core/homeassistant/components/plex/media_browser.py

395 lines
14 KiB
Python

"""Support to interface with the Plex API."""
from __future__ import annotations
from yarl import URL
from homeassistant.components.media_player import BrowseError, BrowseMedia, MediaClass
from .const import DOMAIN, SERVERS
from .errors import MediaNotFound
from .helpers import get_plex_data, get_plex_server, pretty_title
class UnknownMediaType(BrowseError):
"""Unknown media type."""
EXPANDABLES = ["album", "artist", "playlist", "season", "show"]
ITEM_TYPE_MEDIA_CLASS = {
"album": MediaClass.ALBUM,
"artist": MediaClass.ARTIST,
"clip": MediaClass.VIDEO,
"episode": MediaClass.EPISODE,
"mixed": MediaClass.DIRECTORY,
"movie": MediaClass.MOVIE,
"playlist": MediaClass.PLAYLIST,
"season": MediaClass.SEASON,
"show": MediaClass.TV_SHOW,
"station": MediaClass.ARTIST,
"track": MediaClass.TRACK,
"video": MediaClass.VIDEO,
}
def browse_media( # noqa: C901
hass, is_internal, media_content_type, media_content_id, *, platform=None
):
"""Implement the websocket media browsing helper."""
server_id = None
plex_server = None
special_folder = None
if media_content_id:
url = URL(media_content_id)
server_id = url.host
plex_server = get_plex_server(hass, server_id)
if media_content_type == "hub":
_, hub_location, hub_identifier = url.parts
elif media_content_type in ["library", "server"] and len(url.parts) > 2:
_, media_content_id, special_folder = url.parts
else:
media_content_id = url.name
if media_content_type in ("plex_root", None):
return root_payload(hass, is_internal, platform=platform)
def item_payload(item, short_name=False, extra_params=None):
"""Create response payload for a single media item."""
try:
media_class = ITEM_TYPE_MEDIA_CLASS[item.type]
except KeyError as err:
raise UnknownMediaType(f"Unknown type received: {item.type}") from err
payload = {
"title": pretty_title(item, short_name),
"media_class": media_class,
"media_content_id": generate_plex_uri(
server_id, item.ratingKey, params=extra_params
),
"media_content_type": item.type,
"can_play": True,
"can_expand": item.type in EXPANDABLES,
}
if hasattr(item, "thumbUrl"):
plex_server.thumbnail_cache.setdefault(str(item.ratingKey), item.thumbUrl)
if is_internal:
thumbnail = item.thumbUrl
else:
thumbnail = get_proxy_image_url(
server_id,
item.ratingKey,
)
payload["thumbnail"] = thumbnail
return BrowseMedia(**payload)
def server_payload():
"""Create response payload to describe libraries of the Plex server."""
server_info = BrowseMedia(
title=plex_server.friendly_name,
media_class=MediaClass.DIRECTORY,
media_content_id=generate_plex_uri(server_id, "server"),
media_content_type="server",
can_play=False,
can_expand=True,
children=[],
children_media_class=MediaClass.DIRECTORY,
thumbnail="https://brands.home-assistant.io/_/plex/logo.png",
)
if platform != "sonos":
server_info.children.append(
special_library_payload(server_info, "Recommended")
)
for library in plex_server.library.sections():
if library.type == "photo":
continue
if library.type != "artist" and platform == "sonos":
continue
server_info.children.append(library_section_payload(library))
server_info.children.append(playlists_payload())
return server_info
def library_contents(library):
"""Create response payload to describe contents of a specific library."""
library_info = library_section_payload(library)
library_info.children = [special_library_payload(library_info, "Recommended")]
for item in library.all():
try:
library_info.children.append(item_payload(item))
except UnknownMediaType:
continue
return library_info
def playlists_payload():
"""Create response payload for all available playlists."""
playlists_info = {
"title": "Playlists",
"media_class": MediaClass.DIRECTORY,
"media_content_id": generate_plex_uri(server_id, "all"),
"media_content_type": "playlists",
"can_play": False,
"can_expand": True,
"children": [],
}
for playlist in plex_server.playlists():
if (
playlist.type != "directory"
and playlist.playlistType != "audio"
and platform == "sonos"
):
continue
try:
playlists_info["children"].append(item_payload(playlist))
except UnknownMediaType:
continue
response = BrowseMedia(**playlists_info)
response.children_media_class = MediaClass.PLAYLIST
return response
def build_item_response(payload):
"""Create response payload for the provided media query."""
