kodi.plugin.video.peertube/peertube.py

458 lines
17 KiB
Python

# -*- coding: utf-8 -*-
"""
A Kodi add-on to play video hosted on the PeerTube service
(http://joinpeertube.org/)
Copyright (C) 2018 Cyrille Bollu
Copyright (C) 2021 Thomas Bétous
SPDX-License-Identifier: GPL-3.0-only
See LICENSE.txt for more information.
"""
import sys
try:
# Python 3.x
from urllib.parse import parse_qsl
except ImportError:
# Python 2.x
from urlparse import parse_qsl
import AddonSignals # Module exists only in Kodi - pylint: disable=import-error
from requests.compat import urlencode
import xbmc # Kodistubs for Leia is not compatible with python3 / pylint: disable=syntax-error
import xbmcgui # Kodistubs for Leia is not compatible with python3 / pylint: disable=syntax-error
import xbmcplugin
from resources.lib.kodi_utils import (
debug, get_property, get_setting, notif_error, notif_info, notif_warning,
open_dialog, set_setting)
from resources.lib.peertube import PeerTube, list_instances
class PeertubeAddon():
"""
Main class of the addon
"""
# URL of the page which explains how to install libtorrent
HELP_URL = "https://link.infini.fr/libtorrent-peertube-kodi"
def __init__(self, plugin, plugin_id):
"""
Initialisation of the PeertubeAddon class
:param plugin, plugin_id: str, int
"""
# Save addon URL and ID
self.plugin_url = plugin
self.plugin_id = plugin_id
# Select preferred instance by default
self.selected_inst ="https://{}"\
.format(get_setting("preferred_instance"))
# Get the number of videos to show per page
self.items_per_page = int(get_setting("items_per_page"))
# Get the preferred resolution for video
self.preferred_resolution = get_setting("preferred_resolution")
# Nothing to play at initialisation
self.play = 0
self.torrent_name = ""
self.torrent_f = ""
# Check whether libtorrent could be imported by the service. The value
# of the associated property is retrieved only once and stored in an
# attribute because libtorrent is imported only once at the beginning
# of the service (we assume it is not possible to start the add-on
# before the service)
self.libtorrent_imported = \
get_property("libtorrent_imported") == "True"
# Create a PeerTube object to send requests: settings which are used
# only by this object are directly retrieved from the settings
self.peertube = PeerTube(instance=self.selected_inst,
count=self.items_per_page,
sort=get_setting("video_sort_method"),
video_filter=get_setting("video_filter"))
def create_list(self, lst, data_type, start):
"""
Create an array of xmbcgui.ListItem's from the lst parameter
:param lst, data_type, start: dict, str, str
:result listing: array
"""
# Create a list for our items.
listing = []
for data in lst["data"]:
# Create a list item with a text label
list_item = xbmcgui.ListItem(label=data["name"])
if data_type == "videos":
# Add thumbnail
list_item.setArt({
"thumb": "{0}/{1}".format(self.selected_inst,
data["thumbnailPath"])})
# Set a fanart image for the list item.
# list_item.setProperty("fanart_image", data["thumb"])
# Compute media info from item's metadata
info = {"title": data["name"],
"playcount": data["views"],
"plotoutline": data["description"],
"duration": data["duration"]
}
# For videos, add a rating based on likes and dislikes
if data["likes"] > 0 or data["dislikes"] > 0:
info["rating"] = data["likes"] / (
data["likes"] + data["dislikes"])
# Set additional info for the list item.
list_item.setInfo("video", info)
# Videos are playable
list_item.setProperty("IsPlayable", "true")
# Build the Kodi URL to play the associated video only with the
# id of the video. The instance is omitted because the
# currently selected instance will be used automatically.
url = self.build_kodi_url({
"action": "play_video",
"id": data["uuid"]
})
elif data_type == "instances":
# TODO: Add a context menu to select instance as preferred
# Instances are not playable
list_item.setProperty("IsPlayable", "false")
# Set URL to select this instance
url = self.build_kodi_url({
"action": "select_instance",
"url": data["host"]
})
# Add our item to the listing as a 3-element tuple.
listing.append((url, list_item, False))
# Add a "Next page" button when there are more data to show
start = int(start) + self.items_per_page
if lst["total"] > start:
list_item = xbmcgui.ListItem(label="Next page ({0})"
.format(start/self.items_per_page))
url = self.build_kodi_url({
"action": "browse_{0}".format(data_type),
"start": start})
listing.append((url, list_item, True))
return listing
def get_video_url(self, video_id, instance=None):
"""Find the URL of the video with the best possible quality matching
user's preferences.
