Python 如何从一个脚本打开两个控制台
除了脚本自己的控制台（什么也不做）之外，我想打开两个控制台，在不同的控制台中打印变量Python 如何从一个脚本打开两个控制台,python,python-2.7,Python,Python 2.7,除了脚本自己的控制台（什么也不做）之外，我想打开两个控制台，在不同的控制台中打印变量con1和con2，我如何实现这一点 con1 = 'This is Console1' con2 = 'This is Console2' 我不知道如何实现这一点，花了几个小时尝试使用子流程等模块来实现，但运气不佳。顺便说一下，我在窗户上 编辑： threading模块会完成这项工作吗？还是需要多处理 例如： 你知道screen/tmux吗 怎么样？例如，您可以尝试在拆分窗格中运行cat，并使用“sendk
con1con2con1 = 'This is Console1'
con2 = 'This is Console2'
子流程编辑：
threading多处理你知道screen/tmux吗 怎么样？例如，您可以尝试在拆分窗格中运行
catfrom Tkinter import *
import threading
class FakeConsole(Frame):
def __init__(self, root, *args, **kargs):
Frame.__init__(self, root, *args, **kargs)
#white text on black background,
#for extra versimilitude
self.text = Text(self, bg="black", fg="white")
self.text.pack()
#list of things not yet printed
self.printQueue = []
#one thread will be adding to the print queue,
#and another will be iterating through it.
#better make sure one doesn't interfere with the other.
self.printQueueLock = threading.Lock()
self.after(5, self.on_idle)
#check for new messages every five milliseconds
def on_idle(self):
with self.printQueueLock:
for msg in self.printQueue:
self.text.insert(END, msg)
self.text.see(END)
self.printQueue = []
self.after(5, self.on_idle)
#print msg to the console
def show(self, msg, sep="\n"):
with self.printQueueLock:
self.printQueue.append(str(msg) + sep)
#warning! Calling this more than once per program is a bad idea.
#Tkinter throws a fit when two roots each have a mainloop in different threads.
def makeConsoles(amount):
root = Tk()
consoles = [FakeConsole(root) for n in range(amount)]
for c in consoles:
c.pack()
threading.Thread(target=root.mainloop).start()
return consoles
a,b = makeConsoles(2)
a.show("This is Console 1")
b.show("This is Console 2")
a.show("I've got a lovely bunch of cocounts")
a.show("Here they are standing in a row")
b.show("Lorem ipsum dolor sit amet")
b.show("consectetur adipisicing elit")
子流程#!/usr/bin/env python3
import sys
import time
from subprocess import Popen, PIPE, CREATE_NEW_CONSOLE
messages = 'This is Console1', 'This is Console2'
# open new consoles
processes = [Popen([sys.executable, "-c", """import sys
for line in sys.stdin: # poor man's `cat`
sys.stdout.write(line)
sys.stdout.flush()
"""],
stdin=PIPE, bufsize=1, universal_newlines=True,
# assume the parent script is started from a console itself e.g.,
# this code is _not_ run as a *.pyw file
creationflags=CREATE_NEW_CONSOLE)
for _ in range(len(messages))]
# display messages
for proc, msg in zip(processes, messages):
proc.stdin.write(msg + "\n")
proc.stdin.flush()
time.sleep(10) # keep the windows open for a while
# close windows
for proc in processes:
proc.communicate("bye\n")
CREATE\u NEW\u控制台#!/usr/bin/env python
"""Show messages in two new console windows simultaneously."""
import sys
import platform
from subprocess import Popen
messages = 'This is Console1', 'This is Console2'
# define a command that starts new terminal
if platform.system() == "Windows":
new_window_command = "cmd.exe /c start".split()
else: #XXX this can be made more portable
new_window_command = "x-terminal-emulator -e".split()
# open new consoles, display messages
echo = [sys.executable, "-c",
"import sys; print(sys.argv[1]); input('Press Enter..')"]
processes = [Popen(new_window_command + echo + [msg]) for msg in messages]
# wait for the windows to be closed
for proc in processes:
proc.wait()
我不知道它是否适合您，但您可以使用Windows
startfrom subprocess import Popen
p1 = Popen('start c:\python27\python.exe', shell=True)
p2 = Popen('start c:\python27\python.exe', shell=True)
但我不知道如何在Windows上创建命名管道。Windows API。。。（自填）。
pymuxtmux我使用了jfs的回应。以下是我对jfs回应的修饰/窃取。 这是为在Win10上运行而定制的，还可以处理Unicode：
# https://stackoverflow.com/questions/19479504/how-can-i-open-two-consoles-from-a-single-script
import sys, time, os, locale
from subprocess import Popen, PIPE, CREATE_NEW_CONSOLE
class console(Popen) :
NumConsoles = 0
def __init__(self, color=None, title=None):
console.NumConsoles += 1
cmd = "import sys, os, locale"
cmd += "\nos.system(\'color " + color + "\')" if color is not None else ""
title = title if title is not None else "console #" + str(console.NumConsoles)
cmd += "\nos.system(\"title " + title + "\")"
# poor man's `cat`
cmd += """
print(sys.stdout.encoding, locale.getpreferredencoding() )
endcoding = locale.getpreferredencoding()
for line in sys.stdin:
sys.stdout.buffer.write(line.encode(endcoding))
sys.stdout.flush()
"""
cmd = sys.executable, "-c", cmd
# print(cmd, end="", flush=True)
super().__init__(cmd, stdin=PIPE, bufsize=1, universal_newlines=True, creationflags=CREATE_NEW_CONSOLE, encoding='utf-8')
def write(self, msg):
self.stdin.write(msg + "\n" )
if __name__ == "__main__":
myConsole = console(color="c0", title="test error console")
myConsole.write("Thank you jfs. Cool explanation")
NoTitle= console()
NoTitle.write("default color and title! This answer uses Windows 10")
NoTitle.write(u"♥♥♥♥♥♥♥♥")
NoTitle.write("♥")
time.sleep(5)
myConsole.terminate()
NoTitle.write("some more text. Run this at the python console.")
time.sleep(4)
NoTitle.terminate()
time.sleep(5)
如果您在windows上，则可以使用Win32 console模块为线程或子进程输出打开第二个控制台。如果您在windows上，这是最简单、最容易的方法 下面是一个示例代码：
import win32console
import multiprocessing
def subprocess(queue):
win32console.FreeConsole() #Frees subprocess from using main console
win32console.AllocConsole() #Creates new console and all input and output of subprocess goes to this new console
while True:
print(queue.get())
#prints any output produced by main script passed to subprocess using queue
queue = multiprocessing.Queue()
multiprocessing.Process(Target=subprocess, args=[queue]).start()
while True:
print("Hello World")
#and whatever else you want to do in ur main process
这是一个只有一个控制台。它确实是可能的。您可以有一个脚本作为一个新的子进程启动，或者您可以获得一个本机库。但你肯定能做到。这可能会有帮助：（可能重复）我不理解你的编辑。我看不出子流程不符合您的要求的任何原因。为什么它不显示任何文本？@KDawG：我已经在Python 3.3 windows 8上测试过了。它的工作原理是这样的：两个控制台弹出消息，它们在10秒内关闭。在Python 2.7Windows 7用户界面上，代码应该可以正常工作，无需更改。当我运行这个程序时，两个控制台窗口在屏幕上闪烁并快速关闭。十秒钟后，我得到了
OSError:[Errno 22]无效参数py_script.py