[SR-Users] KEMI routing script Python exceptions with empty traceback

[Michael Loughrey]

I confirmed that the issue was the missing return values for
ksr_dialog_event() and ksr_htable_event(). Once added the exception errors
no longer occur. Thanks for the help.

Cheers
Mike

On Mon, 18 Jun 2018 at 21:26, Michael Loughrey <mgloughrey at gmail.com> wrote:

> Thanks for the tip Anthony. I do indeed have a couple of ksr_ routines
> returning no value.
>
> From kamailio.cfg
>
> ####### Routing Logic ########
>
> modparam("xhttp", "event_callback", "ksr_xhttp_event")
> modparam("htable", "event_callback_mode", 1)
> modparam("htable", "event_callback", "ksr_htable_event")
> modparam("dialog", "event_callback", "ksr_dialog_event")
> modparam("app_python", "load", "/usr/local/etc/kamailio/routing.py")
> cfgengine "python"
>
> In routing.py
>
>
>    ksr_dialog_event(self,msg,evname)
>
>    ksr_htable_event(self,msg,evname)
>
>
> are not returning values. I will correct these to always return 1. Hopefully that resolves the issue. Could you confirm that a return value of 0 from routes such as those set in
>
>
> KSR.tm.t_on_failure
>
> is the equivalent to exit & drop.
>
>
> Cheers
>
> Mike
>
>
> ksr_dialog_event
>
>
>
>
>
> On Mon, 18 Jun 2018 at 20:10, Anthony Alba <ascanio.alba7 at gmail.com>
> wrote:
>
>>
>> On Mon, Jun 18, 2018 at 12:05:34PM -0400, Michael Loughrey wrote:
>> >
>> >
>> > kamailio[2242]:  8(2253) ERROR: app_python [python_support.c:150]:
>> > python_handle_exception(): python_exec2: Unhandled exception in the
>> Python
>> > code:
>> > kamailio[2242]: TypeError: an integer is required
>> >
>>
>> Hi Michael,
>>
>> This is usually a symptom of a ksr_* method having a code path which exits
>> the function without returning an integer value (1 for success, 0 for
>> immediate
>> exit, and < 0 for failure) — the equivalent of a None return value. That
>> might
>> be the cause of the TypeError.
>>
>> Can you ensure that all your ksr_* methods have an integer return value no
>> matter how they return.
>>
>> If this doesn't work, are you able to share your routing script?
>>
>> Regards
>>
>> Anthony
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
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