server.py

# coding=utf-8
import logging
from quart import Quart

from soundcube.api.web_utilities import with_status
from soundcube.api._bp_types import StatusType

from soundcube.config import API_ROUTE_PREFIX

log = logging.getLogger(__name__)
app = Quart(__name__)

logging.basicConfig(level=logging.DEBUG)

# Load the default config and overwrite with custom one (if provided)
app.config.from_pyfile("data/quartconfig.ini", silent=True)

# IMPORT BLUEPRINTS
from soundcube.api.bp_ping import app as bp_ping
from soundcube.api.bp_player import app as bp_player
from soundcube.api.bp_queue import app as bp_queue
from soundcube.api.bp_auth import app as bp_auth
from soundcube.api.bp_serve import app as bp_serve

app.register_blueprint(bp_ping, url_prefix=API_ROUTE_PREFIX)
app.register_blueprint(bp_queue, url_prefix=API_ROUTE_PREFIX + "/music/queue")
app.register_blueprint(bp_player, url_prefix=API_ROUTE_PREFIX + "/music/player")
app.register_blueprint(bp_auth, url_prefix=API_ROUTE_PREFIX + "/auth")
app.register_blueprint(bp_serve)


# Global error handlers
@app.errorhandler(500)
async def error_500(_):
    data = {
        "message": "An uncaught internal error occurred, please try again later.",
        "unhandled": True
    }

    return with_status(data, 500, StatusType.INTERNAL_ERROR)


# Register a handler to append Access-Control-Allow-Origin headers
@app.after_request
async def handle_headers(response):
    # This header is necessary for clients to be able to receive data from this server
    # see https://stackoverflow.com/questions/10636611/how-does-access-control-allow-origin-header-work
    response.headers["Access-Control-Allow-Origin"] = "*"
    # see https://stackoverflow.com/questions/32500073/request-header-field-access-control-allow-headers-is-not-allowed-by-itself-in-pr
    response.headers["Access-Control-Allow-Headers"] = "content-type"
    response.headers["Access-Control-Allow-Methods"] = "GET, POST, PATCH, OPTIONS"
    return response

# Run with `run.bat` (or `unicorn [OPTIONS] server:app`)