X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/86e0329a1e477c8bb59eb033cc7a8f821067b426..58f674add683a16fa44c0d3906319d1b5d934c3e:/tasklib/task.py diff --git a/tasklib/task.py b/tasklib/task.py index cd4b92f..6fbce77 100644 --- a/tasklib/task.py +++ b/tasklib/task.py @@ -1,54 +1,146 @@ +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 = [] + + def _load_data(self, data): + self._data = data + + def __getitem__(self, key): + hydrate_func = getattr(self, 'deserialize_{0}'.format(key), + lambda x: x) + return hydrate_func(self._data.get(key)) + + 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['description'] + + __repr__ = __unicode__ + + +class Task(TaskResource): + read_only_fields = ['id', 'entry', 'urgency'] class DoesNotExist(Exception): pass def __init__(self, warrior, data={}): self.warrior = warrior - self._data = data + self._load_data(data) + self._modified_fields = set() - def __getitem__(self, key): - return self._data.get(key) + def __unicode__(self): + return self['description'] - def __setitem__(self, key, val): - self._data[key] = val + def serialize_due(self, date): + return date.strftime(DATE_FORMAT) - def __unicode__(self): - return self._data.get('description') + def deserialize_due(self, date_str): + if not date_str: + return None + return datetime.datetime.strptime(date_str, DATE_FORMAT) - def regenerate_uuid(self): - self['uuid'] = str(uuid.uuid4()) + def deserialize_annotations(self, data): + return [TaskAnnotation(self, d) for d in data] if data else [] - def delete(self): - self.warrior.delete_task(self['uuid']) + def deserialize_tags(self, tags): + if isinstance(tags, basestring): + return tags.split(',') if tags else [] + return tags - def done(self): - self.warrior.complete_task(self['uuid']) + def serialize_tags(self, tags): + return ','.join(tags) if tags else '' - 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]) + def delete(self): + self.warrior.execute_command([self['id'], 'delete'], config_override={ + 'confirmation': 'no', + }) - __repr__ = __unicode__ + def done(self): + 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): @@ -56,18 +148,22 @@ class TaskFilter(object): A set of parameters to filter the task list with. """ - def __init__(self, filter_params=()): + def __init__(self, filter_params=[]): self.filter_params = filter_params - def add_filter(self, param, value): - self.filter_params += ((param, value),) + def add_filter(self, filter_str): + self.filter_params.append(filter_str) + + def add_filter_param(self, key, value): + key = key.replace('__', '.') + self.filter_params.append('{0}:{1}'.format(key, value)) def get_filter_params(self): - return self.filter_params + return [f for f in self.filter_params if f] def clone(self): c = self.__class__() - c.filter_params = tuple(self.filter_params) + c.filter_params = list(self.filter_params) return c @@ -86,8 +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) @@ -138,7 +234,7 @@ class TaskQuerySet(object): """ Fetch the tasks which match the current filters. """ - return self.warrior._execute_filter(self.filter_obj) + return self.warrior.filter_tasks(self.filter_obj) def all(self): """ @@ -149,13 +245,18 @@ class TaskQuerySet(object): def pending(self): return self.filter(status=PENDING) - def filter(self, **kwargs): + def completed(self): + return self.filter(status=COMPLETED) + + def filter(self, *args, **kwargs): """ Returns a new TaskQuerySet with the given filters added. """ clone = self._clone() - for param, value in kwargs.items(): - clone.filter_obj.add_filter(param, value) + for f in args: + clone.filter_obj.add_filter(f) + for key, value in kwargs.items(): + clone.filter_obj.add_filter_param(key, value) return clone def get(self, **kwargs): @@ -177,62 +278,58 @@ class TaskQuerySet(object): class TaskWarrior(object): - DEFAULT_FILTERS = { - 'status': 'pending', - } - 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), } self.tasks = TaskQuerySet(self) - def _generate_command(self, command): - args = ['task', 'rc:/'] - for item in self.config.items(): - args.append('rc.{0}={1}'.format(*item)) - args.append(command) - return ' '.join(args) - - def _execute_command(self, command): - p = subprocess.Popen(self._generate_command(command), shell=True, - stdout=subprocess.PIPE, stderr=subprocess.PIPE) - stdout, stderr = p.communicate() + def _get_command_args(self, args, config_override={}): + command_args = ['task', 'rc:/'] + config = self.config.copy() + config.update(config_override) + for item in config.items(): + command_args.append('rc.{0}={1}'.format(*item)) + 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 = [x.decode('utf-8') for x in p.communicate()] if p.returncode: - raise TaskWarriorException(stderr.strip()) + if stderr.strip(): + error_msg = stderr.strip().splitlines()[-1] + else: + error_msg = stdout.strip() + raise TaskWarriorException(error_msg) return stdout.strip().split('\n') - def _format_filter_kwarg(self, kwarg): - key, val = kwarg[0], kwarg[1] - key = key.replace('__', '.') - return '{0}:{1}'.format(key, val) - - def _execute_filter(self, filter_obj): - filter_commands = ' '.join(map(self._format_filter_kwarg, - filter_obj.get_filter_params())) - command = '{0} export'.format(filter_commands) + def filter_tasks(self, filter_obj): + args = ['export', '--'] + filter_obj.get_filter_params() tasks = [] - for line in self._execute_command(command): + 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(' '.join(args)) - - def delete_task(self, task_id): - self._execute_command('{0} rc.confirmation:no delete'.format(task_id)) - - def complete_task(self, task_id): - self._execute_command('{0} done'.format(task_id)) + def merge_with(self, path, push=False): + path = path.rstrip('/') + '/' + self.execute_command(['merge', path], config_override={ + 'merge.autopush': 'yes' if push else 'no', + }) - def import_tasks(self, tasks): - fd, path = tempfile.mkstemp() - with open(path, 'w') as f: - f.write(json.dumps(tasks)) - self._execute_command('import {0}'.format(path)) + def undo(self): + self.execute_command(['undo'], config_override={ + 'confirmation': 'no', + })