thttp_listener.py - dmt - source code for the kunsthal art installation
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       thttp_listener.py (1528B)
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            1 #!/usr/bin/env python3
            2 # See LICENSE file for copyright and license details.
            3 """
            4 HTTP API handler for the Caller Station
            5 """
            6 
            7 #from subprocess import Popen
            8 from flask import Flask
            9 import mido
           10 
           11 from config import (cardno, mic_cap, mic_play, device_name)
           12 
           13 APP = Flask(__name__)
           14 
           15 
           16 @APP.route('/')
           17 def main():
           18     """
           19     Main routine (noop)
           20     """
           21     return '\n'
           22 
           23 
           24 @APP.route('/callanswered')
           25 def callanswered():
           26     """
           27     Handler for the answered phone call.
           28     """
           29     print('Call answered')
           30 
           31     #Popen(['amixer', '-c', cardno, 'cset', mic_play, '100'])
           32     #Popen(['amixer', '-c', cardno, 'cset', mic_cap, '0'])
           33 
           34     msgdict = {
           35         'type': 'note_on',
           36         'time': 0,
           37         'note': 61,
           38         'velocity': 127,
           39         'channel': 0,
           40     }
           41     msg = mido.Message.from_dict(msgdict)
           42     with mido.open_output(device_name) as midi_out:
           43         midi_out.send(msg)
           44 
           45     return 'Call answered\n'
           46 
           47 
           48 @APP.route('/callended')
           49 def callended():
           50     """
           51     Handler for the ended phone call.
           52     """
           53     print('Call ended')
           54 
           55     #Popen(['amixer', '-c', cardno, 'cset', mic_play, '0'])
           56     #Popen(['amixer', '-c', cardno, 'cset', mic_cap, '100'])
           57 
           58     msgdict = {
           59         'type': 'note_on',
           60         'time': 0,
           61         'note': 62,
           62         'velocity': 127,
           63         'channel': 0,
           64     }
           65     msg = mido.Message.from_dict(msgdict)
           66     with mido.open_output(device_name) as midi_out:
           67         midi_out.send(msg)
           68 
           69     return 'Call ended\n'
           70 
           71 
           72 if __name__ == '__main__':
           73     APP.run(host='0.0.0.0', port=8000, threaded=True, debug=True)