A simple clipboard modification class with ctypes

Clipboard.py

from ctypes import *
class Clipboard:
    def __init__(self):
        self.strcpy = cdll.msvcrt.strcpy
        self.OpenClipboard = windll.user32.OpenClipboard
        self.CloseClipboard = windll.user32.CloseClipboard
        self.EmptyClipboard = windll.user32.EmptyClipboard
        self.GetClipboardData = windll.user32.GetClipboardData
        self.SetClipboardData = windll.user32.SetClipboardData
        self.GlobalAlloc = windll.kernel32.GlobalAlloc
        self.GlobalLock = windll.kernel32.GlobalLock
        self.GlobalUnlock = windll.kernel32.GlobalUnlock
        self.GMEM_DDESHARE = 0x2000
    def getClipboard(self):
        self.OpenClipboard(c_int(0))
        contents = c_char_p(self.GetClipboardData(c_int(1))).value
        self.CloseClipboard()
        return contents
    def emptyClipboard(self):
        self.OpenClipboard(c_int(0))
        self.EmptyClipboard()
        self.CloseClipboard()
    def setClipboard(self,data):
        self.OpenClipboard(c_int(0))
        self.EmptyClipboard()
        alloc = self.GlobalAlloc(self.GMEM_DDESHARE, len(bytes(data))+1)
        lock = self.GlobalLock(alloc)
        self.strcpy(c_char_p(lock),bytes(data))
        self.GlobalUnlock(alloc)
        self.SetClipboardData(c_int(1),alloc)
        self.CloseClipboard()