Update app.py
Browse files
app.py
CHANGED
|
@@ -1,76 +1,40 @@
|
|
| 1 |
import torch
|
| 2 |
import torch.nn as nn
|
| 3 |
-
import gradio as gr
|
| 4 |
from transformers import AutoTokenizer, Qwen2ForCausalLM
|
| 5 |
|
| 6 |
device = "cpu"
|
| 7 |
dtype = torch.float32
|
| 8 |
|
| 9 |
-
# Qwen 0.5B = hidden_size 896
|
| 10 |
tokenizer = AutoTokenizer.from_pretrained("Qwen/Qwen2-0.5B")
|
| 11 |
text_encoder = Qwen2ForCausalLM.from_pretrained(
|
| 12 |
"Qwen/Qwen2-0.5B",
|
| 13 |
torch_dtype=dtype,
|
| 14 |
)
|
| 15 |
|
| 16 |
-
#
|
| 17 |
-
|
|
|
|
| 18 |
|
| 19 |
-
def encode(prompt
|
| 20 |
-
|
| 21 |
-
|
| 22 |
-
prompt = ""
|
| 23 |
-
prompt_clean = prompt.strip()
|
| 24 |
|
| 25 |
-
|
| 26 |
-
if prompt_clean == "":
|
| 27 |
-
if tokenizer.eos_token:
|
| 28 |
-
prompt_clean = tokenizer.eos_token
|
| 29 |
-
else:
|
| 30 |
-
prompt_clean = "."
|
| 31 |
|
| 32 |
-
# Tokenisation
|
| 33 |
-
tokens = tokenizer(
|
| 34 |
-
prompt_clean,
|
| 35 |
-
return_tensors="pt",
|
| 36 |
-
padding=True,
|
| 37 |
-
truncation=True,
|
| 38 |
-
max_length=512,
|
| 39 |
-
)
|
| 40 |
-
|
| 41 |
-
# Encodage Qwen (SANS inference_mode)
|
| 42 |
out = text_encoder(
|
| 43 |
**tokens,
|
| 44 |
output_hidden_states=True,
|
| 45 |
use_cache=False,
|
| 46 |
)
|
| 47 |
|
| 48 |
-
#
|
| 49 |
-
embeds_896 = out.hidden_states[-1] # [1, L, 896]
|
| 50 |
-
|
| 51 |
-
# Projection -> 2048 dims
|
| 52 |
-
embeds_2048 = proj(embeds_896) # [1, L, 2048]
|
| 53 |
|
| 54 |
-
#
|
| 55 |
-
# [1, 2048]
|
| 56 |
-
proj_pooled = nn.Linear(2048, 768)
|
| 57 |
-
pooled = proj_pooled(embeds_2048.mean(dim=1))
|
| 58 |
-
|
| 59 |
-
# Sauvegarde
|
| 60 |
-
torch.save(embeds_2048, "embeds.pt")
|
| 61 |
-
torch.save(pooled, "pooled.pt")
|
| 62 |
|
| 63 |
-
|
|
|
|
| 64 |
|
| 65 |
-
|
| 66 |
-
|
| 67 |
-
inputs=gr.Textbox(label="Prompt"),
|
| 68 |
-
outputs=[
|
| 69 |
-
gr.Textbox(label="Shape"),
|
| 70 |
-
gr.File(label="Embeddings 2048"),
|
| 71 |
-
gr.File(label="Pooled 2048")
|
| 72 |
-
],
|
| 73 |
-
title="External Text Encoder — 2048 dims (FLUX.1‑Schnell)"
|
| 74 |
-
)
|
| 75 |
|
| 76 |
-
|
|
|
|
| 1 |
import torch
|
| 2 |
import torch.nn as nn
|
|
|
|
| 3 |
from transformers import AutoTokenizer, Qwen2ForCausalLM
|
| 4 |
|
| 5 |
device = "cpu"
|
| 6 |
dtype = torch.float32
|
| 7 |
|
|
|
|
| 8 |
tokenizer = AutoTokenizer.from_pretrained("Qwen/Qwen2-0.5B")
|
| 9 |
text_encoder = Qwen2ForCausalLM.from_pretrained(
|
| 10 |
"Qwen/Qwen2-0.5B",
|
| 11 |
torch_dtype=dtype,
|
| 12 |
)
|
| 13 |
|
| 14 |
+
# Qwen 0.5B → 896 dims
|
| 15 |
+
proj_tokens = nn.Linear(896, 2048) # pour prompt_embeds
|
| 16 |
+
proj_pooled = nn.Linear(2048, 768) # pour pooled_prompt_embeds
|
| 17 |
|
| 18 |
+
def encode(prompt):
|
| 19 |
+
if not prompt.strip():
|
| 20 |
+
prompt = tokenizer.eos_token or "."
|
|
|
|
|
|
|
| 21 |
|
| 22 |
+
tokens = tokenizer(prompt, return_tensors="pt")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 23 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 24 |
out = text_encoder(
|
| 25 |
**tokens,
|
| 26 |
output_hidden_states=True,
|
| 27 |
use_cache=False,
|
| 28 |
)
|
| 29 |
|
| 30 |
+
hidden = out.hidden_states[-1] # [1, L, 896]
|
|
|
|
|
|
|
|
|
|
|
|
|
| 31 |
|
| 32 |
+
embeds_2048 = proj_tokens(hidden) # [1, L, 2048]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 33 |
|
| 34 |
+
pooled_2048 = embeds_2048.mean(dim=1) # [1, 2048]
|
| 35 |
+
pooled_768 = proj_pooled(pooled_2048) # [1, 768]
|
| 36 |
|
| 37 |
+
torch.save(embeds_2048, "embeds.pt")
|
| 38 |
+
torch.save(pooled_768, "pooled.pt")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 39 |
|
| 40 |
+
return "OK", "embeds.pt", "pooled.pt"
|