refac: re-use utils.misc

backend/apps/ollama/main.py

@@ -44,7 +44,13 @@ from config import (
     UPLOAD_DIR,
     AppConfig,
 )
-from utils.misc import calculate_sha256, add_or_update_system_message
+from utils.misc import (
+    apply_model_params_to_body_ollama,
+    calculate_sha256,
+    add_or_update_system_message,
+    apply_model_params_to_body_openai,
+    apply_model_system_prompt_to_body,
+)
 
 log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["OLLAMA"])
@@ -699,6 +705,18 @@ class GenerateChatCompletionForm(BaseModel):
     keep_alive: Optional[Union[int, str]] = None
 
 
+def get_ollama_url(url_idx: Optional[int], model: str):
+    if url_idx is None:
+        if model not in app.state.MODELS:
+            raise HTTPException(
+                status_code=400,
+                detail=ERROR_MESSAGES.MODEL_NOT_FOUND(model),
+            )
+        url_idx = random.choice(app.state.MODELS[model]["urls"])
+    url = app.state.config.OLLAMA_BASE_URLS[url_idx]
+    return url
+
+
 @app.post("/api/chat")
 @app.post("/api/chat/{url_idx}")
 async def generate_chat_completion(
@@ -706,17 +724,12 @@ async def generate_chat_completion(
     url_idx: Optional[int] = None,
     user=Depends(get_verified_user),
 ):
-    log.debug(
-        "form_data.model_dump_json(exclude_none=True).encode(): {0} ".format(
-            form_data.model_dump_json(exclude_none=True).encode()
-        )
-    )
+    log.debug(f"{form_data.model_dump_json(exclude_none=True).encode()}=")
 
     payload = {
         **form_data.model_dump(exclude_none=True, exclude=["metadata"]),
     }
-    if "metadata" in payload:
-        del payload["metadata"]
+    payload.pop("metadata")
 
     model_id = form_data.model
     model_info = Models.get_model_by_id(model_id)
@@ -731,148 +744,15 @@ async def generate_chat_completion(
             if payload.get("options") is None:
                 payload["options"] = {}
 
-            if (
-                params.get("mirostat", None)
-                and payload["options"].get("mirostat") is None
-            ):
-                payload["options"]["mirostat"] = params.get("mirostat", None)
-
-            if (
-                params.get("mirostat_eta", None)
-                and payload["options"].get("mirostat_eta") is None
-            ):
-                payload["options"]["mirostat_eta"] = params.get("mirostat_eta", None)
-
-            if (
-                params.get("mirostat_tau", None)
-                and payload["options"].get("mirostat_tau") is None
-            ):
-                payload["options"]["mirostat_tau"] = params.get("mirostat_tau", None)
-
-            if (
-                params.get("num_ctx", None)
-                and payload["options"].get("num_ctx") is None
-            ):
-                payload["options"]["num_ctx"] = params.get("num_ctx", None)
-
-            if (
-                params.get("num_batch", None)
-                and payload["options"].get("num_batch") is None
-            ):
-                payload["options"]["num_batch"] = params.get("num_batch", None)
-
-            if (
-                params.get("num_keep", None)
-                and payload["options"].get("num_keep") is None
-            ):
-                payload["options"]["num_keep"] = params.get("num_keep", None)
-
-            if (
-                params.get("repeat_last_n", None)
-                and payload["options"].get("repeat_last_n") is None
-            ):
-                payload["options"]["repeat_last_n"] = params.get("repeat_last_n", None)
-
-            if (
-                params.get("frequency_penalty", None)
-                and payload["options"].get("frequency_penalty") is None
-            ):
-                payload["options"]["repeat_penalty"] = params.get(
-                    "frequency_penalty", None
-                )
-
-            if (
-                params.get("temperature", None) is not None
-                and payload["options"].get("temperature") is None
-            ):
-                payload["options"]["temperature"] = params.get("temperature", None)
-
-            if (
-                params.get("seed", None) is not None
-                and payload["options"].get("seed") is None
-            ):
-                payload["options"]["seed"] = params.get("seed", None)
-
-            if params.get("stop", None) and payload["options"].get("stop") is None:
-                payload["options"]["stop"] = (
-                    [
-                        bytes(stop, "utf-8").decode("unicode_escape")
-                        for stop in params["stop"]
-                    ]
-                    if params.get("stop", None)
-                    else None
-                )
-
-            if params.get("tfs_z", None) and payload["options"].get("tfs_z") is None:
-                payload["options"]["tfs_z"] = params.get("tfs_z", None)
-
-            if (
-                params.get("max_tokens", None)
-                and payload["options"].get("max_tokens") is None
-            ):
-                payload["options"]["num_predict"] = params.get("max_tokens", None)
-
-            if params.get("top_k", None) and payload["options"].get("top_k") is None:
-                payload["options"]["top_k"] = params.get("top_k", None)
-
-            if params.get("top_p", None) and payload["options"].get("top_p") is None:
-                payload["options"]["top_p"] = params.get("top_p", None)
-
-            if params.get("min_p", None) and payload["options"].get("min_p") is None:
-                payload["options"]["min_p"] = params.get("min_p", None)
-
-            if (
-                params.get("use_mmap", None)
-                and payload["options"].get("use_mmap") is None
-            ):
-                payload["options"]["use_mmap"] = params.get("use_mmap", None)
-
-            if (
-                params.get("use_mlock", None)
-                and payload["options"].get("use_mlock") is None
-            ):
-                payload["options"]["use_mlock"] = params.get("use_mlock", None)
-
-            if (
-                params.get("num_thread", None)
-                and payload["options"].get("num_thread") is None
-            ):
-                payload["options"]["num_thread"] = params.get("num_thread", None)
-
-        system = params.get("system", None)
-        if system:
-            system = prompt_template(
-                system,
-                **(
-                    {
-                        "user_name": user.name,
-                        "user_location": (
-                            user.info.get("location") if user.info else None
-                        ),
-                    }
-                    if user
-                    else {}
-                ),
+            payload["options"] = apply_model_params_to_body_ollama(
+                params, payload["options"]
             )
+            payload = apply_model_system_prompt_to_body(params, payload, user)
 
