Write image to Windows clipboard in python with PIL and win32clipboard

import win32clipboard
from PIL import Image

def send_to_clipboard(clip_type, data):
    win32clipboard.OpenClipboard()
    win32clipboard.EmptyClipboard()
    win32clipboard.SetClipboardData(clip_type, data)
    win32clipboard.CloseClipboard()

clip_type = win32clipboard.CF_BITMAP
filepath = 'c:\temp\image.jpg'

im = Image.open(filepath)
data = im.tobitmap() # fails with valueerror: not a bitmap
# data = im.tostring() runs, but receiving programs can't read the results
send_to_clipboard(clip_type, data)

from cStringIO import StringIO
import win32clipboard
from PIL import Image

def send_to_clipboard(clip_type, data):
    win32clipboard.OpenClipboard()
    win32clipboard.EmptyClipboard()
    win32clipboard.SetClipboardData(clip_type, data)
    win32clipboard.CloseClipboard()

filepath = 'image.jpg'
image = Image.open(filepath)

output = StringIO()
image.convert("RGB").save(output, "BMP")
data = output.getvalue()[14:]
output.close()

send_to_clipboard(win32clipboard.CF_DIB, data)