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# -*- coding: utf-8 -*-
# Copyright © 2012-2014 Chris Warrick, Roberto Alsina and others.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from __future__ import print_function, unicode_literals
import os
from nikola import __version__
from nikola.plugin_categories import Command
from nikola.utils import get_logger, STDERR_HANDLER
LOGGER = get_logger('console', STDERR_HANDLER)
class Console(Command):
"""Start debugging console."""
name = "console"
shells = ['ipython', 'bpython', 'plain']
doc_purpose = "start an interactive Python console with access to your site"
doc_description = """\
Order of resolution: IPython → bpython [deprecated] → plain Python interpreter
The site engine is accessible as `SITE`, and the config as `conf`."""
header = "Nikola v" + __version__ + " -- {0} Console (conf = configuration, SITE = site engine)"
cmd_options = [
{
'name': 'plain',
'short': 'p',
'long': 'plain',
'type': bool,
'default': False,
'help': 'Force the plain Python console',
}
]
def ipython(self):
"""IPython shell."""
from nikola import Nikola
try:
import conf
except ImportError:
LOGGER.error("No configuration found, cannot run the console.")
else:
import IPython
SITE = Nikola(**conf.__dict__)
SITE.scan_posts()
IPython.embed(header=self.header.format('IPython'))
def bpython(self):
"""bpython shell."""
from nikola import Nikola
try:
import conf
except ImportError:
LOGGER.error("No configuration found, cannot run the console.")
else:
import bpython
SITE = Nikola(**conf.__dict__)
SITE.scan_posts()
gl = {'conf': conf, 'SITE': SITE, 'Nikola': Nikola}
bpython.embed(banner=self.header.format(
'bpython (Slightly Deprecated)'), locals_=gl)
def plain(self):
"""Plain Python shell."""
from nikola import Nikola
try:
import conf
SITE = Nikola(**conf.__dict__)
SITE.scan_posts()
gl = {'conf': conf, 'SITE': SITE, 'Nikola': Nikola}
except ImportError:
LOGGER.error("No configuration found, cannot run the console.")
else:
import code
try:
import readline
except ImportError:
pass
else:
import rlcompleter
readline.set_completer(rlcompleter.Completer(gl).complete)
readline.parse_and_bind("tab:complete")
pythonrc = os.environ.get("PYTHONSTARTUP")
if pythonrc and os.path.isfile(pythonrc):
try:
execfile(pythonrc) # NOQA
except NameError:
pass
code.interact(local=gl, banner=self.header.format('Python'))
def _execute(self, options, args):
"""Start the console."""
if options['plain']:
self.plain()
else:
for shell in self.shells:
try:
return getattr(self, shell)()
except ImportError:
pass
raise ImportError
|
