def __new__(mcs, name, bases, dict):
from Orange.canvas.registry.description import (
input_channel_from_args, output_channel_from_args)
cls = type.__new__(mcs, name, bases, dict)
if not cls.name: # not a widget
return cls
cls.inputs = [input_channel_from_args(inp) for inp in cls.inputs]
cls.outputs = [output_channel_from_args(outp) for outp in cls.outputs]
for inp in cls.inputs:
if not hasattr(cls, inp.handler):
raise AttributeError(
"missing input signal handler '{}' in {}".format(
inp.handler, cls.name))
# TODO Remove this when all widgets are migrated to Orange 3.0
if (hasattr(cls, "settingsToWidgetCallback")
or hasattr(cls, "settingsFromWidgetCallback")):
raise TypeError("Reimplement settingsToWidgetCallback and "
"settingsFromWidgetCallback")
cls.settingsHandler = SettingsHandler.create(
cls, template=cls.settingsHandler)
return cls
def __new__(mcs, name, bases, kwargs):
from Orange.canvas.registry.description import (
input_channel_from_args, output_channel_from_args)
cls = type.__new__(mcs, name, bases, kwargs)
if not cls.name: # not a widget
return cls
cls.inputs = [input_channel_from_args(inp) for inp in cls.inputs]
cls.outputs = [output_channel_from_args(outp) for outp in cls.outputs]
for inp in cls.inputs:
if not hasattr(cls, inp.handler):
raise AttributeError("missing input signal handler '{}' in {}".
format(inp.handler, cls.name))
# TODO Remove this when all widgets are migrated to Orange 3.0
if (hasattr(cls, "settingsToWidgetCallback") or
hasattr(cls, "settingsFromWidgetCallback")):
raise TypeError("Reimplement settingsToWidgetCallback and "
"settingsFromWidgetCallback")
cls.settingsHandler = SettingsHandler.create(cls, template=cls.settingsHandler)
return cls
