admin.py 文件源码

def get_inline_actions(self, request, obj=None):
        """
        Returns a list of all actions for this Admin.
        """
        # If self.actions is explicitly set to None that means that we don't
        # want *any* actions enabled on this page.
        if self.inline_actions is None:
            return []

        actions = []

        # Gather actions from the inline admin and all parent classes,
        # starting with self and working back up.
        for klass in self.__class__.mro()[::-1]:
            class_actions = getattr(klass, 'inline_actions', [])
            # Avoid trying to iterate over None
            if not class_actions:
                continue

            for action in class_actions:
                if action not in actions:
                    actions.append(action)

        return actions