def _prepare_uimodules(self):
"""Prepare the UI Modules object"""
if 'ui_modules' in self._settings:
logger.debug('Preparing uimodules for import')
try:
# Assign the modules to the import
self._settings['ui_modules'] = \
utils.import_namespaced_class(self._settings['ui_modules'])
except ImportError as error:
logger.error("Error importing UI Modules %s: %s",
self._settings['ui_modules'], error)
def _import_class(self, class_path):
"""Try and import the specified namespaced class.
:param str class_path: The full path to the class (foo.bar.Baz)
:rtype: class
"""
LOGGER.debug('Importing %s', class_path)
try:
return utils.import_namespaced_class(class_path)
except ImportError as error:
LOGGER.critical('Could not import %s: %s', class_path, error)
return None
def _prepare_transforms(self):
"""Prepare the UI Modules object"""
if 'transforms' in self._settings:
logger.info('Preparing %i transform class(es) for import',
len(self._settings['transforms']))
transforms = list()
for transform in self._settings['transforms']:
try:
# Assign the modules to the import
transforms.append(utils.import_namespaced_class(transform))
except ImportError as error:
logger.error("Error importing UI Modules %s: %s",
self._settings['ui_modules'], error)
self._settings['transforms'] = transforms
def _prepare_route(self, attributes):
"""Take a given inbound list for a route and parse it creating the
route and importing the class it belongs to.
:param list attributes: Route attributes
:rtype: list
"""
# Validate it's a list or set
if type(attributes) not in (list, tuple):
logger.error("Invalid route, must be a list or tuple: %r",
attributes)
return False
# By default we do not have extra kwargs
kwargs = None
# If we have a regex based route, set it up with a raw string
if attributes[0] == 're':
route = r"%s" % attributes[1]
module = attributes[2]
if len(attributes) == 4:
kwargs = attributes[3]
else:
route = r"%s" % attributes[0]
module = attributes[1]
if len(attributes) == 3:
kwargs = attributes[2]
logger.debug("Initializing route: %s with %s", route, module)
# Return the reference to the python class at the end of the
# namespace. eg foo.Baz, foo.bar.Baz
try:
handler = utils.import_namespaced_class(module)
except ImportError as error:
logger.error("Module import error for %s: %r",
module, error)
return None
# Our base prepared route
prepared_route = [route, handler]
# If the route has an optional kwargs dict
if kwargs:
prepared_route.append(kwargs)
# Return the route
return tuple(prepared_route)
def _prepare_route(self, attributes):
"""Take a given inbound list for a route and parse it creating the
route and importing the class it belongs to.
:param list attributes: Route attributes
:rtype: list
"""
# Validate it's a list or set
if type(attributes) not in (list, tuple):
logger.error("Invalid route, must be a list or tuple: %r",
attributes)
return False
# By default we do not have extra kwargs
kwargs = None
# If we have a regex based route, set it up with a raw string
if attributes[0] == 're':
route = r"%s" % attributes[1]
module = attributes[2]
if len(attributes) == 4:
kwargs = attributes[3]
else:
route = r"%s" % attributes[0]
module = attributes[1]
if len(attributes) == 3:
kwargs = attributes[2]
logger.debug("Initializing route: %s with %s", route, module)
# Return the reference to the python class at the end of the
# namespace. eg foo.Baz, foo.bar.Baz
try:
handler = utils.import_namespaced_class(module)
except ImportError as error:
logger.error("Module import error for %s: %r", module, error)
return None
# Our base prepared route
prepared_route = [route, handler]
# If the route has an optional kwargs dict
if kwargs:
prepared_route.append(kwargs)
# Return the route
return tuple(prepared_route)
