Merge branch 'develop'

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

diff --git a/tasklib/task.py b/tasklib/task.py
index faf6604c7838db7614db3fe3ce7eebc8fbee25ae..20bff1fef9026cc0db9e183c32cd757b0fe6f2f1 100644 (file)
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -13,6 +13,9 @@ DATE_FORMAT = '%Y%m%dT%H%M%SZ'
 REPR_OUTPUT_SIZE = 10
 PENDING = 'pending'
 COMPLETED = 'completed'
 REPR_OUTPUT_SIZE = 10
 PENDING = 'pending'
 COMPLETED = 'completed'

+DELETED = 'deleted'
+WAITING = 'waiting'
+RECURRING = 'recurring'

 
 logger = logging.getLogger(__name__)
 
 
 logger = logging.getLogger(__name__)
 


@@ -165,54 +168,10 @@ class TaskAnnotation(TaskResource):
         # their data dics are the same
         return self.task == other.task and self._data == other._data
 
         # their data dics are the same
         return self.task == other.task and self._data == other._data
 

-    __repr__ = __unicode__
-
-
-class LazyUUIDTask(object):
-    """
-    A lazy wrapper around Task object, referenced by UUID.
-
-    - Supports comparison with LazyUUIDTask or Task objects (equality by UUIDs)
-    - If any attribute other than 'uuid' requested, a lookup in the
-      backend will be performed and this object will be replaced by a proper
-      Task object.
-    """
-
-    def __init__(self, tw, uuid):
-        self._tw = tw
-        self._uuid = uuid
-
-    def __getitem__(self, key):
-        # LazyUUIDTask does not provide anything else other than 'uuid'
-        if key is 'uuid':
-            return self._uuid
-        else:
-            self.replace()
-            return self[key]
-
-    def __getattr__(self, name):
-        # Getattr is called only if the attribute could not be found using
-        # normal means
-        self.replace()
-        return self.name
-
-    def __eq__(self, other):
-        if other['uuid']:
-            # For saved Tasks, just define equality by equality of uuids
-            return self['uuid'] == other['uuid']
+    def __ne__(self, other):
+        return not self.__eq__(other)

 
 

-    def __hash__(self):
-        return self['uuid'].__hash__()
-
-    def replace(self):
-        """
-        Performs conversion to the regular Task object, referenced by the
-        stored UUID.
-        """
-
-        replacement = self._tw.tasks.get(uuid=self._uuid)
-        self.__class__ = replacement.__class__
-        self.__dict__ = replacement.__dict__
+    __repr__ = __unicode__

 
 
 class Task(TaskResource):
 
 
 class Task(TaskResource):


@@ -324,6 +283,9 @@ class Task(TaskResource):
             # If the tasks are not saved, compare the actual instances
             return id(self) == id(other)
 
             # If the tasks are not saved, compare the actual instances
             return id(self) == id(other)
 

+    def __ne__(self, other):
+        return not self.__eq__(other)
+

     def __hash__(self):
         if self['uuid']:
             # For saved Tasks, just define equality by equality of uuids
     def __hash__(self):
         if self['uuid']:
             # For saved Tasks, just define equality by equality of uuids


@@ -348,6 +310,10 @@ class Task(TaskResource):
     def pending(self):
         return self['status'] == six.text_type('pending')
 
     def pending(self):
         return self['status'] == six.text_type('pending')
 

+    @property
+    def recurring(self):
+        return self['status'] == six.text_type('recurring')
+

     @property
     def active(self):
         return self['start'] is not None
     @property
     def active(self):
         return self['start'] is not None


@@ -360,20 +326,24 @@ class Task(TaskResource):
         # Check that all the tasks are saved
         for task in (cur_dependencies or set()):
             if not task.saved:
         # Check that all the tasks are saved
         for task in (cur_dependencies or set()):
             if not task.saved:

-                raise Task.NotSaved('Task \'%s\' needs to be saved before '
-                                    'it can be set as dependency.' % task)
+                raise Task.NotSaved(
+                    'Task \'%s\' needs to be saved before '
+                    'it can be set as dependency.' % task,
+                )

 
         return super(Task, self).serialize_depends(cur_dependencies)
 
     def delete(self):
         if not self.saved:
 
         return super(Task, self).serialize_depends(cur_dependencies)
 
     def delete(self):
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved before it can be deleted")
+            raise Task.NotSaved(
+                'Task needs to be saved before it can be deleted',
+            )

 
         # Refresh the status, and raise exception if the task is deleted
         self.refresh(only_fields=['status'])
 
         if self.deleted:
 
         # Refresh the status, and raise exception if the task is deleted
         self.refresh(only_fields=['status'])
 
         if self.deleted:

-            raise Task.DeletedTask("Task was already deleted")
+            raise Task.DeletedTask('Task was already deleted')

 
         self.backend.delete_task(self)
 
 
         self.backend.delete_task(self)
 


@@ -382,17 +352,19 @@ class Task(TaskResource):
 
     def start(self):
         if not self.saved:
 
     def start(self):
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved before it can be started")
+            raise Task.NotSaved(
+                'Task needs to be saved before it can be started',
+            )

 
         # Refresh, and raise exception if task is already completed/deleted
         self.refresh(only_fields=['status'])
 
         if self.completed:
 
         # Refresh, and raise exception if task is already completed/deleted
         self.refresh(only_fields=['status'])
 
         if self.completed:

-            raise Task.CompletedTask("Cannot start a completed task")
+            raise Task.CompletedTask('Cannot start a completed task')

         elif self.deleted:
         elif self.deleted:

-            raise Task.DeletedTask("Deleted task cannot be started")
+            raise Task.DeletedTask('Deleted task cannot be started')

         elif self.active:
         elif self.active:

