326 lines
7.5 KiB
Python
326 lines
7.5 KiB
Python
"""
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BAPSicle Server
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Next-gen audio playout server for University Radio York playout,
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based on WebStudio interface.
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Flask Server
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Authors:
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Matthew Stratford
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Michael Grace
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Date:
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October, November 2020
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"""
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import multiprocessing
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import player
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from flask import Flask, render_template, send_from_directory, request
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import json
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import setproctitle
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import logging
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from helpers.os_environment import isMacOS
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from helpers.device_manager import DeviceManager
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import pyttsx3
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import config
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from typing import Dict, List
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setproctitle.setproctitle("BAPSicle - Server")
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class BAPSicleServer():
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def __init__(self):
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startServer()
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def __del__(self):
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stopServer()
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app = Flask(__name__, static_url_path='')
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log = logging.getLogger('werkzeug')
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log.disabled = True
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app.logger.disabled = True
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channel_to_q = []
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channel_from_q = []
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channel_p = []
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stopping = False
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### General Endpoints
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@app.errorhandler(404)
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def page_not_found(e):
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data = {
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'ui_page': "404",
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"ui_title": "404"
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}
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return render_template('404.html', data=data), 404
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@app.route("/")
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def ui_index():
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data = {
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'ui_page': "index",
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"ui_title": ""
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}
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return render_template('index.html', data=data)
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@app.route("/config")
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def ui_config():
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channel_states = []
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for i in range(3):
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channel_states.append(status(i))
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outputs = DeviceManager.getOutputs()
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data = {
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'channels': channel_states,
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'outputs': outputs,
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'ui_page': "config",
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"ui_title": "Config"
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}
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return render_template('config.html', data=data)
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@app.route("/status")
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def ui_status():
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channel_states = []
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for i in range(3):
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channel_states.append(status(i))
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data = {
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'channels': channel_states,
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'ui_page': "status",
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"ui_title": "Status"
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}
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return render_template('status.html', data=data)
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### Channel Audio Options
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@app.route("/player/<int:channel>/play")
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def play(channel):
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channel_to_q[channel].put("PLAY")
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return ui_status()
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@app.route("/player/<int:channel>/pause")
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def pause(channel):
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channel_to_q[channel].put("PAUSE")
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return ui_status()
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@app.route("/player/<int:channel>/unpause")
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def unPause(channel):
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channel_to_q[channel].put("UNPAUSE")
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return ui_status()
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@app.route("/player/<int:channel>/stop")
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def stop(channel):
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channel_to_q[channel].put("STOP")
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return ui_status()
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@app.route("/player/<int:channel>/seek/<int:pos>")
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def seek(channel, pos):
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channel_to_q[channel].put("SEEK:" + str(pos))
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return ui_status()
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@app.route("/player/<int:channel>/output/<name>")
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def output(channel, name):
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channel_to_q[channel].put("OUTPUT:" + name)
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return ui_status()
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@app.route("/player/<int:channel>/autoadvance/<int:state>")
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def autoadvance(channel: int, state: int):
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channel_to_q[channel].put("AUTOADVANCE:" + str(state))
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return ui_status()
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@app.route("/player/<int:channel>/repeat/<state>")
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def autoadvance(channel: int, state):
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channel_to_q[channel].put("REPEAT:" + state.upper())
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return ui_status()
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@app.route("/player/<int:channel>/playonload/<int:state>")
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def autoadvance(channel: int, state: int):
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channel_to_q[channel].put("PLAYONLOAD:" + str(state))
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return ui_status()
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### Channel Items
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@app.route("/player/<int:channel>/load/<int:timeslotitemid>")
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def load(channel:int, timeslotitemid: int):
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channel_to_q[channel].put("LOAD:" + str(timeslotitemid))
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return ui_status()
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@app.route("/player/<int:channel>/unload")
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def unload(channel):
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channel_to_q[channel].put("UNLOAD")
