def get(self):
"""
Get the current value of the object. Note that the default implementation just
raises C{NotImplementedError}, since the current value is not stored by default.
@rtype: C{object}
"""
raise_not_implemented_exception(self)
def get (self):
"""
Get the current value of the object. Note that the default implementation just
raises C{NotImplementedError}, since the current value is not stored by default.
@rtype: C{object}
"""
raise_not_implemented_exception (self)
def test_raise_non_implemented_exception (self):
self.assertRaises (NotImplementedError,
lambda: raise_not_implemented_exception ())
self.assertRaises (NotImplementedError,
lambda: raise_not_implemented_exception (self))
self.assertRaises (NotImplementedError,
lambda: raise_not_implemented_exception (self, 'foo'))
self.assertRaises (NotImplementedError,
lambda: raise_not_implemented_exception (self, 1))
def back_value(self, value):
"""
Apply back transformation to C{value} and return the result. This function may
raise any exception if mediator imposes some restrictions on C{value} and it
doesn’t satisfy them.
@rtype: C{object}
"""
raise_not_implemented_exception(self)
def protect (self, object):
"""
Protect C{object} from being garbage-collected. It is legal to protect same C{object}
several times and an object is prevented from being garbage-collected if it has been
protected at least once. As a special case, if C{object} is C{None}, this function
does nothing.
For convenience, this function always returns C{object} itself.
@rtype: C{object}
"""
raise_not_implemented_exception (self)
def protect(self, object):
"""
Protect C{object} from being garbage-collected. It is legal to protect same C{object}
several times and an object is prevented from being garbage-collected if it has been
protected at least once. As a special case, if C{object} is C{None}, this function
does nothing.
For convenience, this function always returns C{object} itself.
@rtype: C{object}
"""
raise_not_implemented_exception(self)
def unprotect (self, object):
"""
Unprotect C{object}. If has been protected once only or exactly one time more than
times it has been unprotected, make it a legal target for garbage collection again.
It is an error to call C{unprotect} more times than C{protect} for a same object, and
descendant behaviour in this case is undefined. It may even crash Python. However,
as a special case, if C{object} is C{None}, this function does nothing. In
particular, it is legal to ‘unprotect’ C{None} without having protected it first,
because it will be a no-op and not lead to bugs.
For convenience, this function always returns C{object} itself.
@rtype: C{object}
"""
raise_not_implemented_exception (self)
def unprotect(self, object):
"""
Unprotect C{object}. If has been protected once only or exactly one time more than
times it has been unprotected, make it a legal target for garbage collection again.
It is an error to call C{unprotect} more times than C{protect} for a same object, and
descendant behaviour in this case is undefined. It may even crash Python. However,
as a special case, if C{object} is C{None}, this function does nothing. In
particular, it is legal to ‘unprotect’ C{None} without having protected it first,
because it will be a no-op and not lead to bugs.
For convenience, this function always returns C{object} itself.
@rtype: C{object}
"""
raise_not_implemented_exception(self)
def set (self, value):
"""
Set the current value to C{value}, if possible. Default implementation always
raises C{NotImplementedError} as it is not mutable.
@param value: new value for C{AbstractValueObject}.
@rtype: C{bool}
@returns: Whether setting value had any effect, i.e. C{True}
if C{value} is not equal to result of C{L{get}}
method.
@raises NotImplementedError: if the object is not mutable.
@raises ValueError: if C{value} is not suitable for some reason.
"""
raise_not_implemented_exception (self)
def set(self, value):
"""
Set the current value to C{value}, if possible. Default implementation always
raises C{NotImplementedError} as it is not mutable.
@param value: new value for C{AbstractValueObject}.
@rtype: C{bool}
@returns: Whether setting value had any effect, i.e. C{True}
if C{value} is not equal to result of C{L{get}}
method.
@raises NotImplementedError: if the object is not mutable.
@raises ValueError: if C{value} is not suitable for some reason.
"""
raise_not_implemented_exception(self)
def execute (self, scale):
raise_not_implemented_exception (self)
def _get_operator_name(self):
raise_not_implemented_exception(self)
def _on_term2_change(self, new_state):
raise_not_implemented_exception(self)
def execute(self, scale):
raise_not_implemented_exception(self)
def _get_operator_name (self):
raise_not_implemented_exception (self)
def _on_term2_change (self, new_state):
raise_not_implemented_exception (self)
