| """Frameworks for running multiple Streamlit applications as a single app. | |
| """ | |
| import streamlit as st | |
| from PIL import Image | |
| from streamlit_option_menu import option_menu | |
| from utils.uploadAndExample import add_upload | |
| class MultiApp: | |
| """Framework for combining multiple streamlit applications. | |
| Usage: | |
| def foo(): | |
| st.title("Hello Foo") | |
| def bar(): | |
| st.title("Hello Bar") | |
| app = MultiApp() | |
| app.add_app("Foo", foo) | |
| app.add_app("Bar", bar) | |
| app.run() | |
| It is also possible keep each application in a separate file. | |
| import foo | |
| import bar | |
| app = MultiApp() | |
| app.add_app("Foo", foo.app) | |
| app.add_app("Bar", bar.app) | |
| app.run() | |
| """ | |
| def __init__(self): | |
| self.apps = [] | |
| def add_app(self,title,icon, func): | |
| """Adds a new application. | |
| Parameters | |
| ---------- | |
| func: | |
| the python function to render this app. | |
| title: | |
| title of the app. Appears in the dropdown in the sidebar. | |
| """ | |
| self.apps.append({ | |
| "title": title, | |
| "icon": icon, | |
| "function": func | |
| }) | |
| def run(self): | |
| st.sidebar.write(format_func=lambda app: app['title']) | |
| image = Image.open('docStore/img/giz_sdsn_small.jpg') | |
| st.sidebar.image(image, width =200) | |
| with st.sidebar: | |
| selected = option_menu(None, [page["title"] for page in self.apps], | |
| icons=[page["icon"] for page in self.apps], | |
| menu_icon="cast", default_index=0) | |
| st.markdown("---") | |
| for index, item in enumerate(self.apps): | |
| if item["title"] == selected: | |
| self.apps[index]["function"]() | |
| break | |
| choice = st.sidebar.radio(label = 'Select the Document', | |
| help = 'You can upload the document \ | |
| or else you can try a example document', | |
| options = ('Upload Document', 'Try Example'), | |
| horizontal = True) | |
| add_upload(choice) | |