Merge branch 'feature/avatar' into master2

avatar/admin.py

@@ -0,0 +1,4 @@
+from django.contrib import admin
+from avatar.models import Avatar
+
+admin.site.register(Avatar)

avatar/forms.py

@@ -0,0 +1,69 @@
+import os
+
+from django import forms
+from django.forms import widgets
+from django.utils.safestring import mark_safe
+from django.utils.translation import ugettext_lazy as _
+from django.template.defaultfilters import filesizeformat
+
+from avatar.models import Avatar
+from avatar.settings import (AVATAR_MAX_AVATARS_PER_USER, AVATAR_MAX_SIZE,
+                             AVATAR_ALLOWED_FILE_EXTS, AVATAR_DEFAULT_SIZE)
+
+
+def avatar_img(avatar, size):
+    if not avatar.thumbnail_exists(size):
+        avatar.create_thumbnail(size)
+    return mark_safe("""<img src="%s" alt="%s" width="%s" height="%s" />""" % 
+        (avatar.avatar_url(size), unicode(avatar), size, size))
+
+class UploadAvatarForm(forms.Form):
+
+    avatar = forms.ImageField()
+    
+    def __init__(self, *args, **kwargs):
+        self.emailuser = kwargs.pop('user').email
+        super(UploadAvatarForm, self).__init__(*args, **kwargs)
+        
+    def clean_avatar(self):
+        data = self.cleaned_data['avatar']
+        if AVATAR_ALLOWED_FILE_EXTS:
+            (root, ext) = os.path.splitext(data.name.lower())
+            if ext not in AVATAR_ALLOWED_FILE_EXTS:
+               raise forms.ValidationError(
+                _(u"%(ext)s is an invalid file extension. Authorized extensions are : %(valid_exts_list)s") % 
+                { 'ext' : ext, 'valid_exts_list' : ", ".join(AVATAR_ALLOWED_FILE_EXTS) }) 
+        if data.size > AVATAR_MAX_SIZE:
+            raise forms.ValidationError(
+                _(u"Your file is too big (%(size)s), the maximum allowed size is %(max_valid_size)s") %
+                { 'size' : filesizeformat(data.size), 'max_valid_size' : filesizeformat(AVATAR_MAX_SIZE)} )
+        count = Avatar.objects.filter(emailuser=self.emailuser).count()
+        if AVATAR_MAX_AVATARS_PER_USER > 1 and \
+           count >= AVATAR_MAX_AVATARS_PER_USER: 
+            raise forms.ValidationError(
+                _(u"You already have %(nb_avatars)d avatars, and the maximum allowed is %(nb_max_avatars)d.") %
+                { 'nb_avatars' : count, 'nb_max_avatars' : AVATAR_MAX_AVATARS_PER_USER})
+        return        
+        
+
+class PrimaryAvatarForm(forms.Form):
+    
+    def __init__(self, *args, **kwargs):
+        user = kwargs.pop('user')
+        size = kwargs.pop('size', AVATAR_DEFAULT_SIZE)
+        avatars = kwargs.pop('avatars')
+        super(PrimaryAvatarForm, self).__init__(*args, **kwargs)
+        self.fields['choice'] = forms.ChoiceField(
+            choices=[(c.id, avatar_img(c, size)) for c in avatars],
+            widget=widgets.RadioSelect)
+
+class DeleteAvatarForm(forms.Form):
+
+    def __init__(self, *args, **kwargs):
+        user = kwargs.pop('user')
+        size = kwargs.pop('size', AVATAR_DEFAULT_SIZE)
+        avatars = kwargs.pop('avatars')
+        super(DeleteAvatarForm, self).__init__(*args, **kwargs)
+        self.fields['choices'] = forms.MultipleChoiceField(
+            choices=[(c.id, avatar_img(c, size)) for c in avatars],
+            widget=widgets.CheckboxSelectMultiple)

avatar/i18n.sh.template

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+django-admin.py makemessages -l zh_CN -e py,html
+django-admin.py compilemessages

