X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/b0b1b863292eb7b5777cfb25a6bc5d1ab0b8282f..0b7eee0a63b5d15d2dbbba7d35cb9600c5b7bab1:/tasklib/task.py?ds=sidebyside

diff --git a/tasklib/task.py b/tasklib/task.py
index 38386ef..ce915bf 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
@@ -236,8 +237,15 @@ 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 +305,7 @@ 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 +314,11 @@ 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 +429,18 @@ 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.
+        """
+        pass
+
     class NotSaved(Exception):
         """
         Raised when the operation cannot be performed on the task, because
@@ -458,7 +483,8 @@ 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
 
@@ -518,6 +544,10 @@ class Task(TaskResource):
     def pending(self):
         return self['status'] == six.text_type('pending')
 
+    @property
+    def active(self):
+        return self['start'] is not None
+
     @property
     def saved(self):
         return self['uuid'] is not None or self['id'] is not None
@@ -556,7 +586,7 @@ class Task(TaskResource):
         if self.warrior.version < VERSION_2_4_0:
             return self._data['description']
         else:
-            return "description:'{0}'".format(self._data['description'] or '')
+            return six.u("description:'{0}'").format(self._data['description'] or '')
 
     def delete(self):
         if not self.saved:
@@ -584,12 +614,29 @@ 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'])
 
         # Refresh the status again, so that we have updated info stored
         self.refresh(only_fields=['status', 'start'])
 
+    def stop(self):
+        if not self.saved:
+            raise Task.NotSaved("Task needs to be saved before it can be stopped")
+
+        # Refresh, and raise exception if task is already completed/deleted
+        self.refresh(only_fields=['status'])
+
+        if not self.active:
+            raise Task.InactiveTask("Cannot stop an inactive task")
+
+        self.warrior.execute_command([self['uuid'], 'stop'])
+
+        # Refresh the status again, so that we have updated info stored
+        self.refresh(only_fields=['status', 'start'])
+
     def done(self):
         if not self.saved:
             raise Task.NotSaved("Task needs to be saved before it can be completed")
@@ -602,6 +649,10 @@ 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
@@ -626,7 +677,13 @@ 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
@@ -664,9 +721,9 @@ class Task(TaskResource):
             if serialized_value is '':
                 escaped_serialized_value = ''
             else:
-                escaped_serialized_value = "'{0}'".format(serialized_value)
+                escaped_serialized_value = six.u("'{0}'").format(serialized_value)
 
-            format_default = lambda: "{0}:{1}".format(field,
+            format_default = lambda: six.u("{0}:{1}").format(field,
                                                       escaped_serialized_value)
 
             format_func = getattr(self, 'format_{0}'.format(field),
@@ -740,7 +797,7 @@ class TaskFilter(SerializingObject):
             modifier = '.is' if value else '.none'
             key = key + modifier if '.' not in key else key
 
-            self.filter_params.append("{0}:{1}".format(key, value))
+            self.filter_params.append(six.u("{0}:{1}").format(key, value))
 
     def get_filter_params(self):
         return [f for f in self.filter_params if f]
@@ -875,9 +932,13 @@ 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,
+            'bulk': 0 if self.version >= VERSION_2_4_3 else 100000,
         }
 
         # Set data.location override if passed via kwarg
@@ -885,7 +946,7 @@ class TaskWarrior(object):
             data_location = os.path.expanduser(data_location)
             if create and not os.path.exists(data_location):
                 os.makedirs(data_location)
-            self.config['data.location'] = data_location,
+            self.config['data.location'] = data_location
 
         self.tasks = TaskQuerySet(self)
 
@@ -895,7 +956,7 @@ class TaskWarrior(object):
         config.update(config_override)
         for item in config.items():
             command_args.append('rc.{0}={1}'.format(*item))
-        command_args.extend(map(str, args))
+        command_args.extend(map(six.text_type, args))
         return command_args
 
     def _get_version(self):
@@ -906,7 +967,24 @@ class TaskWarrior(object):
         stdout, stderr = [x.decode('utf-8') for x in p.communicate()]
         return stdout.strip('\n')
 
-    def execute_command(self, args, config_override={}, allow_failure=True):
+    def get_config(self):
+        raw_output = self.execute_command(
+                ['show'],
+                config_override={'verbose': 'nothing'}
+            )
+
+        config = dict()
+        config_regex = re.compile(r'^(?P<key>[^\s]+)\s+(?P<value>[^\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(
             args, config_override=config_override)
         logger.debug(' '.join(command_args))
@@ -919,7 +997,14 @@ class TaskWarrior(object):
             else:
                 error_msg = stdout.strip()
             raise TaskWarriorException(error_msg)
-        return stdout.rstrip().split('\n')
+
+        # Return all whole triplet only if explicitly asked for
+        if not return_all:
+            return stdout.rstrip().split('\n')
+        else:
+            return (stdout.rstrip().split('\n'),
+                    stderr.rstrip().split('\n'),
+                    p.returncode)
 
     def enforce_recurrence(self):
         # Run arbitrary report command which will trigger generation