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Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing

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On Thu, Oct 10, 2013 at 2:41 PM, Ned Batchelder <ned@nedbatchelder.com>wrote:

> On 10/10/13 12:44 PM, Isaac Gerg wrote:
>
>> Sorry, I am just providing pseudo code since I the code i have is quite
>> large.
>>
>> As I mentioned, the code works fine when I remove the multirpcessing
>> stuff so the filename is not the issue (though you are right in your
>> correction).
>>
>> Someone with the same problem posted a smaller, more complete example
>> here:
>>
>> http://stackoverflow.com/**questions/948119/preventing-**
>> file-handle-inheritance-in-**multiprocessing-lib<http://stackoverflow.com/questions/948119/preventing-file-handle-inheritance-in-multiprocessing-lib>
>>
>> None of the solutions posted work.
>>
>
> (BTW: it's better form to reply beneath the original text, not above it.)
>
> None of the solutions try the obvious thing of closing the file before
> spawning more processes.  Would that work for you?  A "with" statement is a
> convenient way to do this:
>
>     with open(filename,'r') as f:
>         data = f.read()
>
> The file is closed automatically when the with statement ends.
>
> --Ned.
>
>
>> On Thursday, October 10, 2013 12:38:19 PM UTC-4, Piet van Oostrum wrote:
>>
>>> Isaac Gerg <isaac.gerg@gergltd.com> writes:
>>>
>>>
>>>
>>>  I have a function that looks like the following:
>>>>
>>>
>>>
>>> That doesn't look like a function
>>>
>>>
>>>
>>>  #-----------------------------**----
>>>> filename = 'c:\testfile.h5'
>>>>
>>>
>>>
>>> Your filename is most probably wrong. It should be something like:
>>>
>>>
>>>
>>> filename = 'c:/testfile.h5'
>>>
>>> filename = 'c:\\testfile.h5'
>>>
>>> filename = r'c:\testfile.h5'
>>>
>>> --
>>>
>>> Piet van Oostrum <piet@vanoostrum.org>
>>>
>>> WWW: http://pietvanoostrum.com/
>>>
>>> PGP key: [8DAE142BE17999C4]
>>>
>>
>
I will try what you suggest and see if it works.

Additionally, is there a place on the web to view this conversation and
reply?  Currently, I am only able to access this list through email.

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Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Isaac Gerg <isaac.gerg@gergltd.com> - 2013-10-10 08:31 -0700
  Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Piet van Oostrum <piet@vanoostrum.org> - 2013-10-10 12:38 -0400
    Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Isaac Gerg <isaac.gerg@gergltd.com> - 2013-10-10 09:44 -0700
      Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Ned Batchelder <ned@nedbatchelder.com> - 2013-10-10 14:41 -0400
      Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Isaac Gerg <isaac.gerg@gergltd.com> - 2013-10-10 14:49 -0400
      Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Isaac Gerg <isaac.gerg@gergltd.com> - 2013-10-10 15:00 -0400
      Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Piet van Oostrum <piet@vanoostrum.org> - 2013-10-10 15:38 -0400
        Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Isaac Gerg <isaac.gerg@gergltd.com> - 2013-10-10 14:15 -0700
      Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing Terry Reedy <tjreedy@udel.edu> - 2013-10-10 21:45 -0400
  Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing mapoe <matthias@kill.at> - 2013-10-10 18:16 -0500
    Re: Python 3.2 | WIndows 7 -- Multiprocessing and files not closing mapoe <matthias@kill.at> - 2013-10-10 18:29 -0500

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