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[zdf/common] Use API in ZDF extractor. 

This also comes with a lot of extra format fields
Fixes #1518
pull/1807/merge
Philipp Hagemeister 2013-11-25 03:12:26 +01:00
parent 1fb2bcbbf7
commit 02dbf93f0e
5 changed files with 112 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
youtube_dl/FileDownloader.py
View File

@ -1,4 +1,3 @@
import math
import os
import re
import subprocess
@ -11,6 +10,7 @@ from .utils import (
ContentTooShortError,
determine_ext,
encodeFilename,
format_bytes,
sanitize_open,
timeconvert,
)
@ -53,20 +53,6 @@ class FileDownloader(object):
self._progress_hooks = []
self.params = params
@staticmethod
def format_bytes(bytes):
if bytes is None:
return 'N/A'
if type(bytes) is str:
bytes = float(bytes)
if bytes == 0.0:
exponent = 0
else:
exponent = int(math.log(bytes, 1024.0))
suffix = ['B','KiB','MiB','GiB','TiB','PiB','EiB','ZiB','YiB'][exponent]
converted = float(bytes) / float(1024 ** exponent)
return '%.2f%s' % (converted, suffix)
@staticmethod
def format_seconds(seconds):
(mins, secs) = divmod(seconds, 60)
@ -117,7 +103,7 @@ class FileDownloader(object):
def format_speed(speed):
if speed is None:
return '%10s' % '---b/s'
return '%10s' % ('%s/s' % FileDownloader.format_bytes(speed))
return '%10s' % ('%s/s' % format_bytes(speed))
@staticmethod
def best_block_size(elapsed_time, bytes):
@ -525,7 +511,7 @@ class FileDownloader(object):
self.to_screen(u'\r[download] File is larger than max-filesize (%s bytes > %s bytes). Aborting.' % (data_len, max_data_len))
return False
data_len_str = self.format_bytes(data_len)
data_len_str = format_bytes(data_len)
byte_counter = 0 + resume_len
block_size = self.params.get('buffersize', 1024)
start = time.time()

24
youtube_dl/YoutubeDL.py
View File

@ -30,6 +30,7 @@ from .utils import (
DownloadError,
encodeFilename,
ExtractorError,
format_bytes,
locked_file,
MaxDownloadsReached,
PostProcessingError,
@ -867,9 +868,11 @@ class YoutubeDL(object):
def list_formats(self, info_dict):
def format_note(fdict):
if fdict.get('format_note') is not None:
return fdict['format_note']
res = u''
if fdict.get('format_note') is not None:
res += fdict['format_note'] + u' '
if fdict.get('quality_name') is not None:
res += u'%s ' % fdict['quality_name']
if fdict.get('vcodec') is not None:
res += u'%-5s' % fdict['vcodec']
elif fdict.get('vbr') is not None:
@ -886,25 +889,30 @@ class YoutubeDL(object):
res += 'audio'
if fdict.get('abr') is not None:
res += u'@%3dk' % fdict['abr']
if fdict.get('filesize') is not None:
if res:
res += u', '
res += format_bytes(fdict['filesize'])
return res
def line(format):
return (u'%-20s%-10s%-12s%s' % (
def line(format, idlen=20):
return ((u'%-' + compat_str(idlen + 1) + u's%-10s%-12s%s') % (
format['format_id'],
format['ext'],
self.format_resolution(format),
format_note(format),
)
)
))
formats = info_dict.get('formats', [info_dict])
formats_s = list(map(line, formats))
idlen = max(len(u'format code'),
max(len(f['format_id']) for f in formats))
formats_s = [line(f, idlen) for f in formats]
if len(formats) > 1:
formats_s[0] += (' ' if format_note(formats[0]) else '') + '(worst)'
formats_s[-1] += (' ' if format_note(formats[-1]) else '') + '(best)'
header_line = line({
'format_id': u'format code', 'ext': u'extension',
'_resolution': u'resolution', 'format_note': u'note'})
'_resolution': u'resolution', 'format_note': u'note'}, idlen=idlen)
self.to_screen(u'[info] Available formats for %s:\n%s\n%s' %
(info_dict['id'], header_line, u"\n".join(formats_s)))

2
youtube_dl/extractor/common.py
View File

@ -76,6 +76,8 @@ class InfoExtractor(object):
* acodec Name of the audio codec in use
* vbr Average video bitrate in KBit/s
* vcodec Name of the video codec in use
* quality_name Human-readable name of the video quality.
* filesize The number of bytes, if known in advance
webpage_url: The url to the video webpage, if given to youtube-dl it
should allow to get the same result again. (It will be set
by YoutubeDL if it's missing)

