+
−import os
+
−from django.core.management.base import NoArgsCommand
+
−from optparse import make_option
+
−
+
−class Command(NoArgsCommand):
+
−    option_list = NoArgsCommand.option_list + (
+
−        make_option('--plain', action='store_true', dest='plain',
+
−            help='Tells Django to use plain Python, not IPython.'),
+
−    )
+
−    help = "Runs a Python interactive interpreter. Tries to use IPython, if it's available."
+
−
+
−    requires_model_validation = False
+
−
+
−    def handle_noargs(self, **options):
+
−        # XXX: (Temporary) workaround for ticket #1796: force early loading of all
+
−        # models from installed apps.
+
−        from django.db.models.loading import get_models
+
−        loaded_models = get_models()
+
−
+
−        use_plain = options.get('plain', False)
+
−
+
−        try:
+
−            if use_plain:
+
−                # Don't bother loading IPython, because the user wants plain Python.
+
−                raise ImportError
+
−            import IPython
+
−            # Explicitly pass an empty list as arguments, because otherwise IPython
+
−            # would use sys.argv from this script.
+
−            shell = IPython.Shell.IPShell(argv=[])
+
−            shell.mainloop()
+
−        except ImportError:
+
−            import code
+
−            # Set up a dictionary to serve as the environment for the shell, so
+
−            # that tab completion works on objects that are imported at runtime.
+
−            # See ticket 5082.
+
−            imported_objects = {}
+
−            try: # Try activating rlcompleter, because it's handy.
+
−                import readline
+
−            except ImportError:
+
−                pass
+
−            else:
+
−                # We don't have to wrap the following import in a 'try', because
+
−                # we already know 'readline' was imported successfully.
+
−                import rlcompleter
+
−                readline.set_completer(rlcompleter.Completer(imported_objects).complete)
+
−                readline.parse_and_bind("tab:complete")
+
−
+
−            # We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
+
−            # conventions and get $PYTHONSTARTUP first then import user.
+
−            if not use_plain: 
+
−                pythonrc = os.environ.get("PYTHONSTARTUP") 
+
−                if pythonrc and os.path.isfile(pythonrc): 
+
−                    try: 
+
−                        execfile(pythonrc) 
+
−                    except NameError: 
+
−                        pass
+
−                # This will import .pythonrc.py as a side-effect
+
−                import user
+
−            code.interact(local=imported_objects)