Pillow/PIL/ImageGrab.py

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#
# The Python Imaging Library
# $Id$
#
# screen grabber (windows only)
#
# History:
# 2001-04-26 fl created
# 2001-09-17 fl use builtin driver, if present
# 2002-11-19 fl added grabclipboard support
#
# Copyright (c) 2001-2002 by Secret Labs AB
# Copyright (c) 2001-2002 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
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from PIL import Image
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import sys
if sys.platform not in ["win32", "darwin"]:
raise ImportError("ImageGrab is OS X and Windows only")
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if sys.platform == "win32":
try:
# built-in driver (1.1.3 and later)
grabber = Image.core.grabscreen
except AttributeError:
# stand-alone driver (pil plus)
import _grabscreen
grabber = _grabscreen.grab
elif sys.platform == "darwin":
import os
import tempfile
import subprocess
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def grab(bbox=None):
if sys.platform == "darwin":
f, file = tempfile.mkstemp('.png')
os.close(f)
subprocess.call(['screencapture', '-x', file])
im = Image.open(file)
im.load()
os.unlink(file)
else:
size, data = grabber()
im = Image.frombytes(
"RGB", size, data,
# RGB, 32-bit line padding, origo in lower left corner
"raw", "BGR", (size[0]*3 + 3) & -4, -1
)
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if bbox:
im = im.crop(bbox)
return im
def grabclipboard():
if sys.platform == "darwin":
raise NotImplementedError("Method is not implemented on OS X")
debug = 0 # temporary interface
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data = Image.core.grabclipboard(debug)
if isinstance(data, bytes):
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from PIL import BmpImagePlugin
import io
return BmpImagePlugin.DibImageFile(io.BytesIO(data))
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return data