def find_decoder(cls, tag):
"""
This assumes that tag is present in a decoder and if it cannot find a decoder with the tag it raises ValueError
:param tag: String; The tag used for saving and thus to be reused for loading that encoder back.
:return: Decoder object; The object of a decoder for the tag that was passed. Or None if none were found.
"""
for decoder in cls.decoder_list:
if tag in decoder.tags():
return decoder()
return UserSubWindowFactory.Instance().findDecoder(tag)
def _discover_cpp_interfaces(self):
"""Return a dictionary mapping a category to a set of named C++ interfaces"""
interfaces = {}
cpp_interface_factory = UserSubWindowFactory.Instance()
interface_names = cpp_interface_factory.keys()
for name in interface_names:
categories = cpp_interface_factory.categories(name)
if len(categories) == 0:
categories = ["General"]
for category in categories:
interfaces.setdefault(category, []).append(name)
return interfaces
def _discover_cpp_interfaces(self, interfaces):
"""Return a dictionary mapping a category to a set of named C++ interfaces"""
cpp_interface_factory = UserSubWindowFactory.Instance()
interface_names = cpp_interface_factory.keys()
for name in interface_names:
categories = cpp_interface_factory.categories(name)
if len(categories) == 0:
categories = ["General"]
for category in categories:
if category in interfaces.keys():
interfaces[category].append(name)
else:
interfaces[category] = [name]
return interfaces
def find_encoder(cls, obj):
"""
This assumes that obj is of a class that has an encode else it returns None
:param obj: The object for encoding
:return: Encoder or None; Returns the Encoder of the obj or None.
"""
obj_encoders = [
encoder for (encoder, compatible) in cls.encoder_dict.values()
if compatible(obj, encoder)
]
if len(obj_encoders) > 1:
raise RuntimeError(
"EncoderFactory: One or more encoder type claims to work with the passed obj: "
+ obj.__class__.__name__)
elif len(obj_encoders) == 1:
return obj_encoders[0]()
else:
# attempt C++!
return UserSubWindowFactory.Instance().findEncoder(obj)
def __init__(self):
super(CppInterfacesStartupTest, self).__init__()
self._app = get_application()
self._interface_manager = InterfaceManager()
self._cpp_interface_names = UserSubWindowFactory.Instance().keys()