Philipp Hagemeister
11 years ago
2 changed files with 116 additions and 104 deletions
Unified View
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@ -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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