avatar/locale/de/LC_MESSAGES/django.po

@@ -0,0 +1,131 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2010-03-16 15:19+0100\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
+
+#: forms.py:33
+#, python-format
+msgid ""
+"%(ext)s is an invalid file extension. Authorized extensions are : %"
+"(valid_exts_list)s"
+msgstr ""
+"%(ext)s ist ein ungültiges Dateiformat. Erlaubte Formate sind: %"
+"(valid_exts_list)s"
+
+#: forms.py:37
+#, python-format
+msgid ""
+"Your file is too big (%(size)s), the maximum allowed size is %"
+"(max_valid_size)s"
+msgstr ""
+"Die Datei ist zu groß (%(size)s), die Maximalgröße ist %(max_valid_size)s"
+
+#: forms.py:43
+#, python-format
+msgid ""
+"You already have %(nb_avatars)d avatars, and the maximum allowed is %"
+"(nb_max_avatars)d."
+msgstr ""
+"Sie haben bereits %(nb_avatars)d Avatarbilder hochgeladen. Das maximale "
+"Anzahl ist %(nb_max_avatars)d."
+
+#: models.py:71
+#, python-format
+msgid "Avatar for %s"
+msgstr "Avatar für %s"
+
+#: views.py:90
+msgid "Successfully uploaded a new avatar."
+msgstr "Erfolgreich einen neuen Avatar hochgeladen."
+
+#: views.py:128
+msgid "Successfully updated your avatar."
+msgstr "Erfolgreich Ihren Avatar aktualisiert."
+
+#: views.py:166
+msgid "Successfully deleted the requested avatars."
+msgstr "Erfolgreich den Avatar gelöscht."
+
+#: management/__init__.py:9
+msgid "Avatar Updated"
+msgstr "Avatar aktualisiert"
+
+#: management/__init__.py:9
+msgid "your avatar has been updated"
+msgstr "Ihr Avatar wurde aktualisiert"
+
+#: management/__init__.py:10
+msgid "Friend Updated Avatar"
+msgstr "Freund aktualisierte Avatar"
+
+#: management/__init__.py:10
+msgid "a friend has updated their avatar"
+msgstr "Avatar eines Freundes wurde aktualisiert"
+
+#: templates/avatar/add.html:5 templates/avatar/change.html:5
+msgid "Your current avatar: "
+msgstr "Ihr aktueller Avatar: "
+
+#: templates/avatar/add.html:8 templates/avatar/change.html:8
+msgid "You haven't uploaded an avatar yet. Please upload one now."
+msgstr ""
+"Sie haben noch keinen Avatar hochgeladen. Bitte laden Sie nun einen hoch."
+
+#: templates/avatar/add.html:12 templates/avatar/change.html:19
+msgid "Upload New Image"
+msgstr "Neues Bild hochladen"
+
+#: templates/avatar/change.html:14
+msgid "Choose new Default"
+msgstr "Standard auswählen"
+
+#: templates/avatar/confirm_delete.html:5
+msgid "Please select the avatars that you would like to delete."
+msgstr "Bitte wählen Sie die Avatar aus, die Sie löschen möchten."
+
+#: templates/avatar/confirm_delete.html:8
+#, python-format
+msgid ""
+"You have no avatars to delete. Please <a href=\"%(avatar_change_url)s"
+"\">upload one</a> now."
+msgstr ""
+"Sie haben keine Avatare zum Löschen. Bitte <a href=\"%(avatar_change_url)s"
+"\">laden Sie einen hoch</a>."
+
+#: templates/avatar/confirm_delete.html:14
+msgid "Delete These"
+msgstr "Auswahl löschen"
+
+#: templates/notification/avatar_friend_updated/notice.html:2
+#, python-format
+msgid ""
+"<a href=\"%(user_url)s\">%(avatar_creator)s</a> has updated their avatar <a "
+"href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr ""
+"<a href=\"%(user_url)s\">%(avatar_creator)s</a> hat den Avatar aktualisiert "
+"<a href=\"%(avatar_url)s\">%(avatar)s</a>."
+
+#: templates/notification/avatar_updated/notice.html:2
+#, python-format
+msgid "You have updated your avatar <a href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr ""
+"Sie haben Ihren Avatar aktualisiert <a href=\"%(avatar_url)s\">%(avatar)s</"
+"a>."
+
+#: templatetags/avatar_tags.py:40
+msgid "Default Avatar"
+msgstr "Standard-Avatar"