:param video_id: ID of the torrent linked to the video
:type video_id: str
:param instance: PeerTube instance hosting the video (optional)
:type instance: str
"""
# If no instance was provided, use the selected one (internal call)
if instance is None:
instance = self.selected_inst
else:
# If an instance was provided (external call), ensure the URL is
# prefixed with HTTPS
if not instance.startswith("https://"):
instance = "https://{}".format(instance)
# Retrieve the information about the video
metadata = self.peertube.get_video(video_id)
# Depending if WebTorrent is enabled or not, the files corresponding to
# different resolutions available for a video may be stored in "files"
# or "streamingPlaylists[].files". Note that "files" will always exist
# in the response but may be empty.
if len(metadata["files"]) != 0:
files = metadata["files"]
else:
files = metadata["streamingPlaylists"][0]["files"]
debug("Looking for the best resolution matching the user preferences")
current_res = 0
higher_res = -1
torrent_url = ""
for f in files:
# Get the resolution
res = f["resolution"]["id"]
if res == self.preferred_resolution:
# Stop directly when we find the exact same resolution as the
# user's preferred one
debug("Found video with preferred resolution")
torrent_url = f["torrentUrl"]
break
elif res < self.preferred_resolution and res > current_res:
# Otherwise, try to find the best one just below the user's
# preferred one
debug("Found video with good lower resolution ({0})"
.format(f["resolution"]["label"]))
torrent_url = f["torrentUrl"]
current_res = res
elif (res > self.preferred_resolution
and (res < higher_res or higher_res == -1)):
# In the worst case, we'll take the one just above the user's
# preferred one
debug("Saving video with higher resolution ({0}) as a possible"
" alternative".format(f["resolution"]["label"]))
backup_url = f["torrentUrl"]
higher_res = res
# When we didn't find a resolution equal or lower than the user's
# preferred one, use the resolution just above the preferred one
if not torrent_url:
debug("Using video with higher resolution as alternative")
torrent_url = backup_url
return torrent_url
def search_videos(self, start):
"""
Function to search for videos on a PeerTube instance and navigate
in the results
:param start: string
"""
# Ask the user which keywords must be searched for
keywords = xbmcgui.Dialog().input(
heading="Search videos on {}".format(self.selected_inst),
type=xbmcgui.INPUT_ALPHANUM)
# Go back to main menu when user cancels
if not keywords:
return
# Send the query
results = self.peertube.search_videos(keywords, start)
# Exit directly when no result is found
if not results:
notif_warning(title="No videos found",
message="No videos found matching the query.")
return
# Create array of xmbcgui.ListItem's
listing = self.create_list(results, "videos", start)
# Add our listing to Kodi.
xbmcplugin.addDirectoryItems(self.plugin_id, listing, len(listing))
xbmcplugin.endOfDirectory(self.plugin_id)
def browse_videos(self, start):
"""
Function to navigate through all the video published by a PeerTube
instance
:param start: string
"""
# Send the query
results = self.peertube.list_videos(start)
# Create array of xmbcgui.ListItem's
listing = self.create_list(results, "videos", start)
# Add our listing to Kodi.
xbmcplugin.addDirectoryItems(self.plugin_id, listing, len(listing))
xbmcplugin.endOfDirectory(self.plugin_id)
def browse_instances(self, start):
"""
Function to navigate through all PeerTube instances
:param start: str
"""
# Send the query
results = list_instances(start)
# Create array of xmbcgui.ListItem's
listing = self.create_list(results, "instances", start)
# Add our listing to Kodi.
xbmcplugin.addDirectoryItems(self.plugin_id, listing, len(listing))
xbmcplugin.endOfDirectory(self.plugin_id)
def play_video_continue(self, data):
"""
Callback function to let the play_video function resume when the
PeertubeDownloader has downloaded all the torrent's metadata
:param data: dict
"""
debug("Received metadata_downloaded signal, will start playing media")
self.play = 1
self.torrent_f = data["file"]
def play_video(self, torrent_url):
"""
Start the torrent's download and play it while being downloaded
:param torrent_url: str
"""
