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# -*- coding:utf-8 -*-
import os
import logging
import sys
import gradio as gr
import torch
from app_modules.utils import *
from app_modules.presets import *
from app_modules.overwrites import *
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)s [%(levelname)s] [%(filename)s:%(lineno)d] %(message)s",
)
base_model = sys.argv[1]
adapter_model = sys.argv[2]
tokenizer, model, device = load_tokenizer_and_model(base_model, adapter_model)
def predict(
text,
chatbot,
history,
top_p,
temperature,
max_length_tokens,
max_context_length_tokens,
):
if text == "":
yield chatbot, history, "Empty context."
return
inputs = generate_prompt_with_history(
text, history, tokenizer, max_length=max_context_length_tokens
)
if inputs is None:
yield chatbot, history, "Input too long."
return
else:
prompt, inputs = inputs
begin_length = len(prompt)
input_ids = inputs["input_ids"][:, -max_context_length_tokens:].to(device)
torch.cuda.empty_cache()
with torch.no_grad():
for x in sample_decode(
input_ids,
model,
tokenizer,
stop_words=["[|Human|]", "[|AI|]"],
max_length=max_length_tokens,
temperature=temperature,
top_p=top_p,
):
if is_stop_word_or_prefix(x, ["[|Human|]", "[|AI|]"]) is False:
if "[|Human|]" in x:
x = x[: x.index("[|Human|]")].strip()
if "[|AI|]" in x:
x = x[: x.index("[|AI|]")].strip()
x = x.strip(" ")
a, b = [[y[0], convert_to_markdown(y[1])] for y in history] + [
[text, convert_to_markdown(x)]
], history + [[text, x]]
yield a, b, "Generating..."
if shared_state.interrupted:
shared_state.recover()
try:
yield a, b, "Stop: Success"
return
except:
pass
torch.cuda.empty_cache()
print(prompt)
print(x)
print("=" * 80)
try:
yield a, b, "Generate: Success"
except:
pass
def retry(
text,
chatbot,
history,
top_p,
temperature,
max_length_tokens,
max_context_length_tokens,
):
logging.info("Retry...")
if len(history) == 0:
yield chatbot, history, "Empty context."
return
chatbot.pop()
inputs = history.pop()[0]
for x in predict(
inputs,
chatbot,
history,
top_p,
temperature,
max_length_tokens,
max_context_length_tokens,
):
yield x
gr.Chatbot.postprocess = postprocess
with open("assets/custom.css", "r", encoding="utf-8") as f:
customCSS = f.read()
with gr.Blocks(css=customCSS, theme=small_and_beautiful_theme) as demo:
history = gr.State([])
user_question = gr.State("")
with gr.Row():
gr.HTML(title)
status_display = gr.Markdown("Success", elem_id="status_display")
gr.Markdown(description_top)
with gr.Row(scale=1).style(equal_height=True):
with gr.Column(scale=5):
with gr.Row(scale=1):
chatbot = gr.Chatbot(elem_id="chuanhu_chatbot").style(height="100%")
with gr.Row(scale=1):
with gr.Column(scale=12):
user_input = gr.Textbox(
show_label=False, placeholder="Enter text"
).style(container=False)
with gr.Column(min_width=70, scale=1):
submitBtn = gr.Button("Send")
with gr.Column(min_width=70, scale=1):
cancelBtn = gr.Button("Stop")
with gr.Row(scale=1):
emptyBtn = gr.Button(
"๐งน New Conversation",
)
retryBtn = gr.Button("๐ Regenerate")
delLastBtn = gr.Button("๐๏ธ Remove Last Turn")
with gr.Column():
with gr.Column(min_width=50, scale=1):
with gr.Tab(label="Parameter Setting"):
gr.Markdown("# Parameters")
top_p = gr.Slider(
minimum=-0,
maximum=1.0,
value=0.95,
step=0.05,
interactive=True,
label="Top-p",
)
temperature = gr.Slider(
minimum=0.1,
maximum=2.0,
value=1,
step=0.1,
interactive=True,
label="Temperature",
)
max_length_tokens = gr.Slider(
minimum=0,
maximum=512,
value=512,
step=8,
interactive=True,
label="Max Generation Tokens",
)
max_context_length_tokens = gr.Slider(
minimum=0,
maximum=4096,
value=2048,
step=128,
interactive=True,
label="Max History Tokens",
)
gr.Markdown(description)
predict_args = dict(
fn=predict,
inputs=[
user_question,
chatbot,
history,
top_p,
temperature,
max_length_tokens,
max_context_length_tokens,
],
outputs=[chatbot, history, status_display],
show_progress=True,
)
retry_args = dict(
fn=retry,
inputs=[
user_input,
chatbot,
history,
top_p,
temperature,
max_length_tokens,
max_context_length_tokens,
],
outputs=[chatbot, history, status_display],
show_progress=True,
)
reset_args = dict(fn=reset_textbox, inputs=[], outputs=[user_input, status_display])
# Chatbot
cancelBtn.click(cancel_outputing, [], [status_display])
transfer_input_args = dict(
fn=transfer_input,
inputs=[user_input],
outputs=[user_question, user_input, submitBtn, cancelBtn],
show_progress=True,
)
user_input.submit(**transfer_input_args).then(**predict_args)
submitBtn.click(**transfer_input_args).then(**predict_args)
emptyBtn.click(
reset_state,
outputs=[chatbot, history, status_display],
show_progress=True,
)
emptyBtn.click(**reset_args)
retryBtn.click(**retry_args)
delLastBtn.click(
delete_last_conversation,
[chatbot, history],
[chatbot, history, status_display],
show_progress=True,
)
demo.title = "Baize"
if __name__ == "__main__":
reload_javascript()
demo.queue(concurrency_count=CONCURRENT_COUNT).launch(
share=False, favicon_path="./assets/favicon.ico", inbrowser=True
)
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