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#!/usr/bin/python3
import os
import sys
default_copyright = 'The Qt Company Ltd.'
default_licenses = (
'BSD-3-clause',
'LGPL-3 or GPL-2',
'GPL-3 with Qt-1.0 exception',
'GFDL-NIV-1.3',
)
licenses_map = {
'BSD': 'BSD-3-clause',
'FDL': 'GFDL-NIV-1.3',
'GPL-EXCEPT': 'GPL-3 with Qt-1.0 exception',
'LGPL': 'LGPL-3 or GPL-2',
'LGPL21': 'LGPL-2.1-or-3 with Qt-1.1 exception',
'LGPL3': 'LGPL-3 or GPL-2+',
'LGPL3-COMM': 'LGPL-3',
}
exclude_prefixes = (
'header',
'.git',
)
start_header = '## BEGIN AUTO GENERATED BLOCK'
end_header = '## END AUTO GENERATED BLOCK'
class CopyrightInfo():
def __init__(self):
self.min_years = {}
self.max_years = {}
self.files = []
def add_file(self, authors, file):
for min_year, max_year, author in authors:
if author in self.min_years:
self.min_years[author] = min(self.min_years[author], min_year)
else:
self.min_years[author] = min_year
if author in self.max_years:
self.max_years[author] = max(self.max_years[author], max_year)
else:
self.max_years[author] = max_year
self.files.append(file)
def get_strings(self, authors):
for author in authors:
min_year = self.min_years[author]
max_year = self.max_years[author]
if min_year == max_year:
yield '%d %s' % (min_year, author)
else:
yield '%d-%d %s' % (min_year, max_year, author)
def canonicalize_author_name(author):
if 'The Qt Company.' in author:
return 'The Qt Company Ltd.'
if 'KDAB' in author:
return 'Klarälvdalens Datakonsult AB, a KDAB Group company'
if 'BlackBerry' in author:
return 'BlackBerry Limited (formerly Research In Motion)'
if 'Research In Motion' in author or 'Research in Motion' in author:
return 'BlackBerry Limited (formerly Research In Motion)'
if 'Green Hills Software' in author:
return 'Green Hills Software'
if 'Ivan Komissarov' in author:
return 'Ivan Komissarov <ABBAPOH@gmail.com>'
if 'Martsum - tmartsum[at]gmail.com' in author:
return 'Thorbjørn Lund Martsum <tmartsum@gmail.com>'
if 'Olivier Goffart' in author:
return 'Olivier Goffart <ogoffart@woboq.com>'
if 'Robin Burchell' in author:
return 'Robin Burchell <robin.burchell@viroteck.net>'
return author
def parse_file(filename):
print(filename, file=sys.stderr)
license = None
authors = []
with open(filename) as file:
try:
data = file.readlines(500)
except UnicodeDecodeError:
return None, None
for line in data:
if line[3:16] == 'Copyright (C)' and line[0] != ' ':
copyright = line[17:-1]
max_year = min_year = int(copyright[:4])
if copyright[4] == '-':
max_year = int(copyright[5:9])
author = copyright[10:]
elif copyright[4:7] == ' - ':
max_year = int(copyright[7:11])
author = copyright[12:]
else:
author = copyright[5:]
author = canonicalize_author_name(author)
authors.append((min_year, max_year, author))
if line[3:21] == '$QT_BEGIN_LICENSE:':
license = licenses_map[line[21:-2]]
return license, authors
def get_source_files(root_directory):
for dirpath, dirnames, filenames in os.walk(root_directory):
for filename in filenames:
full_path = os.path.join(dirpath, filename)
if full_path.startswith('./'):
full_path = full_path[2:]
if any(full_path.startswith(prefix) for prefix in exclude_prefixes):
continue
yield full_path
def format_list(title, strings):
return title + ('\n' + ' ' * len(title)).join(strings)
def main(root_directory):
with open('debian/copyright') as copyright_file:
current_copyright = copyright_file.read()
start_pos = current_copyright.find(start_header) + len(start_header) + 1
start_data = current_copyright[:start_pos]
end_pos = current_copyright.find(end_header) - 1
end_data = current_copyright[end_pos:]
with open('debian/copyright', 'w') as output_file:
output_file.write(start_data)
write_output(root_directory, output_file)
output_file.write(end_data)
def write_output(root_directory, output_file):
data = {}
for filename in get_source_files(root_directory):
license, authors = parse_file(filename)
if license is None:
continue
if license not in data:
data[license] = {}
license_dict = data[license]
authors_tuple = tuple(sorted(author[2] for author in authors))
if authors_tuple not in license_dict:
license_dict[authors_tuple] = CopyrightInfo()
license_dict[authors_tuple].add_file(authors, filename)
for license in sorted(data.keys()):
output_file.write('\n## ' + license + '\n')
license_dict = data[license]
for authors in sorted(license_dict.keys()):
if authors == (default_copyright,) and license in default_licenses:
continue
copyright_info = license_dict[authors]
output_file.write('\n')
output_file.write(format_list('Files: ', sorted(copyright_info.files)) + '\n')
output_file.write(format_list('Copyright: ', copyright_info.get_strings(authors)) + '\n')
output_file.write('License: ' + license + '\n')
if __name__ == '__main__':
main('.')
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