Files
bettafish-company/SingleEngineApp/media_engine_streamlit_app.py
T
2025-08-24 14:26:16 +08:00

210 lines
6.9 KiB
Python

"""
Streamlit Web界面
为Media Agent提供友好的Web界面
"""
import os
import sys
import streamlit as st
from datetime import datetime
import json
# 添加src目录到Python路径
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
from MediaEngine import DeepSearchAgent, Config
from config import DEEPSEEK_API_KEY, BOCHA_Web_Search_API_KEY, GEMINI_API_KEY
def main():
"""主函数"""
st.set_page_config(
page_title="Media Agent",
page_icon="🔍",
layout="wide"
)
st.title("Media Agent")
st.markdown("具备强大多模态能力的AI代理")
# 检查URL参数
try:
# 尝试使用新版本的query_params
query_params = st.query_params
auto_query = query_params.get('query', '')
auto_search = query_params.get('auto_search', 'false').lower() == 'true'
except AttributeError:
# 兼容旧版本
query_params = st.experimental_get_query_params()
auto_query = query_params.get('query', [''])[0]
auto_search = query_params.get('auto_search', ['false'])[0].lower() == 'true'
# ----- 配置被硬编码 -----
# 强制使用 Gemini
llm_provider = "gemini"
model_name = "gemini-2.5-pro"
# 默认高级配置
max_reflections = 2
max_content_length = 20000
# 简化的研究查询展示区域
st.header("研究查询")
# 如果有自动查询,使用它作为默认值,否则显示占位符
display_query = auto_query if auto_query else "等待从主页面接收搜索查询..."
# 只读的查询展示区域
st.text_area(
"当前查询",
value=display_query,
height=100,
disabled=True,
help="查询内容由主页面的搜索框控制"
)
# 自动搜索逻辑
start_research = False
query = auto_query
if auto_search and auto_query and 'auto_search_executed' not in st.session_state:
st.session_state.auto_search_executed = True
start_research = True
st.success(f"🚀 接收到搜索请求:{auto_query}")
st.info("正在启动研究...")
elif auto_query and not auto_search:
st.info(f"📝 当前查询:{auto_query}")
st.warning("等待搜索启动信号...")
# 验证配置
if start_research:
if not query.strip():
st.error("请输入研究查询")
return
# 由于强制使用Gemini,检查相关的API密钥
if not GEMINI_API_KEY:
st.error("请在您的配置文件(config.py)中设置GEMINI_API_KEY")
return
if not BOCHA_Web_Search_API_KEY:
st.error("请在您的配置文件(config.py)中设置BOCHA_Web_Search_API_KEY")
return
# 自动使用配置文件中的API密钥
gemini_key = GEMINI_API_KEY
bocha_key = BOCHA_Web_Search_API_KEY
# 创建配置
config = Config(
deepseek_api_key=None,
openai_api_key=None,
gemini_api_key=gemini_key,
bocha_api_key=bocha_key,
default_llm_provider=llm_provider,
deepseek_model="deepseek-chat", # 保留默认值以兼容
openai_model="gpt-4o-mini", # 保留默认值以兼容
gemini_model=model_name,
max_reflections=max_reflections,
max_content_length=max_content_length,
output_dir="media_engine_streamlit_reports"
)
# 执行研究
execute_research(query, config)
def execute_research(query: str, config: Config):
"""执行研究"""
try:
# 创建进度条
progress_bar = st.progress(0)
status_text = st.empty()
# 初始化Agent
status_text.text("正在初始化Agent...")
agent = DeepSearchAgent(config)
st.session_state.agent = agent
progress_bar.progress(10)
# 生成报告结构
status_text.text("正在生成报告结构...")
agent._generate_report_structure(query)
progress_bar.progress(20)
# 处理段落
total_paragraphs = len(agent.state.paragraphs)
for i in range(total_paragraphs):
status_text.text(f"正在处理段落 {i + 1}/{total_paragraphs}: {agent.state.paragraphs[i].title}")
# 初始搜索和总结
agent._initial_search_and_summary(i)
progress_value = 20 + (i + 0.5) / total_paragraphs * 60
progress_bar.progress(int(progress_value))
# 反思循环
agent._reflection_loop(i)
agent.state.paragraphs[i].research.mark_completed()
progress_value = 20 + (i + 1) / total_paragraphs * 60
progress_bar.progress(int(progress_value))
# 生成最终报告
status_text.text("正在生成最终报告...")
final_report = agent._generate_final_report()
progress_bar.progress(90)
# 保存报告
status_text.text("正在保存报告...")
agent._save_report(final_report)
progress_bar.progress(100)
status_text.text("研究完成!")
# 显示结果
display_results(agent, final_report)
except Exception as e:
st.error(f"研究过程中发生错误: {str(e)}")
def display_results(agent: DeepSearchAgent, final_report: str):
"""显示研究结果"""
st.header("研究结果")
# 结果标签页(已移除下载选项)
tab1, tab2 = st.tabs(["最终报告", "详细信息"])
with tab1:
st.markdown(final_report)
with tab2:
# 段落详情
st.subheader("段落详情")
for i, paragraph in enumerate(agent.state.paragraphs):
with st.expander(f"段落 {i + 1}: {paragraph.title}"):
st.write("**预期内容:**", paragraph.content)
st.write("**最终内容:**", paragraph.research.latest_summary[:300] + "..."
if len(paragraph.research.latest_summary) > 300
else paragraph.research.latest_summary)
st.write("**搜索次数:**", paragraph.research.get_search_count())
st.write("**反思次数:**", paragraph.research.reflection_iteration)
# 搜索历史
st.subheader("搜索历史")
all_searches = []
for paragraph in agent.state.paragraphs:
all_searches.extend(paragraph.research.search_history)
if all_searches:
for i, search in enumerate(all_searches):
with st.expander(f"搜索 {i + 1}: {search.query}"):
st.write("**URL:**", search.url)
st.write("**标题:**", search.title)
st.write("**内容预览:**",
search.content[:200] + "..." if len(search.content) > 200 else search.content)
if search.score:
st.write("**相关度评分:**", search.score)
if __name__ == "__main__":
main()