--- /dev/null
+"""
+Provides lazy implementations for Task and TaskQuerySet.
+"""
+
+
+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 __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__
+
+
+class LazyUUIDTaskSet(object):
+ """
+ A lazy wrapper around TaskQuerySet object, for tasks referenced by UUID.
+
+ - Supports 'in' operator with LazyUUIDTask or Task objects
+ - If iteration over the objects in the LazyUUIDTaskSet is requested, the
+ LazyUUIDTaskSet will be converted to QuerySet and evaluated
+ """
+
+ def __init__(self, tw, uuids):
+ self._tw = tw
+ self._uuids = set(uuids)
+
+ 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):
+ return set(t['uuid'] for t in other) == self._uuids
+
+ def __contains__(self, task):
+ return task['uuid'] in self._uuids
+
+ def __len__(self):
+ return len(self._uuids)
+
+ def __iter__(self):
+ self.replace()
+ for task in self:
+ yield task
+
+ def replace(self):
+ """
+ Performs conversion to the regular TaskQuerySet object, referenced by
+ the stored UUIDs.
+ """
+
+ replacement = self._tw.tasks.filter(' '.join(self._uuids))
+ self.__class__ = replacement.__class__
+ self.__dict__ = replacement.__dict__
__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 __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__
-
-
-class LazyUUIDTaskSet(object):
- """
- A lazy wrapper around TaskQuerySet object, for tasks referenced by UUID.
-
- - Supports 'in' operator with LazyUUIDTask or Task objects
- - If iteration over the objects in the LazyUUIDTaskSet is requested, the
- LazyUUIDTaskSet will be converted to QuerySet and evaluated
- """
-
- def __init__(self, tw, uuids):
- self._tw = tw
- self._uuids = set(uuids)
-
- 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):
- return set(t['uuid'] for t in other) == self._uuids
-
- def __contains__(self, task):
- return task['uuid'] in self._uuids
-
- def __len__(self):
- return len(self._uuids)
-
- def __iter__(self):
- self.replace()
- for task in self:
- yield task
-
- def replace(self):
- """
- Performs conversion to the regular TaskQuerySet object, referenced by
- the stored UUIDs.
- """
-
- replacement = self._tw.tasks.filter(' '.join(self._uuids))
- self.__class__ = replacement.__class__
- self.__dict__ = replacement.__dict__
-
-
class Task(TaskResource):
read_only_fields = ['id', 'entry', 'urgency', 'uuid', 'modified']
import unittest
from .backends import TaskWarrior
-from .task import (Task, ReadOnlyDictView, LazyUUIDTask,
- LazyUUIDTaskSet, TaskQuerySet)
+from .task import Task, ReadOnlyDictView, TaskQuerySet
+from .lazy import LazyUUIDTask, LazyUUIDTaskSet
from .serializing import DATE_FORMAT, local_zone
# http://taskwarrior.org/docs/design/task.html , Section: The Attributes