Merge pull request #6854 from oobabooga/dev

Merge dev branch

modules/llama_cpp_server.py

@@ -24,6 +24,7 @@ class LlamaServer:
         self.server_path = server_path
         self.port = self._find_available_port()
         self.process = None
+        self.session = requests.Session()
         self.vocabulary_size = None
         self.bos_token = "<s>"
 
@@ -40,7 +41,7 @@ class LlamaServer:
             "add_special": add_bos_token,
         }
 
-        response = requests.post(url, json=payload)
+        response = self.session.post(url, json=payload)
         result = response.json()
         return result.get("tokens", [])
 
@@ -50,7 +51,7 @@ class LlamaServer:
             "tokens": token_ids,
         }
 
-        response = requests.post(url, json=payload)
+        response = self.session.post(url, json=payload)
         result = response.json()
         return result.get("content", "")
 
@@ -139,42 +140,41 @@ class LlamaServer:
             pprint.PrettyPrinter(indent=4, sort_dicts=False).pprint(printable_payload)
             print()
 
-        # Make a direct request with streaming enabled
-        response = requests.post(url, json=payload, stream=True)
-        response.raise_for_status()  # Raise an exception for HTTP errors
+        # Make a direct request with streaming enabled using a context manager
+        with self.session.post(url, json=payload, stream=True) as response:
+            response.raise_for_status()  # Raise an exception for HTTP errors
 
-        full_text = ""
+            full_text = ""
 
-        # Process the streaming response
-        for line in response.iter_lines():
-            if shared.stop_everything:
-                break
+            # Process the streaming response
+            for line in response.iter_lines(decode_unicode=True):
+                if shared.stop_everything:
+                    break
 
-            if line:
-                try:
-                    # Check if the line starts with "data: " and remove it
-                    line_str = line.decode('utf-8')
-                    if line_str.startswith('data: '):
-                        line_str = line_str[6:]  # Remove the "data: " prefix
+                if line:
+                    try:
+                        # Check if the line starts with "data: " and remove it
+                        if line.startswith('data: '):
+                            line = line[6:]  # Remove the "data: " prefix
 
-                    # Parse the JSON data
-                    data = json.loads(line_str)
+                        # Parse the JSON data
+                        data = json.loads(line)
 
-                    # Extract the token content
-                    if 'content' in data:
-                        token_text = data['content']
-                        full_text += token_text
-                        yield full_text
+                        # Extract the token content
+                        if 'content' in data:
+                            token_text = data['content']
+                            full_text += token_text
+                            yield full_text
 
-                    # Check if generation is complete
-                    if data.get('stop', False):
-                        break
+                        # Check if generation is complete
+                        if data.get('stop', False):
+                            break
 
-                except json.JSONDecodeError as e:
-                    # Log the error and the problematic line
-                    print(f"JSON decode error: {e}")
-                    print(f"Problematic line: {line}")
-                    continue
+                    except json.JSONDecodeError as e:
+                        # Log the error and the problematic line
+                        print(f"JSON decode error: {e}")
+                        print(f"Problematic line: {line}")
+                        continue
 
     def generate(self, prompt, state):
         output = ""
@@ -203,7 +203,7 @@ class LlamaServer:
             pprint.PrettyPrinter(indent=4, sort_dicts=False).pprint(printable_payload)
             print()
 
-        response = requests.post(url, json=payload)
+        response = self.session.post(url, json=payload)
         result = response.json()
 
         if "completion_probabilities" in result:
@@ -217,7 +217,7 @@ class LlamaServer:
     def _get_vocabulary_size(self):
         """Get and store the model's maximum context length."""
         url = f"http://localhost:{self.port}/v1/models"
-        response = requests.get(url).json()
+        response = self.session.get(url).json()
 
         if "data" in response and len(response["data"]) > 0:
             model_info = response["data"][0]
@@ -227,7 +227,7 @@ class LlamaServer:
     def _get_bos_token(self):
         """Get and store the model's BOS token."""
         url = f"http://localhost:{self.port}/props"
-        response = requests.get(url).json()
+        response = self.session.get(url).json()
         if "bos_token" in response:
             self.bos_token = response["bos_token"]
 
@@ -309,7 +309,7 @@ class LlamaServer:
                 raise RuntimeError(f"Server process terminated unexpectedly with exit code: {exit_code}")
 
             try:
-                response = requests.get(health_url)
+                response = self.session.get(health_url)
                 if response.status_code == 200:
                     break
             except: