[twitter] support 'grok' cards content (#7040)

gallery_dl/extractor/twitter.py

@@ -234,6 +234,13 @@ class TwitterExtractor(Extractor):
         for fmt in self._size_fallback:
             yield base + fmt
 
+    def _extract_components(self, tweet, data, files):
+        for component_id in data["components"]:
+            com = data["component_objects"][component_id]
+            for conv in com["data"]["conversation_preview"]:
+                for url in conv.get("mediaUrls") or ():
+                    files.append({"url": url})
+
     def _extract_card(self, tweet, files):
         card = tweet["card"]
         if "legacy" in card:
@@ -272,7 +279,11 @@ class TwitterExtractor(Extractor):
                             return
         elif name == "unified_card":
             data = util.json_loads(bvals["unified_card"]["string_value"])
-            self._extract_media(tweet, data["media_entities"].values(), files)
+            if "media_entities" in data:
+                self._extract_media(
+                    tweet, data["media_entities"].values(), files)
+            if "component_objects" in data:
+                self._extract_components(tweet, data, files)
             return
 
         if self.cards == "ytdl":

test/results/twitter.py

@@ -642,6 +642,15 @@ The Washington Post writes, "Three weeks after the toxic train derailment in Ohi
     "#count"   : 0,
 },
 
+{
+    "#url"     : "https://x.com/fw_rion_/status/1866737025824829544",
+    "#comment" : "grok share (#7040)",
+    "#category": ("", "twitter", "tweet"),
+    "#class"   : twitter.TwitterTweetExtractor,
+    "#options" : {"cards": True},
+    "#urls"    : "https://pbs.twimg.com/grok-img-share/1866736156786008064.jpg",
+},
+
 {
     "#url"     : "https://twitter.com/playpokemon/status/1263832915173048321/quotes",
     "#category": ("", "twitter", "quotes"),