In Pdb, stop assigning values to __builtin__._ which interferes with the one commonly installed by gettext.
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@ -194,6 +194,12 @@ class Pdb(bdb.Bdb, cmd.Cmd):
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self.cmdloop()
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self.forget()
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def displayhook(self, obj):
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"""Custom displayhook for the exec in default(), which prevents
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assignment of the _ variable in the builtins.
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"""
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print obj
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def default(self, line):
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if line[:1] == '!': line = line[1:]
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locals = self.curframe.f_locals
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@ -202,13 +208,16 @@ class Pdb(bdb.Bdb, cmd.Cmd):
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code = compile(line + '\n', '<stdin>', 'single')
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save_stdout = sys.stdout
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save_stdin = sys.stdin
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save_displayhook = sys.displayhook
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try:
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sys.stdin = self.stdin
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sys.stdout = self.stdout
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sys.displayhook = self.displayhook
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exec code in globals, locals
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finally:
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sys.stdout = save_stdout
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sys.stdin = save_stdin
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sys.displayhook = save_displayhook
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except:
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t, v = sys.exc_info()[:2]
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if type(t) == type(''):
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@ -202,6 +202,9 @@ Core and Builtins
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Library
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-------
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- In Pdb, prevent the reassignment of __builtin__._ by sys.displayhook on
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printing out values.
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- Issue #4572: added SEEK_* symbolic constants to io module.
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- Issue #1665206 (partially): Move imports in cgitb to the top of the module
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