import logging
import os
import six
+import sys
import subprocess
DATE_FORMAT = '%Y%m%dT%H%M%SZ'
"""
Common ancestor for TaskResource & TaskFilter, 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.
"""
def _deserialize(self, key, value):
def timestamp_serializer(self, date):
if not date:
- return None
+ return ''
return date.strftime(DATE_FORMAT)
def timestamp_deserializer(self, date_str):
return ','.join(tags) if tags else ''
def deserialize_tags(self, tags):
- if isinstance(tags, basestring):
+ if isinstance(tags, six.string_types):
return tags.split(',') if tags else []
- return tags
+ return tags or []
- def serialize_depends(self, cur_dependencies):
+ def serialize_depends(self, value):
# Return the list of uuids
- return ','.join(task['uuid'] for task in cur_dependencies)
+ 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 string
read_only_fields = []
def _load_data(self, data):
- self._data = data
+ self._data = dict((key, self._deserialize(key, value))
+ for key, value in data.items())
# We need to use a copy for original data, so that changes
- # are not propagated. Shallow copy is alright, since data dict uses only
- # primitive data types
- self._original_data = data.copy()
+ # are not propagated.
+ self._original_data = copy.deepcopy(self._data)
def _update_data(self, data, update_original=False):
"""
updates should already be serialized. If update_original is True, the
original_data dict is updated as well.
"""
-
- self._data.update(data)
+ self._data.update(dict((key, self._deserialize(key, value))
+ for key, value in data.items()))
if update_original:
- self._original_data.update(data)
+ self._original_data = copy.deepcopy(self._data)
+
def __getitem__(self, key):
# This is a workaround to make TaskResource non-iterable
except ValueError:
pass
- return self._deserialize(key, self._data.get(key))
+ if key not in self._data:
+ self._data[key] = self._deserialize(key, None)
+
+ return self._data.get(key)
def __setitem__(self, key, value):
if key in self.read_only_fields:
raise RuntimeError('Field \'%s\' is read-only' % key)
- self._data[key] = self._serialize(key, value)
+ self._data[key] = value
def __str__(self):
s = six.text_type(self.__unicode__())
def __unicode__(self):
return self['description']
+ def __eq__(self, other):
+ # consider 2 annotations equal if they belong to the same task, and
+ # their data dics are the same
+ return self.task == other.task and self._data == other._data
+
__repr__ = __unicode__
"""
pass
+ @classmethod
+ def from_input(cls, input_file=sys.stdin, modify=None):
+ """
+ Creates a Task object, directly from the stdin, by reading one line.
+ If modify=True, two lines are used, first line interpreted as the
+ original state of the Task object, and second line as its new,
+ modified value. This is consistent with the TaskWarrior's hook
+ system.
+
+ Object created by this method should not be saved, deleted
+ or refreshed, as t could create a infinite loop. For this
+ reason, TaskWarrior instance is set to None.
+
+ Input_file argument can be used to specify the input file,
+ but defaults to sys.stdin.
+ """
+
+ # TaskWarrior instance is set to None
+ task = cls(None)
+
+ # Detect the hook type if not given directly
+ name = os.path.basename(sys.argv[0])
+ modify = name.startswith('on-modify') if modify is None else modify
+
+ # Load the data from the input
+ task._load_data(json.loads(input_file.readline().strip()))
+
+ # If this is a on-modify event, we are provided with additional
+ # line of input, which provides updated data
+ if modify:
+ task._update_data(json.loads(input_file.readline().strip()))
+
+ return task
+
def __init__(self, warrior, **kwargs):
self.warrior = warrior
def _modified_fields(self):
writable_fields = set(self._data.keys()) - set(self.read_only_fields)
for key in writable_fields:
- if self._data.get(key) != self._original_data.get(key):
+ new_value = self._data.get(key)
+ old_value = self._original_data.get(key)
+
+ # Make sure not to mark data removal as modified field if the
+ # field originally had some empty value
+ if key in self._data and not new_value and not old_value:
+ continue
+
+ if new_value != old_value:
yield key
+ @property
+ def modified(self):
+ return bool(list(self._modified_fields))
+
@property
def completed(self):
return self['status'] == six.text_type('completed')
def serialize_depends(self, cur_dependencies):
# Check that all the tasks are saved
- for task in cur_dependencies:
+ for task in (cur_dependencies or set()):
if not task.saved:
raise Task.NotSaved('Task \'%s\' needs to be saved before '
'it can be set as dependency.' % task)
# to keep a list of all depedencies in the _data dictionary,
# not just currently added/removed ones
- old_dependencies_raw = self._original_data.get('depends','')
- old_dependencies = self.deserialize_depends(old_dependencies_raw)
+ old_dependencies = self._original_data.get('depends', set())
added = self['depends'] - old_dependencies
removed = old_dependencies - self['depends']
self.refresh(only_fields=['status'])
def save(self):
+ if self.saved and not self.modified:
+ return
+
args = [self['uuid'], 'modify'] if self.saved else ['add']
args.extend(self._get_modified_fields_as_args())
output = self.warrior.execute_command(args)
# Circumvent the ID storage, since ID is considered read-only
self._data['id'] = int(id_lines[0].split(' ')[2].rstrip('.'))