avatar/locale/fr/LC_MESSAGES/django.po

@@ -0,0 +1,111 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2010-03-26 18:29+0100\n"
+"PO-Revision-Date: 2010-03-26 18:35+0100\n"
+"Last-Translator: Mathieu Pillard <m.pillard@liberation.fr>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: forms.py:33
+#, python-format
+msgid "%(ext)s is an invalid file extension. Authorized extensions are : %(valid_exts_list)s"
+msgstr "%(ext)s n'est pas une extension de fichier valide. Les extensions autorisées sont: %(valid_exts_list)s"
+
+#: forms.py:37
+#, python-format
+msgid "Your file is too big (%(size)s), the maximum allowed size is %(max_valid_size)s"
+msgstr "Le fichier est trop gros (%(size)s), la taille maximum autorisée est %(max_valid_size)s"
+
+#: forms.py:43
+#, python-format
+msgid "You already have %(nb_avatars)d avatars, and the maximum allowed is %(nb_max_avatars)d."
+msgstr "Vous avez déjà %(nb_avatars)d avatars, et le maximum autorisé est %(nb_max_avatars)d."
+
+#: models.py:72
+#, python-format
+msgid "Avatar for %s"
+msgstr "Avatar pour %s"
+
+#: views.py:90
+msgid "Successfully uploaded a new avatar."
+msgstr "Votre nouveau avatar a été uploadé avec succès."
+
+#: views.py:128
+msgid "Successfully updated your avatar."
+msgstr "Votre avatar a été mis à jour avec succès."
+
+#: views.py:166
+msgid "Successfully deleted the requested avatars."
+msgstr "Les avatars sélectionnés ont été effacés avec succès."
+
+#: management/__init__.py:9
+msgid "Avatar Updated"
+msgstr "Avatar mis à jour"
+
+#: management/__init__.py:9
+msgid "your avatar has been updated"
+msgstr "votre avatar a été mis à jour"
+
+#: management/__init__.py:10
+msgid "Friend Updated Avatar"
+msgstr "Avatar mis à jour par un ami"
+
+#: management/__init__.py:10
+msgid "a friend has updated their avatar"
+msgstr "un ami a mis à jour son avatar"
+
+#: templates/avatar/add.html:5
+#: templates/avatar/change.html:5
+msgid "Your current avatar: "
+msgstr "Votre avatar actuel:"
+
+#: templates/avatar/add.html:8
+#: templates/avatar/change.html:8
+msgid "You haven't uploaded an avatar yet. Please upload one now."
+msgstr "Vous n'avez pas encore ajouté d'avatar. Veuillez le faire maintenant."
+
+#: templates/avatar/add.html:12
+#: templates/avatar/change.html:19
+msgid "Upload New Image"
+msgstr "Ajouter une nouvelle image"
+
+#: templates/avatar/change.html:14
+msgid "Choose new Default"
+msgstr "Choisir le nouvel avatar par défaut"
+
+#: templates/avatar/confirm_delete.html:5
+msgid "Please select the avatars that you would like to delete."
+msgstr "Veuillez sélectionner les avatars que vous souhaitez effacer"
+
+#: templates/avatar/confirm_delete.html:8
+#, python-format
+msgid "You have no avatars to delete. Please <a href=\"%(avatar_change_url)s\">upload one</a> now."
+msgstr "Vous n'avez aucun avatar à effacer. Veuillez en <a href=\"%(avatar_change_url)s\">ajouter</a> un maintenant."
+
+#: templates/avatar/confirm_delete.html:14
+msgid "Delete These"
+msgstr "Effacer"
+
+#: templates/notification/avatar_friend_updated/notice.html:2
+#, python-format
+msgid "<a href=\"%(user_url)s\">%(avatar_creator)s</a> has updated their avatar <a href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr "<a href=\"%(user_url)s\">%(avatar_creator)s</a> a mis à jour son avatar <a href=\"%(avatar_url)s\">%(avatar)s</a>."
+
+#: templates/notification/avatar_updated/notice.html:2
+#, python-format
+msgid "You have updated your avatar <a href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr "Vous avez mis à jour votre <a href=\"%(avatar_url)s\">%(avatar)s</a>."
+
+#: templatetags/avatar_tags.py:40
+msgid "Default Avatar"
+msgstr "Avatar par défaut"
+

