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Commit | Line | Data |
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e5af758b CB |
1 | #!/usr/bin/env python3 |
2 | # SPDX-License-Identifier: LGPL-2.1-or-later | |
3 | ||
4 | import ast | |
5 | import os | |
6 | import re | |
7 | import sys | |
8 | ||
9 | import jinja2 | |
10 | ||
11 | def parse_config_h(filename): | |
12 | # Parse config.h file generated by meson. | |
13 | ans = {} | |
14 | for line in open(filename): | |
15 | m = re.match(r'#define\s+(\w+)\s+(.*)', line) | |
16 | if not m: | |
17 | continue | |
18 | a, b = m.groups() | |
19 | if b and b[0] in '0123456789"': | |
20 | b = ast.literal_eval(b) | |
21 | ans[a] = b | |
22 | return ans | |
23 | ||
24 | def render(filename, defines): | |
25 | text = open(filename).read() | |
26 | template = jinja2.Template(text, trim_blocks=True, undefined=jinja2.StrictUndefined) | |
27 | return template.render(defines) | |
28 | ||
29 | if __name__ == '__main__': | |
30 | defines = parse_config_h(sys.argv[1]) | |
31 | output = render(sys.argv[2], defines) | |
32 | with open(sys.argv[3], 'w') as f: | |
33 | f.write(output) | |
34 | info = os.stat(sys.argv[2]) | |
35 | os.chmod(sys.argv[3], info.st_mode) |