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return ui_status()
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@app.route("/player/<int:channel>/add", methods=["POST"])
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def add_to_plan(channel: int):
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new_item: Dict[str, any] = {
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"timeslotitemid": int(request.form["timeslotitemid"]),
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"filename": request.form["filename"],
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"title": request.form["title"],
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"artist": request.form["artist"],
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}
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channel_to_q[channel].put("ADD:" + json.dumps(new_item))
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return new_item
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@app.route("/player/<int:channel>/move/<int:timeslotitemid>/<int:position>")
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def move_plan(channel: int, timeslotitemid: int, position: int):
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channel_to_q[channel].put("MOVE:" + json.dumps({"timeslotitemid": timeslotitemid, "position": position}))
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#TODO Return
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return True
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@app.route("/player/<int:channel>/remove/<int:timeslotitemid>")
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def remove_plan(channel: int, timeslotitemid: int):
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channel_to_q[channel].put("REMOVE:" + timeslotitemid)
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#TODO Return
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return True
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@app.route("/player/<int:channel>/clear")
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def clear_channel_plan(channel: int):
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channel_to_q[channel].put("CLEAR")
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#TODO Return
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return True
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### General Channel Endpoints
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@app.route("/player/<int:channel>/status")
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def status(channel):
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channel_to_q[channel].put("STATUS")
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while True:
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response = channel_from_q[channel].get()
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if response.startswith("STATUS:"):
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response = response[7:]
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response = response[response.index(":")+1:]
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try:
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response = json.loads(response)
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except:
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pass
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return response
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@app.route("/quit")
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def quit():
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stopServer()
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return "Shutting down..."
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@app.route("/player/all/stop")
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def all_stop():
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for channel in channel_to_q:
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channel.put("STOP")
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return ui_status()
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@app.route("/player/all/clear")
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def clear_all_channels():
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for channel in channel_to_q:
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channel.put("CLEAR")
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return ui_status()
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@app.route('/static/<path:path>')
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def send_static(path):
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return send_from_directory('ui-static', path)
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def startServer():
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if isMacOS():
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multiprocessing.set_start_method("spawn", True)
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for channel in range(3):
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channel_to_q.append(multiprocessing.Queue())
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channel_from_q.append(multiprocessing.Queue())
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channel_p.append(
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multiprocessing.Process(
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target=player.Player,
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args=(channel, channel_to_q[-1], channel_from_q[-1]),
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daemon=True
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)
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)
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channel_p[channel].start()
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# Welcome Speech
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text_to_speach = pyttsx3.init()
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text_to_speach.save_to_file(
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"""Thank-you for installing BAPSicle - the play-out server from the broadcasting and presenting suite.
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This server is accepting connections on port {0}
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The version of the server service is {1}
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Please refer to the documentation included with this application for further assistance.""".format(
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config.PORT,
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config.VERSION
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),
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"dev/welcome.mp3"
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)
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text_to_speach.runAndWait()
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new_item: Dict[str, any] = {
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"timeslotitemid": 0,
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"filename": "dev/welcome.mp3",
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"title": "Welcome to BAPSicle",
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"artist": "University Radio York",
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}
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channel_to_q[0].put("ADD:" + json.dumps(new_item))
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channel_to_q[0].put("LOAD:0")
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channel_to_q[0].put("PLAY")
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# Don't use reloader, it causes Nested Processes!
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app.run(host='0.0.0.0', port=13500, debug=True, use_reloader=False)
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def stopServer():
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print("Stopping server.py")
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for q in channel_to_q:
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q.put("QUIT")
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for player in channel_p:
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try:
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player.join()
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except:
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pass
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print("Stopped all players.")
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global stopping
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if stopping == False:
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stopping = True
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shutdown = request.environ.get('werkzeug.server.shutdown')
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if shutdown is None:
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print("Shutting down Server.")
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else:
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print("Shutting down Flask.")
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shutdown()
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if __name__ == "__main__":
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print("BAPSicle is a service. Please run it like one.")
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