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