+ # Replace the value with empty string, since that is the
+ # convention in TW for empty values
+ attribute_key = key.split('.')[0]
+ value = self._serialize(attribute_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:
+ # Surround value with aphostrophes unless it's a empty string
+ value = "'%s'" % value if value else ''
+
+ # We enforce equality match by using 'is' (or 'none') modifier
+ # Without using this syntax, filter fails due to TW-1479
+ modifier = '.is' if value else '.none'
+ key = key + modifier if '.' not in key else key
+
+ 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)
+
+ def __len__(self):
+ if self._result_cache is None:
+ self._result_cache = list(self)
+ return len(self._result_cache)
+
+ def __iter__(self):
+ if self._result_cache is None:
+ self._result_cache = self._execute()
+ return iter(self._result_cache)
+
+ def __getitem__(self, k):
+ if self._result_cache is None:
+ self._result_cache = list(self)
+ return self._result_cache.__getitem__(k)
+
+ def __bool__(self):
+ if self._result_cache is not None:
+ return bool(self._result_cache)
+ try:
+ next(iter(self))
+ except StopIteration:
+ return False
+ return True
+
+ def __nonzero__(self):
+ return type(self).__bool__(self)
+
+ def _clone(self, klass=None, **kwargs):
+ if klass is None:
+ klass = self.__class__
+ filter_obj = self.filter_obj.clone()
+ c = klass(warrior=self.warrior, filter_obj=filter_obj)
+ c.__dict__.update(kwargs)
+ return c
+
+ def _execute(self):
+ """
+ Fetch the tasks which match the current filters.
+ """
+ return self.warrior.filter_tasks(self.filter_obj)
+
+ def all(self):
+ """
+ Returns a new TaskQuerySet that is a copy of the current one.
+ """
+ return self._clone()
+
+ def pending(self):
+ return self.filter(status=PENDING)
+
+ def completed(self):
+ return self.filter(status=COMPLETED)
+
+ def filter(self, *args, **kwargs):
+ """
+ Returns a new TaskQuerySet with the given filters added.
+ """
+ clone = self._clone()
+ for f in args:
+ clone.filter_obj.add_filter(f)
+ for key, value in kwargs.items():
+ clone.filter_obj.add_filter_param(key, value)
+ return clone
+
+ def get(self, **kwargs):
+ """
+ Performs the query and returns a single object matching the given
+ keyword arguments.
+ """
+ clone = self.filter(**kwargs)
+ num = len(clone)
+ if num == 1:
+ return clone._result_cache[0]
+ if not num:
+ raise Task.DoesNotExist(
+ 'Task matching query does not exist. '
+ 'Lookup parameters were {0}'.format(kwargs))
+ raise ValueError(
+ 'get() returned more than one Task -- it returned {0}! '
+ 'Lookup parameters were {1}'.format(num, kwargs))
+
+
+class TaskWarrior(object):
projects / etc / taskwarrior.git / blobdiff