2012/10/3 Daniel-Constantin Mierla <miconda@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.

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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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