Move MixCloud into its own file
Philipp Hagemeister
12 years ago
parent
9fd5ce0cbe
commit
80cbb6ddbb
@ -0,0 +1,115 @@
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import json
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import re
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import socket
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from .common import InfoExtractor
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from ..utils import (
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compat_http_client,
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compat_str,
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compat_urllib_error,
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compat_urllib_request,
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ExtractorError,
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)
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class MixcloudIE(InfoExtractor):
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_WORKING = False # New API, but it seems good http://www.mixcloud.com/developers/documentation/
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_VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([\w\d-]+)/([\w\d-]+)'
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IE_NAME = u'mixcloud'
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def report_download_json(self, file_id):
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"""Report JSON download."""
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self.to_screen(u'Downloading json')
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def get_urls(self, jsonData, fmt, bitrate='best'):
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"""Get urls from 'audio_formats' section in json"""
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try:
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bitrate_list = jsonData[fmt]
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if bitrate is None or bitrate == 'best' or bitrate not in bitrate_list:
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bitrate = max(bitrate_list) # select highest
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url_list = jsonData[fmt][bitrate]
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except TypeError: # we have no bitrate info.
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url_list = jsonData[fmt]
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return url_list
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def check_urls(self, url_list):
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"""Returns 1st active url from list"""
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for url in url_list:
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try:
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compat_urllib_request.urlopen(url)
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return url
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error):
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url = None
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return None
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def _print_formats(self, formats):
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print('Available formats:')
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for fmt in formats.keys():
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for b in formats[fmt]:
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try:
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ext = formats[fmt][b][0]
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print('%s\t%s\t[%s]' % (fmt, b, ext.split('.')[-1]))
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except TypeError: # we have no bitrate info
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ext = formats[fmt][0]
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print('%s\t%s\t[%s]' % (fmt, '??', ext.split('.')[-1]))
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break
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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if mobj is None:
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raise ExtractorError(u'Invalid URL: %s' % url)
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# extract uploader & filename from url
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uploader = mobj.group(1).decode('utf-8')
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file_id = uploader + "-" + mobj.group(2).decode('utf-8')
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# construct API request
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file_url = 'http://www.mixcloud.com/api/1/cloudcast/' + '/'.join(url.split('/')[-3:-1]) + '.json'
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# retrieve .json file with links to files
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request = compat_urllib_request.Request(file_url)
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try:
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self.report_download_json(file_url)
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jsonData = compat_urllib_request.urlopen(request).read()
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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raise ExtractorError(u'Unable to retrieve file: %s' % compat_str(err))
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# parse JSON
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json_data = json.loads(jsonData)
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player_url = json_data['player_swf_url']
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formats = dict(json_data['audio_formats'])
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req_format = self._downloader.params.get('format', None)
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if self._downloader.params.get('listformats', None):
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self._print_formats(formats)
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return
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if req_format is None or req_format == 'best':
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for format_param in formats.keys():
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url_list = self.get_urls(formats, format_param)
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# check urls
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file_url = self.check_urls(url_list)
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if file_url is not None:
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break # got it!
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else:
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if req_format not in formats:
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raise ExtractorError(u'Format is not available')
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url_list = self.get_urls(formats, req_format)
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file_url = self.check_urls(url_list)
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format_param = req_format
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return [{
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'id': file_id.decode('utf-8'),
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'url': file_url.decode('utf-8'),
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'uploader': uploader.decode('utf-8'),
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'upload_date': None,
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'title': json_data['name'],
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'ext': file_url.split('.')[-1].decode('utf-8'),
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'format': (format_param is None and u'NA' or format_param.decode('utf-8')),
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'thumbnail': json_data['thumbnail_url'],
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'description': json_data['description'],
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'player_url': player_url.decode('utf-8'),
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}]
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