avatar/locale/pt_BR/LC_MESSAGES/django.po

@@ -0,0 +1,68 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2009-08-09 04:13-0300\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: models.py:32
+#, python-format
+msgid "Avatar for %s"
+msgstr "Avatar para %s"
+
+#: views.py:68
+msgid "Successfully uploaded a new avatar."
+msgstr "Nova foto de perfil enviada com sucesso."
+
+#: views.py:76
+msgid "Successfully updated your avatar."
+msgstr "Sua foto de perfil foi atualizada com sucesso."
+
+#: views.py:114
+msgid "Successfully deleted the requested avatars."
+msgstr "As fotos de perfil selecionadas foram excluídas com sucesso."
+
+#: management/__init__.py:9
+msgid "Avatar Updated"
+msgstr "Foto de Perfil Atualizada"
+
+#: management/__init__.py:9
+msgid "avatar have been updated"
+msgstr "foto de perfil foi atualizada"
+
+#: management/__init__.py:10
+msgid "Friend Updated Avatar"
+msgstr "Amigo Atualizou Foto de Perfil"
+
+#: management/__init__.py:10
+msgid "a friend has updated his avatar"
+msgstr "um amigo atualizou a foto de perfil"
+
+#: templates/notifications/avatar_friend_updated/notice.html:2
+#, python-format
+msgid ""
+"<a href=\"%(user_url)s\">%(avatar_creator)s</a> has updated his avatar <a "
+"href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr ""
+"<a href=\"%(user_url)s\">%(avatar_creator)s</a> atualizou a foto de perfil <a "
+"href=\"%(avatar_url)s\">%(avatar)s</a>."
+
+#: templates/notifications/avatar_updated/notice.html:2
+#, python-format
+msgid "A new tribe <a href=\"%(avatar_url)s\">%(avatar)s</a> has been created."
+msgstr "Uma nova foto de perfil <a href=\"%(avatar_url)s\">%(avatar)s</a> foi criada."
+
+#: templatetags/avatar_tags.py:47
+msgid "Default Avatar"
+msgstr "Foto de Perfil Padrão"

avatar/locale/zh_CN/LC_MESSAGES/django.po

@@ -0,0 +1,101 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2012-05-24 11:16+0800\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: forms.py:35
+#, python-format
+msgid ""
+"%(ext)s is an invalid file extension. Authorized extensions are : "
+"%(valid_exts_list)s"
+msgstr ""
+
+#: forms.py:39
+#, python-format
+msgid ""
+"Your file is too big (%(size)s), the maximum allowed size is "
+"%(max_valid_size)s"
+msgstr "您的文件过大（%(size)s），允许最大文件为 %(max_valid_size)s"
+
+#: forms.py:45
+#, python-format
+msgid ""
+"You already have %(nb_avatars)d avatars, and the maximum allowed is "
+"%(nb_max_avatars)d."
+msgstr ""
+
+#: forms.py:57
+msgid "choice"
+msgstr "从已有头像中选择"
+
+#: forms.py:68
+msgid "choices"
+msgstr "从已有头像中选择"
+
+#: models.py:79
+#, python-format
+msgid "Avatar for %s"
+msgstr ""
+
+#: templates/avatar/add.html:5 templates/avatar/change.html:6
+msgid "Your current avatar: "
+msgstr "当前头像："
+
+#: templates/avatar/add.html:8 templates/avatar/change.html:9
+msgid "You haven't uploaded an avatar yet. Please upload one now."
+msgstr "您还没有上传自己的头像。请上传。"
+
+#: templates/avatar/add.html:12 templates/avatar/change.html:20
+msgid "Upload New Image"
+msgstr "提交"
+
+#: templates/avatar/change.html:15
+msgid "Choose new Default"
+msgstr "确定"
+
+#: templates/avatar/confirm_delete.html:6
+msgid "Please select the avatars that you would like to delete."
+msgstr "请选择要删除的头像。"
+
+#: templates/avatar/confirm_delete.html:9
+#, python-format
+msgid ""
+"You have no avatars to delete. Please <a href=\"%(avatar_change_url)s"
+"\">upload one</a> now."
+msgstr ""
+"您还没有上传自己的头像。现在 <a href=\"%(avatar_change_url)s\">上传一个</a>。"
+
+#: templates/avatar/confirm_delete.html:15
+msgid "Delete These"
+msgstr "删除"
+
+#: templates/notification/avatar_friend_updated/notice.html:2
+#, python-format
+msgid ""
+"<a href=\"%(user_url)s\">%(avatar_creator)s</a> has updated their avatar <a "
+"href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr ""
+
+#: templates/notification/avatar_updated/notice.html:2
+#, python-format
+msgid "You have updated your avatar <a href=\"%(avatar_url)s\">%(avatar)s</a>."
+msgstr ""
+
+#: templatetags/avatar_tags.py:48
+msgid "Default Avatar"
+msgstr ""

avatar/management/commands/__init__.py

@@ -0,0 +1 @@
+

avatar/management/commands/rebuild_avatars.py

@@ -0,0 +1,14 @@
+from django.core.management.base import NoArgsCommand
+
+from avatar.models import Avatar
+from avatar.settings import AUTO_GENERATE_AVATAR_SIZES
+
+class Command(NoArgsCommand):
+    help = "Regenerates avatar thumbnails for the sizes specified in " + \
+        "settings.AUTO_GENERATE_AVATAR_SIZES."
+    
+    def handle_noargs(self, **options):
+        for avatar in Avatar.objects.all():
+            for size in AUTO_GENERATE_AVATAR_SIZES:
+                print "Rebuilding Avatar id=%s at size %s." % (avatar.id, size)
+                avatar.create_thumbnail(size)

