app_python Module

Maxim Sobolev

Edited by

Maxim Sobolev

Copyright © 2010 Maxim Sobolev

Table of Contents

1. Admin Guide
1. Overview
2. Dependencies
2.1. Kamailio Modules
2.2. External Libraries or Applications
3. Parameters
3.1. script_name (string)
3.2. mod_init_function (string)
3.3. child_init_method (string)
4. Functions
4.1. python_exec(method [, args])

List of Examples

1.1. Set script_name parameter
1.2. Set mod_init_function parameter
1.3. Set child_init_method parameter
1.4. python_exec usage

Chapter 1. Admin Guide

Table of Contents

1. Overview
2. Dependencies
2.1. Kamailio Modules
2.2. External Libraries or Applications
3. Parameters
3.1. script_name (string)
3.2. mod_init_function (string)
3.3. child_init_method (string)
4. Functions
4.1. python_exec(method [, args])

1. Overview

This module allows executing Python scripts from config file, exporting functions to access the SIP message from Python.

For some basic examples of Python scripts that can be used with this module, look at the files inside source tree located at 'modules/app_python/python_examples/'.

2. Dependencies

2.1. Kamailio Modules

The following modules must be loaded before this module:

  • none.

2.2. External Libraries or Applications

The following libraries or applications must be installed before running Kamailio with this module loaded:

  • python-dev - Python devel library.

3. Parameters

3.1. script_name (string)

The path to the fiel with Python code to be executed from configuration file.

Default value is “/usr/local/etc/kamailio/handler.py”.

Example 1.1. Set script_name parameter 

...
modparam("app_python", "script_name", "/usr/local/etc/kamailio/myscript.py")
...

3.2. mod_init_function (string)

The Python function to be executed by this module when it is initialied by Kamailio.

Default value is “mod_init”.

Example 1.2. Set mod_init_function parameter 

...
modparam("app_python", "mod_init_function", "my_mod_init")
...

3.3. child_init_method (string)

The Python function to be executed by this module when a new worker process (child) is initialied by Kamailio.

Default value is “child_init”.

Example 1.3. Set child_init_method parameter 

...
modparam("app_python", "child_init_method", "my_child_init")
...

4. Functions

4.1.  python_exec(method [, args])

Execute the Python function with the name given by the parameter 'method'. Optionally can be provided a second string with parameters to be passed to the Python function.

Example 1.4. python_exec usage 

...
python_exec("my_python_function");
python_exec("my_python_function", "my_params");
...