import json from typing import Any, Dict, Optional from pyoembed import PyOembedException, oEmbed def get_oembed_data(url: str, maxwidth: int=640, maxheight: int=480) -> Optional[Dict[str, Any]]: try: data = oEmbed(url, maxwidth=maxwidth, maxheight=maxheight) except (PyOembedException, json.decoder.JSONDecodeError): return None oembed_resource_type = data.get('type', '') image = data.get('url', data.get('image')) thumbnail = data.get('thumbnail_url') html = data.pop('html', '') if oembed_resource_type == 'photo' and image: return dict( oembed=True, image=image, type=oembed_resource_type, title=data.get('title'), description=data.get('description'), ) if oembed_resource_type == 'video' and html and thumbnail: return dict( oembed=True, image=thumbnail, type=oembed_resource_type, html=strip_cdata(html), title=data.get('title'), description=data.get('description'), ) # Otherwise, start with just the embed type. return dict( type=oembed_resource_type, title=data.get('title'), description=data.get('description'), ) def strip_cdata(html: str) -> str: # Work around a bug in SoundCloud's XML generation: # <![CDATA[<iframe ...></iframe>]]> if html.startswith(''): html = html[9:-3] return html