Grant Skill Points

class CmdGrantSP(Command):
    key = '@grant-sp'
    '''
    Usage: @grant-sp <person> <number> <skillset>
    '''
    def parse(self):
        caller = self.caller
        args = self.args.lstrip()
        try:
            self.person, self.number, self.skillset = args.split(" ", 2)
        except ValueError:
            caller.msg("Requires 3 arguments. Usage: @grant-sp <person> <number> <skillset>")
            raise InterruptCommand

        self.char = caller.search(self.person)
        if not self.char:
            raise InterruptCommand

        try:
            self.number = int(self.number)
        except ValueError:
            caller.msg("The number must be an integer.")
            raise InterruptCommand
        print(f"Viable Skillsets: {skillsets.VIABLE_SKILLSETS}")
        if self.skillset not in skillsets.VIABLE_SKILLSETS:
            caller.msg(f"{self.skillset} is not a viable skillset!")
            raise InterruptCommand

    def func(self):
        caller = self.caller
        char = self.char
        num = self.number
        skillset = self.skillset
        skillset = char.attributes.get(skillset)
        skillset['total_sp'] += num
        caller.msg(f'Granted {char} {num} skillpoints in {self.skillset}.')