X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/a4523acd2a9a8837eadac8b2d099fd64db47e939..f24e18261a3d19b01bca32d5471b84729ec9efa9:/tasklib/backends.py

diff --git a/tasklib/backends.py b/tasklib/backends.py
index 25193cc..9110e12 100644
--- a/tasklib/backends.py
+++ b/tasklib/backends.py
@@ -75,7 +75,7 @@ class Backend(object):
         Converts TW syntax datetime string to a localized datetime
         object. This method is not mandatory.
         """
-        raise NotImplemented
+        raise NotImplementedError
 
 
 class TaskWarriorException(Exception):
@@ -94,7 +94,8 @@ class TaskWarrior(Backend):
     VERSION_2_4_4 = six.u('2.4.4')
     VERSION_2_4_5 = six.u('2.4.5')
 
-    def __init__(self, data_location=None, create=True, taskrc_location='~/.taskrc'):
+    def __init__(self, data_location=None, create=True,
+                 taskrc_location='~/.taskrc'):
         self.taskrc_location = os.path.expanduser(taskrc_location)
 
         # If taskrc does not exist, pass / to use defaults and avoid creating
@@ -132,7 +133,10 @@ class TaskWarrior(Backend):
         overrides.update(config_override or dict())
         for item in overrides.items():
             command_args.append('rc.{0}={1}'.format(*item))
-        command_args.extend(map(six.text_type, args))
+        command_args.extend([
+            x.decode('utf-8') if isinstance(x, six.binary_type)
+            else six.text_type(x) for x in args
+        ])
         return command_args
 
     def _get_version(self):
@@ -171,11 +175,17 @@ class TaskWarrior(Backend):
         if task.saved:
             for field in task._modified_fields:
                 add_field(field)
+
         # For new tasks, pass all fields that make sense
         else:
             for field in task._data.keys():
+                # We cannot set stuff that's read only (ID, UUID, ..)
                 if field in task.read_only_fields:
                     continue
+                # We do not want to do field deletion for new tasks
+                if task._data[field] is None:
+                    continue
+                # Otherwise we're fine
                 add_field(field)
 
         return args
@@ -205,7 +215,9 @@ class TaskWarrior(Backend):
         if self.version < self.VERSION_2_4_0:
             return task._data['description']
         else:
-            return six.u("description:'{0}'").format(task._data['description'] or '')
+            return six.u("description:'{0}'").format(
+                task._data['description'] or '',
+            )
 
     def convert_datetime_string(self, value):
 
@@ -217,9 +229,11 @@ class TaskWarrior(Backend):
             naive = datetime.datetime.strptime(result[0], DATE_FORMAT_CALC)
             localized = local_zone.localize(naive)
         else:
-            raise ValueError("Provided value could not be converted to "
-                             "datetime, its type is not supported: {}"
-                             .format(type(value)))
+            raise ValueError(
+                'Provided value could not be converted to '
+                'datetime, its type is not supported: {}'
+                .format(type(value)),
+            )
 
         return localized
 
@@ -242,7 +256,7 @@ class TaskWarrior(Backend):
         )
 
         config = dict()
-        config_regex = re.compile(r'^(?P<key>[^\s]+)\s+(?P<value>[^\s].+$)')
+        config_regex = re.compile(r'^(?P<key>[^\s]+)\s+(?P<value>[^\s].*$)')
 
         for line in raw_output:
             match = config_regex.match(line)
@@ -258,7 +272,8 @@ class TaskWarrior(Backend):
                         return_all=False):
         command_args = self._get_command_args(
             args, config_override=config_override)
-        logger.debug(' '.join(command_args))
+        logger.debug(u' '.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()]
@@ -267,6 +282,7 @@ class TaskWarrior(Backend):
                 error_msg = stderr.strip()
             else:
                 error_msg = stdout.strip()
+            error_msg += u'\nCommand used: ' + u' '.join(command_args)
             raise TaskWarriorException(error_msg)
 
         # Return all whole triplet only if explicitly asked for
@@ -298,7 +314,7 @@ class TaskWarrior(Backend):
 
     def filter_tasks(self, filter_obj):
         self.enforce_recurrence()
-        args = ['export', '--'] + filter_obj.get_filter_params()
+        args = ['export'] + filter_obj.get_filter_params()
         tasks = []
         for line in self.execute_command(args):
             if line:
@@ -323,10 +339,14 @@ class TaskWarrior(Backend):
             id_lines = [l for l in output if l.startswith('Created task ')]
 
             # Complain loudly if it seems that more tasks were created
-            # Should not happen
-            if len(id_lines) != 1 or len(id_lines[0].split(' ')) != 3:
-                raise TaskWarriorException("Unexpected output when creating "
-                                           "task: %s" % '\n'.join(id_lines))
+            # Should not happen.
+            # Expected output: Created task 1.
+            #                  Created task 1 (recurrence template).
+            if len(id_lines) != 1 or len(id_lines[0].split(' ')) not in (3, 5):
+                raise TaskWarriorException(
+                    'Unexpected output when creating '
+                    'task: %s' % '\n'.join(id_lines),
+                )
 
             # Circumvent the ID storage, since ID is considered read-only
             identifier = id_lines[0].split(' ')[2].rstrip('.')
@@ -392,14 +412,14 @@ class TaskWarrior(Backend):
             for key, value in data.items():
                 taskfilter.add_filter_param(key, value)
 
-            output = self.execute_command(['export', '--'] +
+            output = self.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(
+                'Unique identifiers {0} with description: {1} matches '
+                'multiple tasks: {2}'.format(
                     task['uuid'] or task['id'], task['description'], output)
             )