Add support for Action API

Currently doesn't seem to work - server always returns an error

trovebox/api/api_action.py

@@ -0,0 +1,56 @@
+"""
+api_action.py : Trovebox Action API Classes
+"""
+from trovebox.objects.action import Action
+from trovebox.objects.photo import Photo
+
+class ApiAction(object):
+    """ Definitions of /action/ API endpoints """
+    def __init__(self, client):
+        self._client = client
+
+    def create(self, target, target_type=None, **kwds):
+        """
+        Create a new action and return it.
+        If the target_type parameter isn't specified, it is automatically
+        generated.
+        """
+        if target_type is None:
+            # Determine the target type
+            if isinstance(target, Photo):
+                target_type = "photo"
+            else:
+                raise NotImplementedError("Actions can only be assigned to "
+                                          "Photos when target_type isn't "
+                                          "specified")
+        # Extract the ID from the target
+        try:
+            target_id = target.id
+        except AttributeError:
+            # Assume the ID was passed in directly
+            target_id = target
+
+        result = self._client.post("/action/create.json",
+                                   target=target_id, target_type=target_type,
+                                   **kwds)["result"]
+        return Action(self._client, result)
+
+    def delete(self, action, **kwds):
+        """
+        Delete an action.
+        Returns True if successful.
+        Raises a TroveboxError if not.
+        """
+        if not isinstance(action, Action):
+            action = Action(self._client, {"id": action})
+        return action.delete(**kwds)
+
+    def view(self, action, **kwds):
+        """
+        View an action's contents.
+        Returns the requested action object.
+        """
+        if not isinstance(action, Action):
+            action = Action(self._client, {"id": action})
+        action.view(**kwds)
+        return action