-            if payload.get("messages"):
-                payload["messages"] = add_or_update_system_message(
-                    system, payload["messages"]
-                )
-
-    if url_idx is None:
-        if ":" not in payload["model"]:
-            payload["model"] = f"{payload['model']}:latest"
+    if ":" not in payload["model"]:
+        payload["model"] = f"{payload['model']}:latest"
 
-        if payload["model"] in app.state.MODELS:
-            url_idx = random.choice(app.state.MODELS[payload["model"]]["urls"])
-        else:
-            raise HTTPException(
-                status_code=400,
-                detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.model),
-            )
-
-    url = app.state.config.OLLAMA_BASE_URLS[url_idx]
+    url = get_ollama_url(url_idx, payload["model"])
     log.info(f"url: {url}")
     log.debug(payload)
 
@@ -906,83 +786,27 @@ async def generate_openai_chat_completion(
     url_idx: Optional[int] = None,
     user=Depends(get_verified_user),
 ):
-    form_data = OpenAIChatCompletionForm(**form_data)
-    payload = {**form_data.model_dump(exclude_none=True, exclude=["metadata"])}
-
-    if "metadata" in payload:
-        del payload["metadata"]
+    completion_form = OpenAIChatCompletionForm(**form_data)
+    payload = {**completion_form.model_dump(exclude_none=True, exclude=["metadata"])}
+    payload.pop("metadata")
 
-    model_id = form_data.model
+    model_id = completion_form.model
     model_info = Models.get_model_by_id(model_id)
 
     if model_info:
         if model_info.base_model_id:
             payload["model"] = model_info.base_model_id
 
-        model_info.params = model_info.params.model_dump()
-
-        if model_info.params:
-            payload["temperature"] = model_info.params.get("temperature", None)
-            payload["top_p"] = model_info.params.get("top_p", None)
-            payload["max_tokens"] = model_info.params.get("max_tokens", None)
-            payload["frequency_penalty"] = model_info.params.get(
-                "frequency_penalty", None
-            )
-            payload["seed"] = model_info.params.get("seed", None)
-            payload["stop"] = (
-                [
-                    bytes(stop, "utf-8").decode("unicode_escape")
-                    for stop in model_info.params["stop"]
-                ]
-                if model_info.params.get("stop", None)
-                else None
-            )
-
-        system = model_info.params.get("system", None)
-
-        if system:
-            system = prompt_template(
-                system,
-                **(
-                    {
-                        "user_name": user.name,
-                        "user_location": (
-                            user.info.get("location") if user.info else None
-                        ),
-                    }
-                    if user
-                    else {}
-                ),
-            )
-            # Check if the payload already has a system message
-            # If not, add a system message to the payload
-            if payload.get("messages"):
-                for message in payload["messages"]:
-                    if message.get("role") == "system":
-                        message["content"] = system + message["content"]
-                        break
-                else:
-                    payload["messages"].insert(
-                        0,
-                        {
-                            "role": "system",
-                            "content": system,
-                        },
-                    )
+        params = model_info.params.model_dump()
 
-    if url_idx is None:
-        if ":" not in payload["model"]:
-            payload["model"] = f"{payload['model']}:latest"
+        if params:
+            payload = apply_model_params_to_body_openai(params, payload)
+            payload = apply_model_system_prompt_to_body(params, payload, user)
 
