Use minecraft avatars

minecraft/templatetags/minecraft.py

@@ -0,0 +1,15 @@
+from django.core.urlresolvers import reverse
+from django import template
+
+register = template.Library()
+
+@register.tag
+def avatar(parser, token):
+    return AvatarNode(token.split_contents()[1])
+
+class AvatarNode(template.Node):
+    def __init__(self, uservar):
+        self.__user = template.Variable(uservar)
+
+    def render(self, context):
+        return '<img src="%s"/>'%(reverse('minecraft.views.avatar', kwargs={'username': self.__user.resolve(context)}),)

minecraft/urls.py

@@ -0,0 +1,5 @@
+from django.conf.urls.defaults import patterns, include, url
+
+urlpatterns = patterns('minecraft',
+    url(r'^avatar/(?P<username>.*).png$', 'views.avatar'),
+)

minecraft/views.py

@@ -0,0 +1,19 @@
+from PIL import Image
+from django.http import HttpResponse
+from urllib2 import urlopen
+from cStringIO import StringIO
+from django.core.cache import cache
+from django.views.decorators.cache import cache_control
+
+def avatar(request, username):
+    avatar = cache.get('minecraft-avatar-%s'%(username))
+    if avatar is None:
+        imgStream = StringIO(urlopen("http://minecraft.net/skin/%s.png"%(username)).read())
+        img = Image.open(imgStream)
+        img = img.crop((8, 8, 16,16))
+        img = img.resize((64, 64), Image.NEAREST)
+        buf = StringIO()
+        img.save(buf, "PNG")
+        avatar = buf.getvalue()
+    cache.set('minecraft-avatar-%s', avatar, 86400)
+    return HttpResponse(avatar, content_type="image/png")