Re: File Lock

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Its hard (in an OS independant fashion) to know if a file is _open_, but
its a little easier to tell if it is _locked_, which is the same for you
likely. (If a job opens a file without locking it, then you couldn't easily
detect it.)

Without creating your own file locking scheme, or looking into the OS
specific flock functions, you could just take a look at..

https://pypi.org/project/filelock/2.0.13/


On Fri, Sep 13, 2019 at 4:26 PM Pete via Jython-users <
[email protected]> wrote:

> I need to append and then close a file.
>
> I am trying to avoid file write contention issues.
>
> How can I determine if the file if not closed before opening it for append?
>
>
> Thank you,
>
> PR
>
>
>
> _______________________________________________
> Jython-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/jython-users
>

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<div dir=3D"ltr">Its hard (in an OS independant fashion) to know if a file =
is _open_, but its a little easier to tell if it is _locked_, which is the =
same for you likely. (If a job opens a file without locking it, then you co=
uldn&#39;t easily detect it.)<div><br></div><div>Without creating your own =
file locking scheme, or looking into the OS specific flock functions, you c=
ould just take a look at..</div><div><br></div><div><a href=3D"https://pypi=
.org/project/filelock/2.0.13/">https://pypi.org/project/filelock/2.0.13/</a=
><br></div><div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Fri, Sep 13, 2019 at 4:26 PM Pete via Jython-u=
sers &lt;<a href=3D"mailto:[email protected]">jython-users=
@lists.sourceforge.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,2=
04);padding-left:1ex">I need to append and then close a file.<br>
<br>
I am trying to avoid file write contention issues.<br>
<br>
How can I determine if the file if not closed before opening it for append?=
<br>
<br>
<br>
Thank you,<br>
<br>
PR<br>
<br>
<br>
<br>
_______________________________________________<br>
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<a href=3D"mailto:[email protected]" target=3D"_blank">Jyt=
[email protected]</a><br>
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=3D"noreferrer" target=3D"_blank">https://lists.sourceforge.net/lists/listi=
nfo/jython-users</a><br>
</blockquote></div>

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