Merged revisions 70866-70868,70870-70871,70893,70896,70902,70905,70907,70912,70915,70927,70933,70940,70944,70954,70963,70998,71056 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r70866 | georg.brandl | 2009-03-31 21:06:57 +0200 (Di, 31 Mär 2009) | 1 line

  #4882: document named group behavior a bit better.
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  r70867 | georg.brandl | 2009-03-31 21:10:35 +0200 (Di, 31 Mär 2009) | 1 line

  #1096310: document usage of sys.__std*__ a bit better.
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  r70868 | georg.brandl | 2009-03-31 21:12:17 +0200 (Di, 31 Mär 2009) | 1 line

  #5190: export make_option in __all__.
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  r70870 | georg.brandl | 2009-03-31 21:26:24 +0200 (Di, 31 Mär 2009) | 1 line

  #4411: document mro() and __mro__. (I hope I got it right.)
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  r70871 | georg.brandl | 2009-03-31 21:30:56 +0200 (Di, 31 Mär 2009) | 1 line

  #5618: fix typo.
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  r70893 | georg.brandl | 2009-03-31 22:56:32 +0200 (Di, 31 Mär 2009) | 1 line

  #1530012: move TQS section before raw strings.
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  r70896 | georg.brandl | 2009-03-31 23:15:33 +0200 (Di, 31 Mär 2009) | 1 line

  #5598: document DocFileSuite *args argument.
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  r70902 | georg.brandl | 2009-03-31 23:43:03 +0200 (Di, 31 Mär 2009) | 1 line

  #1675026: add a note about a strange Windows problem, and remove notes about AtheOS.
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  r70905 | georg.brandl | 2009-04-01 00:03:40 +0200 (Mi, 01 Apr 2009) | 1 line

  #5563: more documentation for bdist_msi.
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  r70907 | georg.brandl | 2009-04-01 00:18:19 +0200 (Mi, 01 Apr 2009) | 1 line

  #3427: document correct return type for urlopen().info().
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  r70912 | georg.brandl | 2009-04-01 00:35:46 +0200 (Mi, 01 Apr 2009) | 1 line

  #5617: add a handy function to print a unicode string to gdbinit.
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  r70915 | georg.brandl | 2009-04-01 00:40:16 +0200 (Mi, 01 Apr 2009) | 1 line

  #5018: remove confusing paragraph.
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  r70927 | georg.brandl | 2009-04-01 01:01:27 +0200 (Mi, 01 Apr 2009) | 1 line

  Dont shout to users.
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  r70933 | georg.brandl | 2009-04-01 02:04:33 +0200 (Mi, 01 Apr 2009) | 2 lines

  Issue #5635: Fix running test_sys with tracing enabled.
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  r70940 | georg.brandl | 2009-04-01 06:21:14 +0200 (Mi, 01 Apr 2009) | 2 lines

  The SimpleXMLRPCServer's CGI handler now runs like a pony.
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  r70944 | georg.brandl | 2009-04-01 06:32:39 +0200 (Mi, 01 Apr 2009) | 1 line

  #5631: add upload to list of possible commands, which is presented in --help-commands.
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  r70954 | georg.brandl | 2009-04-01 17:23:43 +0200 (Mi, 01 Apr 2009) | 1 line

  Fix test_xmlrpc and make the CGI handler work with no CONTENT_LENGTH.
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  r70963 | georg.brandl | 2009-04-01 19:46:01 +0200 (Mi, 01 Apr 2009) | 1 line

  #5655: fix docstring oversight.
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  r70998 | georg.brandl | 2009-04-01 23:54:21 +0200 (Mi, 01 Apr 2009) | 1 line

  In Pdb, stop assigning values to __builtin__._ which interferes with the one commonly installed by gettext.
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  r71056 | georg.brandl | 2009-04-02 19:43:07 +0200 (Do, 02 Apr 2009) | 2 lines

  Actually the displayhook should print the repr.
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diff --git a/Lib/pdb.py b/Lib/pdb.py
index 3f76032..e9f5632 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -194,6 +194,12 @@
         self.cmdloop()
         self.forget()
 
+    def displayhook(self, obj):
+        """Custom displayhook for the exec in default(), which prevents
+        assignment of the _ variable in the builtins.
+        """
+        print repr(obj)
+
     def default(self, line):
         if line[:1] == '!': line = line[1:]
         locals = self.curframe.f_locals
@@ -202,13 +208,16 @@
             code = compile(line + '\n', '<stdin>', 'single')
             save_stdout = sys.stdout
             save_stdin = sys.stdin
+            save_displayhook = sys.displayhook
             try:
                 sys.stdin = self.stdin
                 sys.stdout = self.stdout
+                sys.displayhook = self.displayhook
                 exec code in globals, locals
             finally:
                 sys.stdout = save_stdout
                 sys.stdin = save_stdin
+                sys.displayhook = save_displayhook
         except:
             t, v = sys.exc_info()[:2]
             if type(t) == type(''):