diff --git a/keyword/keyword.py b/keyword/keyword.py
new file mode 100644
index 000000000..dad39cc37
--- /dev/null
+++ b/keyword/keyword.py
@@ -0,0 +1,93 @@
+#! /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--
+ ]
+
+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()
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