Logitech Media Player / Squeezebox - Unable to play spotify track or playlist

[xtremecool]

The problem

Using media_player.play_media service to play Spotify tracks or playlists on a Logitech Squeezebox Radio, throws an error (URL is relative, but does not start with a /)

What version of Home Assistant Core has the issue?

core-2022.4.1

What was the last working version of Home Assistant Core?

core-2022.3.8

What type of installation are you running?

Home Assistant OS

Integration causing the issue

Logitech Squeezebox

Link to integration documentation on our website

https://www.home-assistant.io/integrations/squeezebox

Diagnostics information

Logger: homeassistant.helpers.script.websocket_api_script
Source: components/media_player/browse_media.py:40
First occurred: 11:59:57 (1 occurrences)
Last logged: 11:59:57

websocket_api script: Error executing script. Unexpected error for call_service at pos 1: URL is relative, but does not start with a /
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 379, in _async_step
    await getattr(self, handler)()
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 582, in _async_call_service_step
    await service_task
  File "/usr/src/homeassistant/homeassistant/core.py", line 1634, in async_call
    task.result()
  File "/usr/src/homeassistant/homeassistant/core.py", line 1671, in _execute_service
    await cast(Callable[[ServiceCall], Awaitable[None]], handler.job.target)(
  File "/usr/src/homeassistant/homeassistant/helpers/entity_component.py", line 204, in handle_service
    await service.entity_service_call(
  File "/usr/src/homeassistant/homeassistant/helpers/service.py", line 677, in entity_service_call
    future.result()  # pop exception if have
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 955, in async_request_call
    await coro
  File "/usr/src/homeassistant/homeassistant/helpers/service.py", line 714, in _handle_entity_call
    await result
  File "/usr/src/homeassistant/homeassistant/components/squeezebox/media_player.py", line 478, in async_play_media
    media_id = async_process_play_media_url(self.hass, media_id)
  File "/usr/src/homeassistant/homeassistant/components/media_player/browse_media.py", line 40, in async_process_play_media_url
    raise ValueError("URL is relative, but does not start with a /")
ValueError: URL is relative, but does not start with a /

Example YAML snippet

service: media_player.play_media
target:
  entity_id: media_player.seb_s_bedroom
data:
  media_content_id: spotify:track:2prnn41CblB8B4yWACDljP
  media_content_type: music

Anything in the logs that might be useful for us?

No response

Additional information

No response

[probot-home-assistant]

squeezebox documentation
squeezebox source
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[probot-home-assistant]

Hey there @rajlaud, mind taking a look at this issue as it has been labeled with an integration (squeezebox) you are listed as a code owner for? Thanks!
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[rajlaud]

The linked PR should fix this. In the meantime, as a workaround, you can use a different media_content_type then music (for example, channel).