http://bugs.python.org/issue13032

import sys, re, getopt, os

p_macro = re.compile(

ignores = [p_comment, p_cpp_comment]

filedict = {}

importable = {}

try:

except KeyError:

try:

except KeyError:

try:

except KeyError:

pass

opts, args = getopt.getopt(sys.argv[1:], 'i:')

for o, a in opts:

if o == '-i':

if not args:

args = ['-']

for filename in args:

if filename == '-':

sys.stdout.write('# Generated by h2py from stdin\n')

else:

outfile = os.path.basename(filename)

if i > 0: outfile = outfile[:i]

modname = outfile.upper()

filedict = {}

for dir in searchdirs:

if filename[:len(dir)] == dir:

def pytify(body):

# replace ignored patterns by spaces

for p in ignores:

# replace char literals by ord(...)

# Compute negative hexadecimal constants

start = 0

UMAX = 2*(sys.maxsize+1)

val = int(body[slice(*m.span(1))], 16)

if val > sys.maxsize:

val -= UMAX

start = s + 1

return body

match = p_define.match(line)

if match:

# gobble up continuation lines

nextline = fp.readline()

if not nextline: break

lineno = lineno + 1

body = line[match.end():]

body = pytify(body)

ok = 0

try:

exec(stmt, env)

except:

else:

outfp.write(stmt)

match = p_macro.match(line)

macro, arg = match.group(1, 2)

body = line[match.end():]

body = pytify(body)

try:

exec(stmt, env)

except:

else:

outfp.write(stmt)

match = p_include.match(line)

a, b = regs[1]

filename = line[a:b]

if filename in importable:

elif filename not in filedict:

filedict[filename] = None

inclfp = None

for dir in searchdirs:

try:

break

except IOError:

pass

if inclfp:

outfp.write(

process(inclfp, outfp, env)

else:

if __name__ == '__main__':

main()