Modern Python Standard Library Cookbook

How to do it...

The steps for this recipe are as follows:

1. The cmd.Cmd class allows us to start interactive shells and implement commands based on them:

EMAILS = [
    {'sender': '[e-mail]', 'subject': 'First email', 
     'body': 'This is my first email'},
    {'sender': '[e-mail]', 'subject': 'Second email', 
     'body': 'This is my second email'},
]

import cmd
import shlex

class MyMail(cmd.Cmd):
    intro = 'Simple interactive email client.'
    prompt = 'mymail> '

    def __init__(self, *args, **kwargs):
        super(MyMail, self).__init__(*args, **kwargs)
        self.selected_email = None

    def do_list(self, line):
        """list

        List emails currently in the Inbox"""
        for idx, email in enumerate(EMAILS):
            print('[{idx}] From: {e[sender]} -  {e[subject]}'.format( idx=idx, ...