Include gravatar images with user name (issue #171)

weblate/media/css/style.css

@@ -280,3 +280,7 @@ textarea.code-example {
 	margin-top: 0.3em;
 	text-align: center;
 }
+img.avatar {
+    width: 1em;
+    height: 1em;
+}

weblate/trans/models.py

@@ -1296,10 +1296,10 @@ class Translation(models.Model):
         return get_user_display(self.lock_user)
 
     def get_lock_display(self):
-        return _('This translation is locked by %(user)s for translation till %(time)s!') % {
+        return mark_safe(_('This translation is locked by %(user)s for translation till %(time)s!') % {
             'user': self.get_lock_user_display(),
             'time': self.get_lock_time_display(),
-        }
+        })
 
     def is_locked(self, request = None, multi = False):
         '''

weblate/trans/util.py

@@ -23,9 +23,25 @@ import re
 from translate.misc import quote
 from translate.storage.properties import propunit
 from django.utils.translation import ugettext as _
+from django.utils.html import escape
+from django.utils.safestring import mark_safe
+from django.utils.hashcompat import md5_constructor
+from django.conf import settings
+import urllib
+
+GRAVATAR_URL_PREFIX = getattr(settings, "GRAVATAR_URL_PREFIX", "http://www.gravatar.com/")
+GRAVATAR_DEFAULT_IMAGE = getattr(settings, "GRAVATAR_DEFAULT_IMAGE", "")
 
 PLURAL_SEPARATOR = '\x00\x00'
 
+def gravatar_for_email(email, size = 80):
+    '''
+    Generates url for gravatar.
+    '''
+    url = "%savatar/%s/?" % (GRAVATAR_URL_PREFIX, md5_constructor(email.lower()).hexdigest())
+    url += urllib.urlencode({"s": str(size), "default": GRAVATAR_DEFAULT_IMAGE})
+    return escape(url)
+
 def get_user_display(user):
     '''
     Nicely formats user for display.
@@ -41,7 +57,13 @@ def get_user_display(user):
     if full_name.strip() == '':
         full_name = user.username
 
-    return full_name
+    # Get gravatar image
+    gravatar = gravatar_for_email(user.email, size = 32)
+
+    return mark_safe('<img src="%(gravatar)s" class="avatar" /> %(name)s' % {
+        'name': escape(full_name),
+        'gravatar': gravatar
+    })
 
 def is_plural(s):
     '''