Lib/keyword.py

   1 #! /usr/bin/env python
   2 #
   3 #  Keywords (from "graminit.c")
   4 #
   5 #  This file is automatically generated; please don't muck it up!
   6 #
   7 #  To update the symbols in this file, 'cd' to the top directory of
   8 #  the python source tree after building the interpreter and run:
   9 #
  10 #    python Lib/keyword.py
  11
  12 kwlist = [
  13 #--start keywords--
  14         'and',
  15         'assert',
  16         'break',
  17         'class',
  18         'continue',
  19         'def',
  20         'del',
  21         'elif',
  22         'else',
  23         'except',
  24         'exec',
  25         'finally',
  26         'for',
  27         'from',
  28         'global',
  29         'if',
  30         'import',
  31         'in',
  32         'is',
  33         'lambda',
  34         'not',
  35         'or',
  36         'pass',
  37         'print',
  38         'raise',
  39         'return',
  40         'try',
  41         'while',
  42 #--end keywords--
  43         ]
  44
  45 kwdict = {}
  46 for keyword in kwlist:
  47     kwdict[keyword] = 1
  48
  49 iskeyword = kwdict.has_key
  50
  51 def main():
  52     import sys, re, string
  53
  54     args = sys.argv[1:]
  55     iptfile = args and args[0] or "Python/graminit.c"
  56     if len(args) > 1: optfile = args[1]
  57     else: optfile = "Lib/keyword.py"
  58
  59     # scan the source file for keywords
  60     fp = open(iptfile)
  61     strprog = re.compile('"([^"]+)"')
  62     lines = []
  63     while 1:
  64         line = fp.readline()
  65         if not line: break
  66         if string.find(line, '{1, "') > -1:
  67             match = strprog.search(line)
  68             if match:
  69                 lines.append("        '" + match.group(1) + "',\n")
  70     fp.close()
  71     lines.sort()
  72
  73     # load the output skeleton from the target
  74     fp = open(optfile)
  75     format = fp.readlines()
  76     fp.close()
  77
  78     # insert the lines of keywords
  79     try:
  80         start = format.index("#--start keywords--\n") + 1
  81         end = format.index("#--end keywords--\n")
  82         format[start:end] = lines
  83     except ValueError:
  84         sys.stderr.write("target does not contain format markers\n")
  85         sys.exit(1)
  86
  87     # write the output file
  88     fp = open(optfile, 'w')
  89     fp.write(string.join(format, ''))
  90     fp.close()
  91
  92 if __name__ == "__main__":
  93     main()