Merged revisions 61724-61725 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

................
  r61724 | martin.v.loewis | 2008-03-22 01:01:12 +0100 (Sa, 22 Mär 2008) | 49 lines

  Merged revisions 61602-61723 via svnmerge from
  svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

  ........
    r61626 | david.wolever | 2008-03-19 17:19:16 +0100 (Mi, 19 Mär 2008) | 1 line

    Added fixer for implicit local imports.  See #2414.
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    r61628 | david.wolever | 2008-03-19 17:57:43 +0100 (Mi, 19 Mär 2008) | 1 line

    Added a class for tests which should not run if a particular import is found.
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    r61629 | collin.winter | 2008-03-19 17:58:19 +0100 (Mi, 19 Mär 2008) | 1 line

    Two more relative import fixes in pgen2.
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    r61635 | david.wolever | 2008-03-19 20:16:03 +0100 (Mi, 19 Mär 2008) | 1 line

    Fixed print fixer so it will do the Right Thing when it encounters __future__.print_function.  2to3 gets upset, though, so the tests have been commented out.
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    r61637 | david.wolever | 2008-03-19 21:37:17 +0100 (Mi, 19 Mär 2008) | 3 lines

    Added a fixer for itertools imports (from itertools import imap, ifilterfalse --> from itertools import filterfalse)
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    r61645 | david.wolever | 2008-03-19 23:22:35 +0100 (Mi, 19 Mär 2008) | 1 line

    SVN is happier when you add the files you create... -_-'
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    r61654 | david.wolever | 2008-03-20 01:09:56 +0100 (Do, 20 Mär 2008) | 1 line

    Added an explicit sort order to fixers -- fixes problems like #2427
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    r61664 | david.wolever | 2008-03-20 04:32:40 +0100 (Do, 20 Mär 2008) | 3 lines

    Fixes #2428 -- comments are no longer eatten by __future__ fixer.
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    r61673 | david.wolever | 2008-03-20 17:22:40 +0100 (Do, 20 Mär 2008) | 1 line

    Added 2to3 node pretty-printer
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    r61679 | david.wolever | 2008-03-20 20:50:42 +0100 (Do, 20 Mär 2008) | 1 line

    Made node printing a little bit prettier
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    r61723 | martin.v.loewis | 2008-03-22 00:59:27 +0100 (Sa, 22 Mär 2008) | 2 lines

    Fix whitespace.
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  r61725 | martin.v.loewis | 2008-03-22 01:02:41 +0100 (Sa, 22 Mär 2008) | 2 lines

  Install lib2to3.
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1 files changed, 14 insertions, 3 deletions

diff --git a/Lib/lib2to3/pytree.py b/Lib/lib2to3/pytree.py
index 6657144..713e007 100644
--- a/Lib/lib2to3/pytree.py
+++ b/Lib/lib2to3/pytree.py
@@ -14,6 +14,17 @@ __author__ = "Guido van Rossum <guido@python.org>"
 
 HUGE = 0x7FFFFFFF  # maximum repeat count, default max
 
+_type_reprs = {}
+def type_repr(type_num):
+    global _type_reprs
+    if not _type_reprs:
+        from .pygram import python_symbols
+        # printing tokens is possible but not as useful
+        # from .pgen2 import token // token.__dict__.items():
+        for name, val in python_symbols.__dict__.items():
+            if type(val) == int: _type_reprs[val] = name
+    return _type_reprs.setdefault(type_num, type_num)
+
 
 class Base(object):
 
@@ -195,8 +206,8 @@ class Node(Base):
 
     def __repr__(self):
         """Returns a canonical string representation."""
-        return "%s(%r, %r)" % (self.__class__.__name__,
-                               self.type,
+        return "%s(%s, %r)" % (self.__class__.__name__,
+                               type_repr(self.type),
                                self.children)
 
     def __str__(self):
@@ -372,7 +383,7 @@ class BasePattern(object):
         return object.__new__(cls)
 
     def __repr__(self):
-        args = [self.type, self.content, self.name]
+        args = [type_repr(self.type), self.content, self.name]
         while args and args[-1] is None:
             del args[-1]
         return "%s(%s)" % (self.__class__.__name__, ", ".join(map(repr, args)))