t.Callable[[], None]] = {
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"docker_tags": lambda: print(ref_to_json(args.ref)),
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"has_tags": lambda: print(
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json.dumps(len(name_to_array(strip_ref_to_name(args.ref))) > 0)
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),
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"pypi_release": lambda: print(should_deploy_to_pypi(args.ref)),
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}
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action_switch[args.action]()
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if __name__ == "__main__":
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main()
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