mirror of
https://github.com/mikf/gallery-dl.git
synced 2024-11-25 12:12:34 +01:00
220 lines
7.8 KiB
Python
220 lines
7.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018-2022 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Downloader module for URLs requiring youtube-dl support"""
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from .common import DownloaderBase
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from .. import ytdl, text
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import os
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class YoutubeDLDownloader(DownloaderBase):
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scheme = "ytdl"
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def __init__(self, job):
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DownloaderBase.__init__(self, job)
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extractor = job.extractor
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retries = self.config("retries", extractor._retries)
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self.ytdl_opts = {
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"retries": retries+1 if retries >= 0 else float("inf"),
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"socket_timeout": self.config("timeout", extractor._timeout),
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"nocheckcertificate": not self.config("verify", extractor._verify),
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"proxy": self.proxies.get("http") if self.proxies else None,
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}
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self.ytdl_instance = None
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self.forward_cookies = self.config("forward-cookies", True)
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self.progress = self.config("progress", 3.0)
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self.outtmpl = self.config("outtmpl")
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def download(self, url, pathfmt):
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kwdict = pathfmt.kwdict
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ytdl_instance = kwdict.pop("_ytdl_instance", None)
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if not ytdl_instance:
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ytdl_instance = self.ytdl_instance
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if not ytdl_instance:
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try:
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module = ytdl.import_module(self.config("module"))
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except (ImportError, SyntaxError) as exc:
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self.log.error("Cannot import module '%s'",
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getattr(exc, "name", ""))
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self.log.debug("", exc_info=exc)
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self.download = lambda u, p: False
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return False
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self.ytdl_instance = ytdl_instance = ytdl.construct_YoutubeDL(
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module, self, self.ytdl_opts)
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if self.outtmpl == "default":
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self.outtmpl = module.DEFAULT_OUTTMPL
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if self.forward_cookies:
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self.log.debug("Forwarding cookies to %s",
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ytdl_instance.__module__)
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set_cookie = ytdl_instance.cookiejar.set_cookie
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for cookie in self.session.cookies:
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set_cookie(cookie)
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if self.progress is not None and not ytdl_instance._progress_hooks:
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ytdl_instance.add_progress_hook(self._progress_hook)
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info_dict = kwdict.pop("_ytdl_info_dict", None)
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if not info_dict:
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url = url[5:]
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try:
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manifest = kwdict.pop("_ytdl_manifest", None)
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if manifest:
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info_dict = self._extract_manifest(
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ytdl_instance, url, manifest)
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else:
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info_dict = self._extract_info(ytdl_instance, url)
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except Exception as exc:
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self.log.debug("", exc_info=exc)
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self.log.warning("%s: %s", exc.__class__.__name__, exc)
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if not info_dict:
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return False
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if "entries" in info_dict:
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index = kwdict.get("_ytdl_index")
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if index is None:
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return self._download_playlist(
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ytdl_instance, pathfmt, info_dict)
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else:
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info_dict = info_dict["entries"][index]
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extra = kwdict.get("_ytdl_extra")
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if extra:
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info_dict.update(extra)
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return self._download_video(ytdl_instance, pathfmt, info_dict)
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def _download_video(self, ytdl_instance, pathfmt, info_dict):
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if "url" in info_dict:
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text.nameext_from_url(info_dict["url"], pathfmt.kwdict)
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formats = info_dict.get("requested_formats")
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if formats and not compatible_formats(formats):
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info_dict["ext"] = "mkv"
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elif "ext" not in info_dict:
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try:
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info_dict["ext"] = info_dict["formats"][0]["ext"]
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except LookupError:
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info_dict["ext"] = "mp4"
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if self.outtmpl:
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self._set_outtmpl(ytdl_instance, self.outtmpl)
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pathfmt.filename = filename = \
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ytdl_instance.prepare_filename(info_dict)
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pathfmt.extension = info_dict["ext"]
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pathfmt.path = pathfmt.directory + filename
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pathfmt.realpath = pathfmt.temppath = (
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pathfmt.realdirectory + filename)
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else:
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pathfmt.set_extension(info_dict["ext"])
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pathfmt.build_path()
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if pathfmt.exists():
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pathfmt.temppath = ""
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return True
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if self.part and self.partdir:
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pathfmt.temppath = os.path.join(
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self.partdir, pathfmt.filename)
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self._set_outtmpl(ytdl_instance, pathfmt.temppath.replace("%", "%%"))
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self.out.start(pathfmt.path)
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try:
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ytdl_instance.process_info(info_dict)
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except Exception as exc:
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self.log.debug("", exc_info=exc)
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return False
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return True
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def _download_playlist(self, ytdl_instance, pathfmt, info_dict):
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pathfmt.set_extension("%(playlist_index)s.%(ext)s")
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pathfmt.build_path()
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self._set_outtmpl(ytdl_instance, pathfmt.realpath)
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for entry in info_dict["entries"]:
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ytdl_instance.process_info(entry)
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return True
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def _extract_info(self, ytdl, url):
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return ytdl.extract_info(url, download=False)
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def _extract_manifest(self, ytdl, url, manifest):
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extr = ytdl.get_info_extractor("Generic")
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video_id = extr._generic_id(url)
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if manifest == "hls":
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try:
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formats, subtitles = extr._extract_m3u8_formats_and_subtitles(
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url, video_id, "mp4")
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except AttributeError:
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formats = extr._extract_m3u8_formats(url, video_id, "mp4")
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subtitles = None
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elif manifest == "dash":
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try:
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formats, subtitles = extr._extract_mpd_formats_and_subtitles(
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url, video_id)
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except AttributeError:
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formats = extr._extract_mpd_formats(url, video_id)
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subtitles = None
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else:
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self.log.error("Unsupported manifest type '%s'", manifest)
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return None
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info_dict = {
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"id" : video_id,
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"title" : video_id,
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"formats" : formats,
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"subtitles": subtitles,
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}
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# extr._extra_manifest_info(info_dict, url)
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return ytdl.process_ie_result(info_dict, download=False)
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def _progress_hook(self, info):
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if info["status"] == "downloading" and \
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info["elapsed"] >= self.progress:
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total = info.get("total_bytes") or info.get("total_bytes_estimate")
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speed = info.get("speed")
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self.out.progress(
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None if total is None else int(total),
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info["downloaded_bytes"],
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int(speed) if speed else 0,
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)
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@staticmethod
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def _set_outtmpl(ytdl_instance, outtmpl):
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try:
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ytdl_instance._parse_outtmpl
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except AttributeError:
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try:
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ytdl_instance.outtmpl_dict["default"] = outtmpl
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except AttributeError:
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ytdl_instance.params["outtmpl"] = outtmpl
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else:
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ytdl_instance.params["outtmpl"] = {"default": outtmpl}
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def compatible_formats(formats):
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"""Returns True if 'formats' are compatible for merge"""
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video_ext = formats[0].get("ext")
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audio_ext = formats[1].get("ext")
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if video_ext == "webm" and audio_ext == "webm":
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return True
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exts = ("mp3", "mp4", "m4a", "m4p", "m4b", "m4r", "m4v", "ismv", "isma")
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return video_ext in exts and audio_ext in exts
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__downloader__ = YoutubeDLDownloader
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