X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/447b6c8847cbe8f52970ae097e7b676d8302aed0..33c9f69e01349c7339cb669e252a4d98a08351c1:/tasklib/task.py?ds=inline diff --git a/tasklib/task.py b/tasklib/task.py index a273815..73280b0 100644 --- a/tasklib/task.py +++ b/tasklib/task.py @@ -4,9 +4,11 @@ import datetime import json import logging import os +import pytz import six import sys import subprocess +import tzlocal DATE_FORMAT = '%Y%m%dT%H%M%SZ' REPR_OUTPUT_SIZE = 10 @@ -19,6 +21,7 @@ VERSION_2_3_0 = six.u('2.3.0') VERSION_2_4_0 = six.u('2.4.0') logger = logging.getLogger(__name__) +local_zone = tzlocal.get_localzone() class TaskWarriorException(Exception): @@ -53,15 +56,36 @@ class SerializingObject(object): lambda x: x if x is not None else '') return dehydrate_func(value) + def _normalize(self, key, value): + """ + Use normalize_ 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. + """ + + 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 datetime.datetime.strptime(date_str, DATE_FORMAT) + + # 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) @@ -69,36 +93,54 @@ class SerializingObject(object): 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_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 [] @@ -129,6 +171,32 @@ class SerializingObject(object): uuids = raw_uuids.split(',') 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) and 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 + + return localized + + class TaskResource(SerializingObject): read_only_fields = [] @@ -170,6 +238,9 @@ class TaskResource(SerializingObject): def __setitem__(self, key, value): if key in self.read_only_fields: raise RuntimeError('Field \'%s\' is read-only' % key) + + # Normalize the user input before saving it + value = self._normalize(key, value) self._data[key] = value def __str__(self): @@ -309,8 +380,9 @@ class Task(TaskResource): # __init__ methods, that would be confusing # Rather unfortunate syntax due to python2.6 comaptiblity - self._load_data(dict((key, self._serialize(key, value)) - for (key, value) in six.iteritems(kwargs))) + self._data = dict((key, self._normalize(key, value)) + for (key, value) in six.iteritems(kwargs)) + self._original_data = copy.deepcopy(self._data) def __unicode__(self): return self['description'] @@ -535,6 +607,9 @@ class TaskFilter(SerializingObject): # Replace the value with empty string, since that is the # convention in TW for empty values attribute_key = key.split('.')[0] + + # Since this is user input, we need to normalize before we serialize + value = self._normalize(key, value) value = self._serialize(attribute_key, value) # If we are filtering by uuid:, do not use uuid keyword