+ def save(self):
+ args = [self['uuid'], 'modify'] if self['uuid'] else ['add']
+ args.extend(self._get_modified_fields_as_args())
+ self.warrior.execute_command(args)
+ self._modified_fields.clear()
+
+ def add_annotation(self, annotation):
+ args = [self['uuid'], 'annotate', annotation]
+ self.warrior.execute_command(args)
+ self.refresh(only_fields=['annotations'])
+
+ def remove_annotation(self, annotation):
+ if isinstance(annotation, TaskAnnotation):
+ annotation = annotation['description']
+ args = [self['uuid'], 'denotate', annotation]
+ self.warrior.execute_command(args)
+ self.refresh(only_fields=['annotations'])
+
+ def _get_modified_fields_as_args(self):
+ args = []
+ for field in self._modified_fields:
+ args.append('{}:{}'.format(field, self._data[field]))
+ return args
+
+ def refresh(self, only_fields=[]):
+ args = [self['uuid'], 'export']
+ new_data = json.loads(self.warrior.execute_command(args)[0])
+ if only_fields:
+ to_update = dict(
+ [(k, new_data.get(k)) for k in only_fields])
+ self._data.update(to_update)
+ else:
+ self._data = new_data
+
+
+class TaskFilter(object):
+ """
+ A set of parameters to filter the task list with.
+ """
+
+ def __init__(self, filter_params=[]):
+ self.filter_params = filter_params
+
+ def add_filter(self, filter_str):
+ self.filter_params.append(filter_str)
+
+ def add_filter_param(self, key, value):
+ key = key.replace('__', '.')
+
+ # 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))
+
+ def get_filter_params(self):
+ return [f for f in self.filter_params if f]
+
+ def clone(self):
+ c = self.__class__()
+ c.filter_params = list(self.filter_params)
+ return c
+
+
+class TaskQuerySet(object):
+ """
+ Represents a lazy lookup for a task objects.
+ """
+
+ def __init__(self, warrior=None, filter_obj=None):
+ self.warrior = warrior
+ self._result_cache = None
+ self.filter_obj = filter_obj or TaskFilter()
+
+ def __deepcopy__(self, memo):
+ """
+ Deep copy of a QuerySet doesn't populate the cache
+ """
+ obj = self.__class__()
+ for k, v in self.__dict__.items():
+ if k in ('_iter', '_result_cache'):
+ obj.__dict__[k] = None
+ else:
+ obj.__dict__[k] = copy.deepcopy(v, memo)
+ return obj
+
+ def __repr__(self):
+ data = list(self[:REPR_OUTPUT_SIZE + 1])
+ if len(data) > REPR_OUTPUT_SIZE:
+ data[-1] = "...(remaining elements truncated)..."
+ return repr(data)