TaskFilter: Implement workaround around TW-1479

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

diff --git a/tasklib/task.py b/tasklib/task.py
index 01a0bcc6760bfb3c8f87bfeff8b262afdbc8b8c4..7d1bbe4b1fffdb23b90c990cca5ac7edf66762c8 100644 (file)
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -433,7 +433,15 @@ class TaskFilter(SerializingObject):
         if key == 'uuid':
             self.filter_params.insert(0, value)
         else:
-            self.filter_params.append("{0}:'{1}'".format(key, value))
+            # Surround value with aphostrophes unless it's a empty string
+            value = "'%s'" % value if value else ''
+
+            # We enforce equality match by using 'is' (or 'none') modifier
+            # Without using this syntax, filter fails due to TW-1479
+            modifier = '.is' if value else '.none'
+            key = key + modifier if '.' not in key else key
+
+            self.filter_params.append("{0}:{1}".format(key, value))
 
     def get_filter_params(self):
         return [f for f in self.filter_params if f]