Merged revisions 67900-67901,67919,67928,67984,67991-67993,68106-68108,68110 via svnmerge from

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r67900 | benjamin.peterson | 2008-12-22 14:02:45 -0600 (Mon, 22 Dec 2008) | 4 lines

  fix_execfile: wrap the open(fn).read() call in compile(), so the filename is preserved

  also add unittests for the fixer
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  r67901 | benjamin.peterson | 2008-12-22 14:09:55 -0600 (Mon, 22 Dec 2008) | 1 line

  remove unused import
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  r67919 | benjamin.peterson | 2008-12-23 13:12:22 -0600 (Tue, 23 Dec 2008) | 1 line

  copy permission bits from the backup to the original
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  r67928 | benjamin.peterson | 2008-12-26 20:49:30 -0600 (Fri, 26 Dec 2008) | 1 line

  don't be so idiot about multiple local imports in fix_import; still won't handle absolute and local imports on the same line
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  r67984 | benjamin.peterson | 2008-12-28 09:55:16 -0600 (Sun, 28 Dec 2008) | 1 line

  don't need loop
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  r67991 | benjamin.peterson | 2008-12-28 14:30:26 -0600 (Sun, 28 Dec 2008) | 1 line

  actually call finish_tree()
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  r67992 | benjamin.peterson | 2008-12-28 14:34:47 -0600 (Sun, 28 Dec 2008) | 1 line

  remove useless test
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  r67993 | benjamin.peterson | 2008-12-28 15:04:32 -0600 (Sun, 28 Dec 2008) | 1 line

  update pyk3's test grammar
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  r68106 | benjamin.peterson | 2008-12-31 11:53:58 -0600 (Wed, 31 Dec 2008) | 1 line

  #2734 don't convert every instance of long (eg if it's an attribute)
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  r68107 | benjamin.peterson | 2008-12-31 11:55:10 -0600 (Wed, 31 Dec 2008) | 1 line

  add another test
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  r68108 | benjamin.peterson | 2008-12-31 12:00:12 -0600 (Wed, 31 Dec 2008) | 1 line

  don't change long even if it's the only argument name
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  r68110 | benjamin.peterson | 2008-12-31 14:13:26 -0600 (Wed, 31 Dec 2008) | 1 line

  remove unused import
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1 files changed, 23 insertions, 0 deletions

diff --git a/Lib/lib2to3/fixer_util.py b/Lib/lib2to3/fixer_util.py
index 0c485f08d3..f93df00e05 100644
--- a/Lib/lib2to3/fixer_util.py
+++ b/Lib/lib2to3/fixer_util.py
@@ -222,6 +222,29 @@ def in_special_context(node):
             return True
     return False
 
+def is_probably_builtin(node):
+    """
+    Check that something isn't an attribute or function name etc.
+    """
+    prev = node.get_prev_sibling()
+    if prev is not None and prev.type == token.DOT:
+        # Attribute lookup.
+        return False
+    parent = node.parent
+    if parent.type in (syms.funcdef, syms.classdef):
+        return False
+    if parent.type == syms.expr_stmt and parent.children[0] is node:
+        # Assignment.
+        return False
+    if parent.type == syms.parameters or \
+            (parent.type == syms.typedargslist and (
+            (prev is not None and prev.type == token.COMMA) or
+            parent.children[0] is node
+            )):
+        # The name of an argument.
+        return False
+    return True
+
 ###########################################################
 ### The following functions are to find bindings in a suite
 ###########################################################