backend: When task returns non-zero return code, include the task command in the...

[etc/taskwarrior.git] / tasklib / backends.py

diff --git a/tasklib/backends.py b/tasklib/backends.py
index b15e8bd97afac69339d6cdeb64bce43d953616bc..4b0c6df36221f7681cba68188158218707406dc2 100644 (file)
--- 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):
@@ -132,7 +132,7 @@ 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') for x in args])
         return command_args
 
     def _get_version(self):
@@ -171,11 +171,17 @@ 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
@@ -258,7 +264,8 @@ 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 +274,7 @@ 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
@@ -323,8 +331,10 @@ 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:
+            # 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))