def __add__()

in python-package/lets_plot/plot/subplots.py [0:0]

• 23 lines of code
• 11 McCabe index (conditional complexity)

    def __add__(self, other):
        """
        """

        if isinstance(other, DummySpec):
            # nothing
            return self

        elif isinstance(other, FeatureSpecArray):
            supplots = SupPlotsSpec.duplicate(self)
            for spec in other.elements():
                supplots = supplots.__add__(spec)
            return supplots

        elif isinstance(other, FeatureSpec) and other.kind in ["ggsize", "theme", "ggtitle", "caption", "ggtoolbar"]:

            supplots = SupPlotsSpec.duplicate(self)
            # ToDo: duplication!
            if other.kind == 'theme':
                new_theme_options = {k: v for k, v in other.props().items() if v is not None}
                if 'name' in new_theme_options:
                    # keep the previously specified flavor
                    if supplots.props().get('theme', {}).get('flavor', None) is not None:
                        new_theme_options.update({'flavor': supplots.props()['theme']['flavor']})

                    # pre-configured theme overrides existing theme altogether.
                    supplots.props()['theme'] = new_theme_options
                else:
                    # merge themes
                    old_theme_options = supplots.props().get('theme', {})
                    supplots.props()['theme'] = _theme_dicts_merge(old_theme_options, new_theme_options)

                return supplots

            # add feature to properties
            supplots.props()[other.kind] = other
            return supplots

        return super().__add__(other)