+ # Refreshing is very important here, as not only modification time
+ # is updated, but arbitrary attribute may have changed due hooks
+ # altering the data before saving
self.refresh()
def add_annotation(self, annotation):
def add_field(field):
# Add the output of format_field method to args list (defaults to
- # field:'value')
- format_default = lambda k: "{0}:{1}".format(k,
- "'{0}'".format(self._data[k])
- if self._data[k] is not None
- else '')
+ # field:value)
+ serialized_value = self._serialize(field, self._data[field])
+
+ # Empty values should not be enclosed in quotation marks, see
+ # TW-1510
+ if serialized_value is '':
+ escaped_serialized_value = ''
+ else:
+ escaped_serialized_value = "'{0}'".format(serialized_value)
+
+ format_default = lambda: "{0}:{1}".format(field,
+ escaped_serialized_value)
+
format_func = getattr(self, 'format_{0}'.format(field),
- lambda: format_default(field))
+ format_default)
+
args.append(format_func())
# If we're modifying saved task, simply pass on all modified fields
else:
self._load_data(new_data)
+ def export_data(self):
+ """
+ Exports current data contained in the Task as JSON
+ """
+
+ # We need to remove spaces for TW-1504, use custom separators
+ data_tuples = ((key, self._serialize(key, value))
+ for key, value in six.iteritems(self._data))
+
+ # Empty string denotes empty serialized value, we do not want
+ # 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=(',',':'))
class TaskFilter(SerializingObject):
"""
# coding=utf-8
import datetime
+import itertools
+import six
import shutil
import tempfile
import unittest
from .task import TaskWarrior, Task
+# http://taskwarrior.org/docs/design/task.html , Section: The Attributes
+TASK_STANDARD_ATTRS = (
+ 'status',
+ 'uuid',
+ 'entry',
+ 'description',
+ 'start',
+ 'end',
+ 'due',
+ 'until',
+ 'wait',
+ 'modified',
+ 'scheduled',
+ 'recur',
+ 'mask',
+ 'imask',
+ 'parent',
+ 'project',
+ 'priority',
+ 'depends',
+ 'tags',
+ 'annotation',
+)
class TasklibTest(unittest.TestCase):
# We only save the parent task, dependency task is unsaved
t.save()
+ t['depends'] = set([dependency])
- self.assertRaises(Task.NotSaved,
- t.__setitem__, 'depends', set([dependency]))
+ self.assertRaises(Task.NotSaved, t.save)
def test_set_simple_dependency_set(self):
# Adds only one dependency to task with no dependencies
t['depends'] = set([dependency1, dependency2])
t.save()
- t['depends'] = t['depends'] - set([dependency2])
+ t['depends'].remove(dependency2)
t.save()
self.assertEqual(t['depends'], set([dependency1]))
t['depends'] = set([dependency1])
t.save()
- t['depends'] = t['depends'] | set([dependency2])
+ t['depends'].add(dependency2)
t.save()
self.assertEqual(t['depends'], set([dependency1, dependency2]))
+ def test_add_to_empty_dependency_set(self):
+ # Adds dependency to task with one dependencies
+ t = Task(self.tw, description="test task")
+ dependency = Task(self.tw, description="needs to be done first")
+
+ dependency.save()
+
+ t['depends'].add(dependency)
+ t.save()
+
+ self.assertEqual(t['depends'], set([dependency]))
+
def test_simple_dependency_set_save_repeatedly(self):
# Adds only one dependency to task with no dependencies
t = Task(self.tw, description="test task")
t['depends'] = set([dependency])
self.assertEqual(set(t._modified_fields), set())
+ def test_modified_fields_not_affected_by_reading(self):
+ t = Task(self.tw)
+
+ for field in TASK_STANDARD_ATTRS:
+ value = t[field]
+
+ self.assertEqual(set(t._modified_fields), set())
+
def test_setting_read_only_attrs_through_init(self):
