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import json
import os
from pathlib import Path
import add_qwen_libs # NOQA
import gradio as gr
import jsonlines
from schema import GlobalConfig
from qwen_agent.actions import RetrievalQA
from qwen_agent.llm import get_chat_model
from qwen_agent.log import logger
from qwen_agent.memory import Memory
# Read config
with open(Path(__file__).resolve().parent / 'server_config.json', 'r') as f:
server_config = json.load(f)
server_config = GlobalConfig(**server_config)
llm = get_chat_model(model=server_config.server.llm,
api_key=server_config.server.api_key,
model_server=server_config.server.model_server)
mem = Memory(llm=llm, stream=False)
cache_file = os.path.join(server_config.path.cache_root, 'browse.jsonl')
cache_file_popup_url = os.path.join(server_config.path.cache_root,
'popup_url.jsonl')
PAGE_URL = []
with open(Path(__file__).resolve().parent / 'css/main.css', 'r') as f:
css = f.read()
with open(Path(__file__).resolve().parent / 'js/main.js', 'r') as f:
js = f.read()
def add_text(history, text):
history = history + [(text, None)]
return history, gr.update(value='', interactive=False)
def rm_text(history):
if not history:
gr.Warning('No input content!')
elif not history[-1][1]:
return history, gr.update(value='', interactive=False)
else:
history = history[:-1] + [(history[-1][0], None)]
return history, gr.update(value='', interactive=False)
def add_file(history, file):
history = history + [((file.name, ), None)]
return history
def set_page_url():
lines = []
assert os.path.exists(cache_file_popup_url)
for line in jsonlines.open(cache_file_popup_url):
lines.append(line)
PAGE_URL.append(lines[-1]['url'])
logger.info('The current access page is: ' + PAGE_URL[-1])
def bot(history):
set_page_url()
if not history:
yield history
else:
now_page = None
_ref = ''
if not os.path.exists(cache_file):
gr.Info("Please add this page to Qwen's Reading List first!")
else:
for line in jsonlines.open(cache_file):
if line['url'] == PAGE_URL[-1]:
now_page = line
if not now_page:
gr.Info(
"This page has not yet been added to the Qwen's reading list!"
)
elif not now_page['raw']:
gr.Info('Please reopen later, Qwen is analyzing this page...')
else:
_ref_list = mem.get(
history[-1][0], [now_page],
max_token=server_config.server.max_ref_token)
if _ref_list:
_ref = '\n'.join(
json.dumps(x, ensure_ascii=False) for x in _ref_list)
else:
_ref = ''
# TODO: considering history for retrieval qa
agent = RetrievalQA(stream=True, llm=llm)
history[-1][1] = ''
response = agent.run(user_request=history[-1][0], ref_doc=_ref)
for chunk in response:
history[-1][1] += chunk
yield history
# save history
if now_page:
now_page['session'] = history
lines = []
for line in jsonlines.open(cache_file):
if line['url'] != PAGE_URL[-1]:
lines.append(line)
lines.append(now_page)
with jsonlines.open(cache_file, mode='w') as writer:
for new_line in lines:
writer.write(new_line)
def load_history_session(history):
now_page = None
if not os.path.exists(cache_file):
gr.Info("Please add this page to Qwen's Reading List first!")
return []
for line in jsonlines.open(cache_file):
if line['url'] == PAGE_URL[-1]:
now_page = line
if not now_page:
gr.Info("Please add this page to Qwen's Reading List first!")
return []
if not now_page['raw']:
gr.Info('Please wait, Qwen is analyzing this page...')
return []
return now_page['session']
def clear_session():
if not os.path.exists(cache_file):
return None
now_page = None
lines = []
for line in jsonlines.open(cache_file):
if line['url'] == PAGE_URL[-1]:
now_page = line
else:
lines.append(line)
if not now_page:
return None
now_page['session'] = []
lines.append(now_page)
with jsonlines.open(cache_file, mode='w') as writer:
for new_line in lines:
writer.write(new_line)
return None
with gr.Blocks(css=css, theme='soft') as demo:
chatbot = gr.Chatbot([],
elem_id='chatbot',
height=480,
avatar_images=(None, (os.path.join(
Path(__file__).resolve().parent,
'img/logo.png'))))
with gr.Row():
with gr.Column(scale=7):
txt = gr.Textbox(show_label=False,
placeholder='Chat with Qwen...',
container=False)
# with gr.Column(scale=0.06, min_width=0):
# smt_bt = gr.Button('⏎')
with gr.Column(scale=1, min_width=0):
clr_bt = gr.Button('🧹', elem_classes='bt_small_font')
with gr.Column(scale=1, min_width=0):
stop_bt = gr.Button('🚫', elem_classes='bt_small_font')
with gr.Column(scale=1, min_width=0):
re_bt = gr.Button('🔁', elem_classes='bt_small_font')
txt_msg = txt.submit(add_text, [chatbot, txt], [chatbot, txt],
queue=False).then(bot, chatbot, chatbot)
txt_msg.then(lambda: gr.update(interactive=True), None, [txt], queue=False)
# txt_msg_bt = smt_bt.click(add_text, [chatbot, txt], [chatbot, txt],
# queue=False).then(bot, chatbot, chatbot)
# txt_msg_bt.then(lambda: gr.update(interactive=True),
# None, [txt],
# queue=False)
clr_bt.click(clear_session, None, chatbot, queue=False)
re_txt_msg = re_bt.click(rm_text, [chatbot], [chatbot, txt],
queue=False).then(bot, chatbot, chatbot)
re_txt_msg.then(lambda: gr.update(interactive=True),
None, [txt],
queue=False)
stop_bt.click(None, None, None, cancels=[txt_msg, re_txt_msg], queue=False)
demo.load(set_page_url).then(load_history_session, chatbot, chatbot)
demo.queue().launch(server_name=server_config.server.server_host,
server_port=server_config.server.app_in_browser_port)
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