mirror of
https://github.com/python-pillow/Pillow.git
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99 lines
3.6 KiB
Python
99 lines
3.6 KiB
Python
import os
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import subprocess
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import sys
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import pytest
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from PIL import Image, ImageGrab
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from .helper import assert_image, assert_image_equal_tofile
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class TestImageGrab:
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@pytest.mark.skipif(
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sys.platform not in ("win32", "darwin"), reason="requires Windows or macOS"
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)
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def test_grab(self):
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for im in [
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ImageGrab.grab(),
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ImageGrab.grab(include_layered_windows=True),
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ImageGrab.grab(all_screens=True),
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]:
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assert_image(im, im.mode, im.size)
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im = ImageGrab.grab(bbox=(10, 20, 50, 80))
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assert_image(im, im.mode, (40, 60))
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@pytest.mark.skipif(not Image.core.HAVE_XCB, reason="requires XCB")
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def test_grab_x11(self):
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try:
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if sys.platform not in ("win32", "darwin"):
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im = ImageGrab.grab()
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assert_image(im, im.mode, im.size)
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im2 = ImageGrab.grab(xdisplay="")
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assert_image(im2, im2.mode, im2.size)
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except OSError as e:
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pytest.skip(str(e))
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@pytest.mark.skipif(Image.core.HAVE_XCB, reason="tests missing XCB")
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def test_grab_no_xcb(self):
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if sys.platform not in ("win32", "darwin"):
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with pytest.raises(OSError) as e:
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ImageGrab.grab()
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assert str(e.value).startswith("Pillow was built without XCB support")
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with pytest.raises(OSError) as e:
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ImageGrab.grab(xdisplay="")
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assert str(e.value).startswith("Pillow was built without XCB support")
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@pytest.mark.skipif(not Image.core.HAVE_XCB, reason="requires XCB")
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def test_grab_invalid_xdisplay(self):
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with pytest.raises(OSError) as e:
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ImageGrab.grab(xdisplay="error.test:0.0")
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assert str(e.value).startswith("X connection failed")
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def test_grabclipboard(self):
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if sys.platform == "darwin":
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subprocess.call(["screencapture", "-cx"])
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elif sys.platform == "win32":
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p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE)
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p.stdin.write(
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b"""[Reflection.Assembly]::LoadWithPartialName("System.Drawing")
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[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
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$bmp = New-Object Drawing.Bitmap 200, 200
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[Windows.Forms.Clipboard]::SetImage($bmp)"""
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)
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p.communicate()
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else:
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with pytest.raises(NotImplementedError) as e:
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ImageGrab.grabclipboard()
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assert str(e.value) == "ImageGrab.grabclipboard() is macOS and Windows only"
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return
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im = ImageGrab.grabclipboard()
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assert_image(im, im.mode, im.size)
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@pytest.mark.skipif(sys.platform != "win32", reason="Windows only")
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def test_grabclipboard_file(self):
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p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE)
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p.stdin.write(rb'Set-Clipboard -Path "Tests\images\hopper.gif"')
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p.communicate()
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im = ImageGrab.grabclipboard()
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assert len(im) == 1
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assert os.path.samefile(im[0], "Tests/images/hopper.gif")
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@pytest.mark.skipif(sys.platform != "win32", reason="Windows only")
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def test_grabclipboard_png(self):
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p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE)
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p.stdin.write(
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rb"""$bytes = [System.IO.File]::ReadAllBytes("Tests\images\hopper.png")
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$ms = new-object System.IO.MemoryStream(, $bytes)
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[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
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[Windows.Forms.Clipboard]::SetData("PNG", $ms)"""
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)
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p.communicate()
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im = ImageGrab.grabclipboard()
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assert_image_equal_tofile(im, "Tests/images/hopper.png")
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