574 lines
16 KiB
Python
574 lines
16 KiB
Python
from sanic import Sanic
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from sanic.exceptions import NotFound, abort
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from sanic.response import html, file, redirect
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from sanic.response import json as resp_json
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from sanic_cors import CORS
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from syncer import sync
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import asyncio
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from jinja2 import Environment, FileSystemLoader
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from jinja2.utils import select_autoescape
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from urllib.parse import unquote
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from typing import Any, Optional, List
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from setproctitle import setproctitle
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from multiprocessing.queues import Queue
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from multiprocessing.process import current_process
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from queue import Empty
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from time import sleep
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import json
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import os
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from helpers.os_environment import (
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isLinux,
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resolve_external_file_path,
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resolve_local_file_path,
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)
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from helpers.logging_manager import LoggingManager
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from helpers.device_manager import DeviceManager
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from helpers.state_manager import StateManager
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from helpers.the_terminator import Terminator
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from helpers.normalisation import get_normalised_filename_if_available
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from helpers.myradio_api import MyRadioAPI
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from helpers.alert_manager import AlertManager
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import package
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from baps_types.happytime import happytime
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env = Environment(
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loader=FileSystemLoader("%s/ui-templates/" % os.path.dirname(__file__)),
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autoescape=select_autoescape(),
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)
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LOG_FILEPATH = resolve_external_file_path("logs")
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LOG_FILENAME = LOG_FILEPATH + "/WebServer.log"
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# From Sanic's default, but set to log to file.
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os.makedirs(LOG_FILEPATH, exist_ok=True)
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LOGGING_CONFIG = dict(
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version=1,
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disable_existing_loggers=False,
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loggers={
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"sanic.root": {"level": "INFO", "handlers": ["file"]},
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"sanic.error": {
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"level": "INFO",
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"handlers": ["error_file"],
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"propagate": True,
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"qualname": "sanic.error",
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},
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"sanic.access": {
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"level": "INFO",
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"handlers": ["access_file"],
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"propagate": True,
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"qualname": "sanic.access",
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},
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},
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handlers={
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"file": {
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"class": "logging.FileHandler",
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"formatter": "generic",
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"filename": LOG_FILENAME,
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},
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"error_file": {
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"class": "logging.FileHandler",
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"formatter": "generic",
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"filename": LOG_FILENAME,
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},
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"access_file": {
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"class": "logging.FileHandler",
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"formatter": "access",
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"filename": LOG_FILENAME,
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},
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},
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formatters={
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"generic": {
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"format": "%(asctime)s | [%(process)d] [%(levelname)s] %(message)s",
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"class": "logging.Formatter",
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},
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"access": {
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"format": "%(asctime)s | (%(name)s)[%(levelname)s][%(host)s]: "
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+ "%(request)s %(message)s %(status)d %(byte)d",
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"class": "logging.Formatter",
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},
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},
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)
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app = Sanic("BAPSicle Web Server", log_config=LOGGING_CONFIG)
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def render_template(file, data, status=200):
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template = env.get_template(file)
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html_content = template.render(data=data)
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return html(html_content, status=status)
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def _filter_happytime(date):
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return happytime(date)
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env.filters["happytime"] = _filter_happytime
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logger: LoggingManager
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server_state: StateManager
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api: MyRadioAPI
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alerts: AlertManager
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player_to_q: List[Queue] = []
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player_from_q: Queue
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# General UI Endpoints
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@app.exception(NotFound)
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def page_not_found(request, e: Any):
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data = {"ui_page": "404", "ui_title": "404", "code": 404, "title": "Page Not Found",
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"message": "Looks like you fell off the tip of the iceberg."}
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return render_template("error.html", data=data, status=404)
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# Future use.
