mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-25 17:36:18 +03:00
Merge pull request #2009 from uploadcare/fix-cffi-tests
Retain a reference to core image object in PyAccess
This commit is contained in:
wiredfool
GitHub
commit
5514df3ed1
|
|
@ -54,6 +54,9 @@ class PyAccess(object):
|
|||
self.xsize = vals['xsize']
|
||||
self.ysize = vals['ysize']
|
||||
|
||||
# Keep pointer to im object to prevent dereferencing.
|
||||
self._im = img.im
|
||||
|
||||
# Debugging is polluting test traces, only useful here
|
||||
# when hacking on PyAccess
|
||||
# logger.debug("%s", vals)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,6 @@
|
|||
from helper import unittest, PillowTestCase, hopper
|
||||
|
||||
try:
|
||||
import cffi
|
||||
from PIL import PyAccess
|
||||
except ImportError:
|
||||
# Skip in setUp()
|
||||
|
|
@ -9,13 +8,99 @@ except ImportError:
|
|||
|
||||
from PIL import Image
|
||||
|
||||
from test_image_putpixel import TestImagePutPixel
|
||||
from test_image_getpixel import TestImageGetPixel
|
||||
|
||||
Image.USE_CFFI_ACCESS = True
|
||||
class AccessTest(PillowTestCase):
|
||||
# initial value
|
||||
_init_cffi_access = Image.USE_CFFI_ACCESS
|
||||
_need_cffi_access = False
|
||||
|
||||
@classmethod
|
||||
def setUpClass(cls):
|
||||
Image.USE_CFFI_ACCESS = cls._need_cffi_access
|
||||
|
||||
@classmethod
|
||||
def tearDownClass(cls):
|
||||
Image.USE_CFFI_ACCESS = cls._init_cffi_access
|
||||
|
||||
|
||||
class TestImagePutPixel(AccessTest):
|
||||
def test_sanity(self):
|
||||
im1 = hopper()
|
||||
im2 = Image.new(im1.mode, im1.size, 0)
|
||||
|
||||
for y in range(im1.size[1]):
|
||||
for x in range(im1.size[0]):
|
||||
pos = x, y
|
||||
im2.putpixel(pos, im1.getpixel(pos))
|
||||
|
||||
self.assert_image_equal(im1, im2)
|
||||
|
||||
im2 = Image.new(im1.mode, im1.size, 0)
|
||||
im2.readonly = 1
|
||||
|
||||
for y in range(im1.size[1]):
|
||||
for x in range(im1.size[0]):
|
||||
pos = x, y
|
||||
im2.putpixel(pos, im1.getpixel(pos))
|
||||
|
||||
self.assertFalse(im2.readonly)
|
||||
self.assert_image_equal(im1, im2)
|
||||
|
||||
im2 = Image.new(im1.mode, im1.size, 0)
|
||||
|
||||
pix1 = im1.load()
|
||||
pix2 = im2.load()
|
||||
|
||||
for y in range(im1.size[1]):
|
||||
for x in range(im1.size[0]):
|
||||
pix2[x, y] = pix1[x, y]
|
||||
|
||||
self.assert_image_equal(im1, im2)
|
||||
|
||||
|
||||
class TestImageGetPixel(AccessTest):
|
||||
@staticmethod
|
||||
def color(mode):
|
||||
bands = Image.getmodebands(mode)
|
||||
if bands == 1:
|
||||
return 1
|
||||
else:
|
||||
return tuple(range(1, bands + 1))
|
||||
|
||||
def check(self, mode, c=None):
|
||||
if not c:
|
||||
c = self.color(mode)
|
||||
|
||||
# check putpixel
|
||||
im = Image.new(mode, (1, 1), None)
|
||||
im.putpixel((0, 0), c)
|
||||
self.assertEqual(
|
||||
im.getpixel((0, 0)), c,
|
||||
"put/getpixel roundtrip failed for mode %s, color %s" % (mode, c))
|
||||
|
||||
# check inital color
|
||||
im = Image.new(mode, (1, 1), c)
|
||||
self.assertEqual(
|
||||
im.getpixel((0, 0)), c,
|
||||
"initial color failed for mode %s, color %s " % (mode, c))
|
||||
|
||||
def test_basic(self):
|
||||
for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
|
||||
"P", "PA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"):
|
||||
self.check(mode)
|
||||
|
||||
def test_signedness(self):
|
||||
# see https://github.com/python-pillow/Pillow/issues/452
|
||||
# pixelaccess is using signed int* instead of uint*
|
||||
for mode in ("I;16", "I;16B"):
|
||||
self.check(mode, 2**15-1)
|
||||
self.check(mode, 2**15)
|
||||
self.check(mode, 2**15+1)
|
||||
self.check(mode, 2**16-1)
|
||||
|
||||
|
||||
class TestCffiPutPixel(TestImagePutPixel):
|
||||
_need_cffi_access = True
|
||||
|
||||
def setUp(self):
|
||||
try:
|
||||
|
|
@ -23,11 +108,9 @@ class TestCffiPutPixel(TestImagePutPixel):
|
|||
except ImportError:
|
||||
self.skipTest("No cffi")
|
||||
|
||||
def test_put(self):
|
||||