avatar/models.py

@@ -0,0 +1,142 @@
+import datetime
+import os
+
+from django.db import models
+from django.core.files.base import ContentFile
+from django.utils.translation import ugettext as _
+from django.utils.hashcompat import md5_constructor
+from django.utils.encoding import smart_str
+from django.db.models import signals
+
+#from django.contrib.auth.models import User
+from seahub.base.accounts import CcnetUser
+
+try:
+    from cStringIO import StringIO
+    dir(StringIO) # Placate PyFlakes
+except ImportError:
+    from StringIO import StringIO
+
+try:
+    from PIL import Image
+    dir(Image) # Placate PyFlakes
+except ImportError:
+    import Image
+
+from avatar.util import invalidate_cache
+from avatar.settings import (AVATAR_STORAGE_DIR, AVATAR_RESIZE_METHOD,
+                             AVATAR_MAX_AVATARS_PER_USER, AVATAR_THUMB_FORMAT,
+                             AVATAR_HASH_USERDIRNAMES, AVATAR_HASH_FILENAMES,
+                             AVATAR_THUMB_QUALITY, AUTO_GENERATE_AVATAR_SIZES)
+
+
+def avatar_file_path(instance=None, filename=None, size=None, ext=None):
+    tmppath = [AVATAR_STORAGE_DIR]
+    if AVATAR_HASH_USERDIRNAMES:
+        tmp = md5_constructor(instance.user.username).hexdigest()
+        tmppath.extend([tmp[0], tmp[1], instance.emailuser])
+    else:
+        tmppath.append(instance.emailuser)
+    if not filename:
+        # Filename already stored in database
+        filename = instance.avatar.name
+        if ext and AVATAR_HASH_FILENAMES:
+            # An extension was provided, probably because the thumbnail
+            # is in a different format than the file. Use it. Because it's
+            # only enabled if AVATAR_HASH_FILENAMES is true, we can trust
+            # it won't conflict with another filename
+            (root, oldext) = os.path.splitext(filename)
+            filename = root + "." + ext
+    else:
+        # File doesn't exist yet
+        if AVATAR_HASH_FILENAMES:
+            (root, ext) = os.path.splitext(filename)
+            filename = md5_constructor(smart_str(filename)).hexdigest()
+            filename = filename + ext
+    if size:
+        tmppath.extend(['resized', str(size)])
+    tmppath.append(os.path.basename(filename))
+    return os.path.join(*tmppath)
+
+def find_extension(format):
+    format = format.lower()
+
+    if format == 'jpeg':
+        format = 'jpg'
+
+    return format
+
+class Avatar(models.Model):
+    emailuser = models.CharField(max_length=255)
+    primary = models.BooleanField(default=False)
+    avatar = models.ImageField(max_length=1024, upload_to=avatar_file_path, blank=True)
+    date_uploaded = models.DateTimeField(default=datetime.datetime.now)
+    
+    def __unicode__(self):
+        return _(u'Avatar for %s') % self.emailuser
+    
+    def save(self, *args, **kwargs):
+        avatars = Avatar.objects.filter(emailuser=self.emailuser)
+        if self.pk:
+            avatars = avatars.exclude(pk=self.pk)
+        if AVATAR_MAX_AVATARS_PER_USER > 1:
+            if self.primary:
+                avatars = avatars.filter(primary=True)
+                avatars.update(primary=False)
+        else:
+            avatars.delete()
+        invalidate_cache(self.emailuser)
+        super(Avatar, self).save(*args, **kwargs)
+    
+    def delete(self, *args, **kwargs):
+        invalidate_cache(self.emailuser)
+        super(Avatar, self).delete(*args, **kwargs)
+    
+    def thumbnail_exists(self, size):
+        return self.avatar.storage.exists(self.avatar_name(size))
+    
+    def create_thumbnail(self, size, quality=None):
+        # invalidate the cache of the thumbnail with the given size first
+        invalidate_cache(self.emailuser, size)
+        try:
+            orig = self.avatar.storage.open(self.avatar.name, 'rb').read()
+            image = Image.open(StringIO(orig))
+        except IOError:
+            return # What should we do here?  Render a "sorry, didn't work" img?
+        quality = quality or AVATAR_THUMB_QUALITY
+        (w, h) = image.size
+        if w != size or h != size:
+            if w > h:
+                diff = (w - h) / 2
+                image = image.crop((diff, 0, w - diff, h))
+            else:
+                diff = (h - w) / 2
+                image = image.crop((0, diff, w, h - diff))
+            if image.mode != "RGB":
+                image = image.convert("RGB")
+            image = image.resize((size, size), AVATAR_RESIZE_METHOD)
+            thumb = StringIO()
+            image.save(thumb, AVATAR_THUMB_FORMAT, quality=quality)
+            thumb_file = ContentFile(thumb.getvalue())
+        else:
+            thumb_file = ContentFile(orig)
+        thumb = self.avatar.storage.save(self.avatar_name(size), thumb_file)
+
+    def avatar_url(self, size):
+        return self.avatar.storage.url(self.avatar_name(size))
+    
+    def avatar_name(self, size):
+        ext = find_extension(AVATAR_THUMB_FORMAT)
+        return avatar_file_path(
+            instance=self,
+            size=size,
+            ext=ext
+        )
+
+
+def create_default_thumbnails(instance=None, created=False, **kwargs):
+    if created:
+        for size in AUTO_GENERATE_AVATAR_SIZES:
+            instance.create_thumbnail(size)
+
+signals.post_save.connect(create_default_thumbnails, sender=Avatar)

