mirror of
https://github.com/ihabunek/twitch-dl
synced 2024-08-30 18:32:25 +00:00
323 lines
9.5 KiB
Python
323 lines
9.5 KiB
Python
import m3u8
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import re
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import requests
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import shutil
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import subprocess
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import tempfile
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from os import path
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from pathlib import Path
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from urllib.parse import urlparse
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from twitchdl import twitch, utils
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from twitchdl.download import download_file, download_files
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from twitchdl.exceptions import ConsoleError
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from twitchdl.output import print_out, print_video
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def _continue():
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print_out(
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"\nThere are more videos. "
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"Press <green><b>Enter</green> to continue, "
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"<yellow><b>Ctrl+C</yellow> to break."
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)
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try:
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input()
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except KeyboardInterrupt:
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return False
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return True
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def _get_game_ids(names):
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if not names:
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return []
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game_ids = []
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for name in names:
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print_out("<dim>Looking up game '{}'...</dim>".format(name))
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game_id = twitch.get_game_id(name)
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if not game_id:
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raise ConsoleError("Game '{}' not found".format(name))
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game_ids.append(int(game_id))
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return game_ids
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def videos(args):
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game_ids = _get_game_ids(args.game)
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print_out("<dim>Loading videos...</dim>")
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generator = twitch.channel_videos_generator(
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args.channel_name, args.limit, args.sort, args.type, game_ids=game_ids)
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first = 1
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for videos, has_more in generator:
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count = len(videos["edges"]) if "edges" in videos else 0
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total = videos["totalCount"]
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last = first + count - 1
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print_out("-" * 80)
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print_out("<yellow>Showing videos {}-{} of {}</yellow>".format(first, last, total))
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for video in videos["edges"]:
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print_video(video["node"])
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if not has_more or not _continue():
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break
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first += count
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else:
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print_out("<yellow>No videos found</yellow>")
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def _parse_playlists(playlists_m3u8):
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playlists = m3u8.loads(playlists_m3u8)
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for p in playlists.playlists:
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name = p.media[0].name if p.media else ""
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resolution = "x".join(str(r) for r in p.stream_info.resolution)
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yield name, resolution, p.uri
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def _get_playlist_by_name(playlists, quality):
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if quality == "source":
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_, _, uri = playlists[0]
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return uri
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for name, _, uri in playlists:
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if name == quality:
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return uri
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available = ", ".join([name for (name, _, _) in playlists])
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msg = "Quality '{}' not found. Available qualities are: {}".format(quality, available)
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raise ConsoleError(msg)
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def _select_playlist_interactive(playlists):
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print_out("\nAvailable qualities:")
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for n, (name, resolution, uri) in enumerate(playlists):
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print_out("{}) {} [{}]".format(n + 1, name, resolution))
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no = utils.read_int("Choose quality", min=1, max=len(playlists) + 1, default=1)
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_, _, uri = playlists[no - 1]
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return uri
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def _join_vods(playlist_path, target, overwrite, no_overwrite):
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command = [
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"ffmpeg",
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"-i", playlist_path,
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"-c", "copy",
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target,
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"-stats",
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"-loglevel", "warning",
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]
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if overwrite:
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command.append("-y")
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print_out("<dim>{}</dim>".format(" ".join(command)))
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result = subprocess.run(command)
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if result.returncode != 0:
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raise ConsoleError("Joining files failed")
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def _video_target_filename(video, format):
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match = re.search(r"^(\d{4})-(\d{2})-(\d{2})T", video['published_at'])
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date = "".join(match.groups())
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name = "_".join([
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date,
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video['_id'][1:],
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video['channel']['name'],
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utils.slugify(video['title']),
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])
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return name + "." + format
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def _get_vod_paths(playlist, start, end):
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"""Extract unique VOD paths for download from playlist."""
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files = []
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vod_start = 0
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for segment in playlist.segments:
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vod_end = vod_start + segment.duration
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# `vod_end > start` is used here becuase it's better to download a bit
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# more than a bit less, similar for the end condition
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start_condition = not start or vod_end > start
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end_condition = not end or vod_start < end
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if start_condition and end_condition and segment.uri not in files:
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files.append(segment.uri)
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vod_start = vod_end
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return files
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def _crete_temp_dir(base_uri):
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"""Create a temp dir to store downloads if it doesn't exist."""