try:
media = plex_server.lookup_media(**payload)
except MediaNotFound:
return None
try:
media_info = item_payload(media)
except UnknownMediaType:
return None
if media_info.can_expand:
media_info.children = []
if media.TYPE == "artist" and platform != "sonos":
if (station := media.station()) is not None:
media_info.children.append(station_payload(station))
for item in media:
try:
media_info.children.append(item_payload(item, short_name=True))
except UnknownMediaType:
continue
return media_info
if media_content_type == "hub":
if hub_location == "server":
hub = next(
x
for x in plex_server.library.hubs()
if x.hubIdentifier == hub_identifier
)
media_content_id = f"server/{hub.hubIdentifier}"
else:
library_section = plex_server.library.sectionByID(int(hub_location))
hub = next(
x for x in library_section.hubs() if x.hubIdentifier == hub_identifier
)
media_content_id = f"{hub.librarySectionID}/{hub.hubIdentifier}"
try:
children_media_class = ITEM_TYPE_MEDIA_CLASS[hub.type]
except KeyError as err:
raise UnknownMediaType(f"Unknown type received: {hub.type}") from err
payload = {
"title": hub.title,
"media_class": MediaClass.DIRECTORY,
"media_content_id": generate_plex_uri(server_id, media_content_id),
"media_content_type": "hub",
"can_play": False,
"can_expand": True,
"children": [],
"children_media_class": children_media_class,
}
for item in hub.items:
if hub.type == "station":
if platform == "sonos":
continue
payload["children"].append(station_payload(item))
else:
extra_params = None
hub_context = hub.context.split(".")[-1]
if hub_context in ("continue", "inprogress", "ondeck"):
extra_params = {"resume": 1}
payload["children"].append(
item_payload(item, extra_params=extra_params)
)
return BrowseMedia(**payload)
if special_folder:
if media_content_type == "server":
library_or_section = plex_server.library
children_media_class = MediaClass.DIRECTORY
title = plex_server.friendly_name
elif media_content_type == "library":
library_or_section = plex_server.library.sectionByID(int(media_content_id))
title = library_or_section.title
try:
children_media_class = ITEM_TYPE_MEDIA_CLASS[library_or_section.TYPE]
except KeyError as err:
raise UnknownMediaType(
f"Unknown type received: {library_or_section.TYPE}"
) from err
else:
raise BrowseError(
f"Media not found: {media_content_type} / {media_content_id}"
)
payload = {
"title": title,
"media_class": MediaClass.DIRECTORY,
"media_content_id": generate_plex_uri(
server_id, f"{media_content_id}/{special_folder}"
),
"media_content_type": media_content_type,
"can_play": False,
"can_expand": True,
"children": [],
"children_media_class": children_media_class,
}
if special_folder == "Recommended":
for item in library_or_section.hubs():
if item.type == "photo":
continue
payload["children"].append(hub_payload(item))
return BrowseMedia(**payload)
try:
if media_content_type == "server":
return server_payload()
if media_content_type == "library":
library_id = int(media_content_id)
library = plex_server.library.sectionByID(library_id)
return library_contents(library)
except UnknownMediaType as err:
raise BrowseError(
f"Media not found: {media_content_type} / {media_content_id}"
) from err
if media_content_type == "playlists":
return playlists_payload()
payload = {
"media_type": DOMAIN,
"plex_key": int(media_content_id),
}
response = build_item_response(payload)
if response is None:
raise BrowseError(f"Media not found: {media_content_type} / {media_content_id}")
return response
def generate_plex_uri(server_id, media_id, params=None):
"""Create a media_content_id URL for playable Plex media."""
if isinstance(media_id, int):
media_id = str(media_id)
if isinstance(media_id, str) and not media_id.startswith("/"):
media_id = f"/{media_id}"
return str(
URL.build(
scheme=DOMAIN,
host=server_id,
path=media_id,
query=params,
)
)
def root_payload(hass, is_internal, platform=None):
"""Return root payload for Plex."""
children = [
browse_media(
hass,
is_internal,
"server",
generate_plex_uri(server_id, ""),
platform=platform,
)
for server_id in get_plex_data(hass)[SERVERS]
]
if len(children) == 1:
return children[0]
return BrowseMedia(
title="Plex",
media_class=MediaClass.DIRECTORY,
media_content_id="",
media_content_type="plex_root",
can_play=False,
can_expand=True,
children=children,
)
def library_section_payload(section):
"""Create response payload for a single library section."""
try:
children_media_class = ITEM_TYPE_MEDIA_CLASS[section.TYPE]
except KeyError as err:
raise UnknownMediaType(f"Unknown type received: {section.TYPE}") from err
server_id = section._server.machineIdentifier # noqa: SLF001
return BrowseMedia(
title=section.title,
media_class=MediaClass.DIRECTORY,
media_content_id=generate_plex_uri(server_id, section.key),
media_content_type="library",
can_play=False,
can_expand=True,
children_media_class=children_media_class,
)
def special_library_payload(parent_payload, special_type):
"""Create response payload for special library folders."""
title = f"{special_type} ({parent_payload.title})"
special_library_id = f"{parent_payload.media_content_id}/{special_type}"
return BrowseMedia(
title=title,
media_class=parent_payload.media_class,
media_content_id=special_library_id,
media_content_type=parent_payload.media_content_type,
can_play=False,
can_expand=True,
children_media_class=parent_payload.children_media_class,
)
def hub_payload(hub):
"""Create response payload for a hub."""
if hasattr(hub, "librarySectionID"):
media_content_id = f"{hub.librarySectionID}/{hub.hubIdentifier}"
else:
media_content_id = f"server/{hub.hubIdentifier}"
server_id = hub._server.machineIdentifier # noqa: SLF001
payload = {
"title": hub.title,
"media_class": MediaClass.DIRECTORY,
"media_content_id": generate_plex_uri(server_id, media_content_id),
"media_content_type": "hub",
"can_play": False,
"can_expand": True,
}
return BrowseMedia(**payload)
def station_payload(station):
"""Create response payload for a music station."""
server_id = station._server.machineIdentifier # noqa: SLF001
return BrowseMedia(
title=station.title,
media_class=ITEM_TYPE_MEDIA_CLASS[station.type],
media_content_id=generate_plex_uri(server_id, station.key),
media_content_type="station",
can_play=True,
can_expand=False,
)
def get_proxy_image_url(
server_id: str,
media_content_id: str,
) -> str:
"""Generate an url for a Plex media browser image."""
return f"/api/plex_image_proxy/{server_id}/{media_content_id}"