我正在尝试在pyqt中开发一个“控制台”。与所有控制台都位于xterm.js相似,它是前端,它不会产生任何子进程,它只是一个I / O,供我稍后插入所需的任何内容。
我可以使用任何现有的python软件包或简单的小部件来让我在pyqt应用程序中放置类似终端的界面吗?
它是一个客户端服务器应用程序,因此该终端用于将命令发送到后端服务器,并像对待bash shell一样检索输出
答案 0 :(得分:2)
您可以使用QTermWidget(如果无法安装,并且正在使用ubuntu,则可以选中this answer)。
例如,允许通过套接字远程访问外壳的官方RemoteTerm example的翻译如下:
terminal.py
import os
import sys
from PyQt5 import QtCore, QtWidgets, QtNetwork
import QTermWidget
class RemoteTerm(QTermWidget.QTermWidget):
def __init__(self, ipaddr, port, parent=None):
super().__init__(0, parent)
self.socket = QtNetwork.QTcpSocket(self)
self.socket.error.connect(self.atError)
self.socket.readyRead.connect(self.on_readyRead)
self.sendData.connect(self.socket.write)
self.startTerminalTeletype()
self.socket.connectToHost(ipaddr, port)
@QtCore.pyqtSlot()
def on_readyRead(self):
data = self.socket.readAll().data()
os.write(self.getPtySlaveFd(), data)
@QtCore.pyqtSlot()
def atError(self):
print(self.socket.errorString())
if __name__ == "__main__":
app = QtWidgets.QApplication(sys.argv)
QtCore.QCoreApplication.setApplicationName("QTermWidget Test")
QtCore.QCoreApplication.setApplicationVersion("1.0")
parser = QtCore.QCommandLineParser()
parser.addHelpOption()
parser.addVersionOption()
parser.setApplicationDescription(
"Example(client-side) for remote terminal of QTermWidget"
)
parser.addPositionalArgument("ipaddr", "adrress of host")
parser.addPositionalArgument("port", "port of host")
parser.process(QtCore.QCoreApplication.arguments())
requiredArguments = parser.positionalArguments()
if len(requiredArguments) != 2:
parser.showHelp(1)
sys.exit(-1)
address, port = requiredArguments
w = RemoteTerm(QtNetwork.QHostAddress(address), int(port))
w.resize(640, 480)
w.show()
sys.exit(app.exec_())
shell-srv.py
#!/usr/bin/env python
import sys
import os
import socket
import pty
def usage(program):
print("Example(server-side) for remote terminal of QTermWidget.")
print("Usage: %s ipaddr port" % program)
def main():
if len(sys.argv) != 3:
usage(sys.argv[0])
sys.exit(1)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
s.bind((sys.argv[1], int(sys.argv[2])))
s.listen(0)
print("[+]Start Server.")
except Exception as e:
print("[-]Error Happened: %s" % e.message)
sys.exit(2)
while True:
c = s.accept()
os.dup2(c[0].fileno(), 0)
os.dup2(c[0].fileno(), 1)
os.dup2(c[0].fileno(), 2)
# It's important to use pty to spawn the shell.
pty.spawn("/bin/sh")
c[0].close()
if __name__ == "__main__":
main()