[SR-Users] kamailio and app_python

[Daniel-Constantin Mierla]

Hello,

On 10/3/12 6:38 PM, Konstantin M. wrote:
> Hello,
> I can contribute a python part, but currently I'm a very busy at the 
> moment.
> I will write a patch to enable this ability (and many other features) 
> as soon as possible.
great, looking forward to your contributions.

Cheers,
Daniel

>
> 2012/10/3 Daniel-Constantin Mierla <miconda at gmail.com 
> <mailto:miconda at gmail.com>>
>
>     Hello,
>
>     the best would be to enhance the module to be able to get/set
>     pseudo-variables. I am not a python guy at all, so I cannot help
>     much, however I can assist with the C side in kamailio if someone
>     starts development and has questions about PVs.
>
>     Calling config functions with parameters from embedded
>     interpreters exposes the risk of memory leaks, so it is better to
>     avoid it. Anyhow, added headers are not visible immediately (even
>     when done form config file), unless you call msg_apply_changes().
>
>     As a workaround for now, I suggest you put your token somehow in
>     request uri (e.g., a parameter).
>
>     Cheers,
>     Daniel
>
>
>     On 10/1/12 9:53 AM, Victor Seva wrote:
>
>         Hi,
>
>         is there any way to return values from a call to python_exec
>         function
>         orther than the default returned integer?
>
>         Following code generates this error:
>         Oct  1 09:08:23 zskio /usr/sbin/kamailio[21789]: ERROR: app_python
>         [python_support.c:38]: python_exec2: Unhandled exception in
>         the Python
>         code:
>         Oct  1 09:08:23 zskio /usr/sbin/kamailio[21789]: ERROR: app_python
>         [python_support.c:78]: #011RuntimeError: no such function
>
>                          if (!python_exec("get_provider",
>         $(var(clean_uri){s.prefixes}))) {
>                                  xlog("L_ERR","Can not choose a
>         provider for $rU\n");
>                                  sl_send_reply("503","Can not choose a
>         provider
>         for $rU");
>                                  exit;
>                          }
>
>
>         def get_provider(self, msg, param):
>                  # snipped code...
>                  result = self.util.get_provider(prefixes, position, mode)
>                  if result is not None:
>                      LM_ERR("mode: %s position: %d result: %s" % (mode,
>         position, result))
>                      # this raises error
>                      msg.call_function('rewritehost',
>         result['provider']['ip'])
>                      return 1
>                  return -1
>
>         I tried to use headers as transport but this simple code does
>         not work:
>
>         Oct  1 09:45:31 zskio /usr/sbin/kamailio[22303]: ERROR:
>         <script>: No header
>
>                          if (!is_present_hf("X-Test-header")) {
>                                  xlog("L_ERROR", "No header\n");
>                          }
>                          else {
>                                  xlog("L_INFO", "Header added\n");
>                          }
>
>              def test_set_header(self, msg):
>                  msg.call_function('append_hf', 'X-Test-header: test\r\n')
>                  return 1
>
>         Thanks in advance.
>
>         _______________________________________________
>         SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
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>         sr-users at lists.sip-router.org
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>
>
>     -- 
>     Daniel-Constantin Mierla - http://www.asipto.com
>     http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda> -
>     http://www.linkedin.com/in/miconda
>     Kamailio Advanced Training, Berlin, Nov 5-8, 2012 -
>     http://asipto.com/u/kat
>     Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 -
>     http://asipto.com/u/katu
>
>
>
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>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - http://asipto.com/u/kat
Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 - http://asipto.com/u/katu

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