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Re: File access denied after subprocess completion on Windows platform

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On 5/24/2011 4:18 PM, Claudiu Nicolaie CISMARU wrote:
>> Seems that close_fds did the trick. Anyway, I read that description on
>> the documentation last night but I think I was so tired that I
>> understood that in Windows has no effect... :)
>
> Now. There is one more issue. Seems that on faster computers and/or
> Windows 7 (the Win32 thing I have tested on a HVM Xen machine with
> Windows XP) the os.rename is too fast after fp.close() and generates the
> same Exception. The code follows:
>
> curl.close()
> fp.close()
> os.rename(tfile, actualfile)
>
> Where, tfile is the .part file, actual file is the real destination, fp
> was opened with open(..., "wb") and the descriptor passed to curl.
>
> I have solved the issue with self.msleep(10) - msleep is a method of
> QThread. But I don't think it's an elegant and normal solution. Did
> fp.close() is delayed, or? I mean, I don't want to rely on a "sleep" in
> order to workaround the access issue.
>
> On this issue there is no more process spawn, nothing, just the
> downloader thread and the main window. And the access denied appears at
> random time.

I would go with what works. In my experience, mysterious and seemingly 
buggy error messages, including Access Denied are not unusual on Windows.

-- 
Terry Jan Reedy

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Thread

File access denied after subprocess completion on Windows platform Claudiu Nicolaie CISMARU <claudiu@virtuamagic.com> - 2011-05-24 13:01 +0300
  Re: File access denied after subprocess completion on Windows platform Claudiu Nicolaie CISMARU <claudiu@virtuamagic.com> - 2011-05-24 20:17 +0300
  Re: File access denied after subprocess completion on Windows platform Claudiu Nicolaie CISMARU <claudiu@virtuamagic.com> - 2011-05-24 23:18 +0300
  Re: File access denied after subprocess completion on Windows platform Terry Reedy <tjreedy@udel.edu> - 2011-05-24 18:03 -0400
  Re: File access denied after subprocess completion on Windows platform Tim Golden <mail@timgolden.me.uk> - 2011-05-25 08:17 +0100
  Re: File access denied after subprocess completion on Windows platform Claudiu Nicolaie CISMARU <claudiu@virtuamagic.com> - 2011-05-25 11:20 +0300

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