bugfix: pydantic v2 fields

llama_cpp/server/app.py

@@ -31,9 +31,7 @@ class Settings(BaseSettings):
         ge=0,
         description="The number of layers to put on the GPU. The rest will be on the CPU.",
     )
-    seed: int = Field(
+    seed: int = Field(default=1337, description="Random seed. -1 for random.")
-        default=1337, description="Random seed. -1 for random."
-    )
     n_batch: int = Field(
         default=512, ge=1, description="The batch size to use per eval."
     )
@@ -80,12 +78,8 @@ class Settings(BaseSettings):
     verbose: bool = Field(
         default=True, description="Whether to print debug information."
     )
-    host: str = Field(
+    host: str = Field(default="localhost", description="Listen address")
-        default="localhost", description="Listen address"
+    port: int = Field(default=8000, description="Listen port")
-    )
-    port: int = Field(
-        default=8000, description="Listen port"
-    )
     interrupt_requests: bool = Field(
         default=True,
         description="Whether to interrupt requests when a new request is received.",
@@ -178,7 +172,7 @@ def get_settings():
     yield settings
 
 
-model_field = Field(description="The model to use for generating completions.")
+model_field = Field(description="The model to use for generating completions.", default=None)
 
 max_tokens_field = Field(
     default=16, ge=1, le=2048, description="The maximum number of tokens to generate."
@@ -242,21 +236,18 @@ mirostat_mode_field = Field(
     default=0,
     ge=0,
     le=2,
-    description="Enable Mirostat constant-perplexity algorithm of the specified version (1 or 2; 0 = disabled)"
+    description="Enable Mirostat constant-perplexity algorithm of the specified version (1 or 2; 0 = disabled)",
 )
 
 mirostat_tau_field = Field(
     default=5.0,
     ge=0.0,
     le=10.0,
-    description="Mirostat target entropy, i.e. the target perplexity - lower values produce focused and coherent text, larger values produce more diverse and less coherent text"
+    description="Mirostat target entropy, i.e. the target perplexity - lower values produce focused and coherent text, larger values produce more diverse and less coherent text",
 )
 
 mirostat_eta_field = Field(
-    default=0.1,
+    default=0.1, ge=0.001, le=1.0, description="Mirostat learning rate"
-    ge=0.001,
-    le=1.0,
-    description="Mirostat learning rate"
 )
 
 
@@ -294,22 +285,23 @@ class CreateCompletionRequest(BaseModel):
     model: Optional[str] = model_field
     n: Optional[int] = 1
     best_of: Optional[int] = 1
-    user: Optional[str] = Field(None)
+    user: Optional[str] = Field(default=None)
 
     # llama.cpp specific parameters
     top_k: int = top_k_field
     repeat_penalty: float = repeat_penalty_field
     logit_bias_type: Optional[Literal["input_ids", "tokens"]] = Field(None)
 
-    class Config:
+    model_config = {
-        schema_extra = {
+        "json_schema_extra": {
-            "example": {
+            "examples": [
+                {
                     "prompt": "\n\n### Instructions:\nWhat is the capital of France?\n\n### Response:\n",
                     "stop": ["\n", "###"],
                 }
+            ]
+        }
     }
-
-
 
 
 def make_logit_bias_processor(
@@ -328,7 +320,7 @@ def make_logit_bias_processor(
 
     elif logit_bias_type == "tokens":
         for token, score in logit_bias.items():
-            token = token.encode('utf-8')
+            token = token.encode("utf-8")
             for input_id in llama.tokenize(token, add_bos=False):
                 to_bias[input_id] = score
 
@@ -352,7 +344,7 @@ async def create_completion(
     request: Request,
     body: CreateCompletionRequest,
     llama: llama_cpp.Llama = Depends(get_llama),
-):
+) -> llama_cpp.Completion:
     if isinstance(body.prompt, list):
         assert len(body.prompt) <= 1
         body.prompt = body.prompt[0] if len(body.prompt) > 0 else ""
@@ -364,7 +356,7 @@ async def create_completion(
         "logit_bias_type",
         "user",
     }
-    kwargs = body.dict(exclude=exclude)
+    kwargs = body.model_dump(exclude=exclude)
 
     if body.logit_bias is not None:
         kwargs['logits_processor'] = llama_cpp.LogitsProcessorList([
@@ -396,7 +388,7 @@ async def create_completion(
 
         return EventSourceResponse(
             recv_chan, data_sender_callable=partial(event_publisher, send_chan)
-        )
+        ) # type: ignore
     else:
         completion: llama_cpp.Completion = await run_in_threadpool(llama, **kwargs)  # type: ignore
         return completion
@@ -405,16 +397,17 @@ async def create_completion(
 class CreateEmbeddingRequest(BaseModel):
     model: Optional[str] = model_field
     input: Union[str, List[str]] = Field(description="The input to embed.")
-    user: Optional[str]
+    user: Optional[str] = Field(default=None)
 
-    class Config:
+    model_config = {
-        schema_extra = {
+        "json_schema_extra": {
-            "example": {
+            "examples": [
+                {
                     "input": "The food was delicious and the waiter...",
                 }
+            ]
+        }
     }
-
-
 
 
 @router.post(
@@ -424,7 +417,7 @@ async def create_embedding(
     request: CreateEmbeddingRequest, llama: llama_cpp.Llama = Depends(get_llama)
 ):
     return await run_in_threadpool(
-        llama.create_embedding, **request.dict(exclude={"user"})
+        llama.create_embedding, **request.model_dump(exclude={"user"})
     )
 
 
@@ -461,23 +454,24 @@ class CreateChatCompletionRequest(BaseModel):
     repeat_penalty: float = repeat_penalty_field
     logit_bias_type: Optional[Literal["input_ids", "tokens"]] = Field(None)
 
-    class Config:
+    model_config = {
-        schema_extra = {
+        "json_schema_extra": {
-            "example": {
+            "examples": [
+                {
                     "messages": [
                         ChatCompletionRequestMessage(
                             role="system", content="You are a helpful assistant."
-                    ),
+                        ).model_dump(),
                         ChatCompletionRequestMessage(
                             role="user", content="What is the capital of France?"
-                    ),
+                        ).model_dump(),
+                    ]
+                }
             ]
         }
     }
 
 
-
-
 @router.post(
     "/v1/chat/completions",
 )
@@ -486,14 +480,14 @@ async def create_chat_completion(
     body: CreateChatCompletionRequest,
     llama: llama_cpp.Llama = Depends(get_llama),
     settings: Settings = Depends(get_settings),
-) -> Union[llama_cpp.ChatCompletion]: # type: ignore
+) -> llama_cpp.ChatCompletion:
     exclude = {
         "n",
         "logit_bias",
         "logit_bias_type",
         "user",
     }
-    kwargs = body.dict(exclude=exclude)
+    kwargs = body.model_dump(exclude=exclude)
 
     if body.logit_bias is not None:
         kwargs['logits_processor'] = llama_cpp.LogitsProcessorList([
@@ -526,7 +520,7 @@ async def create_chat_completion(
         return EventSourceResponse(
             recv_chan,
             data_sender_callable=partial(event_publisher, send_chan),
-        )
+        ) # type: ignore
     else:
         completion: llama_cpp.ChatCompletion = await run_in_threadpool(
             llama.create_chat_completion, **kwargs  # type: ignore
@@ -546,8 +540,6 @@ class ModelList(TypedDict):
     data: List[ModelData]
 
 
-
-
 @router.get("/v1/models")
 async def get_models(
     settings: Settings = Depends(get_settings),