Update helper.py

g4f/client/helper.py

@@ -13,4 +13,21 @@ def read_json(text: str) -> dict:
     match = re.search(r"```(json|)\n(?P<code>[\S\s]+?)\n```", text)
     if match:
         return match.group("code")
-    return text
+    return text
+
+def find_stop(stop, content: str, chunk: str):
+    first = -1
+    word = None
+    if stop is not None:
+        for word in list(stop):
+            first = content.find(word)
+            if first != -1:
+                content = content[:first]
+                break
+        if stream and first != -1:
+            first = chunk.find(word)
+            if first != -1:
+                chunk = chunk[:first]
+            else:
+                first = 0
+    return first, content, chunk