TaskWarrior: Enforce recurrent tasks upon each evaluation of filter

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

diff --git a/tasklib/task.py b/tasklib/task.py
index ca21b2bec2caa25f6683f9d1f511ce297e7affbf..51c97d31736dc0a9e3d6aa631f940c3e6fae2344 100644 (file)
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -93,36 +93,54 @@ class SerializingObject(object):
     def deserialize_entry(self, value):
         return self.timestamp_deserializer(value)
 
+    def normalize_entry(self, value):
+        return self.datetime_normalizer(value)
+
     def serialize_modified(self, value):
         return self.timestamp_serializer(value)
 
     def deserialize_modified(self, value):
         return self.timestamp_deserializer(value)
 
+    def normalize_modified(self, value):
+        return self.datetime_normalizer(value)
+
     def serialize_due(self, value):
         return self.timestamp_serializer(value)
 
     def deserialize_due(self, value):
         return self.timestamp_deserializer(value)
 
+    def normalize_due(self, value):
+        return self.datetime_normalizer(value)
+
     def serialize_scheduled(self, value):
         return self.timestamp_serializer(value)
 
     def deserialize_scheduled(self, value):
         return self.timestamp_deserializer(value)
 
+    def normalize_scheduled(self, value):
+        return self.datetime_normalizer(value)
+
     def serialize_until(self, value):
         return self.timestamp_serializer(value)
 
     def deserialize_until(self, value):
         return self.timestamp_deserializer(value)
 
+    def normalize_until(self, value):
+        return self.datetime_normalizer(value)
+
     def serialize_wait(self, value):
         return self.timestamp_serializer(value)
 
     def deserialize_wait(self, value):
         return self.timestamp_deserializer(value)
 
+    def normalize_wait(self, value):
+        return self.datetime_normalizer(value)
+
     def serialize_annotations(self, value):
         value = value if value is not None else []
 
@@ -153,7 +171,7 @@ class SerializingObject(object):
         uuids = raw_uuids.split(',')
         return set(self.warrior.tasks.get(uuid=uuid) for uuid in uuids if uuid)
 
-    def normalize_datetime(self, value):
+    def datetime_normalizer(self, value):
         """
         Normalizes date/datetime value (considered to come from user input)
         to localized datetime value. Following conversions happen:
@@ -221,11 +239,8 @@ class TaskResource(SerializingObject):
         if key in self.read_only_fields:
             raise RuntimeError('Field \'%s\' is read-only' % key)
 
-        # Localize any naive date/datetime to the detected timezone
-        if (isinstance(value, datetime.datetime) or
-            isinstance(value, datetime.date)):
-            value = self.normalize_datetime(value)
-
+        # Normalize the user input before saving it
+        value = self._normalize(key, value)
         self._data[key] = value
 
     def __str__(self):
@@ -593,12 +608,8 @@ class TaskFilter(SerializingObject):
         # convention in TW for empty values
         attribute_key = key.split('.')[0]
 
-        # Since this is user input, we need to normalize datetime
-        # objects
-        if (isinstance(value, datetime.datetime) or
-            isinstance(value, datetime.date)):
-            value = self.normalize_datetime(value)
-
+        # Since this is user input, we need to normalize before we serialize
+        value = self._normalize(key, value)
         value = self._serialize(attribute_key, value)
 
         # If we are filtering by uuid:, do not use uuid keyword
@@ -766,14 +777,14 @@ 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={}):
+    def execute_command(self, args, config_override={}, allow_failure=True):
         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:
+        if p.returncode and allow_failure:
             if stderr.strip():
                 error_msg = stderr.strip().splitlines()[-1]
             else:
@@ -781,7 +792,15 @@ class TaskWarrior(object):
             raise TaskWarriorException(error_msg)
         return stdout.strip().split('\n')
 
+    def enforce_recurrence(self):
+        # Run arbitrary report command which will trigger generation
+        # of recurrent tasks.
+        # TODO: Make a version dependant enforcement once
+        #       TW-1531 is handled
+        self.execute_command(['next'], allow_failure=False)
+
     def filter_tasks(self, filter_obj):
+        self.enforce_recurrence()
         args = ['export', '--'] + filter_obj.get_filter_params()
         tasks = []
         for line in self.execute_command(args):