def add_symbol_button_callback()

in src/backend/entrypoints/streamlit_frontend/state.py [0:0]

• 18 lines of code
• 10 McCabe index (conditional complexity)

def add_symbol_button_callback(symbol, exchange):
    provider = data_providers[st.session_state["data_provider"]]
    full_symbol = provider.build_ticker_for_lookup(symbol, exchange)
    special_symbols = ["/"]

    if (
        symbol
        and symbol[0].isdigit()
        or exchange
        and exchange[0].isdigit()
        or any([i in symbol for i in special_symbols])
        or any([i in exchange for i in special_symbols])
    ):
        full_symbol = '"' + full_symbol + '"'

    if st.session_state.tradable_symbols_prompt == "":
        st.session_state.tradable_symbols_prompt = st.session_state.tradable_symbols_prompt + full_symbol
    else:
        st.session_state.tradable_symbols_prompt = st.session_state.tradable_symbols_prompt + ", " + full_symbol

    st.session_state.add_ticker_buttons.append(True)