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Allow creation of zero vectors for TI

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This commit is contained in:
Shondoit 2023-01-12 09:22:29 +01:00
parent 0b8911d883
commit d52a80f7f7
1 changed files with 6 additions and 3 deletions
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9
modules/textual_inversion/textual_inversion.py
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@ -248,11 +248,14 @@ def create_embedding(name, num_vectors_per_token, overwrite_old, init_text='*'):
with devices.autocast():
cond_model([""]) # will send cond model to GPU if lowvram/medvram is active
embedded = cond_model.encode_embedding_init_text(init_text, num_vectors_per_token)
#cond_model expects at least some text, so we provide '*' as backup.
embedded = cond_model.encode_embedding_init_text(init_text or '*', num_vectors_per_token)
vec = torch.zeros((num_vectors_per_token, embedded.shape[1]), device=devices.device)
for i in range(num_vectors_per_token):
vec[i] = embedded[i * int(embedded.shape[0]) // num_vectors_per_token]
#Only copy if we provided an init_text, otherwise keep vectors as zeros
if 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 "._- "))