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-rw-r--r--modules/textual_inversion/textual_inversion.py22
1 files changed, 16 insertions, 6 deletions
diff --git a/modules/textual_inversion/textual_inversion.py b/modules/textual_inversion/textual_inversion.py
index 529ed3e2..ff002d3e 100644
--- a/modules/textual_inversion/textual_inversion.py
+++ b/modules/textual_inversion/textual_inversion.py
@@ -10,7 +10,7 @@ import csv
from PIL import Image, PngImagePlugin
-from modules import shared, devices, sd_hijack, processing, sd_models
+from modules import shared, devices, sd_hijack, processing, sd_models, images
import modules.textual_inversion.dataset
from modules.textual_inversion.learn_schedule import LearnRateScheduler
@@ -157,6 +157,9 @@ 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
+ with devices.autocast():
+ cond_model([""]) # will send cond model to GPU if lowvram/medvram is active
+
ids = cond_model.tokenizer(init_text, max_length=num_vectors_per_token, return_tensors="pt", add_special_tokens=False)["input_ids"]
embedded = embedding_layer.token_embedding.wrapped(ids.to(devices.device)).squeeze(0)
vec = torch.zeros((num_vectors_per_token, embedded.shape[1]), device=devices.device)
@@ -164,6 +167,8 @@ def create_embedding(name, num_vectors_per_token, overwrite_old, init_text='*'):
for i in range(num_vectors_per_token):
vec[i] = embedded[i * int(embedded.shape[0]) // num_vectors_per_token]
+ # Remove illegal characters from name.
+ name = "".join( x for x in name if (x.isalnum() or x in "._- "))
fn = os.path.join(shared.cmd_opts.embeddings_dir, f"{name}.pt")
if not overwrite_old:
assert not os.path.exists(fn), f"file {fn} already exists"
@@ -244,6 +249,7 @@ def train_embedding(embedding_name, learn_rate, batch_size, data_root, log_direc
last_saved_file = "<none>"
last_saved_image = "<none>"
+ forced_filename = "<none>"
embedding_yet_to_be_embedded = False
ititial_step = embedding.step or 0
@@ -283,7 +289,9 @@ def train_embedding(embedding_name, learn_rate, batch_size, data_root, log_direc
pbar.set_description(f"[Epoch {epoch_num}: {epoch_step}/{len(ds)}]loss: {losses.mean():.7f}")
if embedding.step > 0 and embedding_dir is not None and embedding.step % save_embedding_every == 0:
- last_saved_file = os.path.join(embedding_dir, f'{embedding_name}-{embedding.step}.pt')
+ # Before saving, change name to match current checkpoint.
+ embedding.name = f'{embedding_name}-{embedding.step}'
+ last_saved_file = os.path.join(embedding_dir, f'{embedding.name}.pt')
embedding.save(last_saved_file)
embedding_yet_to_be_embedded = True
@@ -293,8 +301,8 @@ def train_embedding(embedding_name, learn_rate, batch_size, data_root, log_direc
})
if embedding.step > 0 and images_dir is not None and embedding.step % create_image_every == 0:
- last_saved_image = os.path.join(images_dir, f'{embedding_name}-{embedding.step}.png')
-
+ forced_filename = f'{embedding_name}-{embedding.step}'
+ last_saved_image = os.path.join(images_dir, forced_filename)
p = processing.StableDiffusionProcessingTxt2Img(
sd_model=shared.sd_model,
do_not_save_grid=True,
@@ -350,8 +358,7 @@ def train_embedding(embedding_name, learn_rate, batch_size, data_root, log_direc
captioned_image.save(last_saved_image_chunks, "PNG", pnginfo=info)
embedding_yet_to_be_embedded = False
- image.save(last_saved_image)
-
+ last_saved_image, last_text_info = images.save_image(image, images_dir, "", p.seed, p.prompt, shared.opts.samples_format, processed.infotexts[0], p=p, forced_filename=forced_filename, save_to_dirs=False)
last_saved_image += f", prompt: {preview_text}"
shared.state.job_no = embedding.step
@@ -371,6 +378,9 @@ Last saved image: {html.escape(last_saved_image)}<br/>
embedding.sd_checkpoint = checkpoint.hash
embedding.sd_checkpoint_name = checkpoint.model_name
embedding.cached_checksum = None
+ # Before saving for the last time, change name back to base name (as opposed to the save_embedding_every step-suffixed naming convention).
+ embedding.name = embedding_name
+ filename = os.path.join(shared.cmd_opts.embeddings_dir, f'{embedding.name}.pt')
embedding.save(filename)
return embedding, filename