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<tt>Hi Robert,<br>
<br>
The only question I can answer is 1) - OpenSIPS it is a
multi-process application (and not using threads). <br>
<br>
How the python module is design (from threading perspective), I do
not know - maybe Maxim, the author of this module can help with
this.<br>
<br>
Regards,<br>
</tt>
<pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a>
OpenSIPS Summit May 2017 Amsterdam
<a class="moz-txt-link-freetext" href="http://www.opensips.org/events/Summit-2017Amsterdam.html">http://www.opensips.org/events/Summit-2017Amsterdam.html</a>
</pre>
<div class="moz-cite-prefix">On 04/19/2017 08:43 PM, Mundkowsky,
Robert wrote:<br>
</div>
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<div class="WordSection1">
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This email should likely go to your other
dev forum, but I don’t have access yet.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am using openSIPS 2.2.3 on Ubuntu 16.04.2
LTS. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am using the python module. The python
script called works fine when called from outside openSIPS and
it works fine when called inside openSIPS, if it is triggered
once at a time.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">But if the python script is triggered twice
by two phone calls or more or even one call after another in
short order, then there are weird errors which show up in
different places in the code like:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:.5in">ERROR:python:python_handle_exception:
#011TypeError: an integer is required<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am guessing the openSIP python module has
some problem/s related to threading.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><o:p> </o:p></p>
<p class="MsoNormal">Questions:<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l1 level1 lfo2"><!--[if !supportLists]--><span
style="mso-list:Ignore">1)<span style="font:7.0pt
"Times New Roman"">
</span></span><!--[endif]-->I am guessing that OpenSIPS uses
a multi-threaded architecture?<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l1 level1 lfo2"><!--[if !supportLists]--><span
style="mso-list:Ignore">2)<span style="font:7.0pt
"Times New Roman"">
</span></span><!--[endif]-->Is the python module meant to be
a single thread? Or multi-threaded?<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2
lfo2">
<!--[if !supportLists]--><span style="mso-list:Ignore">a.<span
style="font:7.0pt "Times New Roman"">
</span></span><!--[endif]-->If it is meant to be single
threaded then why use python library thread functions? Just
use python library without multi-threaded stuff.<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2
lfo2">
<!--[if !supportLists]--><span class="pl-c1"><span
style="mso-list:Ignore">b.<span style="font:7.0pt
"Times New Roman"">
</span></span></span><!--[endif]-->If it is meant to be
multi-threaded then why is there only one call to
<span class="pl-c1">PyThreadState_New and </span>myThreadState
is a global used everywhere?<span class="pl-c1"><o:p></o:p></span></p>
<p class="MsoListParagraph"
style="margin-left:1.5in;text-indent:-1.5in;mso-text-indent-alt:-9.0pt;mso-list:l1
level3 lfo2">
<!--[if !supportLists]--><span style="mso-list:Ignore"><span
style="font:7.0pt "Times New Roman"">
</span>i.<span style="font:7.0pt "Times New
Roman""> </span></span><!--[endif]-->I would
think a thread per call to python_exec would make more sense
and make the code easier to understand?<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l1 level1 lfo2"><!--[if !supportLists]--><span
style="mso-list:Ignore">3)<span style="font:7.0pt
"Times New Roman"">
</span></span><!--[endif]-->Also why is there no clean up
code (PyThreadState_Clear, PyThreadState_Delete, Py_Finalize)?<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2
lfo2">
<!--[if !supportLists]--><span style="mso-list:Ignore">a.<span
style="font:7.0pt "Times New Roman"">
</span></span><!--[endif]-->I am guessing the idea is you do
not need clean up, because it only happens when openSIPS is
turned off.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Robert<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">For reference:<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><a
moz-do-not-send="true"
href="https://www.codeproject.com/articles/11805/embedding-python-in-c-c-part-i"><a class="moz-txt-link-freetext" href="https://www.codeproject.com/articles/11805/embedding-python-in-c-c-part-i">https://www.codeproject.com/articles/11805/embedding-python-in-c-c-part-i</a></a><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><a
moz-do-not-send="true"
href="http://www.awasu.com/weblog/embedding-python/threads/"><a class="moz-txt-link-freetext" href="http://www.awasu.com/weblog/embedding-python/threads/">http://www.awasu.com/weblog/embedding-python/threads/</a></a><o:p></o:p></p>
<p class="MsoNormal" style="text-indent:.5in"><a
moz-do-not-send="true"
href="http://stackoverflow.com/questions/26061298/python-multi-thread-multi-interpreter-c-api"><a class="moz-txt-link-freetext" href="http://stackoverflow.com/questions/26061298/python-multi-thread-multi-interpreter-c-api">http://stackoverflow.com/questions/26061298/python-multi-thread-multi-interpreter-c-api</a></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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