#! /usr/bin/env python

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

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

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To update the symbols in this file, 'cd' to the top directory of

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the python source tree after building the interpreter and run:

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./python Lib/keyword.py

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"""

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__all__ = ["iskeyword", "kwlist"]

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kwlist = [

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#--start keywords--

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'and',

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'as',

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'assert',

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'break',

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'class',

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'continue',

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'def',

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'del',

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'elif',

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'else',

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'except',

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'exec',

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'finally',

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'for',

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'from',

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'global',

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'if',

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'import',

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'in',

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'is',

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'lambda',

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'not',

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'or',

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'pass',

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'print',

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'raise',

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'return',

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'try',

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'while',

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'with',

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'yield',

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#--end keywords--

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]

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iskeyword = frozenset(kwlist).__contains__

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def main():

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import sys, re

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args = sys.argv[1:]

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iptfile = args and args[0] or "Python/graminit.c"

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if len(args) > 1: optfile = args[1]

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else: optfile = "Lib/keyword.py"

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# scan the source file for keywords

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fp = open(iptfile)

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

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lines = []

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for line in fp:

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if '{1, "' in line:

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match = strprog.search(line)

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if match:

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

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fp.close()

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lines.sort()

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# load the output skeleton from the target

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fp = open(optfile)

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format = fp.readlines()

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fp.close()

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# insert the lines of keywords

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try:

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start = format.index("#--start keywords--\n") + 1

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end = format.index("#--end keywords--\n")

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format[start:end] = lines

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except ValueError:

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sys.stderr.write("target does not contain format markers\n")

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sys.exit(1)

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# write the output file

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fp = open(optfile, 'w')

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fp.write(''.join(format))

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fp.close()

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if __name__ == "__main__":

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main()

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