Python PIL.ImageFile.LOAD_TRUNCATED_IMAGES Examples
The following are 15
code examples of PIL.ImageFile.LOAD_TRUNCATED_IMAGES().
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PIL.ImageFile
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Example #1
| Source File: test_file_png.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 7 votes |
|
def test_verify_ignores_crc_error(self):
# check ignores crc errors in ancillary chunks
chunk_data = chunk(b'tEXt', b'spam')
broken_crc_chunk_data = chunk_data[:-1] + b'q' # break CRC
image_data = HEAD + broken_crc_chunk_data + TAIL
self.assertRaises(SyntaxError, PngImagePlugin.PngImageFile,
BytesIO(image_data))
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = load(image_data)
self.assertIsNotNone(im)
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
Example #2
| Source File: test_file_png.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_leak_load(self):
with open('Tests/images/hopper.png', 'rb') as f:
DATA = BytesIO(f.read(16 * 1024))
ImageFile.LOAD_TRUNCATED_IMAGES = True
with Image.open(DATA) as im:
im.load()
def core():
with Image.open(DATA) as im:
im.load()
try:
self._test_leak(core)
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
Example #3
| Source File: media.py From open-context-py with GNU General Public License v3.0 | 6 votes |
|
def get_image_obj(src_file, new_file):
"""Gets an image object and png flag."""
output = None
png = False
if src_file.lower().endswith('.png'):
png = True
if src_file == new_file:
return None, None
if not os.path.exists(src_file):
raise RuntimeError('Cannot find ' + src_file)
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(src_file)
im.LOAD_TRUNCATED_IMAGES = True
except:
print('Cannot use as image: ' + src_file)
im = None
if im is None:
return None, None
return im, png
Example #4
| Source File: test_file_jpeg.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_truncated_jpeg_should_read_all_the_data(self):
filename = "Tests/images/truncated_jpeg.jpg"
ImageFile.LOAD_TRUNCATED_IMAGES = True
im = Image.open(filename)
im.load()
ImageFile.LOAD_TRUNCATED_IMAGES = False
self.assertIsNotNone(im.getbbox())
Example #5
| Source File: test_imagefile.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_truncated_without_errors(self):
if "zip_encoder" not in codecs:
self.skipTest("PNG (zlib) encoder not available")
im = Image.open("Tests/images/truncated_image.png")
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im.load()
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
Example #6
| Source File: test_imagefile.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_broken_datastream_without_errors(self):
if "zip_encoder" not in codecs:
self.skipTest("PNG (zlib) encoder not available")
im = Image.open("Tests/images/broken_data_stream.png")
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im.load()
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
Example #7
| Source File: test_file_png.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_verify_not_ignores_crc_error_in_required_chunk(self):
# check does not ignore crc errors in required chunks
image_data = MAGIC + IHDR[:-1] + b'q' + TAIL
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
self.assertRaises(SyntaxError, PngImagePlugin.PngImageFile,
BytesIO(image_data))
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
Example #8
| Source File: check_png_dos.py From python3_ios with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_ignore_dos_text(self):
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(TEST_FILE)
im.load()
finally:
ImageFile.LOAD_TRUNCATED_IMAGES = False
for s in im.text.values():
self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M")
for s in im.info.values():
self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M")
Example #9
| Source File: apps.py From course-discovery with GNU Affero General Public License v3.0 | 5 votes |
|
def ready(self):
super(CourseMetadataConfig, self).ready()
# We need to add this setting because, since MM programs we are accepting banner
# images with height less than 480 max. In order to accept those images, we need
# to allow PIL to work with these images correctly by setting this variable true
ImageFile.LOAD_TRUNCATED_IMAGES = True
# noinspection PyUnresolvedReferences
import course_discovery.apps.course_metadata.signals # pylint: disable=import-outside-toplevel,unused-import
Example #10
| Source File: filters.py From stegoVeritas with GNU General Public License v2.0 | 5 votes |
|
def run_filter(image, f_a, filt):
try:
g = f_a.filter(filt)
except IOError as e:
# Generically print it, then try again (truncated error)
logger.error("%s", e)
ImageFile.LOAD_TRUNCATED_IMAGES = True
g = f_a.filter(filt)
g.save(os.path.join(image.veritas.results_directory, os.path.basename(image.veritas.file_name) + "_" + filt.name.replace(" ","_") + ".png"))
Example #11
| Source File: tbimages.py From open-context-py with GNU General Public License v3.0 | 5 votes |
|
def make_preview_file(self, src_file, new_file):
""" Makes preview images. This preserves the orginal
aspect ratio. The height can be greater than the width,
so we're not just going to use the thumbnail
method
"""
output = False
png = False
if '.png' in src_file or '.PNG' in src_file:
png = True
if src_file != new_file:
if os.path.exists(src_file):
# print('Getting: ' + src_file)
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(src_file)
im.LOAD_TRUNCATED_IMAGES = True
except:
print('Cannot use as image: ' + src_file)
im = False
if im is not False:
ratio = 1 # default to same size
if im.width > self.preview_width:
new_width = self.preview_width
ratio = im.width / self.preview_width
else:
new_width = im.width
new_neight = int(round((im.height * ratio), 0))
size = (new_width, new_neight)
rescale_ok = False
try:
im.load()
rescale_ok = True
except IOError:
rescale_ok = False
print('Problem rescaling image for: ' + new_file)
self.errors.append(new_file)
if rescale_ok:
if png:
im.thumbnail(size, Image.ANTIALIAS)
background = Image.new("RGB", im.size, (255, 255, 255))
try:
background.paste(im, mask=im.split()[3]) # 3 is the alpha channel
background.save(new_file, "JPEG", quality=100)
output = new_file
except:
png = False
print('cannot save the preview file: ' + new_file)
del background
if png is False:
im.thumbnail(size, Image.ANTIALIAS)
try:
im.save(new_file, "JPEG", quality=100)
output = new_file
except:
print('cannot save the preview file: ' + new_file)
del im
return output
Example #12
| Source File: fuse.py From pvnet-rendering with Apache License 2.0 | 5 votes |
|
def read_rgb_np(rgb_path):
ImageFile.LOAD_TRUNCATED_IMAGES = True
img = Image.open(rgb_path).convert('RGB')
img = np.array(img,np.uint8)
return img
Example #13
| Source File: images.py From open-context-py with GNU General Public License v3.0 | 4 votes |
|
def make_preview_file(self, src_file, new_file):
""" Makes preview images. This preserves the orginal
aspect ratio. The height can be greater than the width,
so we're not just going to use the thumbnail
method
"""
output = False
png = False
if '.png' in src_file or '.PNG' in src_file:
png = True
if src_file != new_file:
if os.path.exists(src_file):
# print('Getting: ' + src_file)
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(src_file)
im.LOAD_TRUNCATED_IMAGES = True
except:
print('Cannot use as image: ' + src_file)
im = False
if im is not False:
ratio = 1 # default to same size
if im.width > self.preview_width:
new_width = self.preview_width
ratio = im.width / self.preview_width
else:
new_width = im.width
new_neight = int(round((im.height * ratio), 0))
size = (new_width, new_neight)
rescale_ok = False
try:
im.load()
rescale_ok = True
except IOError:
rescale_ok = False
print('Problem rescaling image for: ' + new_file)
self.errors.append(new_file)
if rescale_ok:
if png:
im.thumbnail(size, Image.ANTIALIAS)
background = Image.new("RGB", im.size, (255, 255, 255))
try:
background.paste(im, mask=im.split()[3]) # 3 is the alpha channel
background.save(new_file, "JPEG", quality=100)
output = new_file
except:
png = False
print('cannot save the preview file: ' + new_file)
del background
if png is False:
im.thumbnail(size, Image.ANTIALIAS)
try:
im.save(new_file, "JPEG", quality=100)
output = new_file
except:
print('cannot save the preview file: ' + new_file)
del im
return output
Example #14
| Source File: images.py From open-context-py with GNU General Public License v3.0 | 4 votes |
|
def make_thumbnail_file(self, src_file, new_file):
""" This makes a thumbnail file. It is a little more
simple, since it uses the default thumbnail method,
meaning it has a max height and a max width
"""
output = False
png = False
if '.png' in src_file or '.PNG' in src_file:
png = True
if src_file != new_file:
if os.path.exists(src_file):
# print('Getting: ' + src_file)
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(src_file)
im.LOAD_TRUNCATED_IMAGES = True
except:
print('Cannot use as image: ' + src_file)
im = False
if im is not False:
size = (self.thumbnail_width_height,
self.thumbnail_width_height)
rescale_ok = False
try:
im.load()
rescale_ok = True
except IOError:
rescale_ok = False
print('Problem rescaling image for: ' + new_file)
self.errors.append(new_file)
if rescale_ok:
if png:
im.thumbnail(size, Image.ANTIALIAS)
background = Image.new("RGB", im.size, (255, 255, 255))
try:
background.paste(im, mask=im.split()[3]) # 3 is the alpha channel
background.save(new_file, "JPEG", quality=100)
output = new_file
except:
png = False
print('cannot save the preview file: ' + new_file)
del background
if png is False:
im.thumbnail(size, Image.ANTIALIAS)
try:
im.save(new_file, "JPEG", quality=100)
output = new_file
except:
print('cannot save the preview file: ' + new_file)
del im
return output
Example #15
| Source File: tbimages.py From open-context-py with GNU General Public License v3.0 | 4 votes |
|
def make_thumbnail_file(self, src_file, new_file):
""" This makes a thumbnail file. It is a little more
simple, since it uses the default thumbnail method,
meaning it has a max height and a max width
"""
output = False
png = False
if '.png' in src_file or '.PNG' in src_file:
png = True
if src_file != new_file:
if os.path.exists(src_file):
# print('Getting: ' + src_file)
ImageFile.LOAD_TRUNCATED_IMAGES = True
try:
im = Image.open(src_file)
im.LOAD_TRUNCATED_IMAGES = True
except:
print('Cannot use as image: ' + src_file)
im = False
if im is not False:
size = (self.thumbnail_width_height,
self.thumbnail_width_height)
rescale_ok = False
try:
im.load()
rescale_ok = True
except IOError:
rescale_ok = False
print('Problem rescaling image for: ' + new_file)
self.errors.append(new_file)
if rescale_ok:
if png:
im.thumbnail(size, Image.ANTIALIAS)
background = Image.new("RGB", im.size, (255, 255, 255))
try:
background.paste(im, mask=im.split()[3]) # 3 is the alpha channel
background.save(new_file, "JPEG", quality=100)
output = new_file
except:
png = False
print('cannot save the preview file: ' + new_file)
del background
if png is False:
im.thumbnail(size, Image.ANTIALIAS)
try:
im.save(new_file, "JPEG", quality=100)
output = new_file
except:
print('cannot save the preview file: ' + new_file)
del im
return output
