def get_ref_id()

in rostran/handlers/resource.py [0:0]

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

def get_ref_id(name, value, reason):
    ref_id = None
    if (
        isinstance(value, dict)
        and len(value) == 1
        and ("Ref" in value or "Fn::GetAtt" in value)
    ):
        if "Ref" in value:
            ref_id = value["Ref"]
            if not isinstance(ref_id, str):
                typer.secho(
                    f"The Ref value type of {name} needs to be a string.", fg="yellow"
                )
        else:
            get_att = value["Fn::GetAtt"]
            if not isinstance(get_att, list):
                typer.secho(
                    f"The Fn::GetAtt value type of {name} needs to be a list.",
                    fg="yellow",
                )
            elif len(get_att) != 2:
                typer.secho(
                    f"The Fn::GetAtt value of {name} needs to be a list of length 2.",
                    fg="yellow",
                )
            elif not isinstance(get_att[0], str):
                typer.secho(
                    f"The first element of Fn::GetAtt value of {name} needs to be a string",
                    fg="yellow",
                )
            else:
                ref_id = get_att[0]
    else:
        typer.secho(reason, fg="yellow")
    return ref_id