Merge pull request #3197 from AUTOMATIC1111/training-help-text

Training UI Changes

modules/hypernetworks/hypernetwork.py

@@ -396,7 +396,7 @@ def train_hypernetwork(hypernetwork_name, learn_rate, batch_size, data_root, log
 Loss: {mean_loss:.7f}<br/>
 Step: {hypernetwork.step}<br/>
 Last prompt: {html.escape(entries[0].cond_text)}<br/>
-Last saved embedding: {html.escape(last_saved_file)}<br/>
+Last saved hypernetwork: {html.escape(last_saved_file)}<br/>
 Last saved image: {html.escape(last_saved_image)}<br/>
 </p>
 """

modules/hypernetworks/ui.py

@@ -10,9 +10,10 @@ from modules import sd_hijack, shared, devices
 from modules.hypernetworks import hypernetwork
 
 
-def create_hypernetwork(name, enable_sizes, layer_structure=None, add_layer_norm=False, activation_func=None):
+def create_hypernetwork(name, enable_sizes, overwrite_old, layer_structure=None, add_layer_norm=False, activation_func=None):
     fn = os.path.join(shared.cmd_opts.hypernetwork_dir, f"{name}.pt")
-    assert not os.path.exists(fn), f"file {fn} already exists"
+    if not overwrite_old:
+        assert not os.path.exists(fn), f"file {fn} already exists"
 
     if type(layer_structure) == str:
         layer_structure = [float(x.strip()) for x in layer_structure.split(",")]

modules/textual_inversion/preprocess.py

@@ -11,7 +11,7 @@ if cmd_opts.deepdanbooru:
     import modules.deepbooru as deepbooru
 
 
-def preprocess(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru=False):
+def preprocess(process_src, process_dst, process_width, process_height, preprocess_txt_action, process_flip, process_split, process_caption, process_caption_deepbooru=False):
     try:
         if process_caption:
             shared.interrogator.load()
@@ -21,7 +21,7 @@ def preprocess(process_src, process_dst, process_width, process_height, process_
             db_opts[deepbooru.OPT_INCLUDE_RANKS] = False
             deepbooru.create_deepbooru_process(opts.interrogate_deepbooru_score_threshold, db_opts)
 
-        preprocess_work(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru)
+        preprocess_work(process_src, process_dst, process_width, process_height, preprocess_txt_action, process_flip, process_split, process_caption, process_caption_deepbooru)
 
     finally:
 
@@ -33,7 +33,7 @@ def preprocess(process_src, process_dst, process_width, process_height, process_
 
 
 
-def preprocess_work(process_src, process_dst, process_width, process_height, process_flip, process_split, process_caption, process_caption_deepbooru=False):
+def preprocess_work(process_src, process_dst, process_width, process_height, preprocess_txt_action, process_flip, process_split, process_caption, process_caption_deepbooru=False):
     width = process_width
     height = process_height
     src = os.path.abspath(process_src)
@@ -48,7 +48,7 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro
     shared.state.textinfo = "Preprocessing..."
     shared.state.job_count = len(files)
 
-    def save_pic_with_caption(image, index):
+    def save_pic_with_caption(image, index, existing_caption=None):
         caption = ""
 
         if process_caption:
@@ -66,17 +66,26 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro
         basename = f"{index:05}-{subindex[0]}-{filename_part}"
         image.save(os.path.join(dst, f"{basename}.png"))
 
+        if preprocess_txt_action == 'prepend' and existing_caption:
+            caption = existing_caption + ' ' + caption
+        elif preprocess_txt_action == 'append' and existing_caption:
+            caption = caption + ' ' + existing_caption
+        elif preprocess_txt_action == 'copy' and existing_caption:
+            caption = existing_caption
+
+        caption = caption.strip()
+        
         if len(caption) > 0:
             with open(os.path.join(dst, f"{basename}.txt"), "w", encoding="utf8") as file:
                 file.write(caption)
 
         subindex[0] += 1
 
-    def save_pic(image, index):
+    def save_pic(image, index, existing_caption=None):
-        save_pic_with_caption(image, index)
+        save_pic_with_caption(image, index, existing_caption=existing_caption)
 
         if process_flip:
-            save_pic_with_caption(ImageOps.mirror(image), index)
+            save_pic_with_caption(ImageOps.mirror(image), index, existing_caption=existing_caption)
 
     for index, imagefile in enumerate(tqdm.tqdm(files)):
         subindex = [0]
@@ -86,6 +95,13 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro
         except Exception:
             continue
 