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def error_page(code=500, ui_title="500", title="Something went very wrong!",
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message="Looks like the server fell over. Try viewing the WebServer logs for more details."):
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data = {"ui_page": ui_title, "ui_title": ui_title, "code": code, "title": title, "message": message}
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return render_template("error.html", data=data, status=500)
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@app.route("/")
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def ui_index(request):
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config = server_state.get()
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data = {
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"ui_page": "index",
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"ui_title": "",
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"alert_count": len(alerts.alerts_current),
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"server_version": config["server_version"],
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"server_build": config["server_build"],
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"server_name": config["server_name"],
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"server_beta": config["server_beta"],
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"server_branch": config["server_branch"],
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}
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return render_template("index.html", data=data)
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@app.route("/status")
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def ui_status(request):
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channel_states = []
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for i in range(server_state.get()["num_channels"]):
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channel_states.append(status(i))
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data = {"channels": channel_states,
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"ui_page": "status", "ui_title": "Status"}
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return render_template("status.html", data=data)
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@app.route("/alerts")
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def ui_alerts(request):
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data = {
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"alerts_current": alerts.alerts_current,
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"alerts_previous": alerts.alerts_previous,
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"ui_page": "alerts",
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"ui_title": "Alerts"
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}
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return render_template("alerts.html", data=data)
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@app.route("/config/player")
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def ui_config_player(request):
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channel_states = []
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for i in range(server_state.get()["num_channels"]):
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channel_states.append(status(i))
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outputs = None
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if isLinux():
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outputs = DeviceManager.getAudioDevices()
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else:
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outputs = DeviceManager.getAudioOutputs()
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data = {
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"channels": channel_states,
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"outputs": outputs,
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"sdl_direct": isLinux(),
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"ui_page": "config",
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"ui_title": "Player Config",
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}
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return render_template("config_player.html", data=data)
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@app.route("/config/server")
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def ui_config_server(request):
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data = {
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"ui_page": "server",
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"ui_title": "Server Config",
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"state": server_state.get(),
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"ser_ports": DeviceManager.getSerialPorts(),
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"tracklist_modes": ["off", "on", "delayed", "fader-live"],
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"normalisation_modes": ["off", "on"],
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}
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return render_template("config_server.html", data=data)
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@app.route("/config/server/update", methods=["POST"])
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def ui_config_server_update(request):
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# TODO Validation!
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server_state.update("server_name", request.form.get("name"))
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server_state.update("host", request.form.get("host"))
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server_state.update("port", int(request.form.get("port")))
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server_state.update("num_channels", int(request.form.get("channels")))
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server_state.update("ws_port", int(request.form.get("ws_port")))
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serial_port = request.form.get("serial_port")
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server_state.update("serial_port", None if serial_port ==
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"None" else serial_port)
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# Because we're not showing the api key once it's set.
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if "myradio_api_key" in request.form and request.form.get("myradio_api_key") != "":
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server_state.update("myradio_api_key",
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request.form.get("myradio_api_key"))
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server_state.update("myradio_base_url",
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request.form.get("myradio_base_url"))
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server_state.update("myradio_api_url", request.form.get("myradio_api_url"))
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server_state.update(
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"myradio_api_tracklist_source", request.form.get(
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"myradio_api_tracklist_source")
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)
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server_state.update("tracklist_mode", request.form.get("tracklist_mode"))
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server_state.update("normalisation_mode", request.form.get("normalisation_mode"))
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return redirect("/restart")
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@app.route("/logs")
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def ui_logs_list(request):
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files = os.listdir(resolve_external_file_path("/logs"))
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log_files = []
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for file_name in files:
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if file_name.endswith(".log"):
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log_files.append(file_name.rstrip(".log"))
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log_files.sort()
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data = {"ui_page": "logs", "ui_title": "Logs", "logs": log_files}
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return render_template("loglist.html", data=data)
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@app.route("/logs/<path:path>")
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def ui_logs_render(request, path):
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page = request.args.get("page")
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if not page:
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return redirect(f"/logs/{path}?page=1")
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page = int(page)
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assert page >= 1
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try:
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log_file = open(resolve_external_file_path("/logs/{}.log").format(path))
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except FileNotFoundError:
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abort(404)
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return
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data = {
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"logs": log_file.read().splitlines()[
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-300 * page:(-300 * (page - 1) if page > 1 else None)
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][::-1],
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"ui_page": "logs",
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"ui_title": "Logs - {}".format(path),
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"page": page,
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}
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log_file.close()
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return render_template("log.html", data=data)
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# Player Audio Control Endpoints
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# Just useful for messing arround without presenter / websockets.
