handle duplicate extensions and redo exception handler

modules/script_callbacks.py

@@ -2,15 +2,15 @@ import sys
 from collections import namedtuple
 import inspect
 import modules.shared as shared
+import modules.errors as errors
 from typing import Optional, Dict, Any
 
 from fastapi import FastAPI
 from gradio import Blocks
 
 
-def report_exception(c, job):
-    print(f"Error executing callback {job} for {c.script}", file=sys.stderr)
-    shared.exception()
+def report_exception(e, c, job):
+    errors.display(e, f'executing callback: {c.script} {job}')
 
 
 class ImageSaveParams:
@@ -105,16 +105,16 @@ def app_started_callback(demo: Optional[Blocks], app: FastAPI):
     for c in callback_map['callbacks_app_started']:
         try:
             c.callback(demo, app)
-        except Exception:
-            report_exception(c, 'app_started_callback')
+        except Exception as e:
+            report_exception(e, c, 'app_started_callback')
 
 
 def model_loaded_callback(sd_model):
     for c in callback_map['callbacks_model_loaded']:
         try:
             c.callback(sd_model)
-        except Exception:
-            report_exception(c, 'model_loaded_callback')
+        except Exception as e:
+            report_exception(e, c, 'model_loaded_callback')
 
 
 def ui_tabs_callback():
@@ -123,8 +123,8 @@ def ui_tabs_callback():
     for c in callback_map['callbacks_ui_tabs']:
         try:
             res += c.callback() or []
-        except Exception:
-            report_exception(c, 'ui_tabs_callback')
+        except Exception as e:
+            report_exception(e, c, 'ui_tabs_callback')
 
     return res
 
@@ -133,96 +133,96 @@ def ui_train_tabs_callback(params: UiTrainTabParams):
     for c in callback_map['callbacks_ui_train_tabs']:
         try:
             c.callback(params)
-        except Exception:
-            report_exception(c, 'callbacks_ui_train_tabs')
+        except Exception as e:
+            report_exception(e, c, 'callbacks_ui_train_tabs')
 
 
 def ui_settings_callback():
     for c in callback_map['callbacks_ui_settings']:
         try:
             c.callback()
-        except Exception:
-            report_exception(c, 'ui_settings_callback')
+        except Exception as e:
+            report_exception(e, c, 'ui_settings_callback')
 
 
 def before_image_saved_callback(params: ImageSaveParams):
     for c in callback_map['callbacks_before_image_saved']:
         try:
             c.callback(params)
-        except Exception:
-            report_exception(c, 'before_image_saved_callback')
+        except Exception as e:
+            report_exception(e, c, 'before_image_saved_callback')
 
 
 def image_saved_callback(params: ImageSaveParams):
     for c in callback_map['callbacks_image_saved']:
         try:
             c.callback(params)
-        except Exception:
-            report_exception(c, 'image_saved_callback')
+        except Exception as e:
+            report_exception(e, c, 'image_saved_callback')
 
 
 def cfg_denoiser_callback(params: CFGDenoiserParams):
     for c in callback_map['callbacks_cfg_denoiser']:
         try:
             c.callback(params)
-        except Exception:
-            report_exception(c, 'cfg_denoiser_callback')
+        except Exception as e:
+            report_exception(e, c, 'cfg_denoiser_callback')
 
 
 def cfg_denoised_callback(params: CFGDenoisedParams):
     for c in callback_map['callbacks_cfg_denoised']:
         try:
             c.callback(params)
-        except Exception:
-            report_exception(c, 'cfg_denoised_callback')
+        except Exception as e:
+            report_exception(e, c, 'cfg_denoised_callback')
 
 
 def before_component_callback(component, **kwargs):
     for c in callback_map['callbacks_before_component']:
         try:
             c.callback(component, **kwargs)
-        except Exception:
-            report_exception(c, 'before_component_callback')
+        except Exception as e:
+            report_exception(e, c, 'before_component_callback')
 
 
 def after_component_callback(component, **kwargs):
     for c in callback_map['callbacks_after_component']:
         try:
             c.callback(component, **kwargs)
-        except Exception:
-            report_exception(c, 'after_component_callback')
+        except Exception as e:
+            report_exception(e, c, 'after_component_callback')
 
 
 def image_grid_callback(params: ImageGridLoopParams):
     for c in callback_map['callbacks_image_grid']:
         try:
             c.callback(params)
-        except Exception:
-            report_exception(c, 'image_grid')
+        except Exception as e:
+            report_exception(e, c, 'image_grid')
 
 
 def infotext_pasted_callback(infotext: str, params: Dict[str, Any]):
     for c in callback_map['callbacks_infotext_pasted']:
         try:
             c.callback(infotext, params)
-        except Exception:
-            report_exception(c, 'infotext_pasted')
+        except Exception as e:
+            report_exception(e, c, 'infotext_pasted')
 
 
 def script_unloaded_callback():
     for c in reversed(callback_map['callbacks_script_unloaded']):
         try:
             c.callback()
-        except Exception:
-            report_exception(c, 'script_unloaded')
+        except Exception as e:
+            report_exception(e, c, 'script_unloaded')
 
 
 def before_ui_callback():
     for c in reversed(callback_map['callbacks_before_ui']):
         try:
             c.callback()
-        except Exception:
-            report_exception(c, 'before_ui')
+        except Exception as e:
+            report_exception(e, c, 'before_ui')
 
 
 def add_callback(callbacks, fun):