Task: Make two Tasks equal by uuid

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

diff --git a/tasklib/task.py b/tasklib/task.py
index 86e98ec40b7a8e34ecea8080b090ad3b0a894dd2..336c050ec12ac56951671332b60ec08fe97f439c 100644 (file)
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -12,6 +12,11 @@ REPR_OUTPUT_SIZE = 10
 PENDING = 'pending'
 COMPLETED = 'completed'
 
+VERSION_2_1_0 = six.u('2.1.0')
+VERSION_2_2_0 = six.u('2.2.0')
+VERSION_2_3_0 = six.u('2.3.0')
+VERSION_2_4_0 = six.u('2.4.0')
+
 logger = logging.getLogger(__name__)
 
 
@@ -107,6 +112,12 @@ class Task(TaskResource):
     def __unicode__(self):
         return self['description']
 
+    def __eq__(self, other):
+        return self['uuid'] == other['uuid']
+
+    def __hash__(self):
+        return self['uuid'].__hash__()
+
     @property
     def completed(self):
         return self['status'] == six.text_type('completed')
@@ -223,16 +234,24 @@ class Task(TaskResource):
     def _get_modified_fields_as_args(self):
         args = []
 
+        def add_field(field):
+            # Task version older than 2.4.0 ignores first word of the
+            # task description if description: prefix is used
+            if self.warrior.version < VERSION_2_4_0 and field == 'description':
+                args.append(self._data[field])
+            else:
+                args.append('{0}:{1}'.format(field, self._data[field]))
+
         # If we're modifying saved task, simply pass on all modified fields
         if self.saved:
             for field in self._modified_fields:
-                args.append('{0}:{1}'.format(field, self._data[field]))
+                add_field(field)
         # For new tasks, pass all fields that make sense
         else:
             for field in self._data.keys():
                 if field in self.read_only_fields:
                     continue
-                args.append('{0}:{1}'.format(field, self._data[field]))
+                add_field(field)
 
         return args
 
@@ -271,7 +290,13 @@ class TaskFilter(object):
         # Replace the value with empty string, since that is the
         # convention in TW for empty values
         value = value if value is not None else ''
-        self.filter_params.append('{0}:{1}'.format(key, value))
+
+        # If we are filtering by uuid:, do not use uuid keyword
+        # due to TW-1452 bug
+        if key == 'uuid':
+            self.filter_params.insert(0, value)
+        else:
+            self.filter_params.append('{0}:{1}'.format(key, value))
 
     def get_filter_params(self):
         return [f for f in self.filter_params if f]
@@ -401,6 +426,7 @@ class TaskWarrior(object):
             'data.location': os.path.expanduser(data_location),
         }
         self.tasks = TaskQuerySet(self)
+        self.version = self._get_version()
 
     def _get_command_args(self, args, config_override={}):
         command_args = ['task', 'rc:/']
@@ -411,6 +437,14 @@ class TaskWarrior(object):
         command_args.extend(map(str, args))
         return command_args
 
+    def _get_version(self):
+        p = subprocess.Popen(
+                ['task', '--version'],
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE)
+        stdout, stderr = [x.decode('utf-8') for x in p.communicate()]
+        return stdout.strip('\n')
+
     def execute_command(self, args, config_override={}):
         command_args = self._get_command_args(
             args, config_override=config_override)