Source code for keyword

#! /usr/bin/env python

"""Keywords (from "graminit.c")

This file is automatically generated; please don't muck it up!

To update the symbols in this file, 'cd' to the top directory of
the python source tree after building the interpreter and run:

    ./python Lib/keyword.py
"""

__all__ = ["iskeyword", "kwlist"]

kwlist = [
#--start keywords--
        'and',
        'as',
        'assert',
        'break',
        'class',
        'continue',
        'def',
        'del',
        'elif',
        'else',
        'except',
        'exec',
        'finally',
        'for',
        'from',
        'global',
        'if',
        'import',
        'in',
        'is',
        'lambda',
        'not',
        'or',
        'pass',
        'print',
        'raise',
        'return',
        'try',
        'while',
        'with',
        'yield',
#--end keywords--
        ]

iskeyword = frozenset(kwlist).__contains__

[docs]def main(): import sys, re 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) # write the output file fp = open(optfile, 'w') fp.write(''.join(format)) fp.close()
if __name__ == "__main__": main()