from __future__ import print_function
import copy
-import datetime
import importlib
import json
import logging
def __len__(self):
return len(self.viewed_dict)
+ def __unicode__(self):
+ return six.u('ReadOnlyDictView: {0}'.format(repr(self.viewed_dict)))
+
+ __repr__ = __unicode__
+
def get(self, key, default=None):
return copy.deepcopy(self.viewed_dict.get(key, default))
if update_original:
self._original_data = copy.deepcopy(self._data)
-
def __getitem__(self, key):
# This is a workaround to make TaskResource non-iterable
# over simple index-based iteration
# to pass that to TaskWarrior.
data_tuples = filter(lambda t: t[1] is not '', data_tuples)
data = dict(data_tuples)
- return json.dumps(data, separators=(',',':'))
+ return json.dumps(data, separators=(',', ':'))
@property
def _modified_fields(self):
__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']
# Create the TaskWarrior instance if none passed
if backend is None:
- backends = importlib.import_module('.backends')
+ backends = importlib.import_module('tasklib.backends')
hook_parent_dir = os.path.dirname(os.path.dirname(sys.argv[0]))
backend = backends.TaskWarrior(data_location=hook_parent_dir)
# If the tasks are not saved, compare the actual instances
return id(self) == id(other)
-
def __hash__(self):
if self['uuid']:
# For saved Tasks, just define equality by equality of uuids
else:
self._load_data(new_data)
+
class TaskQuerySet(object):
"""
Represents a lazy lookup for a task objects.