-        if payload["model"] in app.state.MODELS:
-            url_idx = random.choice(app.state.MODELS[payload["model"]]["urls"])
-        else:
-            raise HTTPException(
-                status_code=400,
-                detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.model),
-            )
+    if ":" not in payload["model"]:
+        payload["model"] = f"{payload['model']}:latest"
 
-    url = app.state.config.OLLAMA_BASE_URLS[url_idx]
+    url = get_ollama_url(url_idx, payload["model"])
     log.info(f"url: {url}")
 
     return await post_streaming_url(

backend/apps/openai/main.py

@@ -17,7 +17,10 @@ from utils.utils import (
     get_verified_user,
     get_admin_user,
 )
-from utils.misc import apply_model_params_to_body, apply_model_system_prompt_to_body
+from utils.misc import (
+    apply_model_params_to_body_openai,
+    apply_model_system_prompt_to_body,
+)
 
 from config import (
     SRC_LOG_LEVELS,
@@ -366,7 +369,7 @@ async def generate_chat_completion(
             payload["model"] = model_info.base_model_id
 
         params = model_info.params.model_dump()
-        payload = apply_model_params_to_body(params, payload)
+        payload = apply_model_params_to_body_openai(params, payload)
         payload = apply_model_system_prompt_to_body(params, payload, user)
 
     model = app.state.MODELS[payload.get("model")]

backend/apps/webui/main.py

@@ -22,7 +22,7 @@ from apps.webui.utils import load_function_module_by_id
 from utils.misc import (
     openai_chat_chunk_message_template,
     openai_chat_completion_message_template,
-    apply_model_params_to_body,
+    apply_model_params_to_body_openai,
     apply_model_system_prompt_to_body,
 )
 
@@ -289,7 +289,7 @@ async def generate_function_chat_completion(form_data, user):
             form_data["model"] = model_info.base_model_id
 
         params = model_info.params.model_dump()
-        form_data = apply_model_params_to_body(params, form_data)
+        form_data = apply_model_params_to_body_openai(params, form_data)
         form_data = apply_model_system_prompt_to_body(params, form_data, user)
 
     pipe_id = get_pipe_id(form_data)

backend/utils/misc.py

@@ -2,7 +2,7 @@ from pathlib import Path
 import hashlib
 import re
 from datetime import timedelta
-from typing import Optional, List, Tuple
+from typing import Optional, List, Tuple, Callable
 import uuid
 import time
 
@@ -135,19 +135,12 @@ def apply_model_system_prompt_to_body(params: dict, form_data: dict, user) -> di
 
 
 # inplace function: form_data is modified
-def apply_model_params_to_body(params: dict, form_data: dict) -> dict:
+def apply_model_params_to_body(
+    params: dict, form_data: dict, mappings: dict[str, Callable]
+) -> dict:
     if not params:
         return form_data
 
-    mappings = {
-        "temperature": float,
-        "top_p": int,
-        "max_tokens": int,
-        "frequency_penalty": int,
-        "seed": lambda x: x,
-        "stop": lambda x: [bytes(s, "utf-8").decode("unicode_escape") for s in x],
-    }
-
     for key, cast_func in mappings.items():
         if (value := params.get(key)) is not None:
             form_data[key] = cast_func(value)
@@ -155,6 +148,42 @@ def apply_model_params_to_body(params: dict, form_data: dict) -> dict:
     return form_data
 
 
+OPENAI_MAPPINGS = {
+    "temperature": float,
+    "top_p": int,
+    "max_tokens": int,
+    "frequency_penalty": int,
+    "seed": lambda x: x,
+    "stop": lambda x: [bytes(s, "utf-8").decode("unicode_escape") for s in x],
+}
+
+
+# inplace function: form_data is modified
+def apply_model_params_to_body_openai(params: dict, form_data: dict) -> dict:
+    return apply_model_params_to_body(params, form_data, OPENAI_MAPPINGS)
+
+
+def apply_model_params_to_body_ollama(params: dict, form_data: dict) -> dict:
+    opts = [
+        "mirostat",
+        "mirostat_eta",
+        "mirostat_tau",
+        "num_ctx",
+        "num_batch",
+        "num_keep",
+        "repeat_last_n",
+        "tfs_z",
+        "top_k",
+        "min_p",
+        "use_mmap",
+        "use_mlock",
+        "num_thread",
+    ]
+    mappings = {i: lambda x: x for i in opts}
+    mappings = {**mappings, **OPENAI_MAPPINGS}
+    return apply_model_params_to_body(params, form_data, mappings)
+
+
 def get_gravatar_url(email):
     # Trim leading and trailing whitespace from
     # an email address and force all characters