handle duplicate extensions and redo exception handler

modules/api/api.py

@@ -14,8 +14,7 @@ from fastapi.responses import JSONResponse
 from fastapi.encoders import jsonable_encoder
 from secrets import compare_digest
 
-import modules.shared as shared
-from modules import sd_samplers, deepbooru, sd_hijack, images, scripts, ui, postprocessing
+from modules import shared, errors, sd_samplers, deepbooru, sd_hijack, images, scripts, ui, postprocessing
 from modules.api.models import *
 from modules.processing import StableDiffusionProcessingTxt2Img, StableDiffusionProcessingImg2Img, process_images
 from modules.textual_inversion.textual_inversion import create_embedding, train_embedding
@@ -94,15 +93,6 @@ def encode_pil_to_base64(image):
     return base64.b64encode(bytes_data)
 
 def api_middleware(app: FastAPI):
-    rich_available = True
-    try:
-        import anyio # importing just so it can be placed on silent list
-        import starlette # importing just so it can be placed on silent list
-        from rich.console import Console
-        console = Console()
-    except:
-        import traceback
-        rich_available = False
 
     @app.middleware("http")
     async def log_and_time(req: Request, call_next):
@@ -133,10 +123,7 @@ def api_middleware(app: FastAPI):
         }
         print(f"API error: {request.method}: {request.url} {err}")
         if not isinstance(e, HTTPException): # do not print backtrace on known httpexceptions
-            if rich_available:
-                console.print_exception(show_locals=False, max_frames=2, extra_lines=1, suppress=[anyio, starlette], word_wrap=False, width=min([console.width, 200]))
-            else:
-                traceback.print_exc()
+            errors.display(e, 'http api')
         return JSONResponse(status_code=vars(e).get('status_code', 500), content=jsonable_encoder(err))
 
     @app.middleware("http")