Question

此问题始于here。但随着我对托尔的了解越来越多，我发生了很大的变化。

我正在尝试创建一个带有参数的Thor :: Group子命令。奇怪的是，如果没有参数，它就有效。

我可以使用Thor :: Group作为子命令吗？

当我输入foo counter

时，此功能正常

富/仓/富

module Foo
  class CLI < Thor
    register(Counter, 'counter', 'counter', 'Count up from the 1.')
  end

  class Counter < Thor::Group
    desc "Prints 1 2"

    def one
      puts 1
    end

    def two
      puts 2
    end

  end

end

Foo::CLI.start

但是当我输入foo counter 5

时，这不起作用

module Foo
  class CLI < Thor
    register(Counter, 'counter', 'counter <number>', 'Count up from the input.')
  end

  class Counter < Thor::Group
    argument :number, :type => :numeric, :desc => "The number to start counting"
    desc "Prints 2 numbers based on input"

    def one
      puts number + 0
    end

    def two
      puts number + 1
    end

  end


end

Foo::CLI.start

它回复：counter was called incorrectly. Call as foo counter number

Answer 1

我有一个解决方案。而不是使用Thor :: Group我正在使用Invocations

bin / foo看起来像这样：

#!/usr/bin/env ruby

require 'foo'

Foo::CLI.start

lib / cli.rb - 将'generate'注册为基本命令的子任务，foo：

module Foo
  class CLI < Thor
    register(Generate, 'generate', 'generate [something]', 'Type foo generate for more help.')
  end
end

lib / generate.rb如下所示：

module Foo

  class Generate < Thor

    desc "project [name]", "Prints the project making step"
    def project(name)
      puts "making first project file #{name}"
      invoke :config
      invoke :project_sub
    end

    desc "config [name]", "Prints the config making step"
    def config(name)
      puts "making first config file #{name}"
      invoke :project_sub
    end

    desc "project_sub [name]", "Prints the project_sub making step"
    def project_sub(name)
      puts "making subsystem file #{name}"
    end

    def self.banner(task, namespace = false, subcommand = true)
       task.formatted_usage(self, true, subcommand).split(':').join(' ')
    end

  end

end

现在我可以输入：foo generate project fred

它将输出：

> making first project file fred
> making first config file fred
> making subsystem file fred

注意横幅覆盖。这意味着键入：foo generate project包含无效或缺少的args将提供正确的帮助消息：

"project" was called incorrectly. Call as "foo generate project [name]".

而不是

"project" was called incorrectly. Call as "foo project [name]".

如何将Thor :: Group注册为带参数的子命令

1 个答案: