首页 > 解决方案 > 如何在 VScode 和 PyCharm 等 PyGtk 应用程序中实现 Linux 终端?

问题描述

问题陈述:在 GUI 中嵌入一个用于 linux 的终端仿真器,并通过 GUI 组件向它提供自定义命令。

使用:

蟒蛇 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 应用程序中嵌入终端仿真器(如 PyCharm 和 VScode 中的那些),并通过 Gtk GUI 为其提供系统命令。我尝试过 Vte 在按下按钮时使用 Terminal.feed_child() 方法提供命令,但无法使其工作。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(\n) character is used at the end of the
        #command string.

        self.command = "echo \"Sending this command to a virtual terminal.\"\n"
        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

有人可以帮我解决这个问题吗?

有没有解决问题陈述的替代方法?

标签: pythongtkterminal-emulatorvte

解决方案


Vte.Terminal.feed_child()在 Python 中如何生成它似乎有一个错误。如果您将说明参数 is的Python 文档C 文档进行比较,那么您可以看到差异。intNone

我建议通过使用feed_child_binary()一个bytes对象来解决这个问题,并将错误报告给 PyGObject。


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