init

main.py

@@ -0,0 +1,43 @@
+import os
+
+import streamlit as st
+
+from app.core import settings
+
+
+def select_file():
+    ...
+
+
+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'
+    with open(os.path.join(settings.BASE_DIR, 'pages', new_file_name), 'w') as f:
+        f.write('''
+#!/usr/bin/env python3
+# -*- coding:utf-8 -*-
+import streamlit as st
+st.write('Hello World!')
+''')
+
+
+with st.sidebar:
+    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']
+
+    option = st.selectbox(
+        'How would you like to be contacted?',
+        pages,
+        index=0,
+        format_func=lambda x: x['filename'],
+        on_change=select_file,
+        key='page_file'
+    )
+
+    st.write('You selected:', option)
+
+st.text_input('新建文件', on_change=new_file, key='new_file')