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# -*- coding: utf-8 -*-
# Copyright 2018-2022 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
"""Downloader module for URLs requiring youtube-dl support"""
from .common import DownloaderBase
from .. import ytdl, text
import os
class YoutubeDLDownloader(DownloaderBase):
scheme = "ytdl"
def __init__(self, job):
DownloaderBase.__init__(self, job)
extractor = job.extractor
retries = self.config("retries", extractor._retries)
self.ytdl_opts = {
"retries": retries+1 if retries >= 0 else float("inf"),
"socket_timeout": self.config("timeout", extractor._timeout),
"nocheckcertificate": not self.config("verify", extractor._verify),
"proxy": self.proxies.get("http") if self.proxies else None,
}
self.ytdl_instance = None
self.forward_cookies = self.config("forward-cookies", False)
self.progress = self.config("progress", 3.0)
self.outtmpl = self.config("outtmpl")
def download(self, url, pathfmt):
kwdict = pathfmt.kwdict
ytdl_instance = kwdict.pop("_ytdl_instance", None)
if not ytdl_instance:
ytdl_instance = self.ytdl_instance
if not ytdl_instance:
try:
module = ytdl.import_module(self.config("module"))
except (ImportError, SyntaxError) as exc:
self.log.error("Cannot import module '%s'",
getattr(exc, "name", ""))
self.log.debug("", exc_info=exc)
self.download = lambda u, p: False
return False
self.ytdl_instance = ytdl_instance = ytdl.construct_YoutubeDL(
module, self, self.ytdl_opts)
if self.outtmpl == "default":
self.outtmpl = module.DEFAULT_OUTTMPL
if self.forward_cookies:
set_cookie = ytdl_instance.cookiejar.set_cookie
for cookie in self.session.cookies:
set_cookie(cookie)
if self.progress is not None and not ytdl_instance._progress_hooks:
ytdl_instance.add_progress_hook(self._progress_hook)
info_dict = kwdict.pop("_ytdl_info_dict", None)
if not info_dict:
try:
info_dict = ytdl_instance.extract_info(url[5:], download=False)
except Exception as exc:
self.log.debug("", exc_info=exc)
if not info_dict:
return False
if "entries" in info_dict:
index = kwdict.get("_ytdl_index")
if index is None:
return self._download_playlist(
ytdl_instance, pathfmt, info_dict)
else:
info_dict = info_dict["entries"][index]
extra = kwdict.get("_ytdl_extra")
if extra:
info_dict.update(extra)
return self._download_video(ytdl_instance, pathfmt, info_dict)
def _download_video(self, ytdl_instance, pathfmt, info_dict):
if "url" in info_dict:
text.nameext_from_url(info_dict["url"], pathfmt.kwdict)
formats = info_dict.get("requested_formats")
if formats and not compatible_formats(formats):
info_dict["ext"] = "mkv"
elif "ext" not in info_dict:
try:
info_dict["ext"] = info_dict["formats"][0]["ext"]
except LookupError:
info_dict["ext"] = "mp4"
if self.outtmpl:
self._set_outtmpl(ytdl_instance, self.outtmpl)
pathfmt.filename = filename = \
ytdl_instance.prepare_filename(info_dict)
pathfmt.extension = info_dict["ext"]
pathfmt.path = pathfmt.directory + filename
pathfmt.realpath = pathfmt.temppath = (
pathfmt.realdirectory + filename)
else:
pathfmt.set_extension(info_dict["ext"])
pathfmt.build_path()
if pathfmt.exists():
pathfmt.temppath = ""
return True
if self.part and self.partdir:
pathfmt.temppath = os.path.join(
self.partdir, pathfmt.filename)
self._set_outtmpl(ytdl_instance, pathfmt.temppath.replace("%", "%%"))
self.out.start(pathfmt.path)
try:
ytdl_instance.process_info(info_dict)
except Exception as exc:
self.log.debug("", exc_info=exc)
return False
return True
def _download_playlist(self, ytdl_instance, pathfmt, info_dict):
pathfmt.set_extension("%(playlist_index)s.%(ext)s")
pathfmt.build_path()
self._set_outtmpl(ytdl_instance, pathfmt.realpath)
for entry in info_dict["entries"]:
ytdl_instance.process_info(entry)
return True
def _progress_hook(self, info):
if info["status"] == "downloading" and \
info["elapsed"] >= self.progress:
total = info.get("total_bytes") or info.get("total_bytes_estimate")
speed = info.get("speed")
self.out.progress(
None if total is None else int(total),
info["downloaded_bytes"],
int(speed) if speed else 0,
)
@staticmethod
def _set_outtmpl(ytdl_instance, outtmpl):
try:
ytdl_instance._parse_outtmpl
except AttributeError:
try:
ytdl_instance.outtmpl_dict["default"] = outtmpl
except AttributeError:
ytdl_instance.params["outtmpl"] = outtmpl
else:
ytdl_instance.params["outtmpl"] = {"default": outtmpl}
def compatible_formats(formats):
"""Returns True if 'formats' are compatible for merge"""
video_ext = formats[0].get("ext")
audio_ext = formats[1].get("ext")
if video_ext == "webm" and audio_ext == "webm":
return True
exts = ("mp3", "mp4", "m4a", "m4p", "m4b", "m4r", "m4v", "ismv", "isma")
return video_ext in exts and audio_ext in exts
__downloader__ = YoutubeDLDownloader
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