# If libtorrent could not be imported, display a message and do not try
# download nor play the video as it will fail.
if not self.libtorrent_imported:
open_dialog(title="Error: libtorrent could not be imported",
message="PeerTube cannot play videos without"
" libtorrent.\nPlease follow the instructions"
" at {}".format(self.HELP_URL))
return
debug("Starting torrent download ({0})".format(torrent_url))
# Start a downloader thread
AddonSignals.sendSignal("start_download", {"url": torrent_url})
# Wait until the PeerTubeDownloader has downloaded all the torrent's
# metadata
AddonSignals.registerSlot("plugin.video.peertube",
"metadata_downloaded",
self.play_video_continue)
timeout = 0
while self.play == 0 and timeout < 10:
xbmc.sleep(1000)
timeout += 1
# Abort in case of timeout
if timeout == 10:
notif_error(title="Download timeout",
message="Timeout fetching {}".format(torrent_url))
return
else:
# Wait a little before starting playing the torrent
xbmc.sleep(3000)
# Pass the item to the Kodi player for actual playback.
debug("Starting video playback ({0})".format(torrent_url))
play_item = xbmcgui.ListItem(path=self.torrent_f)
xbmcplugin.setResolvedUrl(self.plugin_id, True, listitem=play_item)
def select_instance(self, instance):
"""
Change currently selected instance to "instance" parameter
:param instance: str
"""
# Update the object attribute even though it is not used currently but
# it may be useful in case reuselanguageinvoker is enabled.
self.selected_inst = "https://{}".format(instance)
# Update the preferred instance in the settings so that this choice is
# reused on the next run and the next call of the add-on
set_setting("preferred_instance", instance)
# Notify the user and log the event
message = "{0} is now the selected instance".format(self.selected_inst)
notif_info(title="Current instance changed",
message=message)
debug(message)
def build_kodi_url(self, parameters):
"""Build a Kodi URL based on the parameters.
:param parameters: dict containing all the parameters that will be
encoded in the URL
"""
return "{0}?{1}".format(self.plugin_url, urlencode(parameters))
def main_menu(self):
"""
Addon's main menu
"""
# Create a list for our items.
listing = []
# 1st menu entry
list_item = xbmcgui.ListItem(label="Browse selected instance")
url = self.build_kodi_url({"action": "browse_videos", "start": 0})
listing.append((url, list_item, True))
# 2nd menu entry
list_item = xbmcgui.ListItem(label="Search on selected instance")
url = self.build_kodi_url({"action": "search_videos", "start": 0})
listing.append((url, list_item, True))
# 3rd menu entry
list_item = xbmcgui.ListItem(label="Select other instance")
url = self.build_kodi_url({"action": "browse_instances", "start": 0})
listing.append((url, list_item, True))
# Add our listing to Kodi.
xbmcplugin.addDirectoryItems(self.plugin_id, listing, len(listing))
# Finish creating a virtual folder.
xbmcplugin.endOfDirectory(self.plugin_id)
def router(self, paramstring):
"""
Router function that calls other functions
depending on the provided paramstring
:param paramstring: dict
"""
# Parse a URL-encoded paramstring to the dictionary of
# {<parameter>: <value>} elements
params = dict(parse_qsl(paramstring[1:]))
# Check the parameters passed to the plugin
if params:
action = params["action"]
if action == "browse_videos":
# Browse videos on selected instance
self.browse_videos(params["start"])
elif action == "search_videos":
# Search for videos on selected instance
self.search_videos(params["start"])
elif action == "browse_instances":
# Browse peerTube instances
self.browse_instances(params["start"])
elif action == "play_video":
# This action comes with the id of the video to play as
# parameter. The instance may also be in the parameters. Use
# these parameters to retrieve the complete URL (containing the
# resolution).
url = self.get_video_url(instance=params.get("instance"),
video_id=params.get("id"))
# Play the video using the URL
self.play_video(url)
elif action == "select_instance":
self.select_instance(params["url"])
else:
# Display the addon's main menu when the plugin is called from
# Kodi UI without any parameters
self.main_menu()
# Display a warning if libtorrent could not be imported
if not self.libtorrent_imported:
open_dialog(title="Error: libtorrent could not be imported",
message="You can still browse and search videos"
" but you will not be able to play them.\n"
"Please follow the instructions at {}"
.format(self.HELP_URL))
if __name__ == "__main__":
# Initialise addon
addon = PeertubeAddon(sys.argv[0], int(sys.argv[1]))
# Call the router function and pass the plugin call parameters to it.
addon.router(sys.argv[2])