Merge pull request #1154 from 344303947/features/add-function-calling

Fix the error caused by the client not passing temperature and top_p being empty

ktransformers/server/backend/interfaces/balance_serve.py

@@ -264,6 +264,7 @@ class BalanceServeInterface(BackendInterfaceBase):
     # thread_related
     last_request_id: Optional[str] = None
     ever_generated_ids: Set[int] = set()
+
     def __init__(self, args: ConfigArgs = default_args):
         self.args = args
         self.queue_map:dict[int,asyncio.Queue] = {}
@@ -282,7 +283,21 @@ class BalanceServeInterface(BackendInterfaceBase):
         p.start()
         processes.append(p)
         start_event.wait()
-        
+    
+    def get_sampling_params(self, temperature: Optional[float] = None, top_p: Optional[float] = None) -> tuple[float, float]:
+        """Get sampling parameters and handle default values and edge cases"""
+        if temperature is None:
+            temperature = Config().temperature
+        if top_p is None:
+            top_p = Config().top_p
+            
+        if temperature == 0:
+            temperature = 0.0001
+        if top_p == 0:
+            top_p = 0.0001
+            
+        return temperature, top_p
+
     def run_queue_proxy(self):
         loop = asyncio.new_event_loop()
         asyncio.set_event_loop(loop)
@@ -342,7 +357,6 @@ class BalanceServeInterface(BackendInterfaceBase):
         if isinstance(local_messages, List):
             input_ids = self.format_and_tokenize_input_ids(thread_id, local_messages)
         elif isinstance(local_messages, str):
-            #local_messages = local_messages[0]['content']
             input_ids = self.tokenize_prompt(local_messages)
         else:
             raise ValueError("local_messages should be List or str")
@@ -352,12 +366,9 @@ class BalanceServeInterface(BackendInterfaceBase):
                 [input_ids, token_thinks], dim=1
             )
 
-        
         profiler.pause_timer("tokenize")
 
         profiler.create_and_start_timer("prefill")
-
-        
         
         query_add = sched_ext.QueryAdd()
         query_add.query_token =  input_ids[0].tolist()
@@ -367,11 +378,10 @@ class BalanceServeInterface(BackendInterfaceBase):
         #@TODO add server
         stop_criteria =  [self.tokenizer.encode(self.tokenizer.eos_token, add_special_tokens=False),self.tokenizer.encode("<|im_end|>")]
         query_add.stop_criteria = stop_criteria
-        if temperature == 0:
-            temperature = 0.0001
+        
+        temperature, top_p = self.get_sampling_params(temperature, top_p)
+            
         query_add.sample_options.temperature = temperature
-        if top_p == 0:
-            top_p = 0.0001
         query_add.sample_options.top_p = top_p
         query_add.estimated_length = min(self.args.cache_lens, query_length+self.args.max_new_tokens)