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"""
The Streamlit app for the project demo.
In the demo, the user can write a prompt
and the model will generate a response using the grouped sampling algorithm.
"""
import streamlit as st
from torch.cuda import CudaError
from hanlde_form_submit import on_form_submit
from on_server_start import main as on_server_start_main
on_server_start_main()
st.title("Grouped Sampling Demo")
with st.form("request_form"):
selected_model_name: str = st.text_input(
label="Model name",
value="gpt2",
help=f"The name of the model to use."
f"Supported models are all the models in:"
f" https://huggingface.co/models?pipeline_tag=text-generation&library=pytorch",
)
output_length: int = st.number_input(
label="Number of word pieces in the generated text, 1-4096 (default: 100)",
min_value=1,
max_value=4096,
value=100,
help="The length of the output text in tokens (word pieces)."
)
submitted_prompt: str = st.text_area(
label="Input for the model, It is highly recommended to write an English prompt.",
help="Enter the prompt for the model. The model will generate a response based on this prompt.",
value="Instruction: Answer in yes or no.\n"
"Question: Is this a prompt?\n"
"Answer: ",
max_chars=2048,
)
submitted: bool = st.form_submit_button(
label="Generate",
help="Generate the output text.",
disabled=False,
)
if submitted:
try:
output = on_form_submit(selected_model_name, output_length, submitted_prompt)
except CudaError as e:
st.error("Out of memory. Please try a smaller model, shorter prompt, or a smaller output length.")
except (ValueError, TypeError, RuntimeError) as e:
st.error(e)
st.write(f"Generated text: {output}")
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