Class Handle

Lib/subprocess.py:221–238

    class Handle(int):
        closed = False

        def Close(self, CloseHandle=_winapi.CloseHandle):
            if not self.closed:
                self.closed = True
                CloseHandle(self)

        def Detach(self):
            if not self.closed:
                self.closed = True
                return int(self)
            raise ValueError("already closed")

        def __repr__(self):
            return "%s(%d)" % (self.__class__.__name__, int(self))

        __del__ = Close
else:
    # When select or poll has indicated that the file is writable,
    # we can write up to _PIPE_BUF bytes without risk of blocking.