def custom_render_variations(file_name, variations, storage, replace=True):
""" Utility method used to override default behaviour of StdImageFieldFile by
passing it replace=True.
Args:
file_name (str): name of the image file.
variations (dict): dict containing variations of image
storage (Storage): Storage class responsible for storing the image.
Returns:
False (bool): to prevent its default behaviour
"""
for variation in variations.values():
StdImageFieldFile.render_variation(file_name, variation, replace, storage)
# to prevent default behaviour
return False
def custom_render_variations(file_name, variations, storage, replace=True):
""" Utility method used to override default behaviour of StdImageFieldFile by
passing it replace=True.
Args:
file_name (str): name of the image file.
variations (dict): dict containing variations of image
storage (Storage): Storage class responsible for storing the image.
Returns:
False (bool): to prevent its default behaviour
"""
for variation in variations.values():
StdImageFieldFile.render_variation(file_name, variation, replace, storage)
# to prevent default behaviour
return False
def custom_render_variations(file_name, variations, storage, replace=False):
"""Resize image to 100x100."""
for _, variation in variations.items():
variation_name = StdImageFieldFile.get_variation_name(
file_name, variation['name'])
if storage.exists(variation_name):
storage.delete(variation_name)
with storage.open(file_name) as f:
with Image.open(f) as img:
size = 100, 100
img = img.resize(size)
with BytesIO() as file_buffer:
img.save(file_buffer, 'JPEG')
f = ContentFile(file_buffer.getvalue())
storage.save(variation_name, f)
return False
def custom_render_variations(file_name, variations, storage, replace=False):
"""Resize image to 100x100."""
for _, variation in variations.items():
variation_name = StdImageFieldFile.get_variation_name(
file_name,
variation['name']
)
if storage.exists(variation_name):
storage.delete(variation_name)
with storage.open(file_name) as f:
with Image.open(f) as img:
size = 100, 100
img = img.resize(size)
with BytesIO() as file_buffer:
img.save(file_buffer, 'JPEG')
f = ContentFile(file_buffer.getvalue())
storage.save(variation_name, f)
return False