def fetch_image_to_image_field(image_url: str, target_field: ImageField) -> None:
"""Fetches image from url and assigns it to image file field"""
response = requests.get(image_url)
response.raise_for_status()
content = response.content
content_file = ContentFile(content)
content_type = response.headers.get('content-type')
extension = guess_extension(content_type)
target_file_name = '{0}{1}'.format(uuid4(), extension)
target_field.save(
default_storage.get_available_name(target_file_name), content_file
)
def resize(self, imageField: models.ImageField, t_height, t_width):
height = imageField.height
width = imageField.width
print (r"Max H {}, Max W {}, Image H {}, Image W {}".format (t_height, t_width, height, width))
if width != t_width or height != t_height:
print ("===============> Resizing Image")
imageField.open()
im = Image.open(imageField) # Catch original
im.load()
source_image = im.convert('RGB')
source_image = source_image.resize((t_width, t_height), Image.ANTIALIAS) # Resize to size
output = BytesIO()
source_image.save(output, format='JPEG') # Save resize image to bytes
output.seek(0)
content_file = ContentFile(output.read()) # Read output and create ContentFile in memory
file = File(content_file)
random_name = f'{uuid.uuid4()}.jpg'
imageField.save(random_name, file, save=False)
def _make_thumbnail(self, field: ImageField):
thumbnail = make_thumbnail(field)
field.save(field.name, thumbnail, save=False)
