1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#!/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()
# The function ast.literal_eval() cannot evaluate octal integers, e.g. 0600.
# So, it is intentional that the string below does not contain '0'.
if b and (b[0] in '123456789"' or b == '0'):
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])
output = render(sys.argv[2], defines)
with open(sys.argv[3], 'w') as f:
f.write(output)
info = os.stat(sys.argv[2])
os.chmod(sys.argv[3], info.st_mode)
if __name__ == '__main__':
main()
|
