[SR-Users] kamailio and app_python

[Örn Arnarson]

I'm guessing that accessing pseudo-variables is still not possible in
python? I haven't seen anything indicating so in any event. Could you
confirm? Will probably switch to lua as well.

On Wed, Oct 3, 2012 at 4:38 PM, Konstantin M. <evilzluk at gmail.com> 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.
>
>
> 2012/10/3 Daniel-Constantin Mierla <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 mailing list
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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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>
>
>
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