--- a/libervia/backend/plugins/plugin_misc_url_preview.py	Tue Jun 18 12:06:45 2024 +0200
+++ b/libervia/backend/plugins/plugin_misc_url_preview.py	Wed Jun 19 18:44:57 2024 +0200
@@ -109,8 +109,7 @@
 
         self.register("invidious", self.fetch_invidious_data, priority=-90)
         self.register_domain_protocol(
-            ["yewtu.be", "www.yewtu.be", "invidious.fdn.fr"],
-            "invidious"
+            ["yewtu.be", "www.yewtu.be", "invidious.fdn.fr"], "invidious"
         )
 
         # bridge methods
@@ -126,7 +125,9 @@
 
     # API
 
-    def _url_preview_get(self, url: str, options: str, profile_key: str) -> defer.Deferred:
+    def _url_preview_get(
+        self, url: str, options: str, profile_key: str
+    ) -> defer.Deferred:
         client = self.host.get_client(profile_key)
         d = defer.ensureDeferred(
             self.get_preview_data(client, url, data_format.deserialise(options))
@@ -190,7 +191,6 @@
                         log.warning(f"Can't clean html data: {e}\n{preview_data}")
                         del preview_data["html"]
 
-
         return preview_data
 
     @classmethod
@@ -305,15 +305,15 @@
         """
         oembed_url = f"https://www.youtube.com/oembed?url={parse.quote(url)}&format=json"
         data = await self._fetch_oembed_data(oembed_url)
-        if data is not None and 'html' in data:
-            html = data['html']
+        if data is not None and "html" in data:
+            html = data["html"]
             root = etree.HTML(html)
-            iframe_elt = root.xpath('//iframe')
+            iframe_elt = root.xpath("//iframe")
             if iframe_elt:
-                iframe_elt[0].attrib['style'] = (
-                    'position: absolute; top: 0; left: 0; width: 100%; height: 100%;'
-                )
-                data['html'] = etree.tostring(root, method='html', encoding='unicode')
+                iframe_elt[0].attrib[
+                    "style"
+                ] = "position: absolute; top: 0; left: 0; width: 100%; height: 100%;"
+                data["html"] = etree.tostring(root, method="html", encoding="unicode")
             else:
                 log.warning("No <iframe> found in the YouTube oEmbed response")
 
@@ -347,7 +347,6 @@
                 f"Failed to fetch preview for {url}, status code: {resp.code}"
             )
 
-
     async def fetch_generic_data(
         self, client: SatXMPPEntity, url: str, options: dict
     ) -> Optional[dict]:
@@ -430,9 +429,11 @@
                 "title": page.get("title"),
                 "description": page.get("extract"),
                 "url": url,
-                "image": page.get("thumbnail", {}).get("source")
-                if "thumbnail" in page
-                else None,
+                "image": (
+                    page.get("thumbnail", {}).get("source")
+                    if "thumbnail" in page
+                    else None
+                ),
             }
         else:
             raise PreviewFetchError(
@@ -441,7 +442,9 @@
 
     # Invidious
 
-    async def fetch_invidious_data(self, client: SatXMPPEntity, url: str, options: dict) -> Optional[dict]:
+    async def fetch_invidious_data(
+        self, client: SatXMPPEntity, url: str, options: dict
+    ) -> Optional[dict]:
         """
         Fetch Invidious data from a url and generate HTML iframe.
 
@@ -450,10 +453,10 @@
         @return: A dictionary containing the Invidious data or None if no data could be fetched.
         """
         parsed_url = parse.urlparse(url)
-        if 'watch' in parsed_url.path:
-            video_id = parse.parse_qs(parsed_url.query).get('v', [None])[0]
+        if "watch" in parsed_url.path:
+            video_id = parse.parse_qs(parsed_url.query).get("v", [None])[0]
         else:
-            video_id = parsed_url.path.strip('/')
+            video_id = parsed_url.path.strip("/")
         if not video_id:
             log.warning(f"Can't extract video ID from {url}")
             return None
@@ -465,25 +468,25 @@
             video_data = await resp.json()
             # construct the iframe html code
             html = (
-                f'<iframe'
+                f"<iframe"
                 f'    width="100%"'
                 f'    height="auto"'
                 f'    src="https://{parsed_url.netloc}/embed/{video_id}"'
                 f'    frameborder="0" '
                 f'    allow="'
-                f'        accelerometer;'
-                f'        autoplay;'
-                f'        clipboard-write;'
-                f'        encrypted-media;'
-                f'        gyroscope;'
+                f"        accelerometer;"
+                f"        autoplay;"
+                f"        clipboard-write;"
+                f"        encrypted-media;"
+                f"        gyroscope;"
                 f'        picture-in-picture"'
                 f'    style="'
-                f'        position: absolute;'
-                f'        top: 0;'
-                f'        left: 0;'
-                f'        width: 100%;'
+                f"        position: absolute;"
+                f"        top: 0;"
+                f"        left: 0;"
+                f"        width: 100%;"
                 f'        height: 100%;"'
-                f'    allowfullscreen></iframe>'
+                f"    allowfullscreen></iframe>"
             )
             # structure the data to be returned
             data = {