def _get_call_signature_from_name()

in later/unittest/backport/mock.py [0:0]

• 14 lines of code
• 5 McCabe index (conditional complexity)

    def _get_call_signature_from_name(self, name):
        """
        * If call objects are asserted against a method/function like obj.meth1
        then there could be no name for the call object to lookup. Hence just
        return the spec_signature of the method/function being asserted against.
        * If the name is not empty then remove () and split by '.' to get
        list of names to iterate through the children until a potential
        match is found. A child mock is created only during attribute access
        so if we get a _SpecState then no attributes of the spec were accessed
        and can be safely exited.
        """
        if not name:
            return self._spec_signature

        sig = None
        names = name.replace('()', '').split('.')
        children = self._mock_children

        for name in names:
            child = children.get(name)
            if child is None or isinstance(child, _SpecState):
                break
            else:
                children = child._mock_children
                sig = child._spec_signature

        return sig