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#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
# pylint: disable=consider-using-with
import ast
import os
import re
import sys
import jinja2
def parse_config_h(filename):
# Parse config.h file generated by meson.
ans = {}
for line in open(filename):
m = re.match(r'#define\s+(\w+)\s+(.*)', line)
if not m:
continue
a, b = m.groups()
if b and b[0] in '0123456789"':
b = ast.literal_eval(b)
ans[a] = b
return ans
def render(filename, defines):
text = open(filename).read()
template = jinja2.Template(text,
trim_blocks=True,
lstrip_blocks=True,
keep_trailing_newline=True,
undefined=jinja2.StrictUndefined)
return template.render(defines)
def main():
defines = parse_config_h(sys.argv[1])
defines.update(parse_config_h(sys.argv[2]))
output = render(sys.argv[3], defines)
with open(sys.argv[4], 'w') as f:
f.write(output)
info = os.stat(sys.argv[3])
os.chmod(sys.argv[4], info.st_mode)
if __name__ == '__main__':
main()
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