114 lines
4.2 KiB
Python
114 lines
4.2 KiB
Python
# w.c.s. - web application for online forms
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# Copyright (C) 2005-2010 Entr'ouvert
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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# Most of this code is copied from the shell command [1] of the project Django
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# release 1.4. Many thanks to them.
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#
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# [1]: file django/core/management/commands/shell.py
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from __future__ import print_function
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import os.path
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from ..qommon.ctl import Command, make_option
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class CmdShell(Command):
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'''Launch a shell and initialize a publisher on a given host'''
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name = 'shell'
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def __init__(self):
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Command.__init__(self, [
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make_option('--plain', action='store_true',
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dest='plain', default=False) ])
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def execute(self, base_options, sub_options, args):
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from .. import publisher
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self.config.remove_option('main', 'error_log')
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publisher.WcsPublisher.configure(self.config)
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publisher = publisher.WcsPublisher.create_publisher(
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register_tld_names=False)
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publisher.app_dir = os.path.join(publisher.APP_DIR, args[0])
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if not os.path.exists(publisher.app_dir):
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print('Application directory %r does not exist.' % publisher.app_dir)
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raise SystemExit(1)
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publisher.set_config()
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try:
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if sub_options.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()
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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 import user.
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if not sub_options.plain:
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pythonrc = os.environ.get("PYTHONSTARTUP")
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if pythonrc and os.path.isfile(pythonrc):
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try:
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execfile(pythonrc)
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except NameError:
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pass
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# This will import .pythonrc.py as a side-effect
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import user
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code.interact(local=imported_objects)
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shells = [ 'ipython', 'bpython' ]
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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):
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for shell in self.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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CmdShell.register()
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