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1import re
2import sys
3
4# Write the config.c file
5
6never = ['marshal', '_imp', '_ast', '__main__', 'builtins',
7         'sys', 'gc', '_warnings']
8
9def makeconfig(infp, outfp, modules, with_ifdef=0):
10    m1 = re.compile('-- ADDMODULE MARKER 1 --')
11    m2 = re.compile('-- ADDMODULE MARKER 2 --')
12    for line in infp:
13        outfp.write(line)
14        if m1 and m1.search(line):
15            m1 = None
16            for mod in modules:
17                if mod in never:
18                    continue
19                if with_ifdef:
20                    outfp.write("#ifndef PyInit_%s\n"%mod)
21                outfp.write('extern PyObject* PyInit_%s(void);\n' % mod)
22                if with_ifdef:
23                    outfp.write("#endif\n")
24        elif m2 and m2.search(line):
25            m2 = None
26            for mod in modules:
27                if mod in never:
28                    continue
29                outfp.write('\t{"%s", PyInit_%s},\n' %
30                            (mod, mod))
31    if m1:
32        sys.stderr.write('MARKER 1 never found\n')
33    elif m2:
34        sys.stderr.write('MARKER 2 never found\n')
35
36
37# Test program.
38
39def test():
40    if not sys.argv[3:]:
41        print('usage: python makeconfig.py config.c.in outputfile', end=' ')
42        print('modulename ...')
43        sys.exit(2)
44    if sys.argv[1] == '-':
45        infp = sys.stdin
46    else:
47        infp = open(sys.argv[1])
48    if sys.argv[2] == '-':
49        outfp = sys.stdout
50    else:
51        outfp = open(sys.argv[2], 'w')
52    makeconfig(infp, outfp, sys.argv[3:])
53    if outfp != sys.stdout:
54        outfp.close()
55    if infp != sys.stdin:
56        infp.close()
57
58if __name__ == '__main__':
59    test()
60