# Test that we are unable to set readonly attrs through __init__
for readonly_key in Task.read_only_fields:
self.assertRaises(RuntimeError,
lambda: t.__setitem__(readonly_key, 'value'))
+ def test_saving_unmodified_task(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t.save()
+
+ def test_adding_tag_by_appending(self):
+ t = Task(self.tw, description="test task", tags=['test1'])
+ t.save()
+ t['tags'].append('test2')
+ t.save()
+ self.assertEqual(t['tags'], ['test1', 'test2'])
+
+ def test_adding_tag_by_appending_empty(self):
+ t = Task(self.tw, description="test task")
+ t.save()
+ t['tags'].append('test')
+ t.save()
+ self.assertEqual(t['tags'], ['test'])
+
+ def test_serializers_returning_empty_string_for_none(self):
+ # Test that any serializer returns '' when passed None
+ t = Task(self.tw)
+ serializers = [getattr(t, serializer_name) for serializer_name in
+ filter(lambda x: x.startswith('serialize_'), dir(t))]
+ for serializer in serializers:
+ self.assertEqual(serializer(None), '')
+
+ def test_deserializer_returning_empty_value_for_empty_string(self):
+ # Test that any deserializer returns empty value when passed ''
+ t = Task(self.tw)
+ deserializers = [getattr(t, deserializer_name) for deserializer_name in
+ filter(lambda x: x.startswith('deserialize_'), dir(t))]
+ for deserializer in deserializers:
+ self.assertTrue(deserializer('') in (None, [], set()))
+
+
+
+class TaskFromHookTest(TasklibTest):
+
+ input_add_data = six.StringIO(
+ '{"description":"Buy some milk",'
+ '"entry":"20141118T050231Z",'
+ '"status":"pending",'
+ '"uuid":"a360fc44-315c-4366-b70c-ea7e7520b749"}')
+
+ input_modify_data = six.StringIO(input_add_data.getvalue() + '\n' +
+ '{"description":"Buy some milk finally",'
+ '"entry":"20141118T050231Z",'
+ '"status":"completed",'
+ '"uuid":"a360fc44-315c-4366-b70c-ea7e7520b749"}')
+
+ exported_raw_data = (
+ '{"project":"Home",'
+ '"due":"20150101T232323Z",'
+ '"description":"test task"}')
+
+ def test_setting_up_from_add_hook_input(self):
+ t = Task.from_input(input_file=self.input_add_data)
+ self.assertEqual(t['description'], "Buy some milk")
+ self.assertEqual(t.pending, True)
+
+ def test_setting_up_from_modified_hook_input(self):
+ t = Task.from_input(input_file=self.input_modify_data, modify=True)
+ self.assertEqual(t['description'], "Buy some milk finally")
+ self.assertEqual(t.pending, False)
+ self.assertEqual(t.completed, True)
+
+ self.assertEqual(t._original_data['status'], "pending")
+ self.assertEqual(t._original_data['description'], "Buy some milk")
+ self.assertEqual(set(t._modified_fields),
+ set(['status', 'description']))
+
+ def test_export_data(self):
+ t = Task(self.tw, description="test task",
+ project="Home", due=datetime.datetime(2015,1,1,23,23,23))
+
+ # Check that the output is a permutation of:
+ # {"project":"Home","description":"test task","due":"20150101232323Z"}
+ allowed_segments = self.exported_raw_data[1:-1].split(',')
+ allowed_output = [
+ '{' + ','.join(segments) + '}'
+ for segments in itertools.permutations(allowed_segments)
+ ]
+
+ self.assertTrue(any(t.export_data() == expected
+ for expected in allowed_output))
+
class AnnotationTest(TasklibTest):
task.remove_annotation(ann)
self.assertEqual(len(task['annotations']), 0)
+ def test_annotation_after_modification(self):
+ task = self.tw.tasks.get()
+ task['project'] = 'test'
+ task.add_annotation('I should really do this task')
+ self.assertEqual(task['project'], 'test')
+ task.save()
+ self.assertEqual(task['project'], 'test')
+
class UnicodeTest(TasklibTest):