def get_thumb(context, img, w=None, h=None):
if not img:
# we must provide path to a static file as a fully qualified external,
# because sorl.thumbnail forces MEDIA_URL to be the one true source
img = context['request'].build_absolute_uri(
'{static}img/holder_{choice}.png'.format(
static=settings.STATIC_URL,
choice=random.choice(['01', '02', '03']),
))
assert w or h
h = h or w
size = '{w}{h}'.format(w=w * 2 if w else '', h='x' + str(h * 2))
options = dict(
# crop 20% to the top if size is landscape or square and source is portrait
crop='20%' if w >= h and is_portrait(img) else 'center',
quality=40,
format='JPEG',
upscale=True,
)
return get_thumbnail(img, size, **options).url
def thumb_medium(self):
if is_portrait(self.file):
return self.thumb(geometry_string='x400')
else:
return self.thumb(geometry_string='400')
def thumb_medium(self):
if is_portrait(self.file):
return self.thumb(geometry_string='x400')
else:
return self.thumb(geometry_string='400')
def thumb_big(self):
if is_portrait(self.file):
return self.thumb(geometry_string='x800')
else:
return self.thumb(geometry_string='800')
def thumb_big(self):
if is_portrait(self.file):
return self.thumb(geometry_string='x800')
else:
return self.thumb(geometry_string='800')
