--- /dev/null
+class SerializingObject(object):
+ """
+ Common ancestor for TaskResource & TaskWarriorFilter, since they both
+ need to serialize arguments.
+
+ Serializing method should hold the following contract:
+ - any empty value (meaning removal of the attribute)
+ is deserialized into a empty string
+ - None denotes a empty value for any attribute
+
+ Deserializing method should hold the following contract:
+ - None denotes a empty value for any attribute (however,
+ this is here as a safeguard, TaskWarrior currently does
+ not export empty-valued attributes) if the attribute
+ is not iterable (e.g. list or set), in which case
+ a empty iterable should be used.
+
+ Normalizing methods should hold the following contract:
+ - They are used to validate and normalize the user input.
+ Any attribute value that comes from the user (during Task
+ initialization, assignign values to Task attributes, or
+ filtering by user-provided values of attributes) is first
+ validated and normalized using the normalize_{key} method.
+ - If validation or normalization fails, normalizer is expected
+ to raise ValueError.
+ """
+
+ def __init__(self, warrior):
+ self.warrior = warrior
+
+ def _deserialize(self, key, value):
+ hydrate_func = getattr(self, 'deserialize_{0}'.format(key),
+ lambda x: x if x != '' else None)
+ return hydrate_func(value)
+
+ def _serialize(self, key, value):
+ dehydrate_func = getattr(self, 'serialize_{0}'.format(key),
+ lambda x: x if x is not None else '')
+ return dehydrate_func(value)
+
+ def _normalize(self, key, value):
+ """
+ Use normalize_<key> methods to normalize user input. Any user
+ input will be normalized at the moment it is used as filter,
+ or entered as a value of Task attribute.
+ """
+
+ # None value should not be converted by normalizer
+ if value is None:
+ return None
+
+ normalize_func = getattr(self, 'normalize_{0}'.format(key),
+ lambda x: x)
+
+ return normalize_func(value)
+
+ def timestamp_serializer(self, date):
+ if not date:
+ return ''
+
+ # Any serialized timestamp should be localized, we need to
+ # convert to UTC before converting to string (DATE_FORMAT uses UTC)
+ date = date.astimezone(pytz.utc)
+
+ return date.strftime(DATE_FORMAT)
+
+ def timestamp_deserializer(self, date_str):
+ if not date_str:
+ return None
+
+ # Return timestamp localized in the local zone
+ naive_timestamp = datetime.datetime.strptime(date_str, DATE_FORMAT)
+ localized_timestamp = pytz.utc.localize(naive_timestamp)
+ return localized_timestamp.astimezone(local_zone)
+
+ def serialize_entry(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_entry(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_entry(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_modified(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_modified(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_modified(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_start(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_start(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_start(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_end(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_end(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_end(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_due(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_due(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_due(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_scheduled(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_scheduled(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_scheduled(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_until(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_until(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_until(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_wait(self, value):
+ return self.timestamp_serializer(value)
+
+ def deserialize_wait(self, value):
+ return self.timestamp_deserializer(value)
+
+ def normalize_wait(self, value):
+ return self.datetime_normalizer(value)
+
+ def serialize_annotations(self, value):
+ value = value if value is not None else []
+
+ # This may seem weird, but it's correct, we want to export
+ # a list of dicts as serialized value
+ serialized_annotations = [json.loads(annotation.export_data())
+ for annotation in value]
+ return serialized_annotations if serialized_annotations else ''
+
+ def deserialize_annotations(self, data):
+ return [TaskAnnotation(self, d) for d in data] if data else []
+
+ def serialize_tags(self, tags):
+ return ','.join(tags) if tags else ''
+
+ def deserialize_tags(self, tags):
+ if isinstance(tags, six.string_types):
+ return tags.split(',') if tags else []
+ return tags or []
+
+ def serialize_depends(self, value):
+ # Return the list of uuids
+ value = value if value is not None else set()
+ return ','.join(task['uuid'] for task in value)
+
+ def deserialize_depends(self, raw_uuids):
+ raw_uuids = raw_uuids or [] # Convert None to empty list
+
+ # TW 2.4.4 encodes list of dependencies as a single string
+ if type(raw_uuids) is not list:
+ uuids = raw_uuids.split(',')
+ # TW 2.4.5 and later exports them as a list, no conversion needed
+ else:
+ uuids = raw_uuids
+
+ return set(self.warrior.tasks.get(uuid=uuid) for uuid in uuids if uuid)
+
+ def datetime_normalizer(self, value):
+ """
+ Normalizes date/datetime value (considered to come from user input)
+ to localized datetime value. Following conversions happen:
+
+ naive date -> localized datetime with the same date, and time=midnight
+ naive datetime -> localized datetime with the same value
+ localized datetime -> localized datetime (no conversion)
+ """
+
+ if (isinstance(value, datetime.date)
+ and not isinstance(value, datetime.datetime)):
+ # Convert to local midnight
+ value_full = datetime.datetime.combine(value, datetime.time.min)
+ localized = local_zone.localize(value_full)
+ elif isinstance(value, datetime.datetime):
+ if value.tzinfo is None:
+ # Convert to localized datetime object
+ localized = local_zone.localize(value)
+ else:
+ # If the value is already localized, there is no need to change
+ # time zone at this point. Also None is a valid value too.
