mirror of https://github.com/zulip/zulip.git
68 lines
1.8 KiB
Python
Executable File
68 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Check the docs/THIRDPARTY file against the DEP-5 copyright format.
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https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
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Disclaimer: This script is not a lawyer. It cannot validate that the
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claimed licenses are correct. It can only check for basic syntactic
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issues.
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"""
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import difflib
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import io
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import os
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import subprocess
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import sys
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from debian import copyright
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COPYRIGHT_FILENAME = "docs/THIRDPARTY"
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os.chdir(os.path.join(os.path.dirname(__file__), ".."))
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status = 0
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*files, empty = subprocess.check_output(
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["git", "ls-files", "-z"], encoding="utf-8",
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).split("\0")
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assert empty == ""
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files += [
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"static/generated/emoji/images/emoji/unicode/ignore-this-path",
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]
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with open(COPYRIGHT_FILENAME) as f:
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lines = list(f)
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c = copyright.Copyright(lines)
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if not c.header.known_format():
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print(f"{COPYRIGHT_FILENAME}: Unknown header format {c.header.format}")
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status = 1
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defined_licenses = {
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p.license.to_str().split("\n", 1)[0]
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for p in c.all_license_paragraphs()
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if "\n" in p.license.to_str()
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}
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for p in c.all_files_paragraphs():
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for g in p.files:
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if not any(map(copyright.globs_to_re([g]).fullmatch, files)):
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print(f"{COPYRIGHT_FILENAME}: No such file {g}")
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status = 1
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if "\n" not in p.license.to_str() and p.license.to_str() not in defined_licenses:
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print(f"{COPYRIGHT_FILENAME}: Missing license text for {p.license.to_str()}")
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status = 1
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dumped = c.dump()
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if dumped != "".join(lines):
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print(f"{COPYRIGHT_FILENAME}: Changes expected:")
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sys.stdout.writelines(
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difflib.unified_diff(
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lines,
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io.StringIO(dumped).readlines(),
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COPYRIGHT_FILENAME,
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COPYRIGHT_FILENAME,
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),
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)
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status = 1
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sys.exit(status)
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