| 1 | #!/usr/bin/env python
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| 2 | # Copyright 2006 Google, Inc. All Rights Reserved.
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| 3 | # Licensed to PSF under a Contributor Agreement.
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| 4 |
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| 5 | """Main program for testing the infrastructure."""
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| 6 |
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| 7 | __author__ = "Guido van Rossum <guido@python.org>"
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| 8 |
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| 9 | # Support imports (need to be imported first)
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| 10 | from . import support
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| 11 |
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| 12 | # Python imports
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| 13 | import os
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| 14 | import sys
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| 15 | import logging
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| 16 |
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| 17 | # Local imports
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| 18 | from .. import pytree
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| 19 | import pgen2
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| 20 | from pgen2 import driver
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| 21 |
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| 22 | logging.basicConfig()
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| 23 |
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| 24 | def main():
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| 25 | gr = driver.load_grammar("Grammar.txt")
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| 26 | dr = driver.Driver(gr, convert=pytree.convert)
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| 27 |
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| 28 | fn = "example.py"
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| 29 | tree = dr.parse_file(fn, debug=True)
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| 30 | if not diff(fn, tree):
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| 31 | print "No diffs."
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| 32 | if not sys.argv[1:]:
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| 33 | return # Pass a dummy argument to run the complete test suite below
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| 34 |
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| 35 | problems = []
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| 36 |
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| 37 | # Process every imported module
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| 38 | for name in sys.modules:
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| 39 | mod = sys.modules[name]
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| 40 | if mod is None or not hasattr(mod, "__file__"):
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| 41 | continue
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| 42 | fn = mod.__file__
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| 43 | if fn.endswith(".pyc"):
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| 44 | fn = fn[:-1]
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| 45 | if not fn.endswith(".py"):
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| 46 | continue
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| 47 | print >>sys.stderr, "Parsing", fn
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| 48 | tree = dr.parse_file(fn, debug=True)
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| 49 | if diff(fn, tree):
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| 50 | problems.append(fn)
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| 51 |
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| 52 | # Process every single module on sys.path (but not in packages)
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| 53 | for dir in sys.path:
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| 54 | try:
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| 55 | names = os.listdir(dir)
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| 56 | except os.error:
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| 57 | continue
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| 58 | print >>sys.stderr, "Scanning", dir, "..."
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| 59 | for name in names:
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| 60 | if not name.endswith(".py"):
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| 61 | continue
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| 62 | print >>sys.stderr, "Parsing", name
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| 63 | fn = os.path.join(dir, name)
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| 64 | try:
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| 65 | tree = dr.parse_file(fn, debug=True)
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| 66 | except pgen2.parse.ParseError, err:
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| 67 | print "ParseError:", err
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| 68 | else:
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| 69 | if diff(fn, tree):
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| 70 | problems.append(fn)
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| 71 |
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| 72 | # Show summary of problem files
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| 73 | if not problems:
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| 74 | print "No problems. Congratulations!"
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| 75 | else:
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| 76 | print "Problems in following files:"
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| 77 | for fn in problems:
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| 78 | print "***", fn
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| 79 |
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| 80 | def diff(fn, tree):
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| 81 | f = open("@", "w")
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| 82 | try:
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| 83 | f.write(str(tree))
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| 84 | finally:
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| 85 | f.close()
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| 86 | try:
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| 87 | return os.system("diff -u %s @" % fn)
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| 88 | finally:
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| 89 | os.remove("@")
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| 90 |
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| 91 | if __name__ == "__main__":
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| 92 | main()
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