1 files changed, 86 insertions, 0 deletions
diff --git a/server/continuedev/libs/llm/llamacpp.py b/server/continuedev/libs/llm/llamacpp.py
new file mode 100644
index 00000000..bc856a52
--- /dev/null
+++ b/server/continuedev/libs/llm/llamacpp.py
@@ -0,0 +1,86 @@
+import json
+from typing import Any, Callable, Dict
+
+from pydantic import Field
+
+from .base import LLM
+from .prompts.chat import llama2_template_messages
+from .prompts.edit import simplified_edit_prompt
+
+
+class LlamaCpp(LLM):
+    """
+    Run the llama.cpp server binary to start the API server. If running on a remote server, be sure to set host to 0.0.0.0:
+
+    ```shell
+    .\server.exe -c 4096 --host 0.0.0.0 -t 16 --mlock -m models\meta\llama\codellama-7b-instruct.Q8_0.gguf
+    ```
+
+    After it's up and running, change `~/.continue/config.py` to look like this:
+
+    ```python title="~/.continue/config.py"
+    from continuedev.libs.llm.llamacpp import LlamaCpp
+
+    config = ContinueConfig(
+        ...
+        models=Models(
+            default=LlamaCpp(
+                max_context_length=4096,
+                server_url="http://localhost:8080")
+        )
+    )
+    ```
+    """
+
+    model: str = "llamacpp"
+    server_url: str = Field("http://localhost:8080", description="URL of the server")
+
+    llama_cpp_args: Dict[str, Any] = Field(
+        {"stop": ["[INST]"]},
+        description="A list of additional arguments to pass to llama.cpp. See [here](https://github.com/ggerganov/llama.cpp/tree/master/examples/server#api-endpoints) for the complete catalog of options.",
+    )
+
+    template_messages: Callable = llama2_template_messages
+    prompt_templates = {
+        "edit": simplified_edit_prompt,
+    }
+
+    class Config:
+        arbitrary_types_allowed = True
+
+    def collect_args(self, options) -> Any:
+        args = super().collect_args(options)
+        if "max_tokens" in args:
+            args["n_predict"] = args["max_tokens"]
+            del args["max_tokens"]
+        if "frequency_penalty" in args:
+            del args["frequency_penalty"]
+        if "presence_penalty" in args:
+            del args["presence_penalty"]
+
+        for k, v in self.llama_cpp_args.items():
+            if k not in args:
+                args[k] = v
+
+        return args
+
+    async def _stream_complete(self, prompt, options):
+        args = self.collect_args(options)
+        headers = {"Content-Type": "application/json"}
+
+        async def server_generator():
+            async with self.create_client_session() as client_session:
+                async with client_session.post(
+                    f"{self.server_url}/completion",
+                    json={"prompt": prompt, "stream": True, **args},
+                    headers=headers,
+                    proxy=self.proxy,
+                ) as resp:
+                    async for line in resp.content:
+                        content = line.decode("utf-8")
+                        if content.strip() == "":
+                            continue
+                        yield json.loads(content[6:])["content"]
+
+        async for chunk in server_generator():
+            yield chunk