问题描述

问题陈述：在GUI中嵌入用于Linux的终端仿真程序，并通过GUI组件向其提供自定义命令。

使用：

Python 3

GTK+3

Vte.get_Minor_Version()：58

Vte.get_MAJOR_VERSION()：0

Vte.get_MACRO_VERSION()：2

我一直在尝试在PyGtk应用程序(如PyCharm和VScode中的应用程序)中嵌入终端仿真器，并通过GTK GUI向其提供系统命令。我曾尝试VTE在按下按钮时使用Terminal.feed_Child()方法向其馈送命令，但无法正常工作。我尝试了以下示例：

from gi.repository import Gtk,GObject, Vte
#GObject is not required. I just import it everywhere just in case.
#Gtk, Vte, and GLib are required.
from gi.repository import GLib
import os
#os.environ['HOME'] helps to keep from hard coding the home string.
#os is not required unless you want that functionality.

class TheWindow(Gtk.Window):

    def __init__(self):
        Gtk.Window.__init__(self, title="inherited cell renderer")
        self.set_default_size(600, 300)
        global terminal
        terminal     = Vte.Terminal()
        terminal.spawn_sync(
                Vte.PtyFlags.DEFAULT, #default is fine
                os.environ['HOME'], #where to start the command?
                ["/bin/sh"], #where is the emulator?
                [], #it's ok to leave this list empty
                GLib.SpawnFlags.DO_NOT_REAP_CHILD,
                None, #at least None is required
                None,
                )
        #Set up a button to click and run a demo command
        self.button = Gtk.Button("Do The Command")
        #To get the command to automatically run
        #a newline(
) character is used at the end of the
        #command string.

        self.command = "echo "Sending this command to a virtual terminal."
"
        command = Gtk.Label("The command: "+self.command)
        self.button.connect("clicked", self.InputToTerm)
        #end demo command code

        #set up the interface
        box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        box.pack_start(self.button, False, True, 0)
        box.pack_start(command, False, True, 1)
        #a scroll window is required for the terminal
        scroller = Gtk.ScrolledWindow()
        scroller.set_hexpand(True)
        scroller.set_vexpand(True)
        scroller.add(terminal)
        box.pack_start(scroller, False, True, 2)
        self.add(box)

    def InputToTerm(self, clicker):
        #get the command when the button is clicked
        length = len(self.command)
        #A length is not required but is the easiest mechanism.
        #Otherwise the command must be null terminated.
        #Feed the command to the terminal.
        # terminal.feed_child(self.command, length )
        # terminal.feed_child(self.command)
        # command = "hello"
        terminal.feed_child(self.command)
        print(Vte.get_minor_version())
        os.system("suhelp")


win = TheWindow()
win.connect("delete-event", Gtk.main_quit)
win.show_all()
Gtk.main()```

this results in following error:
```File "......", line 59, in InputToTerm
    terminal.feed_child(self.command)
TypeError: Item 0: Must be number, not str

有人能帮我解决这个问题吗？

是否有其他方法可以解决问题陈述？

Python

Vte.Terminal.feed_child()在推荐答案中生成它的方式似乎有一个错误。如果将说明参数为int或None的Python documentation与C documentation进行比较，则可以看到差异。

我建议使用feed_child_binary()和bytes对象解决此问题，并将错误报告给PyGObject。

这篇关于如何在VScode和PyCharm这样的PyGtk应用中实现Linux终端？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持跟版网！