94 lines
3.6 KiB
Python
94 lines
3.6 KiB
Python
import os
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from django.core.management.base import NoArgsCommand
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from optparse import make_option
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class Command(NoArgsCommand):
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shells = ['ipython', 'bpython']
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option_list = NoArgsCommand.option_list + (
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make_option('--plain', action='store_true', dest='plain',
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help='Tells Django to use plain Python, not IPython or bpython.'),
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make_option('-i', '--interface', action='store', type='choice', choices=shells,
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dest='interface',
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help='Specify an interactive interpreter interface. Available options: "ipython" and "bpython"'),
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)
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help = "Runs a Python interactive interpreter. Tries to use IPython or bpython, if one of them is available."
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requires_model_validation = False
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def ipython(self):
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try:
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from IPython import embed
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embed()
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except ImportError:
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# IPython < 0.11
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# Explicitly pass an empty list as arguments, because otherwise
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# IPython would use sys.argv from this script.
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try:
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from IPython.Shell import IPShell
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shell = IPShell(argv=[])
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shell.mainloop()
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except ImportError:
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# IPython not found at all, raise ImportError
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raise
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def bpython(self):
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import bpython
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bpython.embed()
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def run_shell(self, shell=None):
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available_shells = [shell] if shell else self.shells
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for shell in available_shells:
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try:
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return getattr(self, shell)()
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except ImportError:
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pass
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raise ImportError
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def handle_noargs(self, **options):
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# XXX: (Temporary) workaround for ticket #1796: force early loading of all
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# models from installed apps.
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from django.db.models.loading import get_models
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get_models()
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use_plain = options.get('plain', False)
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interface = options.get('interface', None)
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try:
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if use_plain:
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# Don't bother loading IPython, because the user wants plain Python.
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raise ImportError
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self.run_shell(shell=interface)
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except ImportError:
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import code
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# Set up a dictionary to serve as the environment for the shell, so
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# that tab completion works on objects that are imported at runtime.
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# See ticket 5082.
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imported_objects = {}
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try: # Try activating rlcompleter, because it's handy.
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import readline
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except ImportError:
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pass
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else:
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# We don't have to wrap the following import in a 'try', because
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# we already know 'readline' was imported successfully.
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import rlcompleter
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readline.set_completer(rlcompleter.Completer(imported_objects).complete)
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readline.parse_and_bind("tab:complete")
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# We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
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# conventions and get $PYTHONSTARTUP first then .pythonrc.py.
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if not use_plain:
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for pythonrc in (os.environ.get("PYTHONSTARTUP"),
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os.path.expanduser('~/.pythonrc.py')):
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if pythonrc and os.path.isfile(pythonrc):
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try:
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with open(pythonrc) as handle:
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exec(compile(handle.read(), pythonrc, 'exec'))
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except NameError:
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pass
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code.interact(local=imported_objects)
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