core/homeassistant/components/plex/media_browser.py

262 lines
8.4 KiB
Python

"""Support to interface with the Plex API."""
import logging
from homeassistant.components.media_player import BrowseMedia
from homeassistant.components.media_player.const import (
MEDIA_CLASS_ALBUM,
MEDIA_CLASS_ARTIST,
MEDIA_CLASS_DIRECTORY,
MEDIA_CLASS_EPISODE,
MEDIA_CLASS_MOVIE,
MEDIA_CLASS_PLAYLIST,
MEDIA_CLASS_SEASON,
MEDIA_CLASS_TRACK,
MEDIA_CLASS_TV_SHOW,
MEDIA_CLASS_VIDEO,
)
from homeassistant.components.media_player.errors import BrowseError
from .const import DOMAIN
class UnknownMediaType(BrowseError):
"""Unknown media type."""
EXPANDABLES = ["album", "artist", "playlist", "season", "show"]
PLAYLISTS_BROWSE_PAYLOAD = {
"title": "Playlists",
"media_class": MEDIA_CLASS_DIRECTORY,
"media_content_id": "all",
"media_content_type": "playlists",
"can_play": False,
"can_expand": True,
}
SPECIAL_METHODS = {
"On Deck": "onDeck",
"Recently Added": "recentlyAdded",
}
ITEM_TYPE_MEDIA_CLASS = {
"album": MEDIA_CLASS_ALBUM,
"artist": MEDIA_CLASS_ARTIST,
"episode": MEDIA_CLASS_EPISODE,
"movie": MEDIA_CLASS_MOVIE,
"playlist": MEDIA_CLASS_PLAYLIST,
"season": MEDIA_CLASS_SEASON,
"show": MEDIA_CLASS_TV_SHOW,
"track": MEDIA_CLASS_TRACK,
"video": MEDIA_CLASS_VIDEO,
}
_LOGGER = logging.getLogger(__name__)
def browse_media(
entity_id, plex_server, media_content_type=None, media_content_id=None
):
"""Implement the websocket media browsing helper."""
def build_item_response(payload):
"""Create response payload for the provided media query."""
media = plex_server.lookup_media(**payload)
if media is None:
return None
try:
media_info = item_payload(media)
except UnknownMediaType:
return None
if media_info.can_expand:
media_info.children = []
for item in media:
try:
media_info.children.append(item_payload(item))
except UnknownMediaType:
continue
return media_info
if media_content_id and ":" in media_content_id:
media_content_id, special_folder = media_content_id.split(":")
else:
special_folder = None
if (
media_content_type
and media_content_type == "server"
and media_content_id != plex_server.machine_identifier
):
raise BrowseError(
f"Plex server with ID '{media_content_id}' is not associated with {entity_id}"
)
if special_folder:
if media_content_type == "server":
library_or_section = plex_server.library
children_media_class = MEDIA_CLASS_DIRECTORY
title = plex_server.friendly_name
elif media_content_type == "library":
library_or_section = plex_server.library.sectionByID(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 BrowseError(
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": MEDIA_CLASS_DIRECTORY,
"media_content_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,
}
method = SPECIAL_METHODS[special_folder]
items = getattr(library_or_section, method)()
for item in items:
try:
payload["children"].append(item_payload(item))
except UnknownMediaType:
continue
return BrowseMedia(**payload)
try:
if media_content_type in ["server", None]:
return server_payload(plex_server)
if media_content_type == "library":
return library_payload(plex_server, media_content_id)
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(plex_server)
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 item_payload(item):
"""Create response payload for a single media item."""
try:
media_class = ITEM_TYPE_MEDIA_CLASS[item.type]
except KeyError as err:
_LOGGER.debug("Unknown type received: %s", item.type)
raise UnknownMediaType from err
payload = {
"title": item.title,
"media_class": media_class,
"media_content_id": str(item.ratingKey),
"media_content_type": item.type,
"can_play": True,
"can_expand": item.type in EXPANDABLES,
}
if hasattr(item, "thumbUrl"):
payload["thumbnail"] = item.thumbUrl
return BrowseMedia(**payload)
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:
_LOGGER.debug("Unknown type received: %s", section.TYPE)
raise UnknownMediaType from err
return BrowseMedia(
title=section.title,
media_class=MEDIA_CLASS_DIRECTORY,
media_content_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})"
return BrowseMedia(
title=title,
media_class=parent_payload.media_class,
media_content_id=f"{parent_payload.media_content_id}:{special_type}",
media_content_type=parent_payload.media_content_type,
can_play=False,
can_expand=True,
children_media_class=parent_payload.children_media_class,
)
def server_payload(plex_server):
"""Create response payload to describe libraries of the Plex server."""
server_info = BrowseMedia(
title=plex_server.friendly_name,
media_class=MEDIA_CLASS_DIRECTORY,
media_content_id=plex_server.machine_identifier,
media_content_type="server",
can_play=False,
can_expand=True,
children_media_class=MEDIA_CLASS_DIRECTORY,
)
server_info.children = []
server_info.children.append(special_library_payload(server_info, "On Deck"))
server_info.children.append(special_library_payload(server_info, "Recently Added"))
for library in plex_server.library.sections():
if library.type == "photo":
continue
server_info.children.append(library_section_payload(library))
server_info.children.append(BrowseMedia(**PLAYLISTS_BROWSE_PAYLOAD))
return server_info
def library_payload(plex_server, library_id):
"""Create response payload to describe contents of a specific library."""
library = plex_server.library.sectionByID(library_id)
library_info = library_section_payload(library)
library_info.children = []
library_info.children.append(special_library_payload(library_info, "On Deck"))
library_info.children.append(
special_library_payload(library_info, "Recently Added")
)
for item in library.all():
try:
library_info.children.append(item_payload(item))
except UnknownMediaType:
continue
return library_info
def playlists_payload(plex_server):
"""Create response payload for all available playlists."""
playlists_info = {**PLAYLISTS_BROWSE_PAYLOAD, "children": []}
for playlist in plex_server.playlists():
try:
playlists_info["children"].append(item_payload(playlist))
except UnknownMediaType:
continue
response = BrowseMedia(**playlists_info)
response.children_media_class = MEDIA_CLASS_PLAYLIST
return response