TaskWarrior: Allow editing a large number of tasks at once

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

diff --git a/tasklib/task.py b/tasklib/task.py
index e448b04f64569cd0e131861abbdc4d63c60c2c44..72e16af4d33d612938c0ffac314e5812ef97f87e 100644 (file)
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -11,6 +11,7 @@ import subprocess
 import tzlocal
 
 DATE_FORMAT = '%Y%m%dT%H%M%SZ'
+DATE_FORMAT_CALC = '%Y-%m-%dT%H:%M:%S'
 REPR_OUTPUT_SIZE = 10
 PENDING = 'pending'
 COMPLETED = 'completed'
@@ -21,6 +22,7 @@ VERSION_2_3_0 = six.u('2.3.0')
 VERSION_2_4_0 = six.u('2.4.0')
 VERSION_2_4_1 = six.u('2.4.1')
 VERSION_2_4_2 = six.u('2.4.2')
+VERSION_2_4_3 = six.u('2.4.3')
 
 logger = logging.getLogger(__name__)
 local_zone = tzlocal.get_localzone()
@@ -88,6 +90,9 @@ class SerializingObject(object):
         to raise ValueError.
     """
 
+    def __init__(self, warrior):
+        self.warrior = warrior
+
     def _deserialize(self, key, value):
         hydrate_func = getattr(self, 'deserialize_{0}'.format(key),
                                lambda x: x if x != '' else None)
@@ -250,13 +255,26 @@ class SerializingObject(object):
             # Convert to local midnight
             value_full = datetime.datetime.combine(value, datetime.time.min)
             localized = local_zone.localize(value_full)
-        elif isinstance(value, datetime.datetime) and value.tzinfo is None:
-            # Convert to localized datetime object
-            localized = local_zone.localize(value)
+        elif isinstance(value, datetime.datetime):
+            if value.tzinfo is None:
+                # Convert to localized datetime object
+                localized = local_zone.localize(value)
+            else:
+                # If the value is already localized, there is no need to change
+                # time zone at this point. Also None is a valid value too.
+                localized = value
+        elif (isinstance(value, six.string_types)
+                and self.warrior.version > VERSION_2_4_0):
+            # For strings, use 'task calc' to evaluate the string to datetime
+            # available since TW 2.4.0
+            args = value.split()
+            result = self.warrior.execute_command(['calc'] + args)
+            naive = datetime.datetime.strptime(result[0], DATE_FORMAT_CALC)
+            localized = local_zone.localize(naive)
         else:
-            # If the value is already localized, there is no need to change
-            # time zone at this point. Also None is a valid value too.
-            localized = value
+            raise ValueError("Provided value could not be converted to "
+                             "datetime, its type is not supported: {}"
+                             .format(type(value)))
 
         return localized
 
@@ -364,6 +382,7 @@ class TaskAnnotation(TaskResource):
     def __init__(self, task, data={}):
         self.task = task
         self._load_data(data)
+        super(TaskAnnotation, self).__init__(task.warrior)
 
     def remove(self):
         self.task.remove_annotation(self)
@@ -444,7 +463,7 @@ class Task(TaskResource):
         return task
 
     def __init__(self, warrior, **kwargs):
-        self.warrior = warrior
+        super(Task, self).__init__(warrior)
 
         # Check that user is not able to set read-only value in __init__
         for key in kwargs.keys():
@@ -690,8 +709,9 @@ class TaskFilter(SerializingObject):
     A set of parameters to filter the task list with.
     """
 
-    def __init__(self, filter_params=[]):
+    def __init__(self, warrior, filter_params=[]):
         self.filter_params = filter_params
+        super(TaskFilter, self).__init__(warrior)
 
     def add_filter(self, filter_str):
         self.filter_params.append(filter_str)
@@ -726,7 +746,7 @@ class TaskFilter(SerializingObject):
         return [f for f in self.filter_params if f]
 
     def clone(self):
-        c = self.__class__()
+        c = self.__class__(self.warrior)
         c.filter_params = list(self.filter_params)
         return c
 
@@ -739,7 +759,7 @@ class TaskQuerySet(object):
     def __init__(self, warrior=None, filter_obj=None):
         self.warrior = warrior
         self._result_cache = None
-        self.filter_obj = filter_obj or TaskFilter()
+        self.filter_obj = filter_obj or TaskFilter(warrior)
 
     def __deepcopy__(self, memo):
         """
@@ -854,14 +874,17 @@ class TaskWarrior(object):
         if create and not os.path.exists(data_location):
             os.makedirs(data_location)
 
+        self.version = self._get_version()
         self.config = {
             'data.location': data_location,
             'confirmation': 'no',
             'dependency.confirmation': 'no',  # See TW-1483 or taskrc man page
             'recurrence.confirmation': 'no',  # Necessary for modifying R tasks
+            # 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,
         }
         self.tasks = TaskQuerySet(self)
-        self.version = self._get_version()
 
     def _get_command_args(self, args, config_override={}):
         command_args = ['task', 'rc:{0}'.format(self.taskrc_location)]
@@ -893,7 +916,7 @@ class TaskWarrior(object):
             else:
                 error_msg = stdout.strip()
             raise TaskWarriorException(error_msg)
-        return stdout.strip().split('\n')
+        return stdout.rstrip().split('\n')
 
     def enforce_recurrence(self):
         # Run arbitrary report command which will trigger generation