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@app.route("/player/<channel:int>/<command>")
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def player_simple(request, channel: int, command: str):
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simple_endpoints = ["play", "pause", "unpause", "stop", "unload", "clear"]
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if command in simple_endpoints:
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player_to_q[channel].put("UI:" + command.upper())
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return redirect("/status")
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abort(404)
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@app.route("/player/<channel:int>/seek/<pos:number>")
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def player_seek(request, channel: int, pos: float):
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player_to_q[channel].put("UI:SEEK:" + str(pos))
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return redirect("/status")
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@app.route("/player/<channel:int>/load/<channel_weight:int>")
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def player_load(request, channel: int, channel_weight: int):
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player_to_q[channel].put("UI:LOAD:" + str(channel_weight))
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return redirect("/status")
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@app.route("/player/<channel:int>/remove/<channel_weight:int>")
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def player_remove(request, channel: int, channel_weight: int):
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player_to_q[channel].put("UI:REMOVE:" + str(channel_weight))
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return redirect("/status")
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@app.route("/player/<channel:int>/output/<name:string>")
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def player_output(request, channel: int, name: Optional[str]):
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player_to_q[channel].put("UI:OUTPUT:" + unquote(str(name)))
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return redirect("/config/player")
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@app.route("/player/<channel:int>/autoadvance/<state:int>")
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def player_autoadvance(request, channel: int, state: int):
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player_to_q[channel].put("UI:AUTOADVANCE:" + str(state))
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return redirect("/status")
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@app.route("/player/<channel:int>/repeat/<state:string>")
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def player_repeat(request, channel: int, state: str):
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player_to_q[channel].put("UI:REPEAT:" + state.upper())
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return redirect("/status")
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@app.route("/player/<channel:int>/playonload/<state:int>")
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def player_playonload(request, channel: int, state: int):
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player_to_q[channel].put("UI:PLAYONLOAD:" + str(state))
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return redirect("/status")
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@app.route("/player/<channel:int>/status")
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def player_status_json(request, channel: int):
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return resp_json(status(channel))
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@app.route("/player/all/stop")
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def player_all_stop(request):
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for channel in player_to_q:
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channel.put("UI:STOP")
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return redirect("/status")
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# Show Plan Functions
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@app.route("/plan/load/<timeslotid:int>")
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def plan_load(request, timeslotid: int):
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for channel in player_to_q:
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channel.put("UI:GETPLAN:" + str(timeslotid))
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return redirect("/status")
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@app.route("/plan/clear")
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def plan_clear(request):
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for channel in player_to_q:
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channel.put("UI:CLEAR")
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return redirect("/status")
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# API Proxy Endpoints
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@app.route("/plan/list")
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async def api_list_showplans(request):
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return resp_json(await api.get_showplans())
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@app.route("/library/search/track")
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async def api_search_library(request):
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return resp_json(
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await api.get_track_search(
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request.args.get("title"), request.args.get("artist")
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)
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)
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@app.route("/library/playlists/<type:string>")
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async def api_get_playlists(request, type: str):
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if type not in ["music", "aux"]:
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abort(401)
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if type == "music":
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return resp_json(await api.get_playlist_music())
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else:
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return resp_json(await api.get_playlist_aux())
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@app.route("/library/playlist/<type:string>/<library_id:string>")
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async def api_get_playlist(request, type: str, library_id: str):
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if type not in ["music", "aux"]:
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abort(401)
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if type == "music":
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return resp_json(await api.get_playlist_music_items(library_id))
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else:
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return resp_json(await api.get_playlist_aux_items(library_id))
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# JSON Outputs
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@app.route("/status-json")
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def json_status(request):
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channel_states = []
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for i in range(server_state.get()["num_channels"]):
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channel_states.append(status(i))
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return resp_json({"server": server_state.get(), "channels": channel_states})
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# Get audio for UI to generate waveforms.
