ZacharyZhang-NY
b7fca0146d
ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git), ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.
58 lines
2.7 KiB
Python
58 lines
2.7 KiB
Python
"""Notices of every crate built into packages. Usage: crates.py <package>..."""
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import json
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import pathlib
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import subprocess
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import sys
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NAMES = ("licen", "copying", "notice", "copyright", "unlicense")
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root = pathlib.Path(__file__).resolve().parent.parent
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standard = root / "packaging" / "licenses"
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host = next(line.split()[1] for line in subprocess.run(
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["rustc", "-vV"], check=True, capture_output=True, text=True).stdout.splitlines() if line.startswith("host:"))
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# Only what this machine's build links.
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meta = json.loads(subprocess.run(
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["cargo", "metadata", "--format-version", "1", "--locked", "--filter-platform", host,
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"--manifest-path", str(root / "Cargo.toml")],
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check=True, capture_output=True, text=True).stdout)
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by_id = {package["id"]: package for package in meta["packages"]}
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own = set(meta["workspace_members"])
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nodes = {node["id"]: node for node in meta["resolve"]["nodes"]}
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# What links in: normal edges, for this machine's target.
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wanted, stack = set(), [pid for pid in own if by_id[pid]["name"] in sys.argv[1:]]
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if len(stack) != len(sys.argv) - 1:
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sys.exit(f"crates.py: unknown package among {sys.argv[1:]}")
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while stack:
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pid = stack.pop()
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if pid in wanted:
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continue
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wanted.add(pid)
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for dep in nodes[pid]["deps"]:
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if any(kind["kind"] is None for kind in dep["dep_kinds"]):
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stack.append(dep["pkg"])
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out, missing = [], []
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for pid in sorted(wanted - own, key=lambda pid: (by_id[pid]["name"], by_id[pid]["version"])):
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package = by_id[pid]
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folder = pathlib.Path(package["manifest_path"]).parent
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files = sorted(path for path in folder.iterdir()
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if path.is_file() and path.name.lower().startswith(NAMES))
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if package.get("license_file"):
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files.append(folder / package["license_file"])
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head = f"{package['name']} {package['version']} — {package['license'] or 'no licence field'}"
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out.append("=" * 78 + f"\n{head}\n" + "=" * 78)
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if files:
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out += [f"--- {path.name}\n{path.read_text(errors='replace')}" for path in dict.fromkeys(files)]
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else:
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# No file shipped: the expression's standard text, with its authors.
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ids = (package["license"] or "").replace("(", " ").replace(")", " ").replace("/", " ").split()
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text = next((standard / f"{spdx}.txt" for spdx in ids if (standard / f"{spdx}.txt").is_file()), None)
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if text is None:
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missing.append(head)
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continue
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authors = ", ".join(package["authors"]) or package["name"] + " developers"
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out.append(f"Copyright (c) {authors}\n--- {text.stem}\n{text.read_text()}")
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if missing:
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sys.exit("crates.py: no licence text for:\n " + "\n ".join(missing))
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print("\n".join(out))
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