backends: Add refresh_task to the Backend interface

[etc/taskwarrior.git] / tasklib / backends.py

diff --git a/tasklib/backends.py b/tasklib/backends.py
index 6bf11bb3340c6e0228977880b18e2285853d66ba..bf4cd67cd75e69cf2a3200f500636c84f2d78323 100644 (file)
--- a/tasklib/backends.py
+++ b/tasklib/backends.py
@@ -38,6 +38,18 @@ class Backend(object):
     def stop_task(self, task):
         pass
 
+    @abc.abstractmethod
+    def complete_task(self, task):
+        pass
+
+    @abc.abstractmethod
+    def refresh_task(self, task):
+        """
+        Refreshes the given task. Returns new data dict with serialized
+        attributes.
+        """
+        pass
+
     @abc.abstractmethod
     def sync(self):
         """Syncs the backend database with the taskd server"""
@@ -204,3 +216,16 @@ class TaskWarrior(object):
     def delete_task(self, task):
         self.execute_command([task['uuid'], 'delete'])
 
+    def start_task(self, task):
+        self.execute_command([task['uuid'], 'start'])
+
+    def stop_task(self, task):
+        self.execute_command([task['uuid'], 'stop'])
+
+    def complete_task(self, task):
+        # Older versions of TW do not stop active task at completion
+        if self.version < VERSION_2_4_0 and task.active:
+            task.stop()
+
+        self.execute_command([task['uuid'], 'done'])
+