[IPython-user] kernel.Task's depend not working

Brian Granger ellisonbg.net@gmail....
Wed Apr 8 11:12:04 CDT 2009

Please see the new thread about this issue that was started today.  I
have some new ideas on how to handle these things that should be a
huge improvement.


On Thu, Apr 2, 2009 at 10:36 PM, Brian Granger <ellisonbg.net@gmail.com> wrote:
> This all applies to the current trunk...
> Both the MapTask and StringTask classes have a depend keyword
> argument.  Here is the docstring.
>            depend : FunctionType
>                A function that is called to test for properties.  This function
>                must take one argument, the properties dict and return a boolean
> The properties dict for each engine can be manipulated with the
> MultiEngineClient.*_properties methods.
> Cheers,
> Brian
> On Fri, Oct 24, 2008 at 12:38 AM, Yichun Wei <yichun.wei@gmail.com> wrote:
>> Hi,
>> Kinda wondering about the status of the kernel.task.Task object, I
>> have not tried the parallel stuff in the new IPython (>=0.9.0) but am
>> thinking about migrating over to the new IPython.
>> Correct me please: since I did not see anything about "depend=" in the
>> document, nor in any tests, should I assume the dependency feature of
>> Tasks is removed? That dependency feature once existed in IPython1. Is
>> it being removed during the merge?
>> Thanks a lot for the IPython parallel computing work!
>> -yichun
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