mirror of
https://github.com/spaam/svtplay-dl.git
synced 2024-12-02 16:14:15 +01:00
316 lines
11 KiB
Python
316 lines
11 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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import copy
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import math
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import os
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import re
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import time
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import xml.etree.ElementTree as ET
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from datetime import datetime
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from urllib.parse import urljoin
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from svtplay_dl.error import ServiceError
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from svtplay_dl.error import UIException
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from svtplay_dl.fetcher import VideoRetriever
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from svtplay_dl.utils.output import ETA
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from svtplay_dl.utils.output import output
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from svtplay_dl.utils.output import progress_stream
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from svtplay_dl.utils.output import progressbar
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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().__init__(message)
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class LiveDASHException(DASHException):
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def __init__(self, url):
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super().__init__(url, "This is a live DASH stream, and they are not supported.")
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class DASHattibutes:
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def __init__(self):
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self.default = {}
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def set(self, key, value):
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self.default[key] = value
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def get(self, key):
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if key in self.default:
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return self.default[key]
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return 0
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def templateelemt(attributes, 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 = 1
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if "timescale" in element.attrib:
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attributes.set("timescale", float(element.attrib["timescale"]))
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else:
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attributes.set("timescale", 1)
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if "duration" in element.attrib:
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attributes.set("duration", float(element.attrib["duration"]))
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segments = []
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timeline = element.findall("{urn:mpeg:dash:schema:mpd:2011}SegmentTimeline/{urn:mpeg:dash:schema:mpd:2011}S")
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if timeline:
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t = -1
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for s in timeline:
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duration = int(s.attrib["d"])
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repeat = int(s.attrib["r"]) if "r" in s.attrib else 0
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segmenttime = int(s.attrib["t"]) if "t" in s.attrib else 0
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if t < 0:
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t = segmenttime
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count = repeat + 1
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end = start + len(segments) + count
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number = start + len(segments)
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while number < end:
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segments.append({"number": number, "duration": math.ceil(duration / attributes.get("timescale")), "time": t})
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t += duration
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number += 1
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else: # Saw this on dynamic live content
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start = 0
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now = time.time()
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periodStartWC = time.mktime(attributes.get("availabilityStartTime").timetuple()) + start
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periodEndWC = now + attributes.get("minimumUpdatePeriod")
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periodDuration = periodEndWC - periodStartWC
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segmentCount = math.ceil(periodDuration * attributes.get("timescale") / attributes.get("duration"))
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availableStart = math.floor(
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(now - periodStartWC - attributes.get("timeShiftBufferDepth")) * attributes.get("timescale") / attributes.get("duration")
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)
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availableEnd = math.floor((now - periodStartWC) * attributes.get("timescale") / attributes.get("duration"))
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start = max(0, availableStart)
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end = min(segmentCount, availableEnd)
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for number in range(start, end):
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segments.append({"number": number, "duration": int(attributes.get("duration") / attributes.get("timescale"))})
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name = media.replace("$RepresentationID$", idnumber).replace("$Bandwidth$", attributes.get("bandwidth"))
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files.append(urljoin(filename, init.replace("$RepresentationID$", idnumber).replace("$Bandwidth$", attributes.get("bandwidth"))))
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for segment in segments:
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if "$Time$" in media:
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new = name.replace("$Time$", str(segment["time"]))
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if "$Number" in name:
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if re.search(r"\$Number(\%\d+)d\$", name):
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vname = name.replace("$Number", "").replace("$", "")
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new = vname % segment["number"]
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else:
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new = name.replace("$Number$", str(segment["number"]))
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files.append(urljoin(filename, new))
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return files
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def adaptionset(attributes, 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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codecs = None
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if "codecs" in element[0].attrib:
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codecs = element[0].attrib["codecs"]
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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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attributes.set("bandwidth", i.attrib["bandwidth"])
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bitrate = int(i.attrib["bandwidth"]) / 1000
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idnumber = i.attrib["id"]
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channels = None
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codec = None
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if codecs is None and "codecs" in i.attrib:
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codecs = i.attrib["codecs"]
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if codecs[:3] == "avc":
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codec = "h264"
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if codecs[:3] == "hvc":
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codec = "hevc"
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if i.find("{urn:mpeg:dash:schema:mpd:2011}AudioChannelConfiguration") is not None:
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chan = i.find("{urn:mpeg:dash:schema:mpd:2011}AudioChannelConfiguration").attrib["value"]
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if chan == "6":
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channels = "51"
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else:
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channels = None
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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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segments = True
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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(attributes, template, filename, idnumber)
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elif i.find("{urn:mpeg:dash:schema:mpd:2011}SegmentTemplate") is not None:
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segments = True