self.test_sanity()
|
||||
|
||||
|
||||
class TestCffiGetPixel(TestImageGetPixel):
|
||||
_need_cffi_access = True
|
||||
|
||||
def setUp(self):
|
||||
try:
|
||||
|
|
@ -35,12 +118,9 @@ class TestCffiGetPixel(TestImageGetPixel):
|
|||
except ImportError:
|
||||
self.skipTest("No cffi")
|
||||
|
||||
def test_get(self):
|
||||
self.test_basic()
|
||||
self.test_signedness()
|
||||
|
||||
|
||||
class TestCffi(PillowTestCase):
|
||||
class TestCffi(AccessTest):
|
||||
_need_cffi_access = True
|
||||
|
||||
def setUp(self):
|
||||
try:
|
||||
|
|
@ -141,8 +221,17 @@ class TestCffi(PillowTestCase):
|
|||
# im = Image.new('I;32B', (10, 10), 2**10)
|
||||
# self._test_set_access(im, 2**13-1)
|
||||
|
||||
# ref https://github.com/python-pillow/Pillow/pull/2009
|
||||
def test_reference_counting(self):
|
||||
size = 10
|
||||
|
||||
for _ in range(10):
|
||||
# Do not save references to the image, only to the access object
|
||||
px = Image.new('L', (size, 1), 0).load()
|
||||
for i in range(size):
|
||||
# pixels can contain garbarge if image is released
|
||||
self.assertEqual(px[i, 0], 0)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
|
||||
# End of file
|
||||
|
|
@ -1,53 +0,0 @@
|
|||
from helper import unittest, PillowTestCase
|
||||
|
||||
from PIL import Image
|
||||
|
||||
Image.USE_CFFI_ACCESS = False
|
||||
|
||||
|
||||
def color(mode):
|
||||
bands = Image.getmodebands(mode)
|
||||
if bands == 1:
|
||||
return 1
|
||||
else:
|
||||
return tuple(range(1, bands+1))
|
||||
|
||||
|
||||
class TestImageGetPixel(PillowTestCase):
|
||||
|
||||
def check(self, mode, c=None):
|
||||
if not c:
|
||||
c = color(mode)
|
||||
|
||||
# check putpixel
|
||||
im = Image.new(mode, (1, 1), None)
|
||||
im.putpixel((0, 0), c)
|
||||
self.assertEqual(
|
||||
im.getpixel((0, 0)), c,
|
||||
"put/getpixel roundtrip failed for mode %s, color %s" % (mode, c))
|
||||
|
||||
# check inital color
|
||||
im = Image.new(mode, (1, 1), c)
|
||||
self.assertEqual(
|
||||
im.getpixel((0, 0)), c,
|
||||
"initial color failed for mode %s, color %s " % (mode, color))
|
||||
|
||||
def test_basic(self):
|
||||
for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
|
||||
"P", "PA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"):
|
||||
self.check(mode)
|
||||
|
||||
def test_signedness(self):
|
||||
# see https://github.com/python-pillow/Pillow/issues/452
|
||||
# pixelaccess is using signed int* instead of uint*
|
||||
for mode in ("I;16", "I;16B"):
|
||||
self.check(mode, 2**15-1)
|
||||
self.check(mode, 2**15)
|
||||
self.check(mode, 2**15+1)
|
||||
self.check(mode, 2**16-1)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
|
||||
# End of file
|
||||
|
|
@ -1,50 +0,0 @@
|
|||
from helper import unittest, PillowTestCase, hopper
|
||||
|
||||
from PIL import Image
|
||||
|
||||
Image.USE_CFFI_ACCESS = False
|
||||
|
||||
|
||||
class TestImagePutPixel(PillowTestCase):
|
||||
|
||||
def test_sanity(self):
|
||||
|
||||
im1 = hopper()
|
||||
im2 = Image.new(im1.mode, im1.size, 0)
|
||||
|
||||
for y in range(im1.size[1]):
|
||||
for x in range(im1.size[0]):
|
||||
pos = x, y
|
||||
im2.putpixel(pos, im1.getpixel(pos))
|
||||
|
||||
self.assert_image_equal(im1, im2)
|
||||
|
||||
im2 = Image.new(im1.mode, im1.size, 0)
|
||||
im2.readonly = 1
|
||||
|
||||
for y in range(im1.size[1]):
|
||||
for x in range(im1.size[0]):
|
||||
pos = x, y
|
||||
im2.putpixel(pos, im1.getpixel(pos))
|
||||
|
||||
self.assertFalse(im2.readonly)
|
||||
self.assert_image_equal(im1, im2)
|
||||
|
||||
im2 = Image.new(im1.mode, im1.size, 0)
|
||||
|
||||
pix1 = im1.load()
|
||||
pix2 = im2.load()
|
||||
|
||||
for y in range(im1.size[1]):
|
||||
for x in range(im1.size[0]):
|
||||
pix2[x, y] = pix1[x, y]
|
||||
|
||||
self.assert_image_equal(im1, im2)
|
||||
|
||||
# see test_image_getpixel for more tests
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
|
||||
# End of file
|
||||
Loading…
Reference in New Issue
Block a user