show_server_banner() — flask Function Reference

Architecture documentation for the show_server_banner() function in cli.py from the flask codebase.

Function python ApplicationCore Scaffolding called by 1

Entity Profile

ApplicationCore→ Scaffolding→ show_server_banner() — flask Function Reference

Dependency Diagram

graph TD
  6c622a4d_f232_2fcf_ef52_d2fd24dc70b7["show_server_banner()"]
  a96499c3_f8a9_e782_f156_1c1ee4a86c69["cli.py"]
  6c622a4d_f232_2fcf_ef52_d2fd24dc70b7 -->|defined in| a96499c3_f8a9_e782_f156_1c1ee4a86c69
  112697fd_abe3_7738_1bc4_8f3d27bbbb68["run_command()"]
  112697fd_abe3_7738_1bc4_8f3d27bbbb68 -->|calls| 6c622a4d_f232_2fcf_ef52_d2fd24dc70b7
  style 6c622a4d_f232_2fcf_ef52_d2fd24dc70b7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/flask/cli.py lines 766–777

def show_server_banner(debug: bool, app_import_path: str | None) -> None:
    """Show extra startup messages the first time the server is run,
    ignoring the reloader.
    """
    if is_running_from_reloader():
        return

    if app_import_path is not None:
        click.echo(f" * Serving Flask app '{app_import_path}'")

    if debug is not None:
        click.echo(f" * Debug mode: {'on' if debug else 'off'}")