apt-get install python-dev

languages/mod_python

./configure && make && make install

import freeswitch

def fsapi(session,stream,env,args):

    stream.write("hello")

    freeswitch.consoleLog("info","test")

freeswitch@debian8> python test1

hello

-- ::09.069753 [NOTICE] mod_python.c: Invoking py module: test1

-- ::09.069753 [DEBUG] mod_python.c: Call python script

-- ::09.069753 [INFO] switch_cpp.cpp: test

-- ::09.069753 [DEBUG] mod_python.c: Finished calling python script

freeswitch@debian8>

import freeswitch

def handler(session, args):

    session.answer()

    freeswitch.console_log("info","testCall")

    session.streamFile("local_stream://moh")

    freeswitch.msleep(3000)

    session.hangup()

<extension name="python test script">

        <condition field="destination_number" expression="^400123456$">

            <action application="python" data="testCall"/>

        </condition>

</extension>