args = sys.argv[1:] iptfile = args and args[0] or "Python/graminit.c" if len(args) > 1: optfile = args[1] else: optfile = "Lib/keyword.py"
# scan the source file for keywords fp = open(iptfile) strprog = re.compile('"([^"]+)"') lines = [] for line in fp: if '{1, "' in line: match = strprog.search(line) if match: lines.append(" '" + match.group(1) + "',\n") fp.close() lines.sort()
# load the output skeleton from the target fp = open(optfile) format = fp.readlines() fp.close()
# insert the lines of keywords try: start = format.index("#--start keywords--\n") + 1 end = format.index("#--end keywords--\n") format[start:end] = lines except ValueError: sys.stderr.write("target does not contain format markers\n") sys.exit(1)