Merge branch 'AUTOMATIC1111:master' into master

1 files changed, 55 insertions, 1 deletions

diff --git a/modules/script_callbacks.py b/modules/script_callbacks.py
index 6ea58d61..c28e220e 100644
--- a/modules/script_callbacks.py
+++ b/modules/script_callbacks.py
@@ -2,7 +2,10 @@ import sys
 import traceback

 from collections import namedtuple

 import inspect

+from typing import Optional

 

+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)

@@ -24,12 +27,32 @@ class ImageSaveParams:
         """dictionary with parameters for image's PNG info data; infotext will have the key 'parameters'"""

 

 

+class CFGDenoiserParams:

+    def __init__(self, x, image_cond, sigma, sampling_step, total_sampling_steps):

+        self.x = x

+        """Latent image representation in the process of being denoised"""

+        

+        self.image_cond = image_cond

+        """Conditioning image"""

+        

+        self.sigma = sigma

+        """Current sigma noise step value"""

+        

+        self.sampling_step = sampling_step

+        """Current Sampling step number"""

+        

+        self.total_sampling_steps = total_sampling_steps

+        """Total number of sampling steps planned"""

+

+

 ScriptCallback = namedtuple("ScriptCallback", ["script", "callback"])

+callbacks_app_started = []

 callbacks_model_loaded = []

 callbacks_ui_tabs = []

 callbacks_ui_settings = []

 callbacks_before_image_saved = []

 callbacks_image_saved = []

+callbacks_cfg_denoiser = []

 

 

 def clear_callbacks():

@@ -38,6 +61,14 @@ def clear_callbacks():
     callbacks_ui_settings.clear()

     callbacks_before_image_saved.clear()

     callbacks_image_saved.clear()

+    callbacks_cfg_denoiser.clear()

+

+def app_started_callback(demo: Optional[Blocks], app: FastAPI):

+    for c in callbacks_app_started:

+        try:

+            c.callback(demo, app)

+        except Exception:

+            report_exception(c, 'app_started_callback')

 

 

 def model_loaded_callback(sd_model):

@@ -69,7 +100,7 @@ def ui_settings_callback():
 

 

 def before_image_saved_callback(params: ImageSaveParams):

-    for c in callbacks_image_saved:

+    for c in callbacks_before_image_saved:

         try:

             c.callback(params)

         except Exception:

@@ -84,6 +115,14 @@ def image_saved_callback(params: ImageSaveParams):
             report_exception(c, 'image_saved_callback')

 

 

+def cfg_denoiser_callback(params: CFGDenoiserParams):

+    for c in callbacks_cfg_denoiser:

+        try:

+            c.callback(params)

+        except Exception:

+            report_exception(c, 'cfg_denoiser_callback')

+

+

 def add_callback(callbacks, fun):

     stack = [x for x in inspect.stack() if x.filename != __file__]

     filename = stack[0].filename if len(stack) > 0 else 'unknown file'

@@ -91,6 +130,12 @@ def add_callback(callbacks, fun):
     callbacks.append(ScriptCallback(filename, fun))

 

 

+def on_app_started(callback):

+    """register a function to be called when the webui started, the gradio `Block` component and

+    fastapi `FastAPI` object are passed as the arguments"""

+    add_callback(callbacks_app_started, callback)

+

+

 def on_model_loaded(callback):

     """register a function to be called when the stable diffusion model is created; the model is

     passed as an argument"""

@@ -130,3 +175,12 @@ def on_image_saved(callback):
         - params: ImageSaveParams - parameters the image was saved with. Changing fields in this object does nothing.

     """

     add_callback(callbacks_image_saved, callback)

+

+

+def on_cfg_denoiser(callback):

+    """register a function to be called in the kdiffussion cfg_denoiser method after building the inner model inputs.

+    The callback is called with one argument:

+        - params: CFGDenoiserParams - parameters to be passed to the inner model and sampling state details.

+    """

+    add_callback(callbacks_cfg_denoiser, callback)

+