在 sublime 中,为什么 def run 在一种情况下工作而不是另一种情况下工作,我该如何使它工作? [英] In sublime, why is def run working in one case and not another case, and how can I make it work?

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问题描述

我有一个类 blahtestCommand(sublime_plugin.ApplicationCommand) 运行,但失败了.

另一个类,我用 sublime_plugin.TextCommmand) 工作.

我对运行定义应该是什么样子感到有点困惑.我知道 java(10 年前做过一些 OOP 编程,我记得很清楚),但我对 python 知之甚少.(所以我不太了解一个带参数的类,因为它不在 Java 中,但我会做出一个弱的猜测,它有点像扩展"-继承-或实现").

我还试图确定 ST2 API 文档 中的内容告诉某人,当一个类具有 sublime_plugin.TextCommand 参数时,def 运行行应该看起来像这样 def run(self, edit) 而当一个类具有参数 sublime_plugin.ApplicationCommand def 运行应该看起来像 - 我不知道是什么.(所以这是一个更大的谜)

注意这里 view.run_('......')blahtest 类不起作用,它不会打印 'aaaaaaaa'

我在控制台中没有收到任何错误.插件-whatever.py 加载良好.因此,一个类运行方法运行,而另一个没有.blahtestCommand 确实加载.我可以在 def run 和 class blahtestCommand 之间放一条线来打印123456789",它会在我保存whatever.py后立即打印,因为它重新加载并且没有错误.只是当我执行 view.run_command('blahtest')

时没有调用它的 run 方法

import sublime, sublime_plugin类 blahtestCommand(sublime_plugin.ApplicationCommand):定义运行(自我):打印aaaaaaaaaa"class butthiswillworkCommand(sublime_plugin.TextCommand):def运行(自我,编辑):打印bbbb"

<块引用><预><代码>>>>view.run_command('blahtest')>>>view.run_command('butthiswillwork')bbbb

添加非常奇怪的运气,我设法让它为 WindowCommand 工作

window.run_command('saef4',{"string":"abcd"}), {"keys": ["ctrl+s", "ctrl+d"], "command": "saef4", "args": {"string": "abcd"} }类 saef4Command(sublime_plugin.WindowCommand):定义运行(自我,字符串):打印uabcccc"

关于在 sublime api 类中运行run",我将来可能会进一步更新这个问题.

解决方案

对于 #1,你是对的.在 Python 中,这意味着继承.派生类定义的语法类似于 class DerivedClass(BaseClassName):.

Python 中的继承

对于#2,Sublime Text 2 支持三种类型的命令.run 方法在您运行命令时被调用.除了必需的参数之外,您还可以为run 定义任意数量的参数.当您运行带有额外参数的命令时,您需要在映射中传递这些参数.

对于#3,如何运行:

示例 1:没有额外参数的命令

import sublime, sublime_plugin类 TestApplicationCommand(sublime_plugin.ApplicationCommand):定义运行(自我):打印(运行TestApplicationCommand")导入 sublime, sublime_plugin类 TestWindowCommand(sublime_plugin.WindowCommand):定义运行(自我):打印(运行测试窗口命令")导入 sublime, sublime_plugin类 TestTextCommand(sublime_plugin.TextCommand):def运行(自我,编辑):打印(运行测试文本命令")

运行这些命令:

<预><代码>>>>sublime.run_command('test_application')运行 TestApplicationCommand>>>window.run_command('test_window')运行测试窗口命令>>>view.run_command('test_text')运行 TestTextCommand

示例 2:带有额外参数的命令

import sublime, sublime_plugin类 TestApplicationCommand(sublime_plugin.ApplicationCommand):定义运行(自我,arg1,arg2):打印(运行TestApplicationCommand")打印(arg1:"+arg1)打印(arg2:"+ arg2)导入 sublime, sublime_plugin类 TestWindowCommand(sublime_plugin.WindowCommand):定义运行(自我,arg1,arg2):打印(运行测试窗口命令")打印(arg1:"+arg1)打印(arg2:"+arg2)导入 sublime, sublime_plugin类 TestTextCommand(sublime_plugin.TextCommand):def运行(自我,编辑,arg1,arg2):打印(运行测试文本命令")打印(arg1:"+arg1)打印(arg2:"+ arg2)

运行这些命令:

<预><代码>>>>sublime.run_command('test_application', {'arg1' : '1', 'arg2' : '2'})运行 TestApplicationCommand参数 1:1参数 2:2>>>window.run_command('test_window', {'arg1' : '1', 'arg2' : '2'})运行测试窗口命令参数 1:1参数 2:2>>>view.run_command('test_text', {'arg1' : '1', 'arg2' : '2'})运行 TestTextCommand参数 1:1参数 2:2

I have a class blahtestCommand(sublime_plugin.ApplicationCommand) with a run, it fails.

