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Add caching and smarter resizing to the Libravatar endpoint

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Danielle McLean 2018-06-08 14:47:34 +10:00
parent 2c90114b9d
commit e94a856a08
Signed by untrusted user: 00dani
GPG key ID: 8EB789DDF3ABD240
1 changed files with 9 additions and 3 deletions
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12
users/views.py
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@ -1,4 +1,5 @@
from django.http import HttpResponse, HttpResponseRedirect from django.http import HttpResponse, HttpResponseRedirect
from django.views.decorators.cache import cache_page
from PIL import Image from PIL import Image
from lemoncurry import utils from lemoncurry import utils
@ -12,6 +13,7 @@ def try_libravatar_org(hash, get):
return HttpResponseRedirect(url) return HttpResponseRedirect(url)
@cache_page(60 * 15)
def libravatar(request, hash): def libravatar(request, hash):
g = request.GET g = request.GET
size = g.get('s', g.get('size', 80)) size = g.get('s', g.get('size', 80))
@ -42,8 +44,12 @@ def libravatar(request, hash):
return try_libravatar_org(hash, g) return try_libravatar_org(hash, g)
im = Image.open(user.avatar) im = Image.open(user.avatar)
im_resized = im.resize((size, size)) image_type = im.format
natural_size = min(im.size)
response = HttpResponse(content_type='image/'+im.format.lower()) im = im.crop((0, 0, natural_size, natural_size))
im_resized.save(response, im.format) im = im.resize((size, size), resample=Image.HAMMING)
response = HttpResponse(content_type='image/'+image_type.lower())
im.save(response, image_type)
return response return response