avatar/settings.py

@@ -0,0 +1,23 @@
+from django.conf import settings
+
+try:
+    from PIL import Image
+    dir(Image) # Placate PyFlakes
+except ImportError:
+    import Image
+
+AVATAR_DEFAULT_SIZE = getattr(settings, 'AVATAR_DEFAULT_SIZE', 80)
+AUTO_GENERATE_AVATAR_SIZES = getattr(settings, 'AUTO_GENERATE_AVATAR_SIZES', (AVATAR_DEFAULT_SIZE,))
+AVATAR_RESIZE_METHOD = getattr(settings, 'AVATAR_RESIZE_METHOD', Image.ANTIALIAS)
+AVATAR_STORAGE_DIR = getattr(settings, 'AVATAR_STORAGE_DIR', 'avatars')
+AVATAR_GRAVATAR_BACKUP = getattr(settings, 'AVATAR_GRAVATAR_BACKUP', True)
+AVATAR_GRAVATAR_DEFAULT = getattr(settings, 'AVATAR_GRAVATAR_DEFAULT', None)
+AVATAR_DEFAULT_URL = getattr(settings, 'AVATAR_DEFAULT_URL', 'avatar/img/default.jpg')
+AVATAR_MAX_AVATARS_PER_USER = getattr(settings, 'AVATAR_MAX_AVATARS_PER_USER', 42)
+AVATAR_MAX_SIZE = getattr(settings, 'AVATAR_MAX_SIZE', 1024 * 1024)
+AVATAR_THUMB_FORMAT = getattr(settings, 'AVATAR_THUMB_FORMAT', "JPEG")
+AVATAR_THUMB_QUALITY = getattr(settings, 'AVATAR_THUMB_QUALITY', 85)
+AVATAR_HASH_FILENAMES = getattr(settings, 'AVATAR_HASH_FILENAMES', False)
+AVATAR_HASH_USERDIRNAMES = getattr(settings, 'AVATAR_HASH_USERDIRNAMES', False)
+AVATAR_ALLOWED_FILE_EXTS = getattr(settings, 'AVATAR_ALLOWED_FILE_EXTS', None)
+AVATAR_CACHE_TIMEOUT = getattr(settings, 'AVATAR_CACHE_TIMEOUT', 60*60)

avatar/signals.py

@@ -0,0 +1,4 @@
+import django.dispatch
+
+
+avatar_updated = django.dispatch.Signal(providing_args=["user", "avatar"])

avatar/templates/avatar/add.html

@@ -0,0 +1,14 @@
+{% extends "myhome_base.html" %}
+{% load i18n avatar_tags %}
+
+{% block main_panel %}
+    <p>{% trans "Your current avatar: " %}</p>
+    {% avatar user %}
+    {% if not avatars %}
+        <p>{% trans "You haven't uploaded an avatar yet. Please upload one now." %}</p>
+    {% endif %}
+    <form enctype="multipart/form-data" method="POST" action="{% url avatar_add %}">
+        {{ upload_avatar_form.as_p }}
+        <p>{% csrf_token %}<input type="submit" value="{% trans "Upload New Image" %}" /></p>
+    </form>
+{% endblock %}

avatar/templates/avatar/base.html

@@ -0,0 +1,8 @@
+<html>
+    <head>
+        <title>{% block title %}django-avatar{% endblock %}</title>
+    </head>
+    <body>
+        {% block content %}{% endblock %}
+    </body>
+</html>

