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#!/usr/bin/python3
"""
Copyright © 2020 Zander Brown <zbrown@gnome.org>
SPDX-License-Identifier: GPL-3.0-or-later
Author: Zander Brown <zbrown@gnome.org>
"""
import re
from os import walk
from os.path import join
from sys import stderr, exit
copyright_re = re.compile("Copyright (?:\(C\)|©) (\d{4}(?:-\d{4})?) (.*)")
add_copyright_re = re.compile("(\d{4}(?:-\d{4})?) (.*)")
spdx_re = re.compile("SPDX-License-Identifier: ([\w\-\.]*)")
accepted_spdx = ["GPL-3.0-or-later"]
def fail(path: str, msg: str):
print(f"FAIL {path}: {msg}", file=stderr)
exit(1)
def handle_file(path: str, filename: str):
header = []
with open(path, "r") as src:
# Only read the first multi-line comment, if any
for line in src:
if line.startswith("/*") or line.startswith(" *"):
header.append(line[2:].strip())
else:
break
header.reverse()
if len(header) < 2:
fail(path, "Expected header")
line = header.pop()
if line != "":
fail(path, f"Unexpected content “{line}”")
copyright_holders = []
while header[-1].startswith("C"):
copyright_line = header.pop()
match = copyright_re.match(copyright_line)
if not match:
fail(path, f"Expected copyright line, got “{copyright_line}”")
else:
copyright_holders.append(match.group(2))
if len(copyright_holders):
# Additional copyright holders
while add_copyright_re.match(header[-1]):
copyright_line = header.pop()
match = add_copyright_re.match(copyright_line)
copyright_holders.append(match.group(2))
copyright_holder = ", ".join(copyright_holders)
line = header.pop()
if line != "":
fail(path, f"Expected blank line before SPDX, got “{line}”")
spdx_line = header.pop()
match = spdx_re.match(spdx_line)
if not match:
fail(path, f"Expected SPDX line, got “{spdx_line}")
elif match.group(1) in accepted_spdx:
spdx = match.group(1)
else:
fail(path, f"Unacceptable SPDX “{match.group(1)}”")
print(f"{filename:>30}: {spdx:<20} {copyright_holder}")
skip_dirs = ["_build", ".git", "subprojects", "contrib", "gtk-list-models"]
for root, dirs, files in walk("."):
for skip in skip_dirs:
if skip in dirs:
dirs.remove(skip)
for file in files:
path = join(root, file)
if path.endswith(".c") or path.endswith(".h"):
handle_file(path, file)
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