docs: describes the new group options

This commit is contained in:
Ilan
2015-07-18 18:50:14 +02:00
parent a5d4c5186c
commit e1d483e1c1
2 changed files with 67 additions and 10 deletions
+5 -1
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@@ -51,7 +51,7 @@ Reference
.. py:function:: schedule(func, *args, hook=None, schedule_type='O', repeats=-1, next_run=now() , **kwargs) .. py:function:: schedule(func, *args, hook=None, schedule_type='O', repeats=-1, next_run=now() , **kwargs)
Creates a schedule Creates a schedule
:param str name: A sensible name for your schedule
:param str func: the function to schedule. Dotted strings only. :param str func: the function to schedule. Dotted strings only.
:param args: arguments for the scheduled function. :param args: arguments for the scheduled function.
:param str hook: optional result hook function. Dotted strings only. :param str hook: optional result hook function. Dotted strings only.
@@ -68,6 +68,10 @@ Reference
Primary key Primary key
.. py:attribute:: name
A name for your schedule. Tasks created by this schedule will assume this as their group id.
.. py:attribute:: func .. py:attribute:: func
The function to be scheduled The function to be scheduled
+62 -9
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@@ -31,6 +31,31 @@ Use :func:`async` from your code to quickly offload tasks to the :class:`Cluster
def print_result(task): def print_result(task):
print(task.result) print(task.result)
Groups
------
You can group together results by passing :func:`async` the optional `group` keyword:
.. code-block:: python
from django_q import async, result_group
for i in range(4):
async('math.modf', i, group='modf')
# after the tasks have finished you can get the group results
result = result_group('modf')
print(result)
.. code-block:: python
[(0.0, 0.0), (0.0, 1.0), (0.0, 2.0), (0.0, 3.0)]
Take care that you haven't limited your results database too much and that the group identifier is unique for each run.
Instead of :func:`result_group` you can also use :func:`fetch_group` to return a list of :class:`Task` objects.
.. note::
Tasks created by a schedule, will use the schedules name as their group id.
Synchronous testing Synchronous testing
------------------- -------------------
@@ -78,19 +103,19 @@ When you are making individual calls to :func:`async` a lot though, it can help
Reference Reference
--------- ---------
.. py:function:: async(func, *args, hook=None, timeout=None, sync=False, redis=None, **kwargs) .. py:function:: async(func, *args, hook=None, group=None, timeout=None,\
sync=False, redis=None, **kwargs)
Puts a task in the cluster queue Puts a task in the cluster queue
:param func: The task function to execute :param object func: The task function to execute
:param args: The arguments for the task function :param tuple args: The arguments for the task function
:type func: object :param object hook: Optional function to call after execution
:param hook: Optional function to call after execution :param str group: An optional group identifier
:type hook: object
:param int timeout: Overrides global cluster :ref:`timeout`. :param int timeout: Overrides global cluster :ref:`timeout`.
:param bool sync: If set to True, async will simulate a task execution :param bool sync: If set to True, async will simulate a task execution
:param redis: Optional redis connection :param redis: Optional redis connection
:param kwargs: Keyword arguments for the task function :param dict kwargs: Keyword arguments for the task function
:returns: The uuid of the task :returns: The uuid of the task
:rtype: str :rtype: str
@@ -106,13 +131,29 @@ Reference
Returns a previously executed task Returns a previously executed task
:param str name: the uuid or name of the task :param str name: the uuid or name of the task
:returns: The task :returns: The task if any
:rtype: Task :rtype: Task
.. versionchanged:: 0.2.0 .. versionchanged:: 0.2.0
Renamed from get_task Renamed from get_task
.. py:function:: result_group(group_id)
Returns the results of a task group
:param str group_id: the group identifier
:returns: a list of results
:rtype: list
.. py:function:: fetch_group(group_id)
Returns a list of tasks in a group
:param str group_id: the group identifier
:returns: a list of Tasks
:rtype: list
.. py:class:: Task .. py:class:: Task
Database model describing an executed task Database model describing an executed task
@@ -174,7 +215,19 @@ Reference
.. py:classmethod:: get_result(task_id) .. py:classmethod:: get_result(task_id)
Get a result directly by task uuid or name Gets a result directly by task uuid or name.
.. py:classmethod:: get_result_group(group_id)
Returns a list of results from a task group.
.. py:classmethod:: get_task(task_id)
Fetches a single task object by uuid or name.
.. py:classmethod:: get_task_group(group_id)
Gets a queryset of tasks with this group id.
.. py:class:: Success .. py:class:: Success