fixheader.py

#! /usr/bin/env python

# Add some standard cpp magic to a header file

importsys

defmain():
args=sys.argv[1:]
forfilenameinargs:
process(filename)

defprocess(filename):
try:
f=open(filename, 'r')
exceptIOError, msg:
sys.stderr.write('%s: can\'t open: %s\n'% (filename, str(msg)))
return
data=f.read()
f.close()
ifdata[:2] <>'/*':
sys.stderr.write('%s does not begin with C comment\n'%filename)
return
try:
f=open(filename, 'w')
exceptIOError, msg:
sys.stderr.write('%s: can\'t write: %s\n'% (filename, str(msg)))
return
sys.stderr.write('Processing %s ...\n'%filename)
magic='Py_'
forcinfilename:
iford(c)<=0x80andc.isalnum():
magic=magic+c.upper()
else: magic=magic+'_'
sys.stdout=f
print'#ifndef', magic
print'#define', magic
print'#ifdef __cplusplus'
print'extern "C" {'
print'#endif'
print
f.write(data)
print
print'#ifdef __cplusplus'
print'}'
print'#endif'
print'#endif /*', '!'+magic, '*/'

if__name__=='__main__':
main()