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Sana: Add control over CHI #108

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Sana: Add control over CHI #108

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17 changes: 13 additions & 4 deletions Sana/nodes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -96,9 +96,13 @@ class SanaTextEncode:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"optional": {
"chi_prompt_string": ("STRING", {"forceInput": True})
},
"required": {
"text": ("STRING", {"multiline": True}),
"GEMMA": ("GEMMA",),
"chi": ("BOOLEAN", {"default": True})
}
}

Expand All @@ -107,16 +111,21 @@ def INPUT_TYPES(s):
CATEGORY = "ExtraModels/Sana"
TITLE = "Sana Text Encode"

def encode(self, text, GEMMA=None):
def encode(self, text, GEMMA=None, chi=True, chi_prompt_string=None):
tokenizer = GEMMA["tokenizer"]
text_encoder = GEMMA["text_encoder"]

with torch.no_grad():
chi_prompt = "\n".join(preset_te_prompt)
if chi_prompt_string is None and chi == True:
chi_prompt = "\n".join(preset_te_prompt)
elif chi_prompt_string is not None and chi == True:
chi_prompt = chi_prompt_string
else:
chi_prompt = ""
full_prompt = chi_prompt + text
num_chi_tokens = len(tokenizer.encode(chi_prompt))
max_length = num_chi_tokens + 300 - 2
tokens = tokenizer(
[full_prompt],
max_length=max_length,
Expand Down