def find(cls, module_name):
"""
Helper function to import backend classes.
:param module_name: Dotted Python path to backend class name
:returns: Imported class object
"""
return import_class(module_name, cls)
def find(cls, module_name):
"""
Helper function to import backend classes.
:param module_name: Dotted Python path to backend class name
:returns: Imported class object
"""
return import_class(module_name, cls)
def get_router():
"""Return router defined by RAPIDSMS_ROUTER setting."""
router = getattr(settings, "RAPIDSMS_ROUTER", "rapidsms.router.blocking.BlockingRouter")
if isinstance(router, basestring):
try:
router = import_class(router)()
except ImportError as e:
raise ImproperlyConfigured(e)
return router
def get_router():
"""Return router defined by RAPIDSMS_ROUTER setting."""
router = getattr(settings, 'RAPIDSMS_ROUTER',
'rapidsms.router.blocking.BlockingRouter')
if isinstance(router, basestring):
try:
router = import_class(router)()
except ImportError as e:
raise ImproperlyConfigured(e)
return router
def get_handlers():
"""
Return a list of the handler classes to use in the current project.
This is the classes whose names are listed in the RAPIDSMS_HANDLERS
setting, but if that's not set, then we fall back to the deprecated
behavior of returning all installed handlers, possibly modified by
the INSTALLED_HANDLERS and/or EXCLUDED_HANDLERS settings.
"""
if hasattr(settings, 'RAPIDSMS_HANDLERS'):
return [import_class(name) for name in settings.RAPIDSMS_HANDLERS]
warn("Please set RAPIDSMS_HANDLERS to the handlers that should "
"be installed. The old behavior of installing all defined "
"handlers, possibly modified by INSTALLED_HANDLERS and/or "
"EXCLUDED_HANDLERS, is deprecated and will be removed",
DeprecationWarning)
handlers = _find_handlers(_apps())
# if we're explicitly selecting handlers, filter out all those which
# are not matched by one (or more) prefixes in INSTALLED_HANDLERS.
if hasattr(settings, 'INSTALLED_HANDLERS') and \
settings.INSTALLED_HANDLERS is not None:
copy = [handler for handler in handlers]
handlers = []
while len(copy) > 0:
for prefix in settings.INSTALLED_HANDLERS:
if copy[-1].__module__.startswith(prefix):
handlers.append(copy[-1])
break
copy.pop()
# likewise, in reverse, for EXCLUDED_HANDLERS.
if hasattr(settings, 'EXCLUDED_HANDLERS') and \
settings.EXCLUDED_HANDLERS is not None:
for prefix in settings.EXCLUDED_HANDLERS:
handlers = [
handler for handler in handlers
if not handler.__module__.startswith(prefix)]
return handlers
def test_valid_base_class(self):
"""Class should match base_class if supplied."""
class_ = import_class("rapidsms.utils.test_modules.ChildOfA", ParentA)
self.assertTrue(issubclass(class_, ParentA))
self.assertEqual(class_, ChildOfA)
def test_valid_class(self):
"""Valid paths should return the proper class."""
class_ = import_class("rapidsms.utils.test_modules.ParentA")
self.assertEqual(class_, ParentA)
def test_valid_base_class(self):
"""Class should match base_class if supplied."""
class_ = import_class("rapidsms.utils.test_modules.ChildOfA",
ParentA)
self.assertTrue(issubclass(class_, ParentA))
self.assertEqual(class_, ChildOfA)
def test_valid_class(self):
"""Valid paths should return the proper class."""
class_ = import_class("rapidsms.utils.test_modules.ParentA")
self.assertEqual(class_, ParentA)
