在单线程Python脚本中具有控制台

用重定向stdout/stderr的包装器重写push()方法 在转发到基服务器之前 (more,result)其中“more”表示InteractiveConsole是否 更多的投入,“结果”是什么交互式控制台.push()写信给 你的StringIO实例。

import sys
from cStringIO import StringIO
from code import InteractiveConsole
from contextlib import contextmanager

__all__ = ['Interpreter']


@contextmanager
def std_redirector(stdin=sys.stdin, stdout=sys.stdin, stderr=sys.stderr):
    """Temporarily redirect stdin/stdout/stderr"""

    tmp_fds = stdin, stdout, stderr
    orig_fds = sys.stdin, sys.stdout, sys.stderr
    sys.stdin, sys.stdout, sys.stderr = tmp_fds
    yield
    sys.stdin, sys.stdout, sys.stderr = orig_fds


class Interpreter(InteractiveConsole):
    """Remote-friendly InteractiveConsole subclass

    This class behaves just like InteractiveConsole, except that it
    returns all output as a string rather than emitting to stdout/stderr

    """
    banner = ("Python %s\n%s\n" % (sys.version, sys.platform) +
              'Type "help", "copyright", "credits" or "license" '
              'for more information.\n')

    ps1 = getattr(sys, "ps1", ">>> ")
    ps2 = getattr(sys, "ps2", "... ")


    def __init__(self, locals=None):
        InteractiveConsole.__init__(self, locals=locals)
        self.output = StringIO()
        self.output = StringIO()

    def push(self, command):
        """Return the result of executing `command`

        This function temporarily redirects stdout/stderr and then simply
        forwards to the base class's push() method.  It returns a 2-tuple
        (more, result) where `more` is a boolean indicating whether the
        interpreter expects more input [similar to the base class push()], and
        `result` is the captured output (if any) from running `command`.

        """
        self.output.reset()
        self.output.truncate()
        with std_redirector(stdout=self.output, stderr=self.output):
            try:
                more = InteractiveConsole.push(self, command)
                result = self.output.getvalue()
            except (SyntaxError, OverflowError):
                pass
            return more, result

查看这个完整的示例,它接受来自UDP套接字的输入:

• http://files.evadeflow.com/pyrrepl.zip

你看到了什么客户端.py应该和python的没有区别 常规交互式解释器,即使所有命令 往返于服务器.py进行评估。

应该能够适应你的情况,只要你相信 输入源。当有人键入以下内容时,事情变得“有趣”:

while True: continue

但这完全是另一个问题。。。:-)