mirror of
https://github.com/spaam/svtplay-dl.git
synced 2024-11-24 12:15:40 +01:00
218 lines
7.5 KiB
Python
218 lines
7.5 KiB
Python
# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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from __future__ import absolute_import
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import copy
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import xml.etree.ElementTree as ET
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import os
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import re
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from svtplay_dl.output import progress_stream, output, ETA, progressbar
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from svtplay_dl.utils.urllib import urljoin
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from svtplay_dl.error import UIException, ServiceError
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from svtplay_dl.fetcher import VideoRetriever
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class DASHException(UIException):
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def __init__(self, url, message):
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self.url = url
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super(DASHException, self).__init__(message)
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class LiveDASHException(DASHException):
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def __init__(self, url):
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super(LiveDASHException, self).__init__(
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url, "This is a live DASH stream, and they are not supported.")
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def templateelemt(element, filename, idnumber):
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files = []
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init = element.attrib["initialization"]
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media = element.attrib["media"]
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if "startNumber" in element.attrib:
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start = int(element.attrib["startNumber"])
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else:
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start = 0
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timeline = element.find("{urn:mpeg:dash:schema:mpd:2011}SegmentTimeline")
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rvalue = timeline.findall(".//{urn:mpeg:dash:schema:mpd:2011}S[@r]")
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selements = timeline.findall(".//{urn:mpeg:dash:schema:mpd:2011}S")
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selements.pop()
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if rvalue:
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total = int(rvalue[0].attrib["r"]) + len(selements) + 1
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name = media.replace("$RepresentationID$", idnumber)
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files.append(urljoin(filename, init.replace("$RepresentationID$", idnumber)))
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if "$Time$" in media:
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time = []
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time.append(0)
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for n in selements:
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time.append(int(n.attrib["d"]))
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match = re.search("\$Time\$", name)
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if match:
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number = 0
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if len(selements) < 3:
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for n in range(start, start + total):
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new = name.replace("$Time$", str(n * int(rvalue[0].attrib["d"])))
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files.append(urljoin(filename, new))
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else:
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for n in time:
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number += int(n)
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new = name.replace("$Time$", str(number))
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files.append(urljoin(filename, new))
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if "$Number" in name:
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if re.search("\$Number(\%\d+)d\$", name):
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vname = name.replace("$Number", "").replace("$", "")
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for n in range(start, start + total):
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files.append(urljoin(filename, vname % n))
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else:
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for n in range(start, start + total):
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newname = name.replace("$Number$", str(n))
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files.append(urljoin(filename, newname))
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return files
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def adaptionset(element, url, baseurl=None):
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streams = {}
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dirname = os.path.dirname(url) + "/"
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if baseurl:
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dirname = urljoin(dirname, baseurl)
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template = element[0].find("{urn:mpeg:dash:schema:mpd:2011}SegmentTemplate")
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represtation = element[0].findall(".//{urn:mpeg:dash:schema:mpd:2011}Representation")
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for i in represtation:
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files = []
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segments = False
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filename = dirname
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bitrate = int(int(i.attrib["bandwidth"]) / 1000)
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idnumber = i.attrib["id"]
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if i.find("{urn:mpeg:dash:schema:mpd:2011}BaseURL") is not None:
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filename = urljoin(filename, i.find("{urn:mpeg:dash:schema:mpd:2011}BaseURL").text)
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if i.find("{urn:mpeg:dash:schema:mpd:2011}SegmentBase") is not None:
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files.append(filename)
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if template is not None:
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segments = True
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files = templateelemt(template, filename, idnumber)
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elif i.find("{urn:mpeg:dash:schema:mpd:2011}SegmentTemplate"):
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segments = True
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files = templateelemt(i.find("{urn:mpeg:dash:schema:mpd:2011}SegmentTemplate"), filename, idnumber)
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streams[bitrate] = {"segments": segments, "files": files}
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return streams
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def dashparse(options, res, url):
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streams = {}
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if not res:
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return None
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if res.status_code >= 400:
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streams[0] = ServiceError("Can't read DASH playlist. {0}".format(res.status_code))
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return streams
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xml = ET.XML(res.text)
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temp = xml.findall('.//{urn:mpeg:dash:schema:mpd:2011}AdaptationSet[@mimeType="audio/mp4"]')
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audiofiles = adaptionset(temp, url)
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temp = xml.findall('.//{urn:mpeg:dash:schema:mpd:2011}AdaptationSet[@mimeType="video/mp4"]')
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videofiles = adaptionset(temp, url)
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for i in videofiles.keys():
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bitrate = (int(i) + int(list(audiofiles.keys())[0]))
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options.other = "mp4"
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options.segments = videofiles[i]["segments"]
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streams[int(bitrate)] = DASH(copy.copy(options), url, bitrate, cookies=res.cookies, audio=audiofiles[list(audiofiles.keys())[0]]["files"], files=videofiles[i]["files"])
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return streams
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class DASH(VideoRetriever):
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def name(self):
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return "dash"
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def download(self):
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if self.options.live and not self.options.force:
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raise LiveDASHException(self.url)
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if self.options.segments:
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if self.audio:
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self._download2(self.audio, audio=True)
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self._download2(self.files)
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else:
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if self.audio:
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self._download(self.audio, audio=True)
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self._download(self.url)
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def _download(self, url, audio=False):
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cookies = self.kwargs["cookies"]
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data = self.http.request("get", url, cookies=cookies, headers={'Range': 'bytes=0-8192'})
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try:
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total_size = data.headers['Content-Range']
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total_size = total_size[total_size.find("/")+1:]
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except KeyError:
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total_size = 0
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total_size = int(total_size)
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bytes_so_far = 8192
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if audio:
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file_d = output(copy.copy(self.options), "m4a")
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else:
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file_d = output(self.options, self.options.other)
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if hasattr(file_d, "read") is False:
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return
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file_d.write(data.content)
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eta = ETA(total_size)
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while bytes_so_far < total_size:
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old = bytes_so_far + 1
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bytes_so_far = old + 1000000
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if bytes_so_far > total_size:
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bytes_so_far = total_size
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bytes_range = "bytes=%s-%s" % (old, bytes_so_far)
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data = self.http.request("get", url, cookies=cookies, headers={'Range': bytes_range})
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file_d.write(data.content)
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if self.options.output != "-" and not self.options.silent:
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eta.update(old)
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progressbar(total_size, old, ''.join(["ETA: ", str(eta)]))
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if self.options.output != "-":
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file_d.close()
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progressbar(bytes_so_far, total_size, "ETA: complete")
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progress_stream.write('\n')
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self.finished = True
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def _download2(self, files, audio=False):
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cookies = self.kwargs["cookies"]
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if audio:
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file_d = output(copy.copy(self.options), "m4a")
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else:
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file_d = output(self.options, self.options.other)
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if hasattr(file_d, "read") is False:
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return
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eta = ETA(len(files))
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n = 1
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for i in files:
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if self.options.output != "-" and not self.options.silent:
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eta.increment()
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progressbar(len(files), n, ''.join(['ETA: ', str(eta)]))
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n += 1
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data = self.http.request("get", i, cookies=cookies)
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if data.status_code == 404:
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break
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data = data.content
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file_d.write(data)
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if self.options.output != "-":
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file_d.close()
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if not self.options.silent:
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progress_stream.write('\n')
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self.finished = True
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