#! /usr/bin/env python3

"""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--

"False",

"None",

"True",

"and",

"as",

"assert",

"break",

"class",

"continue",

"def",

"del",

"elif",

"else",

"except",

"finally",

"for",

"from",

"global",

"if",

"import",

"in",

"is",

"lambda",

"nonlocal",

"not",

"or",

"pass",

"raise",

"return",

"try",

"while",

"with",

"yield",

# --end keywords--

]

frozenset = set

iskeyword = frozenset(kwlist).__contains__

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

with open(iptfile) as fp:

strprog = re.compile('"([^"]+)"')

lines = []

for line in fp:

if '{1, "' in line:

match = strprog.search(line)

if match:

lines.append(" '" + match.group(1) + "',\n")

lines.sort()

# load the output skeleton from the target

with open(optfile) as fp:

format = fp.readlines()

# 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()