+        existing_caption = None
+
+        try:
+            existing_caption = open(os.path.splitext(filename)[0] + '.txt', 'r').read()
+        except Exception as e:
+            print(e)
+
         if shared.state.interrupted:
             break
 
@@ -97,20 +113,20 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pro
             img = img.resize((width, height * img.height // img.width))
 
             top = img.crop((0, 0, width, height))
-            save_pic(top, index)
+            save_pic(top, index, existing_caption=existing_caption)
 
             bot = img.crop((0, img.height - height, width, img.height))
-            save_pic(bot, index)
+            save_pic(bot, index, existing_caption=existing_caption)
         elif process_split and is_wide:
             img = img.resize((width * img.width // img.height, height))
 
             left = img.crop((0, 0, width, height))
-            save_pic(left, index)
+            save_pic(left, index, existing_caption=existing_caption)
 
             right = img.crop((img.width - width, 0, img.width, height))
-            save_pic(right, index)
+            save_pic(right, index, existing_caption=existing_caption)
         else:
             img = images.resize_image(1, img, width, height)
-            save_pic(img, index)
+            save_pic(img, index, existing_caption=existing_caption)
 
         shared.state.nextjob()

modules/textual_inversion/textual_inversion.py

@@ -153,7 +153,7 @@ class EmbeddingDatabase:
         return None, None
 
 
-def create_embedding(name, num_vectors_per_token, init_text='*'):
+def create_embedding(name, num_vectors_per_token, overwrite_old, init_text='*'):
     cond_model = shared.sd_model.cond_stage_model
     embedding_layer = cond_model.wrapped.transformer.text_model.embeddings
 
@@ -165,7 +165,8 @@ def create_embedding(name, num_vectors_per_token, init_text='*'):
         vec[i] = embedded[i * int(embedded.shape[0]) // num_vectors_per_token]
 
     fn = os.path.join(shared.cmd_opts.embeddings_dir, f"{name}.pt")
-    assert not os.path.exists(fn), f"file {fn} already exists"
+    if not overwrite_old:
+        assert not os.path.exists(fn), f"file {fn} already exists"
 
     embedding = Embedding(vec, name)
     embedding.step = 0

modules/textual_inversion/ui.py

@@ -7,8 +7,8 @@ import modules.textual_inversion.preprocess
 from modules import sd_hijack, shared
 
 
-def create_embedding(name, initialization_text, nvpt):
+def create_embedding(name, initialization_text, nvpt, overwrite_old):
-    filename = modules.textual_inversion.textual_inversion.create_embedding(name, nvpt, init_text=initialization_text)
+    filename = modules.textual_inversion.textual_inversion.create_embedding(name, nvpt, overwrite_old, init_text=initialization_text)
 
     sd_hijack.model_hijack.embedding_db.load_textual_inversion_embeddings()
 

modules/ui.py

@@ -1211,6 +1211,7 @@ def create_ui(wrap_gradio_gpu_call):
                     new_embedding_name = gr.Textbox(label="Name")
                     initialization_text = gr.Textbox(label="Initialization text", value="*")
                     nvpt = gr.Slider(label="Number of vectors per token", minimum=1, maximum=75, step=1, value=1)
+                    overwrite_old_embedding = gr.Checkbox(value=False, label="Overwrite Old Embedding")
 
                     with gr.Row():
                         with gr.Column(scale=3):
@@ -1224,6 +1225,7 @@ def create_ui(wrap_gradio_gpu_call):
                     new_hypernetwork_sizes = gr.CheckboxGroup(label="Modules", value=["768", "320", "640", "1280"], choices=["768", "320", "640", "1280"])
                     new_hypernetwork_layer_structure = gr.Textbox("1, 2, 1", label="Enter hypernetwork layer structure", placeholder="1st and last digit must be 1. ex:'1, 2, 1'")
                     new_hypernetwork_add_layer_norm = gr.Checkbox(label="Add layer normalization")
+                    overwrite_old_hypernetwork = gr.Checkbox(value=False, label="Overwrite Old Hypernetwork")
                     new_hypernetwork_activation_func = gr.Dropdown(value="relu", label="Select activation function of hypernetwork", choices=["linear", "relu", "leakyrelu"])
 
