X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/3e74cb3326bf929fe57ac726997256f3780ba46f..dd44e7a4b6a175a6d88d16ccb2bd6ca05f6d9dc5:/tasklib/backends.py
diff --git a/tasklib/backends.py b/tasklib/backends.py
index 0d01470..fa5ce86 100644
--- a/tasklib/backends.py
+++ b/tasklib/backends.py
@@ -1,23 +1,21 @@
import abc
+import copy
+import datetime
import json
+import logging
import os
import re
+import six
import subprocess
+import copy
-from tasklib.filters import TaskWarriorFilter
-from tasklib.serializing import local_zone
+from .task import Task, TaskQuerySet, ReadOnlyDictView
+from .filters import TaskWarriorFilter
+from .serializing import local_zone
DATE_FORMAT_CALC = '%Y-%m-%dT%H:%M:%S'
-VERSION_2_1_0 = six.u('2.1.0')
-VERSION_2_2_0 = six.u('2.2.0')
-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')
-VERSION_2_4_4 = six.u('2.4.4')
-VERSION_2_4_5 = six.u('2.4.5')
+logger = logging.getLogger(__name__)
class Backend(object):
@@ -85,7 +83,18 @@ class TaskWarriorException(Exception):
pass
-class TaskWarrior(object):
+class TaskWarrior(Backend):
+
+ VERSION_2_1_0 = six.u('2.1.0')
+ VERSION_2_2_0 = six.u('2.2.0')
+ 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')
+ 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'):
self.taskrc_location = os.path.expanduser(taskrc_location)
@@ -94,8 +103,9 @@ class TaskWarrior(object):
if not os.path.exists(self.taskrc_location):
self.taskrc_location = '/'
+ self._config = None
self.version = self._get_version()
- self.config = {
+ self.overrides = {
'confirmation': 'no',
'dependency.confirmation': 'no', # See TW-1483 or taskrc man page
'recurrence.confirmation': 'no', # Necessary for modifying R tasks
@@ -105,7 +115,7 @@ class TaskWarrior(object):
# 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,
+ 'bulk': 0 if self.version >= self.VERSION_2_4_3 else 100000,
}
# Set data.location override if passed via kwarg
@@ -113,24 +123,24 @@ class TaskWarrior(object):
data_location = os.path.expanduser(data_location)
if create and not os.path.exists(data_location):
os.makedirs(data_location)
- self.config['data.location'] = data_location
+ self.overrides['data.location'] = data_location
self.tasks = TaskQuerySet(self)
def _get_command_args(self, args, config_override=None):
command_args = ['task', 'rc:{0}'.format(self.taskrc_location)]
- config = self.config.copy()
- config.update(config_override or dict())
- for item in config.items():
+ overrides = self.overrides.copy()
+ 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))
return command_args
def _get_version(self):
p = subprocess.Popen(
- ['task', '--version'],
- stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
+ ['task', '--version'],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
stdout, stderr = [x.decode('utf-8') for x in p.communicate()]
return stdout.strip('\n')
@@ -147,10 +157,11 @@ class TaskWarrior(object):
if serialized_value is '':
escaped_serialized_value = ''
else:
- escaped_serialized_value = six.u("'{0}'").format(serialized_value)
+ escaped_serialized_value = six.u("'{0}'").format(
+ serialized_value)
- format_default = lambda: six.u("{0}:{1}").format(field,
- escaped_serialized_value)
+ format_default = lambda task: six.u("{0}:{1}").format(
+ field, escaped_serialized_value)
format_func = getattr(self, 'format_{0}'.format(field),
format_default)
@@ -180,26 +191,26 @@ class TaskWarrior(object):
old_dependencies = task._original_data.get('depends', set())
- added = self['depends'] - old_dependencies
- removed = old_dependencies - self['depends']
+ added = task['depends'] - old_dependencies
+ removed = old_dependencies - task['depends']
# Removed dependencies need to be prefixed with '-'
return 'depends:' + ','.join(
- [t['uuid'] for t in added] +
- ['-' + t['uuid'] for t in removed]
- )
+ [t['uuid'] for t in added] +
+ ['-' + t['uuid'] for t in removed]
+ )
def format_description(self, task):
# Task version older than 2.4.0 ignores first word of the
# task description if description: prefix is used
- if self.version < VERSION_2_4_0:
+ if self.version < self.VERSION_2_4_0:
return task._data['description']
else:
return six.u("description:'{0}'").format(task._data['description'] or '')
def convert_datetime_string(self, value):
- if self.version >= VERSION_2_4_0:
+ if self.version >= self.VERSION_2_4_0:
# For strings, use 'task calc' to evaluate the string to datetime
# available since TW 2.4.0
args = value.split()
@@ -211,17 +222,25 @@ class TaskWarrior(object):
"datetime, its type is not supported: {}"
.format(type(value)))
+ return localized
+
@property
def filter_class(self):
return TaskWarriorFilter
# Public interface
- def get_config(self):
+ @property
+ def config(self):
+ # First, check if memoized information is available
+ if self._config:
+ return self._config
+
+ # If not, fetch the config using the 'show' command
raw_output = self.execute_command(
- ['show'],
- config_override={'verbose': 'nothing'}
- )
+ ['show'],
+ config_override={'verbose': 'nothing'}
+ )
config = dict()
config_regex = re.compile(r'^(?P<key>[^\s]+)\s+(?P<value>[^\s].+$)')
@@ -231,7 +250,10 @@ class TaskWarrior(object):
if match:
config[match.group('key')] = match.group('value').strip()
- return config
+ # Memoize the config dict
+ self._config = ReadOnlyDictView(config)
+
+ return self._config
def execute_command(self, args, config_override=None, allow_failure=True,
return_all=False):
@@ -261,7 +283,7 @@ class TaskWarrior(object):
# of recurrent tasks.
# Only necessary for TW up to 2.4.1, fixed in 2.4.2.
- if self.version < VERSION_2_4_2:
+ if self.version < self.VERSION_2_4_2:
self.execute_command(['next'], allow_failure=False)
def merge_with(self, path, push=False):
@@ -332,7 +354,7 @@ class TaskWarrior(object):
def complete_task(self, task):
# Older versions of TW do not stop active task at completion
- if self.version < VERSION_2_4_0 and task.active:
+ if self.version < self.VERSION_2_4_0 and task.active:
task.stop()
self.execute_command([task['uuid'], 'done'])
@@ -358,7 +380,7 @@ class TaskWarrior(object):
# For older TW versions attempt to uniquely locate the task
# using the data we have if it has been just saved.
# This can happen when adding a completed task on older TW versions.
- if (not valid(output) and self.version < VERSION_2_4_5
+ if (not valid(output) and self.version < self.VERSION_2_4_5
and after_save):
# Make a copy, removing ID and UUID. It's most likely invalid
@@ -372,14 +394,14 @@ class TaskWarrior(object):
taskfilter.add_filter_param(key, value)
output = self.execute_command(['export', '--'] +
- taskfilter.get_filter_params())
+ 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(
- task['uuid'] or task['id'], task['description'], output)
+ task['uuid'] or task['id'], task['description'], output)
)
return json.loads(output[0])