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web_demo.py
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web_demo.py
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from transformers import AutoModel, AutoTokenizer
import gradio as gr
tokenizer = AutoTokenizer.from_pretrained("THUDM/chatglm-6b", trust_remote_code=True)
model = AutoModel.from_pretrained("THUDM/chatglm-6b", trust_remote_code=True).half().cuda()
model = model.eval()
MAX_TURNS = 20
MAX_BOXES = MAX_TURNS * 2
def predict(input, history=None):
if history is None:
history = []
response, history = model.chat(tokenizer, input, history)
updates = []
for query, response in history:
updates.append(gr.update(visible=True, value="用户:" + query))
updates.append(gr.update(visible=True, value="ChatGLM-6B:" + response))
if len(updates) < MAX_BOXES:
updates = updates + [gr.Textbox.update(visible=False)] * (MAX_BOXES - len(updates))
return [history] + updates
with gr.Blocks() as demo:
state = gr.State([])
text_boxes = []
for i in range(MAX_BOXES):
if i % 2 == 0:
text_boxes.append(gr.Markdown(visible=False, label="提问:"))
else:
text_boxes.append(gr.Markdown(visible=False, label="回复:"))
with gr.Row():
with gr.Column(scale=4):
txt = gr.Textbox(show_label=False, placeholder="Enter text and press enter").style(container=False)
with gr.Column(scale=1):
button = gr.Button("Generate")
button.click(predict, [txt, state], [state] + text_boxes)
demo.queue().launch(share=True)