avatar/templates/avatar/change.html

@@ -0,0 +1,31 @@
+{% extends "myhome_base.html" %}
+{% load i18n avatar_tags %}
+
+{% block main_panel %}
+    <h2>修改头像</h2>
+    <h3>{% trans "Your current avatar: " %}</h3>
+    {% avatar user %}
+    
+    {% comment %}
+    {% if not avatars %}
+        <p>{% trans "You haven't uploaded an avatar yet. Please upload one now." %}</p>
+    {% else %}
+        <form method="POST" action="{% url avatar_change %}">
+            <label>从已有头像中选择：</label>
+            {% for boundfield in primary_avatar_form %}
+            {{ boundfield }}
+            {% endfor %}
+            <p>{% csrf_token %}<input type="submit" value="{% trans "Choose new Default" %}" /></p>
+        </form>
+    {% endif %}
+    {% endcomment %}
+    
+    <h3 id="upload-new-avatar-hd">上传新头像：</h3>
+    <form enctype="multipart/form-data" method="POST" action="{% url avatar_add %}">
+        {% for boundfield in upload_avatar_form %}
+        {{ boundfield }}
+        {% endfor %}
+        <br />
+        <input type="submit" value="{% trans "Upload New Image" %}" />
+    </form>
+{% endblock %}

avatar/templates/avatar/confirm_delete.html

@@ -0,0 +1,21 @@
+{% extends "myhome_base.html" %}
+{% load i18n %}
+
+{% block main_panel %}
+<!--
+    <p>{% trans "Please select the avatars that you would like to delete." %}</p>
+-->
+    <h2>删除头像</h2>
+    {% if not avatars %}
+        {% url avatar_change as avatar_change_url %}
+        <p>{% blocktrans %}You have no avatars to delete. Please <a href="{{ avatar_change_url }}">upload one</a> now.{% endblocktrans %}</p>
+    {% else %}
+        <form method="POST" action="{% url avatar_delete %}">
+            <lable>请选择要删除的头像：</lable>
+            {% for boundfield in delete_avatar_form %}
+            {{ boundfield }}
+            {% endfor %}
+            <p>{% csrf_token %}<input type="submit" value="{% trans "Delete These" %}" /></p>
+        </form>
+    {% endif %}
+{% endblock %}

avatar/templates/notification/avatar_friend_updated/full.txt

@@ -0,0 +1,4 @@
+{% load i18n %}{% blocktrans with user as avatar_creator and avatar.get_absolute_url as avatar_url %}{{ avatar_creator }} has updated their avatar {{ avatar }}.
+
+http://{{ current_site }}{{ avatar_url }}
+{% endblocktrans %}

avatar/templates/notification/avatar_friend_updated/notice.html

@@ -0,0 +1,2 @@
+{% load i18n %}{% url profile_detail username=user.username as user_url %}
+{% blocktrans with user as avatar_creator and avatar.get_absolute_url as avatar_url %}<a href="{{ user_url }}">{{ avatar_creator }}</a> has updated their avatar <a href="{{ avatar_url }}">{{ avatar }}</a>.{% endblocktrans %}

avatar/templates/notification/avatar_updated/full.txt

@@ -0,0 +1,4 @@
+{% load i18n %}{% blocktrans with avatar.get_absolute_url as avatar_url %}Your avatar has been updated.  {{ avatar }}
+
+http://{{ current_site }}{{ avatar_url }}
+{% endblocktrans %}

avatar/templates/notification/avatar_updated/notice.html

@@ -0,0 +1,2 @@
+{% load i18n %}
+{% blocktrans with user as avatar_creator and avatar.get_absolute_url as avatar_url %}You have updated your avatar <a href="{{ avatar_url }}">{{ avatar }}</a>.{% endblocktrans %}