+ localized = value
+ elif (isinstance(value, six.string_types)
+ and self.warrior.version >= VERSION_2_4_0):
+ # For strings, use 'task calc' to evaluate the string to datetime
+ # available since TW 2.4.0
+ args = value.split()
+ result = self.warrior.execute_command(['calc'] + args)
+ naive = datetime.datetime.strptime(result[0], DATE_FORMAT_CALC)
+ localized = local_zone.localize(naive)
+ else:
+ raise ValueError("Provided value could not be converted to "
+ "datetime, its type is not supported: {}"
+ .format(type(value)))
+
+ return localized
+
+ def normalize_uuid(self, value):
+ # Enforce sane UUID
+ if not isinstance(value, six.string_types) or value == '':
+ raise ValueError("UUID must be a valid non-empty string, "
+ "not: {}".format(value))
+
+ return value
+
+
import tzlocal
from backends import TaskWarrior, TaskWarriorException
+from serializing import SerializingObject
DATE_FORMAT = '%Y%m%dT%H%M%SZ'
DATE_FORMAT_CALC = '%Y-%m-%dT%H:%M:%S'
return [copy.deepcopy(v) for v in self.viewed_dict.values()]
-class SerializingObject(object):
- """
- Common ancestor for TaskResource & TaskWarriorFilter, since they both
- need to serialize arguments.
-
- Serializing method should hold the following contract:
- - any empty value (meaning removal of the attribute)
- is deserialized into a empty string
- - None denotes a empty value for any attribute
-
- Deserializing method should hold the following contract:
- - None denotes a empty value for any attribute (however,
- this is here as a safeguard, TaskWarrior currently does
- not export empty-valued attributes) if the attribute
- is not iterable (e.g. list or set), in which case
- a empty iterable should be used.
-
- Normalizing methods should hold the following contract:
- - They are used to validate and normalize the user input.
- Any attribute value that comes from the user (during Task
- initialization, assignign values to Task attributes, or
- filtering by user-provided values of attributes) is first
- validated and normalized using the normalize_{key} method.
- - If validation or normalization fails, normalizer is expected
- to raise ValueError.
- """
-
- def __init__(self, warrior):
- self.warrior = warrior
-
- def _deserialize(self, key, value):
- hydrate_func = getattr(self, 'deserialize_{0}'.format(key),
- lambda x: x if x != '' else None)
- return hydrate_func(value)
-
- def _serialize(self, key, value):
- dehydrate_func = getattr(self, 'serialize_{0}'.format(key),
- lambda x: x if x is not None else '')
- return dehydrate_func(value)
-
- def _normalize(self, key, value):
- """
- Use normalize_<key> methods to normalize user input. Any user
- input will be normalized at the moment it is used as filter,
- or entered as a value of Task attribute.
