update name

Home.py

@@ -0,0 +1,94 @@
+import os
+
+import streamlit as st
+from loguru import logger
+
+st.set_page_config(
+    page_title="Leo's Demo App",
+    page_icon="🧊",
+    layout="wide",
+    initial_sidebar_state="expanded",
+)
+
+
+@st.cache_resource
+def get_settings():
+    from app.core import settings
+    return settings
+
+
+settings = get_settings()
+pages = os.listdir(os.path.join(settings.BASE_DIR, 'pages'))
+pages = [{
+    'filename': page,
+    'filepath': os.path.join(settings.BASE_DIR, 'pages', page)
+} for page in pages if page.endswith('.py') and page != '__init__.py']
+pages.sort(key=lambda x: x['filename'])
+
+
+def open_selected_file():
+    with open(st.session_state.page_file['filepath'], 'r', encoding='utf-8') as f:
+        st.session_state.file_content = f.read().strip()
+        st.session_state.file_lines = st.session_state.file_content.splitlines()
+
+
+def save_file_content():
+    with open(st.session_state.page_file['filepath'], 'w', encoding='utf-8') as f:
+        logger.debug(f"save: <\n{st.session_state.file_content}\n>to file {st.session_state.page_file['filepath']}")
+        f.write(st.session_state.file_content)
+        st.toast('保存成功!', icon='🎉')
+
+
+def new_file():
+    new_file_name = st.session_state.new_file
+    if not new_file_name.endswith('.py'):
+        new_file_name = f'{new_file_name}.py'
+    logger.debug(f"create new file: {new_file_name}")
+
+    content = '''
+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-
+import streamlit as st
+{add_content}
+st.write('Hello World!')
+'''
+    with open(os.path.join(settings.BASE_DIR, 'pages', new_file_name), 'w') as f:
+        content = content.format(add_content=f"""st.markdown("# {st.session_state.new_file}")""").strip()
+        st.write(f"create new file: {new_file_name}, write: ")
+        st.code(content, language='python')
+        f.write(content)
+
+
+with st.sidebar:
+    st.selectbox(
+        '选择要配置的文件',
+        pages,
+        index=0,
+        format_func=lambda x: x['filename'],
+        on_change=open_selected_file,
+        key='page_file'
+    )
+    st.write('You selected:', st.session_state.page_file)
+    st.divider()
+    st.text_input('新建文件', on_change=new_file, key='new_file')
+
+if 'file_content' not in st.session_state:
+    open_selected_file()
+
+st.write(f'# 当前文件: `{st.session_state.page_file["filename"]}`')
+col1, col2 = st.columns(2)
+
+with col1:
+    st.write('### 代码高亮展示')
+    st.code(st.session_state.file_content, line_numbers=True)
+
+with col2:
+    st.write('### 内容编辑区')
+    st.text_area(
+        key='file_content',
+        label_visibility='collapsed',
+        label='Text to analyze',
+        on_change=save_file_content,
+        value=st.session_state.file_content,
+        height=50 + 22 * len(st.session_state.file_lines),
+    )