Function _mpa_v1

lib/streamlit/runtime/scriptrunner/script_runner.py:132–171

(main_script_path: str)

# function will be called to run the script in lieu of the main script. This
# function simulates the v1 setup using the modern v2 commands (st.navigation)
def _mpa_v1(main_script_path: str) -> None:
    from pathlib import Path

    from streamlit.commands.navigation import PageType, _navigation
    from streamlit.navigation.page import StreamlitPage

    # Select the folder that should be used for the pages:
    resolved_main_script_path: Final = Path(main_script_path).resolve()
    pages_folder: Final = resolved_main_script_path.parent / "pages"

    # Read out the my_pages folder and create a page for every script:
    pages = sorted(
        [
            page
            for page in pages_folder.glob("*.py")
            if page.name.endswith(".py")
            and not page.name.startswith(".")
            and page.name != "__init__.py"
        ],
        key=page_sort_key,
    )

    # Use this script as the main page and
    main_page = StreamlitPage(resolved_main_script_path, default=True)
    all_pages = [main_page] + [
        StreamlitPage(pages_folder / page.name) for page in pages
    ]
    # Initialize the navigation with all the pages:
    position: Literal["sidebar", "hidden", "top"] = (
        "hidden"
        if config.get_option("client.showSidebarNavigation") is False
        else "sidebar"
    )
    page = _navigation(
        cast("list[PageType]", all_pages),
        position=position,
        expanded=False,
    )

    page.run()


class ScriptRunner: