API: Add template list endpoint

Fetches all template names that a user has in the templates directory
for chat completions.

Signed-off-by: kingbri <bdashore3@proton.me>

OAI/types/template.py

@@ -0,0 +1,9 @@
+from pydantic import BaseModel, Field
+from typing import List
+
+
+class TemplateList(BaseModel):
+    """Represents a list of templates."""
+
+    object: str = "list"
+    data: List[str] = Field(default_factory=list)

main.py

@@ -32,6 +32,7 @@ from OAI.types.model import (
     ModelLoadResponse,
     ModelCardParameters,
 )
+from OAI.types.template import TemplateList
 from OAI.types.token import (
     TokenEncodeRequest,
     TokenEncodeResponse,
@@ -45,7 +46,7 @@ from OAI.utils_oai import (
     create_chat_completion_response,
     create_chat_completion_stream_chunk,
 )
-from templating import get_prompt_from_template
+from templating import get_all_templates, get_prompt_from_template
 from utils import get_generator_error, get_sse_packet, load_progress, unwrap
 from logger import init_logger
 
@@ -244,6 +245,14 @@ async def unload_model():
     MODEL_CONTAINER = None
 
 
+@app.get("/v1/templates", dependencies=[Depends(check_api_key)])
+@app.get("/v1/template/list", dependencies=[Depends(check_api_key)])
+async def get_templates():
+    templates = get_all_templates()
+    template_strings = list(map(lambda template: template.stem, templates))
+    return TemplateList(data=template_strings)
+
+
 # Lora list endpoint
 @app.get("/v1/loras", dependencies=[Depends(check_api_key)])
 @app.get("/v1/lora/list", dependencies=[Depends(check_api_key)])

templating.py

@@ -57,11 +57,18 @@ def _compile_template(template: str):
     return jinja_template
 
 
+def get_all_templates():
+    """Fetches all templates from the templates directory"""
+
+    template_directory = pathlib.Path("templates")
+    return template_directory.glob("*.jinja")
+
+
 def find_template_from_model(model_path: pathlib.Path):
     """Find a matching template name from a model path."""
     model_name = model_path.name
-    template_directory = pathlib.Path("templates")
-    for filepath in template_directory.glob("*.jinja"):
+    template_files = get_all_templates()
+    for filepath in template_files:
         template_name = filepath.stem.lower()
 
         # Check if the template name is present in the model name