def render(self, context):
# If size is not an int, then it's a Variable, so try to resolve it.
if not isinstance(self.size, int):
self.size = int(self.size.resolve(context))
if not self.size in AVATAR_SIZES:
return ''
try:
user = self.user.resolve(context)
avatar = Avatar.objects.get(user=user, valid=True).image
if hasattr(settings, "AWS_SECRET_ACCESS_KEY"):
avatar_path = avatar.name
else:
avatar_path = avatar.path
if not storage.exists(avatar_path):
raise
base, filename = os.path.split(avatar_path)
name, extension = os.path.splitext(filename)
filename = os.path.join(base, "%s.%s%s" % (name, self.size, extension))
url_tuple = urlparse.urlparse(avatar.url)
url = urlparse.urljoin(urllib.unquote(urlparse.urlunparse(url_tuple)), "%s.%s%s" % (name, self.size, extension))
if not storage.exists(filename):
thumb = Image.open(ContentFile(avatar.read()))
thumb.thumbnail((self.size, self.size), Image.ANTIALIAS)
f = StringIO()
thumb.save(f, "JPEG")
f.seek(0)
storage.save(filename, ContentFile(f.read()))
except:
avatar_path = DEFAULT_AVATAR
base, filename = os.path.split(avatar_path)
generic, extension = os.path.splitext(filename)
filename = os.path.join(base, "%s.%s%s" % (generic, self.size, extension))
# Fallback to Gravatar if enabled
if gravatar and user:
url = gravatar_for_user(user, self.size)
else:
url = filename.replace(settings.MEDIA_ROOT, settings.MEDIA_URL)
url = os.path.normpath(url)
return url
def get_user_image(user, size=80):
url = gravatar_for_user(user, size)
return '<img src="%s" alt="%s" height="%s" width="%s" />' % (
url, user.username, size, size)