                     with gr.Row():
@@ -1238,6 +1240,7 @@ def create_ui(wrap_gradio_gpu_call):
                     process_dst = gr.Textbox(label='Destination directory')
                     process_width = gr.Slider(minimum=64, maximum=2048, step=64, label="Width", value=512)
                     process_height = gr.Slider(minimum=64, maximum=2048, step=64, label="Height", value=512)
+                    preprocess_txt_action = gr.Dropdown(label='Existing Caption txt Action', value="ignore", choices=["ignore", "copy", "prepend", "append"])
 
                     with gr.Row():
                         process_flip = gr.Checkbox(label='Create flipped copies')
@@ -1253,14 +1256,17 @@ def create_ui(wrap_gradio_gpu_call):
                             run_preprocess = gr.Button(value="Preprocess", variant='primary')
 
                 with gr.Tab(label="Train"):
-                    gr.HTML(value="<p style='margin-bottom: 0.7em'>Train an embedding; must specify a directory with a set of 1:1 ratio images</p>")
+                    gr.HTML(value="<p style='margin-bottom: 0.7em'>Train an embedding or Hypernetwork; you must specify a directory with a set of 1:1 ratio images <a href=\"https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki/Textual-Inversion\" style=\"font-weight:bold;\">[wiki]</a></p>")
                     with gr.Row():
                         train_embedding_name = gr.Dropdown(label='Embedding', elem_id="train_embedding", choices=sorted(sd_hijack.model_hijack.embedding_db.word_embeddings.keys()))
                         create_refresh_button(train_embedding_name, sd_hijack.model_hijack.embedding_db.load_textual_inversion_embeddings, lambda: {"choices": sorted(sd_hijack.model_hijack.embedding_db.word_embeddings.keys())}, "refresh_train_embedding_name")
                     with gr.Row():
                         train_hypernetwork_name = gr.Dropdown(label='Hypernetwork', elem_id="train_hypernetwork", choices=[x for x in shared.hypernetworks.keys()])
                         create_refresh_button(train_hypernetwork_name, shared.reload_hypernetworks, lambda: {"choices": sorted([x for x in shared.hypernetworks.keys()])}, "refresh_train_hypernetwork_name")
-                    learn_rate = gr.Textbox(label='Learning rate', placeholder="Learning rate", value="0.005")
+                    with gr.Row():
+                        embedding_learn_rate = gr.Textbox(label='Embedding Learning rate', placeholder="Embedding Learning rate", value="0.005")
+                        hypernetwork_learn_rate = gr.Textbox(label='Hypernetwork Learning rate', placeholder="Hypernetwork Learning rate", value="0.00001")
+                    
                     batch_size = gr.Number(label='Batch size', value=1, precision=0)
                     dataset_directory = gr.Textbox(label='Dataset directory', placeholder="Path to directory with input images")
                     log_directory = gr.Textbox(label='Log directory', placeholder="Path to directory where to write outputs", value="textual_inversion")
@@ -1294,6 +1300,7 @@ def create_ui(wrap_gradio_gpu_call):
                 new_embedding_name,
                 initialization_text,
                 nvpt,
+                overwrite_old_embedding,
             ],
             outputs=[
                 train_embedding_name,
@@ -1307,6 +1314,7 @@ def create_ui(wrap_gradio_gpu_call):
             inputs=[
                 new_hypernetwork_name,
                 new_hypernetwork_sizes,
+                overwrite_old_hypernetwork,
                 new_hypernetwork_layer_structure,
                 new_hypernetwork_add_layer_norm,
                 new_hypernetwork_activation_func,
@@ -1326,6 +1334,7 @@ def create_ui(wrap_gradio_gpu_call):
                 process_dst,
                 process_width,
                 process_height,
+                preprocess_txt_action,
                 process_flip,
                 process_split,
                 process_caption,
@@ -1342,7 +1351,7 @@ def create_ui(wrap_gradio_gpu_call):
             _js="start_training_textual_inversion",
             inputs=[
                 train_embedding_name,
-                learn_rate,
+                embedding_learn_rate,
                 batch_size,
                 dataset_directory,
                 log_directory,
@@ -1367,7 +1376,7 @@ def create_ui(wrap_gradio_gpu_call):
             _js="start_training_textual_inversion",
             inputs=[
                 train_hypernetwork_name,
-                learn_rate,
+                hypernetwork_learn_rate,
                 batch_size,
                 dataset_directory,
                 log_directory,