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files = templateelemt(attributes, i.find("{urn:mpeg:dash:schema:mpd:2011}SegmentTemplate"), filename, idnumber)
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if files:
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streams[bitrate] = {"segments": segments, "files": files, "codecs": codec, "channels": channels}
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return streams
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def dashparse(config, res, url, **kwargs):
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streams = {}
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if not res:
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return streams
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if res.status_code >= 400:
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streams[0] = ServiceError("Can't read DASH playlist. {}".format(res.status_code))
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return streams
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if len(res.text) < 1:
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streams[0] = ServiceError("Can't read DASH playlist. {}, size: {}".format(res.status_code, len(res.text)))
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return streams
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return _dashparse(config, res.text, url, res.cookies, **kwargs)
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def _dashparse(config, text, url, cookies, **kwargs):
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streams = {}
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baseurl = None
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output = kwargs.pop("output", None)
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attributes = DASHattibutes()
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xml = ET.XML(text)
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if xml.find("./{urn:mpeg:dash:schema:mpd:2011}BaseURL") is not None:
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baseurl = xml.find("./{urn:mpeg:dash:schema:mpd:2011}BaseURL").text
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if "availabilityStartTime" in xml.attrib:
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attributes.set("availabilityStartTime", parse_dates(xml.attrib["availabilityStartTime"]))
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attributes.set("publishTime", parse_dates(xml.attrib["publishTime"]))
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if "mediaPresentationDuration" in xml.attrib:
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attributes.set("mediaPresentationDuration", parse_duration(xml.attrib["mediaPresentationDuration"]))
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if "timeShiftBufferDepth" in xml.attrib:
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attributes.set("timeShiftBufferDepth", parse_duration(xml.attrib["timeShiftBufferDepth"]))
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if "minimumUpdatePeriod" in xml.attrib:
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attributes.set("minimumUpdatePeriod", parse_duration(xml.attrib["minimumUpdatePeriod"]))
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attributes.set("type", xml.attrib["type"])
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temp = xml.findall('.//{urn:mpeg:dash:schema:mpd:2011}AdaptationSet[@mimeType="audio/mp4"]')
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if len(temp) == 0:
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temp = xml.findall('.//{urn:mpeg:dash:schema:mpd:2011}AdaptationSet[@contentType="audio"]')
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audiofiles = adaptionset(attributes, temp, url, baseurl)
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temp = xml.findall('.//{urn:mpeg:dash:schema:mpd:2011}AdaptationSet[@mimeType="video/mp4"]')
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if len(temp) == 0:
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temp = xml.findall('.//{urn:mpeg:dash:schema:mpd:2011}AdaptationSet[@contentType="video"]')
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videofiles = adaptionset(attributes, temp, url, baseurl)
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if not audiofiles or not videofiles:
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streams[0] = ServiceError("Found no Audiofiles or Videofiles to download.")
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return streams
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if "channels" in kwargs:
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kwargs.pop("channels")
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if "codec" in kwargs:
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kwargs.pop("codec")
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for i in videofiles.keys():
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bitrate = i + list(audiofiles.keys())[0]
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streams[bitrate] = DASH(
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copy.copy(config),
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url,
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bitrate,
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cookies=cookies,
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audio=audiofiles[list(audiofiles.keys())[0]]["files"],
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files=videofiles[i]["files"],
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output=output,
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segments=videofiles[i]["segments"],
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codec=videofiles[i]["codecs"],
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channels=audiofiles[list(audiofiles.keys())[0]]["channels"],
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**kwargs,
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)
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return streams
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def parse_duration(duration):
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match = re.search(r"P(?:(\d*)Y)?(?:(\d*)M)?(?:(\d*)D)?(?:T(?:(\d*)H)?(?:(\d*)M)?(?:([\d.]*)S)?)?", duration)
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if not match:
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return 0
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year = int(match.group(1)) * 365 * 24 * 60 * 60 if match.group(1) else 0
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month = int(match.group(2)) * 30 * 24 * 60 * 60 if match.group(2) else 0
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day = int(match.group(3)) * 24 * 60 * 60 if match.group(3) else 0
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hour = int(match.group(4)) * 60 * 60 if match.group(4) else 0
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minute = int(match.group(5)) * 60 if match.group(5) else 0
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second = float(match.group(6)) if match.group(6) else 0
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return year + month + day + hour + minute + second
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def parse_dates(date_str):
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date_patterns = ["%Y-%m-%dT%H:%M:%S.%fZ", "%Y-%m-%dT%H:%M:%S", "%Y-%m-%dT%H:%M:%SZ"]
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dt = None
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for pattern in date_patterns:
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try:
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dt = datetime.strptime(date_str, pattern)
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break
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except Exception:
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pass
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if not dt:
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raise ValueError("Can't parse date format: {}".format(date_str))
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return dt
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class DASH(VideoRetriever):
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@property
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def name(self):
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return "dash"
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def download(self):
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self.output_extention = "mp4"
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if self.config.get("live") and not self.config.get("force"):
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raise LiveDASHException(self.url)
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if self.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_url(self.audio, audio=True)
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self._download_url(self.url)
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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.output), self.config, extension="m4a")
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else:
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file_d = output(self.output, self.config, extension="mp4")
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if file_d is None:
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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 not self.config.get("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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file_d.close()
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if not self.config.get("silent"):
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progress_stream.write("\n")
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self.finished = True
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