1 files changed, 55 insertions, 0 deletions
diff --git a/modules/processing_scripts/refiner.py b/modules/processing_scripts/refiner.py
new file mode 100644
index 00000000..5a82991a
--- /dev/null
+++ b/modules/processing_scripts/refiner.py
@@ -0,0 +1,55 @@
+import gradio as gr
+
+from modules import scripts, sd_models
+from modules.ui_common import create_refresh_button
+from modules.ui_components import InputAccordion
+
+
+class ScriptRefiner(scripts.Script):
+    section = "accordions"
+    create_group = False
+
+    def __init__(self):
+        pass
+
+    def title(self):
+        return "Refiner"
+
+    def show(self, is_img2img):
+        return scripts.AlwaysVisible
+
+    def ui(self, is_img2img):
+        with InputAccordion(False, label="Refiner", elem_id=self.elem_id("enable")) as enable_refiner:
+            with gr.Row():
+                refiner_checkpoint = gr.Dropdown(label='Checkpoint', elem_id=self.elem_id("checkpoint"), choices=sd_models.checkpoint_tiles(), value='', tooltip="switch to another model in the middle of generation")
+                create_refresh_button(refiner_checkpoint, sd_models.list_models, lambda: {"choices": sd_models.checkpoint_tiles()}, self.elem_id("checkpoint_refresh"))
+
+                refiner_switch_at = gr.Slider(value=0.8, label="Switch at", minimum=0.01, maximum=1.0, step=0.01, elem_id=self.elem_id("switch_at"), tooltip="fraction of sampling steps when the swtch to refiner model should happen; 1=never, 0.5=switch in the middle of generation")
+
+        def lookup_checkpoint(title):
+            info = sd_models.get_closet_checkpoint_match(title)
+            return None if info is None else info.title
+
+        self.infotext_fields = [
+            (enable_refiner, lambda d: 'Refiner' in d),
+            (refiner_checkpoint, lambda d: lookup_checkpoint(d.get('Refiner'))),
+            (refiner_switch_at, 'Refiner switch at'),
+        ]
+
+        return enable_refiner, refiner_checkpoint, refiner_switch_at
+
+    def before_process(self, p, enable_refiner, refiner_checkpoint, refiner_switch_at):
+        # the actual implementation is in sd_samplers_common.py, apply_refiner
+
+        p.refiner_checkpoint_info = None
+        p.refiner_switch_at = None
+
+        if not enable_refiner or refiner_checkpoint in (None, "", "None"):
+            return
+
+        refiner_checkpoint_info = sd_models.get_closet_checkpoint_match(refiner_checkpoint)
+        if refiner_checkpoint_info is None:
+            raise Exception(f'Could not find checkpoint with name {refiner_checkpoint}')
+
+        p.refiner_checkpoint_info = refiner_checkpoint_info
+        p.refiner_switch_at = refiner_switch_at