X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/57e5c12f9f47639ab48bb53103aaf831b675c53b..17c10da870b0285156284ebcf06642db774f372e:/tasklib/task.py diff --git a/tasklib/task.py b/tasklib/task.py index a3f1487..6fbce77 100644 --- a/tasklib/task.py +++ b/tasklib/task.py @@ -1,48 +1,85 @@ +from __future__ import print_function import copy import datetime import json +import logging import os +import six import subprocess -import tempfile -import uuid - DATE_FORMAT = '%Y%m%dT%H%M%SZ' - REPR_OUTPUT_SIZE = 10 - PENDING = 'pending' +COMPLETED = 'completed' + +logger = logging.getLogger(__name__) class TaskWarriorException(Exception): pass -class Task(object): +class TaskResource(object): + read_only_fields = [] - class DoesNotExist(Exception): - pass - - def __init__(self, warrior, data={}): - self.warrior = warrior + def _load_data(self, data): self._data = data def __getitem__(self, key): - return self._get_field(key) + hydrate_func = getattr(self, 'deserialize_{0}'.format(key), + lambda x: x) + return hydrate_func(self._data.get(key)) - def __setitem__(self, key, val): - self._data[key] = val + def __setitem__(self, key, value): + if key in self.read_only_fields: + raise RuntimeError('Field \'%s\' is read-only' % key) + dehydrate_func = getattr(self, 'serialize_{0}'.format(key), + lambda x: x) + self._data[key] = dehydrate_func(value) + self._modified_fields.add(key) + + def __str__(self): + s = six.text_type(self.__unicode__()) + if not six.PY3: + s = s.encode('utf-8') + return s + + +class TaskAnnotation(TaskResource): + read_only_fields = ['entry', 'description'] + + def __init__(self, task, data={}): + self.task = task + self._load_data(data) + + def deserialize_entry(self, data): + return datetime.datetime.strptime(data, DATE_FORMAT) if data else None + + def serialize_entry(self, date): + return date.strftime(DATE_FORMAT) if date else '' + + def remove(self): + self.task.remove_annotation(self) def __unicode__(self): - return self._data.get('description') + return self['description'] - def _get_field(self, key): - hydrate_func = getattr(self, 'deserialize_{0}'.format(key), lambda x:x) - return hydrate_func(self._data.get(key)) + __repr__ = __unicode__ - def _set_field(self, key, value): - dehydrate_func = getattr(self, 'serialize_{0}'.format(key), lambda x:x) - self._data[key] = dehydrate_func(value) + +class Task(TaskResource): + read_only_fields = ['id', 'entry', 'urgency'] + + class DoesNotExist(Exception): + pass + + def __init__(self, warrior, data={}): + self.warrior = warrior + self._load_data(data) + self._modified_fields = set() + + def __unicode__(self): + return self['description'] def serialize_due(self, date): return date.strftime(DATE_FORMAT) @@ -52,36 +89,58 @@ class Task(object): return None return datetime.datetime.strptime(date_str, DATE_FORMAT) - def serialize_annotations(self, annotations): - ann_list = list(annotations) - for ann in ann_list: - ann['entry'] = ann['entry'].strftime(DATE_FORMAT) - return ann_list + def deserialize_annotations(self, data): + return [TaskAnnotation(self, d) for d in data] if data else [] - def deserialize_annotations(self, annotations): - ann_list = list(annotations) - for ann in ann_list: - ann['entry'] = datetime.datetime.strptime( - ann['entry'], DATE_FORMAT) - return ann_list + def deserialize_tags(self, tags): + if isinstance(tags, basestring): + return tags.split(',') if tags else [] + return tags - def regenerate_uuid(self): - self['uuid'] = str(uuid.uuid4()) + def serialize_tags(self, tags): + return ','.join(tags) if tags else '' def delete(self): - self.warrior.delete_task(self['uuid']) + self.warrior.execute_command([self['id'], 'delete'], config_override={ + 'confirmation': 'no', + }) def done(self): - self.warrior.complete_task(self['uuid']) - - def save(self, delete_first=True): - if self['uuid'] and delete_first: - self.delete() - if not self['uuid'] or delete_first: - self.regenerate_uuid() - self.warrior.import_tasks([self._data]) - - __repr__ = __unicode__ + self.warrior.execute_command([self['id'], 'done']) + + def save(self): + args = [self['id'], 'modify'] if self['id'] else ['add'] + args.extend(self._get_modified_fields_as_args()) + self.warrior.execute_command(args) + self._modified_fields.clear() + + def add_annotation(self, annotation): + args = [self['id'], 'annotate', annotation] + self.warrior.execute_command(args) + self.refresh(only_fields=['annotations']) + + def remove_annotation(self, annotation): + if isinstance(annotation, TaskAnnotation): + annotation = annotation['description'] + args = [self['id'], 'denotate', annotation] + self.warrior.execute_command(args) + self.refresh(only_fields=['annotations']) + + def _get_modified_fields_as_args(self): + args = [] + for field in self._modified_fields: + args.append('{}:{}'.format(field, self._data[field])) + return args + + def refresh(self, only_fields=[]): + args = [self['uuid'], 'export'] + new_data = json.loads(self.warrior.execute_command(args)[0]) + if only_fields: + to_update = dict( + [(k, new_data.get(k)) for k in only_fields]) + self._data.update(to_update) + else: + self._data = new_data class TaskFilter(object): @@ -123,8 +182,8 @@ class TaskQuerySet(object): 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'): + 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) @@ -186,6 +245,9 @@ class TaskQuerySet(object): 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. @@ -217,7 +279,8 @@ class TaskQuerySet(object): class TaskWarrior(object): def __init__(self, data_location='~/.task', create=True): - if not os.path.exists(data_location): + data_location = os.path.expanduser(data_location) + if create and not os.path.exists(data_location): os.makedirs(data_location) self.config = { 'data.location': os.path.expanduser(data_location), @@ -230,17 +293,21 @@ class TaskWarrior(object): config.update(config_override) for item in config.items(): command_args.append('rc.{0}={1}'.format(*item)) - command_args.extend(args) + command_args.extend(map(str, args)) return command_args def execute_command(self, args, config_override={}): command_args = self._get_command_args( args, config_override=config_override) + logger.debug(' '.join(command_args)) p = subprocess.Popen(command_args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) - stdout, stderr = p.communicate() + stdout, stderr = [x.decode('utf-8') for x in p.communicate()] if p.returncode: - error_msg = stderr.strip().splitlines()[-1] + if stderr.strip(): + error_msg = stderr.strip().splitlines()[-1] + else: + error_msg = stdout.strip() raise TaskWarriorException(error_msg) return stdout.strip().split('\n') @@ -249,39 +316,20 @@ class TaskWarrior(object): tasks = [] for line in self.execute_command(args): if line: - tasks.append(Task(self, json.loads(line.strip(',')))) + data = line.strip(',') + try: + tasks.append(Task(self, json.loads(data))) + except ValueError: + raise TaskWarriorException('Invalid JSON: %s' % data) return tasks - def add_task(self, description, project=None): - args = ['add', description] - if project is not None: - args.append('project:{0}'.format(project)) - self.execute_command(args) - - def delete_task(self, task_id): - args = [task_id, 'rc.confirmation:no', 'delete'] - self.execute_command(args) - - def complete_task(self, task_id): - args = [task_id, 'done'] - self.execute_command(args) - - def import_tasks(self, tasks): - fd, path = tempfile.mkstemp() - with open(path, 'w') as f: - f.write(json.dumps(tasks)) - args = ['import', path] - self.execute_command(args) - def merge_with(self, path, push=False): path = path.rstrip('/') + '/' - args = ['merge', path] - self.execute_command(args, config_override={ + self.execute_command(['merge', path], config_override={ 'merge.autopush': 'yes' if push else 'no', }) def undo(self): - args = ['undo'] - self.execute_command(args, config_override={ + self.execute_command(['undo'], config_override={ 'confirmation': 'no', })