import streamlit as st from PIL import Image def set_state_if_absent(key, value): if key not in st.session_state: st.session_state[key] = value def set_initial_state(): set_state_if_absent("top_k", "How many of the top posts would you like a summary for?") set_state_if_absent("result", None) set_state_if_absent("haystack_started", False) def reset_results(*args): st.session_state.result = None st.session_state.top_k = None def set_openai_api_key(api_key: str): st.session_state["HF_TGI_TOKEN"] = api_key def sidebar(): with st.sidebar: # image = Image.open('logo/haystack-logo-colored.png') st.markdown("Thanks for coming to this 🤗 Space.\n\n" "This is a project for fun, and is not a final product." " There's a lot that can be improved to make this app better.\n\n" "**Take results with a grain of** 🧂\n\n" "For more on how this was built, instructions to run locally and to contribute: [visit GitHub](https://github.com/TuanaCelik/hackernews-summaries#readme)") st.markdown( "## How to use\n" "1. Enter your Hugging Face Token below\n" "2. Select the number of summaries you want\n" "3. Enjoy 🤗\n" ) api_key_input = st.text_input( "Hugging Face Token", type="password", placeholder="Paste your Hugging Face TGI Token", help="You can get your API key from https://platform.openai.com/account/api-keys.", value=st.session_state.get("HF_TGI_TOKEN", ""), ) if api_key_input: set_openai_api_key(api_key_input) st.markdown("---") st.markdown( "## How this works\n" "This app was built with [Haystack 2.0-Beta](https://haystack.deepset.ai) using the" " [`HuggingFaceTGIGenerator`](https://docs.haystack.deepset.ai/v2.0/docs/hugginfacetgigenerator and [`PromptBuilder`](https://docs.haystack.deepset.ai/v2.0/docs/promptbuilder).\n\n" " The source code is also on [GitHub](https://github.com/TuanaCelik/hackernews-summaries)" " with instructions to run locally.\n" "You can see how the `PromptBuilder` was set up [here](https://github.com/TuanaCelik/hackernews-summaries/blob/main/utils/haystack.py)") st.markdown("---") st.markdown("Made by [tuanacelik](https://twitter.com/tuanacelik)")