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#!/usr/bin/env python3
import datetime
import fnmatch
import os
import re
import subprocess
from textwrap import wrap
PROJECT = os.path.dirname(__file__)
EXTENSIONS = ('.c', '.cpp', '.h', '.nsi', '.rc')
START_YEAR = 2017
CURRENT_YEAR = datetime.date.today().year
reignore = re.compile('^vendor/|.*/shader/|.*/d3d12.h$')
recopyright = re.compile(r'\A/\*.*?\*/\s+', re.DOTALL)
project_name = 'Looking Glass'
copyright = f'Copyright © {START_YEAR}-{CURRENT_YEAR} The Looking Glass Authors'
project_url = 'https://looking-glass.io'
header = [project_name, copyright, project_url]
paragraphs = ['''\
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.''',
'''\
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.''',
'''\
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA''']
def make_comment_block():
lines = ['/**']
lines += [' * ' + line for line in header]
for paragraph in paragraphs:
lines.append(' *')
lines += wrap(paragraph, width=78, initial_indent=' * ', subsequent_indent=' * ')
lines.append(' */')
return '\n'.join(lines) + '\n\n'
def gen_c_literal():
lines = [''] + header
for paragraph in paragraphs:
lines.append('')
lines += wrap(paragraph, width=79)
lines.append('')
return '\n'.join(f' "{line}\\n"' for line in lines) + '\n'
def update_c_style(file, copyright):
print(f'Updating copyright for {file}...')
with open(file, encoding='utf-8') as f:
data = recopyright.sub('', f.read())
with open(file, 'w', encoding='utf-8') as f:
f.write(copyright)
f.write(data)
def update_config_c(file):
prefix = []
suffix = []
current = prefix
print(f'Refresh embedded copyright string in {file}...')
with open(file, encoding='utf-8') as f:
for line in f:
if '// BEGIN LICENSE BLOCK' in line:
prefix.append(line)
current = []
elif '// END LICENSE BLOCK' in line:
suffix.append(line)
current = suffix
else:
current.append(line)
with open(file, 'w', encoding='utf-8') as f:
f.writelines(prefix)
f.write(gen_c_literal())
f.writelines(suffix)
def appstring_license():
lines = []
for paragraph in paragraphs:
paragraph = wrap(paragraph, width=75)
for line in paragraph[:-1]:
lines.append(f' "{line} "')
lines.append(f' "{paragraph[-1]}\\n"')
lines.append(r' "\n"')
lines.pop()
lines[-1] = f'{lines[-1][:-3]}";'
return lines
def update_appstrings(file):
print(f'Refresh app string in {file}...')
lines = []
with open(file, encoding='utf-8') as f:
f = iter(f)
for line in f:
lines.append(line)
if 'LG_COPYRIGHT_STR' in line:
next(f)
lines.append(f' "{copyright}";\n')
elif 'LG_WEBSITE_STR' in line:
next(f)
lines.append(f' "{project_url}";\n')
elif 'LG_LICENSE_STR' in line:
lines += [f'{line}\n' for line in appstring_license()]
for line in f:
if '";' in line:
break
with open(file, 'w', encoding='utf-8') as f:
f.writelines(lines)
def main():
comment_block = make_comment_block()
files = subprocess.check_output(['git', '-C', PROJECT, 'ls-files', '-z']).decode('utf-8').split('\0')
for file in files:
if reignore.match(file):
continue
if file.endswith(EXTENSIONS):
update_c_style(os.path.join(PROJECT, file), comment_block)
update_config_c(os.path.join(PROJECT, 'client', 'src', 'config.c'))
update_appstrings(os.path.join(PROJECT, 'common', 'src', 'appstrings.c'))
if __name__ == '__main__':
main()
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