Move MixCloud into its own file

1 files changed, 115 insertions, 0 deletions

diff --git a/youtube_dl/extractor/mixcloud.py b/youtube_dl/extractor/mixcloud.py
new file mode 100644
index 000000000..8245b5583
--- /dev/null
+++ b/youtube_dl/extractor/mixcloud.py
@@ -0,0 +1,115 @@
+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'),
+        }]