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