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@app.route("/audiofile/<type:string>/<id:int>")
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async def audio_file(request, type: str, id: int):
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if type not in ["managed", "track"]:
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abort(404)
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filename = resolve_external_file_path(
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"music-tmp/{}-{}.mp3".format(type, id))
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# Swap with a normalised version if it's ready, else returns original.
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filename = get_normalised_filename_if_available(filename)
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# Send file or 404
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try:
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response = await file(filename)
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except FileNotFoundError:
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abort(404)
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return
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return response
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# Static Files
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app.static(
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"/favicon.ico", resolve_local_file_path("ui-static/favicon.ico"), name="ui-favicon"
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)
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app.static("/static", resolve_local_file_path("ui-static"), name="ui-static")
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dist_directory = resolve_local_file_path("presenter-build")
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app.static("/presenter", dist_directory)
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app.static(
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"/presenter/",
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resolve_local_file_path("presenter-build/index.html"),
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strict_slashes=True,
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name="presenter-index",
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)
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# Helper Functions
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def status(channel: int):
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while not player_from_q.empty():
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# Just waste any previous status responses.
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player_from_q.get()
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player_to_q[channel].put("UI:STATUS")
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retries = 0
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while retries < 40:
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try:
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message = player_from_q.get_nowait()
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split = message.split(":",1)
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channel = int(split[0])
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response = split[1]
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if response.startswith("UI:STATUS:"):
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response = response.split(":", 2)[2]
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# TODO: Handle OKAY / FAIL
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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 Exception as e:
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raise e
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return response
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except Empty:
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pass
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retries += 1
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sleep(0.02)
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# WebServer Start / Stop Functions
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@app.route("/quit")
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def quit(request):
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server_state.update("running_state", "quitting")
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data = {
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"ui_page": "message",
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"ui_title": "Quitting BAPSicle",
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"title": "See you later!",
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"ui_menu": False,
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"message": "BAPSicle is going back into winter hibernation, see you again soon!",
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}
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return render_template("message.html", data)
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@app.route("/restart")
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def restart(request):
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if request.args.get("confirm", '') != "true":
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for i in range(server_state.get()["num_channels"]):
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state = status(i)
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if state["playing"]:
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return render_template("restart-confirm.html", data=None)
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server_state.update("running_state", "restarting")
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data = {
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"ui_page": "message",
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"ui_title": "Restarting BAPSicle",
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"title": "Please Wait...",
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"ui_menu": False,
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"message": "Just putting BAPSicle back in the freezer for a moment!",
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"redirect_to": "/",
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"redirect_wait_ms": 10000,
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}
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return render_template("message.html", data)
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# Don't use reloader, it causes Nested Processes!
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def WebServer(player_to: List[Queue], player_from: Queue, state: StateManager):
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|
|
global player_to_q, player_from_q, server_state, api, app, alerts
|
|
player_to_q = player_to
|
|
player_from_q = player_from
|
|
server_state = state
|
|
|
|
logger = LoggingManager("WebServer")
|
|
api = MyRadioAPI(logger, state)
|
|
alerts = AlertManager()
|
|
|
|
process_title = "Web Server"
|
|
setproctitle(process_title)
|
|
current_process().name = process_title
|
|
CORS(app, supports_credentials=True) # Allow ALL CORS!!!
|
|
|
|
terminate = Terminator()
|
|
while not terminate.terminate:
|
|
try:
|
|
sync(
|
|
app.run(
|
|
host=server_state.get()["host"],
|
|
port=server_state.get()["port"],
|
|
auto_reload=False,
|
|
debug=not package.BETA,
|
|
access_log=not package.BETA,
|
|
)
|
|
)
|
|
except Exception:
|
|
break
|
|
try:
|
|
loop = asyncio.get_event_loop()
|
|
if loop:
|
|
loop.close()
|
|
if app:
|
|
app.stop()
|
|
del app
|
|
except Exception:
|
|
pass
|