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from orangewidget.gui import OWComponent
from orangewidget.utils.signals import (
WidgetSignalsMixin,
InputSignal, OutputSignal,
Default, NonDefault, Single, Multiple, Dynamic, Explicit
)
from orangewidget.widget import (
OWBaseWidget, Message, Msg, StateInfo, Input, Output, MultiInput
)
from Orange.widgets.utils.progressbar import ProgressBarMixin
from Orange.widgets.report import DataReport as Report
from Orange.widgets.utils.signals import AttributeList
# import this to register auto_summary functions
import Orange.widgets.utils.state_summary # pylint: disable=unused-import
__all__ = [
"OWWidget", "Input", "Output", "MultiInput", "AttributeList", "Message",
"Msg", "StateInfo",
# these are re-exported here for legacy reasons. Use Input/Output instead.
"InputSignal", "OutputSignal",
"Default", "NonDefault", "Single", "Multiple", "Dynamic", "Explicit"
]
# these are included in this namespace but are not in __all__
OWComponent = OWComponent
WidgetSignalsMixin = WidgetSignalsMixin
WidgetMetaClass = type(OWBaseWidget)
class OWWidget(OWBaseWidget, ProgressBarMixin, Report, openclass=True):
"""
:class:`~orangewidget.widget.OWBaseWidget` extended with `Orange.data.Table`
related report methods (:class:`.Report`)
"""
#: Input/Output flags (Deprecated).
#: --------------------------------
#:
#: The input/output is the default for its type.
#: When there are multiple IO signals with the same type the
#: one with the default flag takes precedence when adding a new
#: link in the canvas.
Default = Default
NonDefault = NonDefault
#: Single input signal (default)
Single = Single
#: Multiple outputs can be linked to this signal.
#: Signal handlers with this flag have (object, id: object) -> None signature.
Multiple = Multiple
#: Applies to user interaction only.
#: Only connected if specifically requested (in a dedicated "Links" dialog)
#: or it is the only possible connection.
Explicit = Explicit
#: Dynamic output type.
#: Specifies that the instances on the output will in general be
#: subtypes of the declared type and that the output can be connected
#: to any input signal which can accept a subtype of the declared output
#: type.
Dynamic = Dynamic
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