X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/5ca9944bd0c33603dfc37d2e5f044cf03f77a2ea..08adc748b1f9d1de752b9ad8d2d6e00264edc3f8:/tasklib/task.py diff --git a/tasklib/task.py b/tasklib/task.py index b3f59f0..f853bdc 100644 --- a/tasklib/task.py +++ b/tasklib/task.py @@ -5,6 +5,7 @@ import json import logging import os import pytz +import re import six import sys import subprocess @@ -23,6 +24,8 @@ VERSION_2_4_0 = six.u('2.4.0') VERSION_2_4_1 = six.u('2.4.1') VERSION_2_4_2 = six.u('2.4.2') VERSION_2_4_3 = six.u('2.4.3') +VERSION_2_4_4 = six.u('2.4.4') +VERSION_2_4_5 = six.u('2.4.5') logger = logging.getLogger(__name__) local_zone = tzlocal.get_localzone() @@ -236,8 +239,15 @@ class SerializingObject(object): return ','.join(task['uuid'] for task in value) def deserialize_depends(self, raw_uuids): - raw_uuids = raw_uuids or '' # Convert None to empty string - uuids = raw_uuids.split(',') + 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): @@ -297,7 +307,7 @@ class TaskResource(SerializingObject): # are not propagated. self._original_data = copy.deepcopy(self._data) - def _update_data(self, data, update_original=False): + def _update_data(self, data, update_original=False, remove_missing=False): """ Low level update of the internal _data dict. Data which are coming as updates should already be serialized. If update_original is True, the @@ -306,6 +316,11 @@ class TaskResource(SerializingObject): self._data.update(dict((key, self._deserialize(key, value)) for key, value in data.items())) + # In certain situations, we want to treat missing keys as removals + if remove_missing: + for key in set(self._data.keys()) - set(data.keys()): + self._data[key] = None + if update_original: self._original_data = copy.deepcopy(self._data) @@ -416,6 +431,12 @@ class Task(TaskResource): """ pass + class ActiveTask(Exception): + """ + Raised when the operation cannot be performed on the active task. + """ + pass + class InactiveTask(Exception): """ Raised when the operation cannot be performed on an inactive task. @@ -464,7 +485,8 @@ class Task(TaskResource): # 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())) + task._update_data(json.loads(input_file.readline().strip()), + remove_missing=True) return task @@ -594,6 +616,8 @@ class Task(TaskResource): raise Task.CompletedTask("Cannot start a completed task") elif self.deleted: raise Task.DeletedTask("Deleted task cannot be started") + elif self.active: + raise Task.ActiveTask("Task is already active") self.warrior.execute_command([self['uuid'], 'start']) @@ -627,6 +651,10 @@ class Task(TaskResource): elif self.deleted: raise Task.DeletedTask("Deleted task cannot be completed") + # Older versions of TW do not stop active task at completion + if self.warrior.version < VERSION_2_4_0 and self.active: + self.stop() + self.warrior.execute_command([self['uuid'], 'done']) # Refresh the status again, so that we have updated info stored @@ -651,12 +679,18 @@ class Task(TaskResource): "task: %s" % '\n'.join(id_lines)) # Circumvent the ID storage, since ID is considered read-only - self._data['id'] = int(id_lines[0].split(' ')[2].rstrip('.')) + identifier = id_lines[0].split(' ')[2].rstrip('.') + + # Identifier can be either ID or UUID for completed tasks + try: + self._data['id'] = int(identifier) + except ValueError: + self._data['uuid'] = identifier # 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() + self.refresh(after_save=True) def add_annotation(self, annotation): if not self.saved: @@ -712,7 +746,7 @@ class Task(TaskResource): return args - def refresh(self, only_fields=[]): + def refresh(self, only_fields=None, after_save=False): # Raise error when trying to refresh a task that has not been saved if not self.saved: raise Task.NotSaved("Task needs to be saved to be refreshed") @@ -721,7 +755,39 @@ class Task(TaskResource): # of newly saved tasks. Any other place in the code is fine # with using UUID only. args = [self['uuid'] or self['id'], 'export'] - new_data = json.loads(self.warrior.execute_command(args)[0]) + output = self.warrior.execute_command(args) + + def valid(output): + return len(output) == 1 and output[0].startswith('{') + + # For older TW versions attempt to uniquely locate the task + # using the data we have if it has been just saved. + # This can happen when adding a completed task on older TW versions. + if (not valid(output) and self.warrior.version < VERSION_2_4_4 + and after_save): + + # Make a copy, removing ID and UUID. It's most likely invalid + # (ID 0) if it failed to match a unique task. + data = copy.deepcopy(self._data) + data.pop('id', None) + data.pop('uuid', None) + + taskfilter = TaskFilter(self.warrior) + for key, value in data.items(): + taskfilter.add_filter_param(key, value) + + output = self.warrior.execute_command(['export', '--'] + + taskfilter.get_filter_params()) + + # If more than 1 task has been matched still, raise an exception + if not valid(output): + raise TaskWarriorException( + "Unique identifiers {0} with description: {1} matches " + "multiple tasks: {2}".format( + self['uuid'] or self['id'], self['description'], output) + ) + + new_data = json.loads(output[0]) if only_fields: to_update = dict( [(k, new_data.get(k)) for k in only_fields]) @@ -734,8 +800,8 @@ class TaskFilter(SerializingObject): A set of parameters to filter the task list with. """ - def __init__(self, warrior, filter_params=[]): - self.filter_params = filter_params + def __init__(self, warrior, filter_params=None): + self.filter_params = filter_params or [] super(TaskFilter, self).__init__(warrior) def add_filter(self, filter_str): @@ -762,8 +828,10 @@ class TaskFilter(SerializingObject): # 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 + # which is, however, fixed in 2.4.5 + if self.warrior.version < VERSION_2_4_5: + modifier = '.is' if value else '.none' + key = key + modifier if '.' not in key else key self.filter_params.append(six.u("{0}:{1}").format(key, value)) @@ -900,6 +968,10 @@ class TaskWarrior(object): 'confirmation': 'no', 'dependency.confirmation': 'no', # See TW-1483 or taskrc man page 'recurrence.confirmation': 'no', # Necessary for modifying R tasks + + # Defaults to on since 2.4.5, we expect off during parsing + 'json.array': 'off', + # 2.4.3 onwards supports 0 as infite bulk, otherwise set just # arbitrary big number which is likely to be large enough 'bulk': 0 if self.version >= VERSION_2_4_3 else 100000, @@ -931,6 +1003,22 @@ class TaskWarrior(object): stdout, stderr = [x.decode('utf-8') for x in p.communicate()] return stdout.strip('\n') + def get_config(self): + raw_output = self.execute_command( + ['show'], + config_override={'verbose': 'nothing'} + ) + + config = dict() + config_regex = re.compile(r'^(?P[^\s]+)\s+(?P[^\s].+$)') + + for line in raw_output: + match = config_regex.match(line) + if match: + config[match.group('key')] = match.group('value').strip() + + return config + def execute_command(self, args, config_override={}, allow_failure=True, return_all=False): command_args = self._get_command_args(