add an option to enable sections from extras tab in txt2img/img2img

fix some style inconsistenices

modules/scripts.py

@@ -6,12 +6,16 @@ from collections import namedtuple
 
 import gradio as gr
 
-from modules.processing import StableDiffusionProcessing
 from modules import shared, paths, script_callbacks, extensions, script_loading, scripts_postprocessing
 
 AlwaysVisible = object()
 
 
+class PostprocessImageArgs:
+    def __init__(self, image):
+        self.image = image
+
+
 class Script:
     filename = None
     args_from = None
@@ -65,7 +69,7 @@ class Script:
         args contains all values returned by components from ui()
         """
 
-        raise NotImplementedError()
+        pass
 
     def process(self, p, *args):
         """
@@ -100,6 +104,13 @@ class Script:
 
         pass
 
+    def postprocess_image(self, p, pp: PostprocessImageArgs, *args):
+        """
+        Called for every image after it has been generated.
+        """
+
+        pass
+
     def postprocess(self, p, processed, *args):
         """
         This function is called after processing ends for AlwaysVisible scripts.
@@ -247,11 +258,15 @@ class ScriptRunner:
         self.infotext_fields = []
 
     def initialize_scripts(self, is_img2img):
+        from modules import scripts_auto_postprocessing
+
         self.scripts.clear()
         self.alwayson_scripts.clear()
         self.selectable_scripts.clear()
 
-        for script_class, path, basedir, script_module in scripts_data:
+        auto_processing_scripts = scripts_auto_postprocessing.create_auto_preprocessing_script_data()
+
+        for script_class, path, basedir, script_module in auto_processing_scripts + scripts_data:
             script = script_class()
             script.filename = path
             script.is_txt2img = not is_img2img
@@ -332,7 +347,7 @@ class ScriptRunner:
 
         return inputs
 
-    def run(self, p: StableDiffusionProcessing, *args):
+    def run(self, p, *args):
         script_index = args[0]
 
         if script_index == 0:
@@ -386,6 +401,15 @@ class ScriptRunner:
                 print(f"Error running postprocess_batch: {script.filename}", file=sys.stderr)
                 print(traceback.format_exc(), file=sys.stderr)
 
+    def postprocess_image(self, p, pp: PostprocessImageArgs):
+        for script in self.alwayson_scripts:
+            try:
+                script_args = p.script_args[script.args_from:script.args_to]
+                script.postprocess_image(p, pp, *script_args)
+            except Exception:
+                print(f"Error running postprocess_batch: {script.filename}", file=sys.stderr)
+                print(traceback.format_exc(), file=sys.stderr)
+
     def before_component(self, component, **kwargs):
         for script in self.scripts:
             try: