Mercurial > cpython-lru_cache-weakref

annotate Demo/parser/test_parser.py @ 4566:6403c94de50d legacy-trunk

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Added safeguard against failure in __del__.
author Guido van Rossum <guido@python.org>
date Wed, 27 Nov 1996 19:39:58 +0000
parents f81d78547f28
children 73758db2f464
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f81d78547f28 Demos for Fred's parser module
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1 #! /projects/python/Python-1.4b2/python
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2 # (Force the script to use the latest build.)
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3 #
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4 # test_parser.py
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5
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6 import parser, traceback
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7
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8 _numFailed = 0
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9
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10 def testChunk(t, fileName):
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11 global _numFailed
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12 print '----', fileName,
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13 try:
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14 ast = parser.suite(t)
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15 tup = parser.ast2tuple(ast)
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16 # this discards the first AST; a huge memory savings when running
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17 # against a large source file like Tkinter.py.
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18 ast = None
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19 new = parser.tuple2ast(tup)
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20 except parser.ParserError, err:
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21 print
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22 print 'parser module raised exception on input file', fileName + ':'
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23 traceback.print_exc()
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24 _numFailed = _numFailed + 1
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25 else:
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26 if tup != parser.ast2tuple(new):
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27 print
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28 print 'parser module failed on input file', fileName
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29 _numFailed = _numFailed + 1
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30 else:
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31 print 'o.k.'
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32
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33 def testFile(fileName):
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34 t = open(fileName).read()
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35 testChunk(t, fileName)
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36
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37 def test():
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38 import sys
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39 args = sys.argv[1:]
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40 if not args:
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41 import glob
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42 args = glob.glob("*.py")
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43 map(testFile, args)
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44 sys.exit(_numFailed != 0)
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45
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46 if __name__ == '__main__':
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47 test()
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48
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49 #
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50 # end of file