def clean(self):
# autogenerate slug if necessary
slug = self.cleaned_data.get('slug')
image = self.cleaned_data.get('image')
if image and not slug:
self.cleaned_data['slug'] = slugify(nameof(image.name))[:20]
return forms.ModelForm.clean(self)
def clean(self):
# autogenerate slug if necessary
slug = self.cleaned_data.get('slug')
image = self.cleaned_data.get('image')
if image and not slug:
self.cleaned_data['slug'] = slugify(nameof(image.name))[:20]
return forms.ModelForm.clean(self)
def resize(input, max_size, hq):
if hq:
name = '@%ix%i.png' % max_size
else:
name = '@%ix%i.jpg' % max_size
name = nameof(input) + name
relpath = THUMBS_PATH + name
output_file = settings.MEDIA_ROOT + relpath
output_url = settings.MEDIA_URL + relpath
if not exists(dirname(output_file)):
makedirs(dirname(output_file))
if not exists(output_file) or getmtime(output_file) < getmtime(input):
image = Image.open(input)
image = image.convert('RGBA')
if hq:
image.thumbnail(max_size, Image.BICUBIC)
image.save(output_file, 'PNG')
else:
image.thumbnail(max_size, Image.ANTIALIAS)
image.save(output_file, 'JPEG', quality=85)
return output_url
