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path: root/lib/app.py
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from classes import PersonalError, r, clear, YELLOW, BLACK, GREY
from commands import Commands
from listcommands import ListCommands

class Stout(Commands):

    def __init__(self):
        self.name = u'\U0001F37A' #berr icon
        self.user = Stout.username()

    def getName(self):
        word = ' (' + self.name + ' ) '
        if self.user == '':
            return word
        else:
            return word + GREY + '(' + self.user + ') '

    @staticmethod
    def username():
        """
        if users exists, return username, else return an empty string
        """
        if r.get('user') is not None:
            return r.get('user').decode('utf-8') #default is a byte
        else:
            return ''

    def action(self, cmd):
        """
        if cmd is empty, do nothing.
        if length of cmd is less than 3 and the first word isn't in list of commands, the command is INFO
        else execute command into ListCommands.commands (<- list)
        """
        if cmd is None:
            return None
        else:
            cmd = cmd.split()
            count = len(cmd)

            if (count == 1 or count == 2) and cmd[0] not in ListCommands.commands:
                try:
                    if cmd[0] == 'info' and count == 1: #general info
                        print(ListCommands.info['info'])
                    elif cmd[0] == 'info' and count == 2: #info of a command
                        print(ListCommands.info[cmd[1]][0])
                    else:
                        raise KeyError
                except (KeyError, IndexError):
                    ListCommands.err('keyword')
            else:
                try:
                    what = cmd[0]
                    if what in ListCommands.commands:
                        self.command(what, cmd)
                    else:
                        ListCommands.err('keyword')
                except IndexError:
                   pass

if __name__ == '__main__':

    clear()
    app = Stout()
    cmd = ''
    while cmd != 'quit':
        try:
            cmd = input('>' + YELLOW  + app.getName() + BLACK)
        except (EOFError, KeyboardInterrupt):
            break

        app.action(cmd)
        r.save()