cleo_cli_greet_command_with_uppercase_option.py

1from cleo.commands.command import Command
2from cleo.helpers import argument, option
3from cleo.application import Application
4
5
6class GreetCommand(Command):
7    name = "greet"
8    description = "Greets someone"
9    arguments = [
10        argument(
11            "name",
12            description="Who do you want to greet?",
13            optional=True,
14            default="World",
15        )
16    ]
17    options = [
18        option(
19            "yell",
20            "y",
21            description="If set, the task will yell in uppercase letters",
22            flag=True,
23        )
24    ]
25
26    def handle(self):
27        name = self.argument("name")
28        text = f"Hello {name}"
29
30        if self.option("yell"):
31            text = text.upper()
32
33        self.line(text)
34
35
36application = Application()
37application.add(GreetCommand())
38
39if __name__ == "__main__":
40    application.run()