-            raise Task.ActiveTask("Task is already active")
+            raise Task.ActiveTask('Task is already active')

 
         self.backend.start_task(self)
 
 
         self.backend.start_task(self)
 


@@ -401,13 +373,15 @@ class Task(TaskResource):
 
     def stop(self):
         if not self.saved:
 
     def stop(self):
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved before it can be stopped")
+            raise Task.NotSaved(
+                'Task needs to be saved before it can be stopped',
+            )

 
         # Refresh, and raise exception if task is already completed/deleted
         self.refresh(only_fields=['status'])
 
         if not self.active:
 
         # Refresh, and raise exception if task is already completed/deleted
         self.refresh(only_fields=['status'])
 
         if not self.active:

-            raise Task.InactiveTask("Cannot stop an inactive task")
+            raise Task.InactiveTask('Cannot stop an inactive task')

 
         self.backend.stop_task(self)
 
 
         self.backend.stop_task(self)
 


@@ -416,15 +390,17 @@ class Task(TaskResource):
 
     def done(self):
         if not self.saved:
 
     def done(self):
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved before it can be completed")
+            raise Task.NotSaved(
+                'Task needs to be saved before it can be completed',
+            )

 
         # Refresh, and raise exception if task is already completed/deleted
         self.refresh(only_fields=['status'])
 
         if self.completed:
 
         # Refresh, and raise exception if task is already completed/deleted
         self.refresh(only_fields=['status'])
 
         if self.completed:

-            raise Task.CompletedTask("Cannot complete a completed task")
+            raise Task.CompletedTask('Cannot complete a completed task')

         elif self.deleted:
         elif self.deleted:

-            raise Task.DeletedTask("Deleted task cannot be completed")
+            raise Task.DeletedTask('Deleted task cannot be completed')

 
         self.backend.complete_task(self)
 
 
         self.backend.complete_task(self)
 


@@ -440,14 +416,14 @@ class Task(TaskResource):
 
     def add_annotation(self, annotation):
         if not self.saved:
 
     def add_annotation(self, annotation):
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved to add annotation")
+            raise Task.NotSaved('Task needs to be saved to add annotation')

 
         self.backend.annotate_task(self, annotation)
         self.refresh(only_fields=['annotations'])
 
     def remove_annotation(self, annotation):
         if not self.saved:
 
         self.backend.annotate_task(self, annotation)
         self.refresh(only_fields=['annotations'])
 
     def remove_annotation(self, annotation):
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved to remove annotation")
+            raise Task.NotSaved('Task needs to be saved to remove annotation')

 
         if isinstance(annotation, TaskAnnotation):
             annotation = annotation['description']
 
         if isinstance(annotation, TaskAnnotation):
             annotation = annotation['description']


@@ -458,13 +434,14 @@ class Task(TaskResource):
     def refresh(self, only_fields=None, after_save=False):
         # Raise error when trying to refresh a task that has not been saved
         if not self.saved:
     def refresh(self, only_fields=None, after_save=False):
         # Raise error when trying to refresh a task that has not been saved
         if not self.saved:

-            raise Task.NotSaved("Task needs to be saved to be refreshed")
+            raise Task.NotSaved('Task needs to be saved to be refreshed')

 
         new_data = self.backend.refresh_task(self, after_save=after_save)
 
         if only_fields:
             to_update = dict(
 
         new_data = self.backend.refresh_task(self, after_save=after_save)
 
         if only_fields:
             to_update = dict(

-                [(k, new_data.get(k)) for k in only_fields])
+                [(k, new_data.get(k)) for k in only_fields],
+            )

             self._update_data(to_update, update_original=True)
         else:
             self._load_data(new_data)
             self._update_data(to_update, update_original=True)
         else:
             self._load_data(new_data)


@@ -495,7 +472,7 @@ class TaskQuerySet(object):
     def __repr__(self):
         data = list(self[:REPR_OUTPUT_SIZE + 1])
         if len(data) > REPR_OUTPUT_SIZE:
     def __repr__(self):
         data = list(self[:REPR_OUTPUT_SIZE + 1])
         if len(data) > REPR_OUTPUT_SIZE:

-            data[-1] = "...(remaining elements truncated)..."
+            data[-1] = '...(remaining elements truncated)...'

         return repr(data)
 
     def __len__(self):
         return repr(data)
 
     def __len__(self):


@@ -551,6 +528,15 @@ class TaskQuerySet(object):
     def completed(self):
         return self.filter(status=COMPLETED)
 
     def completed(self):
         return self.filter(status=COMPLETED)
 

+    def deleted(self):
+        return self.filter(status=DELETED)
+
+    def waiting(self):
+        return self.filter(status=WAITING)
+
+    def recurring(self):
+        return self.filter(status=RECURRING)
+

     def filter(self, *args, **kwargs):
         """
         Returns a new TaskQuerySet with the given filters added.
     def filter(self, *args, **kwargs):
         """
         Returns a new TaskQuerySet with the given filters added.


@@ -574,7 +560,9 @@ class TaskQuerySet(object):
         if not num:
             raise Task.DoesNotExist(
                 'Task matching query does not exist. '
         if not num:
             raise Task.DoesNotExist(
                 'Task matching query does not exist. '

-                'Lookup parameters were {0}'.format(kwargs))
+                'Lookup parameters were {0}'.format(kwargs),
+            )

         raise ValueError(
             'get() returned more than one Task -- it returned {0}! '
         raise ValueError(
             'get() returned more than one Task -- it returned {0}! '

-            'Lookup parameters were {1}'.format(num, kwargs))
+            'Lookup parameters were {1}'.format(num, kwargs),
+        )