Update

httplib/retriever.py

@@ -44,25 +44,36 @@ class Retriever(ABC):
 
 class PreambleRetriever(Retriever):
     client: HTTPSocket
-    buffer: []
+    _buffer: []
+
+    @property
+    def buffer(self):
+        tmp_buffer = self._buffer
+        self._buffer = []
+
+        return tmp_buffer
 
     def __init__(self, client: HTTPSocket):
         super().__init__(client)
         self.client = client
-        self.buffer = []
+        self._buffer = []
 
     def retrieve(self):
 
         line = self.client.read_line()
         while True:
-            self.buffer.append(line)
+            self._buffer.append(line)
 
             if line in ("\r\n", "\n", ""):
-                break
+                return line
 
             yield line
             line = self.client.read_line()
 
+    def reset_buffer(self, line):
+        self._buffer.clear()
+        self._buffer.append(line)
+
 
 class ContentLengthRetriever(Retriever):
     length: int