Controlling media player by REST commands

@kombi21251 wrote:

Hello!

I’ll start from the beginning.

I use Raspberry Pi as a bluetooth speaker. Thanks to the guy who made this simple demon.
My goal: to create a media player card in Lovelace UI to control playback on Raspberry Pi.
I upgraded the code from here and create a REST API for it. Now I can remotely control playback from bluetooth by HTTP.

Sample Code

from flask import Flask
import dbus, dbus.mainloop.glib, sys
from gi.repository import GLib

app = Flask(__name__)

dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = dbus.SystemBus()
obj = bus.get_object('org.bluez', "/")
mgr = dbus.Interface(obj, 'org.freedesktop.DBus.ObjectManager')
player_iface = None
transport_prop_iface = None
for path, ifaces in mgr.GetManagedObjects().items():
    if 'org.bluez.MediaPlayer1' in ifaces:
        player_iface = dbus.Interface(
                bus.get_object('org.bluez', path),
                'org.bluez.MediaPlayer1')
    elif 'org.bluez.MediaTransport1' in ifaces:
        transport_prop_iface = dbus.Interface(
                'org.freedesktop.DBus.Properties')
if not player_iface:
    sys.exit('Error: Media Player not found.')
if not transport_prop_iface:
    sys.exit('Error: DBus.Properties iface not found.')
    
@app.route('/control/<command>', methods=["GET", "POST"])
def on_playback_control(command):
    if command == 'play':
        player_iface.Play()
        return 'play'
    if command == 'pause':
        player_iface.Pause()
        return 'pause'
    if command == 'next':
        player_iface.Next()
        return 'next'
    if command == 'prev':
        player_iface.Previous()
        return 'previous'

@app.route('/volume/<vol>', methods=["GET", "POST"])
def on_volume_set(vol):
    vol = int(vol)
    if vol in range(0, 128):
        transport_prop_iface.Set(
                'org.bluez.MediaTransport1',
                'Volume',
                dbus.UInt16(vol))
        return 'ok'
    else:
        return 'not ok'

# Run in HTTP
app.run(host='0.0.0.0', port='5000')

For Home Assistant I tried to connect the rest_commands and a universal media player, but this is wrong.

Can someone help connecting this API in Home Assistant?

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