Another class, I have with sublime_plugin.TextCommmand) works.

I am a little bit baffled with what the run definition should look like. I know java(did some OOP programming 10 years ago which I remember well), but I know very little python. (so I don't quite get about a class taking a parameter, as it wasn't in java but i'd make a weak guess it's a bit like 'extends'-inheritance- or 'implements').

I'm also trying to determine what in the ST2 API documentation would tell somebody that when a class has parameter of sublime_plugin.TextCommand, that the def run line should look like this def run(self, edit) whereas when a class has parameter sublime_plugin.ApplicationCommand the def run should look like - I don't know what. (so that's an even bigger mystery)

Notice here the view.run_('......') doesn't work for class blahtest, it's not printing 'aaaaaaaa'

I get no errors at all in the console. The plugin - whatever.py is loading fine. Hence one class run method runs, though the other's doesn't. blahtestCommand does load. I can put a line between def run and class blahtestCommand to print "123456789" and it prints as soon as I save whatever.py 'cos it reloads and no errors. It's just its run method isn't getting called when I do view.run_command('blahtest')

import sublime, sublime_plugin

class blahtestCommand(sublime_plugin.ApplicationCommand):
    def run(self):
        print "aaaaaaaaaaa"

class butthiswillworkCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        print "bbbb"

>>> view.run_command('blahtest')
>>> view.run_command('butthiswillwork')
bbbb

added by complete weird luck I managed to get it working for WindowCommand

window.run_command('saef4',{"string":"abcd"})

, {"keys": ["ctrl+s", "ctrl+d"], "command": "saef4", "args": {"string": "abcd"} }

class saef4Command(sublime_plugin.WindowCommand): 
    def run(self,string):
        print "uabcccc"   

I might update this question further in future regarding running 'run' in the sublime api classes.

解决方案

For #1, you are right. In Python, this means inheritance. The syntax for a derived class definition looks like class DerivedClass(BaseClassName):.

Inheritance in Python

For #2, Sublime Text 2 supports three types of commands. The run method is invoked when you run a command. Besides the required parameter, you can define as many parameters as you want for run. When you run a command with extra parameters, you need to pass these parameters in a map.

For #3, how to run:

  • ApplicationCommand: sublime.run_command('application_command_name'). Check run_command function for sublime module in the API reference.
  • WindowCommand: window.run_command('window_command_name'). Check run_command method of sublime.Window.
  • TextCommand: view.run_command('text_command_name'). Check run_command method of sublime.View

Example 1: commands without extra parameters

import sublime, sublime_plugin

class TestApplicationCommand(sublime_plugin.ApplicationCommand):
    def run(self):
        print("running TestApplicationCommand")


import sublime, sublime_plugin

class TestWindowCommand(sublime_plugin.WindowCommand):
    def run(self):
        print("running TestWindowCommand")


import sublime, sublime_plugin

class TestTextCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        print("running TestTextCommand")

Run these commands:

>>> sublime.run_command('test_application')
running TestApplicationCommand
>>> window.run_command('test_window')
running TestWindowCommand
>>> view.run_command('test_text')
running TestTextCommand

Example 2: commands with extra parameters

import sublime, sublime_plugin

class TestApplicationCommand(sublime_plugin.ApplicationCommand):
    def run(self, arg1, arg2):
        print("running TestApplicationCommand")
        print("arg1: " + arg1)
        print("arg2: " + arg2)


import sublime, sublime_plugin

class TestWindowCommand(sublime_plugin.WindowCommand):
    def run(self, arg1, arg2):
        print("running TestWindowCommand")
        print("arg1: " + arg1)
        print("arg2: " + arg2)


import sublime, sublime_plugin

class TestTextCommand(sublime_plugin.TextCommand):
    def run(self, edit, arg1, arg2):
        print("running TestTextCommand")
        print("arg1: " + arg1)
        print("arg2: " + arg2)

Run these commands:

>>> sublime.run_command('test_application', {'arg1' : '1', 'arg2' : '2'})
running TestApplicationCommand
arg1: 1
arg2: 2
>>> window.run_command('test_window', {'arg1' : '1', 'arg2' : '2'})
running TestWindowCommand
arg1: 1
arg2: 2
>>> view.run_command('test_text', {'arg1' : '1', 'arg2' : '2'})
running TestTextCommand
arg1: 1
arg2: 2

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