- """
-
- # None value should not be converted by normalizer
- if value is None:
- return None
-
- normalize_func = getattr(self, 'normalize_{0}'.format(key),
- lambda x: x)
-
- return normalize_func(value)
-
- def timestamp_serializer(self, date):
- if not date:
- return ''
-
- # Any serialized timestamp should be localized, we need to
- # convert to UTC before converting to string (DATE_FORMAT uses UTC)
- date = date.astimezone(pytz.utc)
-
- return date.strftime(DATE_FORMAT)
-
- def timestamp_deserializer(self, date_str):
- if not date_str:
- return None
-
- # Return timestamp localized in the local zone
- naive_timestamp = datetime.datetime.strptime(date_str, DATE_FORMAT)
- localized_timestamp = pytz.utc.localize(naive_timestamp)
- return localized_timestamp.astimezone(local_zone)
-
- def serialize_entry(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_entry(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_entry(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_modified(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_modified(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_modified(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_start(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_start(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_start(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_end(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_end(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_end(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_due(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_due(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_due(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_scheduled(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_scheduled(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_scheduled(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_until(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_until(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_until(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_wait(self, value):
- return self.timestamp_serializer(value)
-
- def deserialize_wait(self, value):
- return self.timestamp_deserializer(value)
-
- def normalize_wait(self, value):
- return self.datetime_normalizer(value)
-
- def serialize_annotations(self, value):
- value = value if value is not None else []
-
- # This may seem weird, but it's correct, we want to export
- # a list of dicts as serialized value
- serialized_annotations = [json.loads(annotation.export_data())
- for annotation in value]
- return serialized_annotations if serialized_annotations else ''
-
- def deserialize_annotations(self, data):
- return [TaskAnnotation(self, d) for d in data] if data else []
-
- def serialize_tags(self, tags):
- return ','.join(tags) if tags else ''
-
- def deserialize_tags(self, tags):
- if isinstance(tags, six.string_types):
- return tags.split(',') if tags else []
- return tags or []
-
- def serialize_depends(self, value):
- # Return the list of uuids
- value = value if value is not None else set()
- return ','.join(task['uuid'] for task in value)
-
- def deserialize_depends(self, raw_uuids):
- raw_uuids = raw_uuids or [] # Convert None to empty list
-
- # TW 2.4.4 encodes list of dependencies as a single string
- if type(raw_uuids) is not list:
- uuids = raw_uuids.split(',')
- # TW 2.4.5 and later exports them as a list, no conversion needed
- else:
- uuids = raw_uuids
-
- return set(self.warrior.tasks.get(uuid=uuid) for uuid in uuids if uuid)
-
- def datetime_normalizer(self, value):
- """
- Normalizes date/datetime value (considered to come from user input)
- to localized datetime value. Following conversions happen:
-
- naive date -> localized datetime with the same date, and time=midnight
- naive datetime -> localized datetime with the same value
- localized datetime -> localized datetime (no conversion)
- """
-
- if (isinstance(value, datetime.date)
- and not isinstance(value, datetime.datetime)):
- # Convert to local midnight
- value_full = datetime.datetime.combine(value, datetime.time.min)
- localized = local_zone.localize(value_full)
- elif isinstance(value, datetime.datetime):
- if value.tzinfo is None:
- # Convert to localized datetime object
- localized = local_zone.localize(value)
- else:
- # If the value is already localized, there is no need to change
- # time zone at this point. Also None is a valid value too.
- localized = value
- elif (isinstance(value, six.string_types)
- and self.warrior.version >= VERSION_2_4_0):
- # For strings, use 'task calc' to evaluate the string to datetime
- # available since TW 2.4.0
- args = value.split()
- result = self.warrior.execute_command(['calc'] + args)
- naive = datetime.datetime.strptime(result[0], DATE_FORMAT_CALC)
- localized = local_zone.localize(naive)
- else:
- raise ValueError("Provided value could not be converted to "
- "datetime, its type is not supported: {}"
- .format(type(value)))
-
- return localized
-
- def normalize_uuid(self, value):
- # Enforce sane UUID
- if not isinstance(value, six.string_types) or value == '':
- raise ValueError("UUID must be a valid non-empty string, "
- "not: {}".format(value))
-
- return value
-
-
class TaskResource(SerializingObject):
read_only_fields = []
projects / etc / taskwarrior.git / commitdiff