X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/e111a723be6f1ba127e7840e6e5417e693167aba..1c7620f16af735f074cc9903e15e38260f1faf4e:/tasklib/task.py

diff --git a/tasklib/task.py b/tasklib/task.py
index bb53517..708c9c7 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
@@ -297,7 +298,7 @@ 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 +307,11 @@ 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 +422,18 @@ 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 +476,8 @@ 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
 
@@ -588,12 +607,29 @@ 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")
@@ -606,6 +642,10 @@ 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
@@ -879,6 +919,10 @@ 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,
@@ -910,6 +954,22 @@ 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<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(