| """Download one release artifact from PyPI and unpack it into a fresh directory. |
| |
| Preference: pure wheel (py3-none-any) > cp312 manylinux x86_64 wheel > any wheel > sdist. |
| Returns (unpack_dir, artifact_filename, top_level_names). |
| """ |
| import json, os, re, shutil, sys, tarfile, urllib.request, zipfile |
| from pathlib import Path |
|
|
|
|
| def _score(f): |
| fn = f["filename"] |
| if f["packagetype"] == "bdist_wheel": |
| if fn.endswith("-none-any.whl"): |
| return 0 |
| if "cp312" in fn and "manylinux" in fn and "x86_64" in fn: |
| return 1 |
| if "abi3" in fn and "manylinux" in fn and "x86_64" in fn: |
| return 2 |
| return 3 |
| if f["packagetype"] == "sdist": |
| return 4 |
| return 9 |
|
|
|
|
| def choose(project, version): |
| with urllib.request.urlopen(f"https://pypi.org/pypi/{project}/{version}/json", timeout=60) as r: |
| data = json.load(r) |
| files = [f for f in data["urls"] if not f.get("yanked_files")] |
| files.sort(key=_score) |
| if not files: |
| raise RuntimeError("no files") |
| return files[0] |
|
|
|
|
| def fetch(project, version, dest): |
| dest = Path(dest) |
| if dest.exists(): |
| shutil.rmtree(dest) |
| dest.mkdir(parents=True) |
| f = choose(project, version) |
| arc = dest.parent / (dest.name + "__" + f["filename"]) |
| urllib.request.urlretrieve(f["url"], arc) |
| if f["filename"].endswith((".whl", ".zip")): |
| with zipfile.ZipFile(arc) as z: |
| z.extractall(dest) |
| root = dest |
| else: |
| with tarfile.open(arc) as t: |
| t.extractall(dest, filter="data") |
| subs = [p for p in dest.iterdir() if p.is_dir()] |
| root = subs[0] if len(subs) == 1 else dest |
| |
| if (root / "src").is_dir(): |
| root = root / "src" |
| arc.unlink() |
| return root, f["filename"], top_level(root, sdist=f["packagetype"] == "sdist") |
|
|
|
|
| def top_level(root, sdist=False): |
| root = Path(root) |
| names = set() |
| for p in root.iterdir(): |
| if p.name.endswith((".dist-info", ".data", ".egg-info")) or p.name.startswith("."): |
| continue |
| if p.is_dir() and re.fullmatch(r"[A-Za-z_][A-Za-z0-9_]*", p.name): |
| if any(p.rglob("*.py")) or any(p.rglob("*.pyi")): |
| names.add(p.name) |
| elif p.suffix in (".py", ".pyi") and p.stem not in ("setup", "conftest", "noxfile", "tasks"): |
| names.add(p.stem) |
| |
| if sdist: |
| names -= {"tests", "test", "docs", "doc", "examples", "benchmarks", "scripts", "tools", "build"} |
| else: |
| names -= {"tests", "test"} |
| return sorted(names) |
|
|
|
|
| if __name__ == "__main__": |
| print(fetch(sys.argv[1], sys.argv[2], sys.argv[3])) |
|
|
