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import os
import sys
from code import interact
from paste.deploy import loadapp
from paste.script.command import Command
from paste.script.templates import Template
from paste.util.template import paste_script_template_renderer
from repoze.bfg.scripting import get_root
try:
from IPython.Shell import IPShell
except ImportError:
IPShell = None
class StarterProjectTemplate(Template):
_template_dir = 'paster_templates/starter'
summary = 'repoze.bfg starter project'
template_renderer = staticmethod(paste_script_template_renderer)
class ZODBProjectTemplate(Template):
_template_dir = 'paster_templates/zodb'
summary = 'repoze.bfg ZODB starter project'
template_renderer = staticmethod(paste_script_template_renderer)
class RoutesAlchemyProjectTemplate(Template):
_template_dir = 'paster_templates/routesalchemy'
summary = 'repoze.bfg SQLAlchemy project using Routes (no traversal)'
template_renderer = staticmethod(paste_script_template_renderer)
class AlchemyProjectTemplate(Template):
_template_dir = 'paster_templates/alchemy'
summary = 'repoze.bfg SQLAlchemy project using traversal'
template_renderer = staticmethod(paste_script_template_renderer)
def get_app(config_file, name, loadapp=loadapp):
""" Return the WSGI application named ``name`` in the PasteDeploy
config file ``config_file``"""
config_name = 'config:%s' % config_file
here_dir = os.getcwd()
app = loadapp(config_name, name=name, relative_to=here_dir)
return app
class BFGShellCommand(Command):
"""Open an interactive shell with a repoze.bfg app loaded.
This command accepts two positional arguments:
``config_file`` -- specifies the PasteDeploy config file to use
for the interactive shell.
``section_name`` -- specifies the section name in the PasteDeploy
config file that represents the application.
Example::
$ paster bfgshell myapp.ini main
.. note:: You should use a ``section_name`` that refers to the
actual ``app`` section in the config file that points at
your BFG app without any middleware wrapping, or this
command will almost certainly fail.
"""
summary = "Open an interactive shell with a repoze.bfg app loaded"
usage = '\n' + __doc__
min_args = 2
max_args = 2
group_name = 'bfg'
parser = Command.standard_parser(simulate=True)
parser.add_option('-d', '--disable-ipython',
action='store_true',
dest='disable_ipython',
help="Don't use IPython even if it is available")
interact = (interact,) # for testing
loadapp = (loadapp,) # for testing
IPShell = IPShell # for testing
verbose = 3
def command(self):
cprt =('Type "help" for more information. "root" is the BFG app '
'root object.')
banner = "Python %s on %s\n%s" % (sys.version, sys.platform, cprt)
config_file, section_name = self.args
app = get_app(config_file, section_name, loadapp=self.loadapp[0])
root, closer = get_root(app)
if self.IPShell is not None and not self.options.disable_ipython:
try:
shell = self.IPShell(argv=[], user_ns={'root':root})
shell.IP.BANNER = shell.IP.BANNER + '\n\n' + banner
shell.mainloop()
finally:
closer()
else:
try:
self.interact[0](banner, local={'root':root})
finally:
closer()
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