115
youtube_dl/extractor/zdf.py
View File

@ -1,75 +1,100 @@
import operator
import re
from .common import InfoExtractor
from ..utils import (
determine_ext,
ExtractorError,
parse_xml_doc,
unified_strdate,
)
class ZDFIE(InfoExtractor):
_VALID_URL = r'^http://www\.zdf\.de\/ZDFmediathek(?P<hash>#)?\/(.*beitrag\/video\/)(?P<video_id>[^/\?]+)(?:\?.*)?'
_MEDIA_STREAM = r'<a href="(?P<video_url>.+(?P<media_type>.streaming).+/zdf/(?P<quality>[^\/]+)/[^"]*)".+class="play".+>'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
video_id = mobj.group('video_id')
if mobj.group('hash'):
url = url.replace(u'#', u'', 1)
xml_url = u'http://www.zdf.de/ZDFmediathek/xmlservice/web/beitragsDetails?ak=web&id=%s' % video_id
info_xml = self._download_webpage(
xml_url, video_id, note=u'Downloading video info')
doc = parse_xml_doc(info_xml)
html = self._download_webpage(url, video_id)
streams = [m.groupdict() for m in re.finditer(self._MEDIA_STREAM, html)]
if streams is None:
raise ExtractorError(u'No media url found.')
title = doc.find('.//information/title').text
description = doc.find('.//information/detail').text
uploader_node = doc.find('.//details/originChannelTitle')
uploader = None if uploader_node is None else uploader_node.text
duration_str = doc.find('.//details/length').text
duration_m = re.match(r'''(?x)^
(?P<hours>[0-9]{2})
:(?P<minutes>[0-9]{2})
:(?P<seconds>[0-9]{2})
(?:\.(?P<ms>[0-9]+)?)
''', duration_str)
duration = (
(
(int(duration_m.group('hours')) * 60 * 60) +
(int(duration_m.group('minutes')) * 60) +
int(duration_m.group('seconds'))
)
if duration_m
else None
)
upload_date = unified_strdate(doc.find('.//details/airtime').text)
# s['media_type'] == 'wstreaming' -> use 'Windows Media Player' and mms url
# s['media_type'] == 'hstreaming' -> use 'Quicktime' and rtsp url
# choose first/default media type and highest quality for now
def stream_pref(s):
TYPE_ORDER = ['ostreaming', 'hstreaming', 'wstreaming']
def xml_to_format(fnode):
video_url = fnode.find('url').text
is_available = u'http://www.metafilegenerator' not in video_url
format_id = fnode.attrib['basetype']
format_m = re.match(r'''(?x)
(?P<vcodec>[^_]+)_(?P<acodec>[^_]+)_(?P<container>[^_]+)_
(?P<proto>[^_]+)_(?P<index>[^_]+)_(?P<indexproto>[^_]+)
''', format_id)
PROTO_ORDER = ['http', 'rtmp', 'rtsp']
try:
type_pref = TYPE_ORDER.index(s['media_type'])
proto_pref = -PROTO_ORDER.index(format_m.group('proto'))
except ValueError:
type_pref = 999
proto_pref = 999
QUALITY_ORDER = ['veryhigh', '300']
quality = fnode.find('./quality').text
QUALITY_ORDER = ['veryhigh', '300', 'high', 'med', 'low']
try:
quality_pref = QUALITY_ORDER.index(s['quality'])
quality_pref = -QUALITY_ORDER.index(quality)
except ValueError:
quality_pref = 999
return (type_pref, quality_pref)
abr = int(fnode.find('./audioBitrate').text) // 1000
vbr = int(fnode.find('./videoBitrate').text) // 1000
pref = (is_available, proto_pref, quality_pref, vbr, abr)
sorted_streams = sorted(streams, key=stream_pref)
if not sorted_streams:
raise ExtractorError(u'No stream found.')
stream = sorted_streams[0]
return {
'format_id': format_id,
'url': video_url,
'ext': format_m.group('container'),
'acodec': format_m.group('acodec'),
'vcodec': format_m.group('vcodec'),
'abr': abr,
'vbr': vbr,
'width': int(fnode.find('./width').text),
'height': int(fnode.find('./height').text),
'quality_name': quality,
'filesize': int(fnode.find('./filesize').text),
'format_note': None if is_available else u'(unavailable)',
'_pref': pref,
}
media_link = self._download_webpage(
stream['video_url'],
video_id,
u'Get stream URL')
#MMS_STREAM = r'href="(?P<video_url>mms://[^"]*)"'
RTSP_STREAM = r'(?P<video_url>rtsp://[^"]*.mp4)'
mobj = re.search(self._MEDIA_STREAM, media_link)
if mobj is None:
mobj = re.search(RTSP_STREAM, media_link)
if mobj is None:
raise ExtractorError(u'Cannot extract mms:// or rtsp:// URL')
video_url = mobj.group('video_url')
title = self._html_search_regex(
r'<h1(?: class="beitragHeadline")?>(.*?)</h1>',
html, u'title')
format_nodes = doc.findall('.//formitaeten/formitaet')
formats = sorted(map(xml_to_format, format_nodes),
key=operator.itemgetter('_pref'))
return {
'id': video_id,
'url': video_url,
'title': title,
'ext': determine_ext(video_url)
'formats': formats,
'description': description,
'uploader': uploader,
'duration': duration,
'upload_date': upload_date,
}

21
youtube_dl/utils.py
View File

@ -8,6 +8,7 @@ import gzip
import io
import json
import locale
import math
import os
import pipes
import platform
@ -16,6 +17,7 @@ import ssl
import socket
import sys
import traceback
import xml.etree.ElementTree
import zlib
try:
@ -1006,3 +1008,22 @@ def unsmuggle_url(smug_url):
jsond = compat_parse_qs(sdata)[u'__youtubedl_smuggle'][0]
data = json.loads(jsond)
return url, data
def parse_xml_doc(s):
assert isinstance(s, type(u''))
return xml.etree.ElementTree.fromstring(s.encode('utf-8'))
def format_bytes(bytes):
if bytes is None:
return u'N/A'
if type(bytes) is str:
bytes = float(bytes)
if bytes == 0.0:
exponent = 0
else:
exponent = int(math.log(bytes, 1024.0))
suffix = [u'B', u'KiB', u'MiB', u'GiB', u'TiB', u'PiB', u'EiB', u'ZiB', u'YiB'][exponent]
converted = float(bytes) / float(1024 ** exponent)
return u'%.2f%s' % (converted, suffix)