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path = urlparse(base_uri).path.lstrip("/")
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temp_dir = Path(tempfile.gettempdir(), "twitch-dl", path)
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temp_dir.mkdir(parents=True, exist_ok=True)
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return temp_dir
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VIDEO_PATTERNS = [
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r"^(?P<id>\d+)?$",
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r"^https://(www.)?twitch.tv/videos/(?P<id>\d+)(\?.+)?$",
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]
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CLIP_PATTERNS = [
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r"^(?P<slug>[A-Za-z0-9]+)$",
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r"^https://(www.)?twitch.tv/\w+/clip/(?P<slug>[A-Za-z0-9]+)(\?.+)?$",
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r"^https://clips.twitch.tv/(?P<slug>[A-Za-z0-9]+)(\?.+)?$",
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]
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def download(args):
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for pattern in VIDEO_PATTERNS:
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match = re.match(pattern, args.video)
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if match:
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video_id = match.group('id')
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return _download_video(video_id, args)
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for pattern in CLIP_PATTERNS:
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match = re.match(pattern, args.video)
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if match:
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clip_slug = match.group('slug')
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return _download_clip(clip_slug, args)
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raise ConsoleError("Invalid video: {}".format(args.video))
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def _get_clip_url(clip, args):
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qualities = clip["videoQualities"]
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# Quality given as an argument
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if args.quality:
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if args.quality == "source":
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return qualities[0]["sourceURL"]
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selected_quality = args.quality.rstrip("p") # allow 720p as well as 720
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for q in qualities:
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if q["quality"] == selected_quality:
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return q["sourceURL"]
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available = ", ".join([str(q["quality"]) for q in qualities])
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msg = "Quality '{}' not found. Available qualities are: {}".format(args.quality, available)
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raise ConsoleError(msg)
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# Ask user to select quality
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print_out("\nAvailable qualities:")
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for n, q in enumerate(qualities):
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print_out("{}) {} [{} fps]".format(n + 1, q["quality"], q["frameRate"]))
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print_out()
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no = utils.read_int("Choose quality", min=1, max=len(qualities), default=1)
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selected_quality = qualities[no - 1]
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return selected_quality["sourceURL"]
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def _download_clip(slug, args):
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print_out("<dim>Looking up clip...</dim>")
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clip = twitch.get_clip(slug)
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if not clip:
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raise ConsoleError("Clip '{}' not found".format(slug))
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print_out("Found: <green>{}</green> by <yellow>{}</yellow>, playing <blue>{}</blue> ({})".format(
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clip["title"],
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clip["broadcaster"]["displayName"],
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clip["game"]["name"],
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utils.format_duration(clip["durationSeconds"])
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))
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url = _get_clip_url(clip, args)
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print_out("<dim>Selected URL: {}</dim>".format(url))
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url_path = urlparse(url).path
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extension = Path(url_path).suffix
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filename = "{}_{}{}".format(
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clip["broadcaster"]["login"],
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utils.slugify(clip["title"]),
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extension
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)
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print_out("Downloading clip...")
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download_file(url, filename)
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print_out("Downloaded: {}".format(filename))
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def _download_video(video_id, args):
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if args.start and args.end and args.end <= args.start:
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raise ConsoleError("End time must be greater than start time")
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print_out("<dim>Looking up video...</dim>")
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video = twitch.get_video(video_id)
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print_out("Found: <blue>{}</blue> by <yellow>{}</yellow>".format(
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video['title'], video['channel']['display_name']))
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print_out("<dim>Fetching access token...</dim>")
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access_token = twitch.get_access_token(video_id)
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print_out("<dim>Fetching playlists...</dim>")
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playlists_m3u8 = twitch.get_playlists(video_id, access_token)
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playlists = list(_parse_playlists(playlists_m3u8))
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playlist_uri = (_get_playlist_by_name(playlists, args.quality) if args.quality
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else _select_playlist_interactive(playlists))
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print_out("<dim>Fetching playlist...</dim>")
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response = requests.get(playlist_uri)
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response.raise_for_status()
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playlist = m3u8.loads(response.text)
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base_uri = re.sub("/[^/]+$", "/", playlist_uri)
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target_dir = _crete_temp_dir(base_uri)
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vod_paths = _get_vod_paths(playlist, args.start, args.end)
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# Save playlists for debugging purposes
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with open(path.join(target_dir, "playlists.m3u8"), "w") as f:
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f.write(playlists_m3u8)
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with open(path.join(target_dir, "playlist.m3u8"), "w") as f:
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f.write(response.text)
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print_out("\nDownloading {} VODs using {} workers to {}".format(
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len(vod_paths), args.max_workers, target_dir))
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path_map = download_files(base_uri, target_dir, vod_paths, args.max_workers)
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# Make a modified playlist which references downloaded VODs
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# Keep only the downloaded segments and skip the rest
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org_segments = playlist.segments.copy()
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playlist.segments.clear()
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for segment in org_segments:
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if segment.uri in path_map:
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segment.uri = path_map[segment.uri]
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playlist.segments.append(segment)
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playlist_path = path.join(target_dir, "playlist_downloaded.m3u8")
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playlist.dump(playlist_path)
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if args.no_join:
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print_out("\n\n<dim>Skipping joining files...</dim>")
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print_out("VODs downloaded to:\n<blue>{}</blue>".format(target_dir))
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return
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print_out("\n\nJoining files...")
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target = _video_target_filename(video, args.format)
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_join_vods(playlist_path, target, args.overwrite)
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if args.keep:
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print_out("\n<dim>Temporary files not deleted: {}</dim>".format(target_dir))
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else:
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print_out("\n<dim>Deleting temporary files...</dim>")
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shutil.rmtree(target_dir)
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print_out("\nDownloaded: <green>{}</green>".format(target))
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