avatar/templatetags/avatar_tags.py

@@ -0,0 +1,72 @@
+import urllib
+
+from django import template
+from django.utils.translation import ugettext as _
+from django.utils.hashcompat import md5_constructor
+from django.core.urlresolvers import reverse
+
+from seahub.base.accounts import CcnetUser
+from seaserv import get_ccnetuser
+
+from avatar.settings import (AVATAR_GRAVATAR_BACKUP, AVATAR_GRAVATAR_DEFAULT,
+                             AVATAR_DEFAULT_SIZE)
+from avatar.util import get_primary_avatar, get_default_avatar_url, cache_result
+
+register = template.Library()
+
+
+@cache_result
+@register.simple_tag
+def avatar_url(user, size=AVATAR_DEFAULT_SIZE):
+    avatar = get_primary_avatar(user, size=size)
+    if avatar:
+        return avatar.avatar_url(size)
+    else:
+        if AVATAR_GRAVATAR_BACKUP:
+            params = {'s': str(size)}
+            if AVATAR_GRAVATAR_DEFAULT:
+                params['d'] = AVATAR_GRAVATAR_DEFAULT
+            return "http://www.gravatar.com/avatar/%s/?%s" % (
+                md5_constructor(user.email).hexdigest(),
+                urllib.urlencode(params))
+        else:
+            return get_default_avatar_url()
+
+@cache_result
+@register.simple_tag
+def avatar(user, size=AVATAR_DEFAULT_SIZE):
+    if not isinstance(user, CcnetUser):
+        try:
+            user = get_ccnetuser(username=user)
+            alt = unicode(user)
+            url = avatar_url(user, size)
+        except:
+            url = get_default_avatar_url()
+            alt = _("Default Avatar")
+    else:
+        alt = unicode(user)
+        url = avatar_url(user, size)
+    return """<img src="%s" alt="%s" width="%s" height="%s" class="avatar" />""" % (url, alt,
+        size, size)
+
+@cache_result
+@register.simple_tag
+def primary_avatar(user, size=AVATAR_DEFAULT_SIZE):
+    """
+    This tag tries to get the default avatar for a user without doing any db
+    requests. It achieve this by linking to a special view that will do all the 
+    work for us. If that special view is then cached by a CDN for instance,
+    we will avoid many db calls.
+    """
+    alt = unicode(user)
+    url = reverse('avatar_render_primary', kwargs={'user' : user, 'size' : size})
+    return """<img src="%s" alt="%s" width="%s" height="%s" />""" % (url, alt,
+        size, size)
+
+@cache_result
+@register.simple_tag
+def render_avatar(avatar, size=AVATAR_DEFAULT_SIZE):
+    if not avatar.thumbnail_exists(size):
+        avatar.create_thumbnail(size)
+    return """<img src="%s" alt="%s" width="%s" height="%s" />""" % (
+        avatar.avatar_url(size), str(avatar), size, size)

avatar/tests.py

@@ -0,0 +1,135 @@
+import os.path
+
+from django.test import TestCase
+from django.core.urlresolvers import reverse
+from django.conf import settings
+
+from django.contrib.auth.models import User
+
+from avatar.settings import AVATAR_DEFAULT_URL, AVATAR_MAX_AVATARS_PER_USER
+from avatar.util import get_primary_avatar
+from avatar.models import Avatar
+
+try:
+    from PIL import Image
+    dir(Image) # Placate PyFlakes
+except ImportError:
+    import Image
+    
+
+def upload_helper(o, filename):
+    f = open(os.path.join(o.testdatapath, filename), "rb")
+    response = o.client.post(reverse('avatar_add'), {
+        'avatar': f,
+    }, follow=True)
+    f.close()
+    return response
+
+class AvatarUploadTests(TestCase):
+    
+    def setUp(self):
+        self.testdatapath = os.path.join(os.path.dirname(__file__), "testdata")
+        self.user = User.objects.create_user('test', 'lennon@thebeatles.com', 'testpassword')
+        self.user.save()
+        self.client.login(username='test', password='testpassword')
+        Image.init()
+
+    def testNonImageUpload(self):
+        response = upload_helper(self, "nonimagefile")
+        self.failUnlessEqual(response.status_code, 200)
+        self.failIfEqual(response.context['upload_avatar_form'].errors, {})
+        
+    def testNormalImageUpload(self):
+        response = upload_helper(self, "test.png")
+        self.failUnlessEqual(response.status_code, 200)
+        self.failUnlessEqual(len(response.redirect_chain), 1)
+        self.failUnlessEqual(response.context['upload_avatar_form'].errors, {})
+        avatar = get_primary_avatar(self.user)
+        self.failIfEqual(avatar, None)
+        
+    def testImageWithoutExtension(self):
+        # use with AVATAR_ALLOWED_FILE_EXTS = ('.jpg', '.png')
+        response = upload_helper(self, "imagefilewithoutext")
+        self.failUnlessEqual(response.status_code, 200)
+        self.failUnlessEqual(len(response.redirect_chain), 0) # Redirect only if it worked        
+        self.failIfEqual(response.context['upload_avatar_form'].errors, {})
+        
+    def testImageWithWrongExtension(self):
+        # use with AVATAR_ALLOWED_FILE_EXTS = ('.jpg', '.png')
+        response = upload_helper(self, "imagefilewithwrongext.ogg")
+        self.failUnlessEqual(response.status_code, 200)
+        self.failUnlessEqual(len(response.redirect_chain), 0) # Redirect only if it worked        
+        self.failIfEqual(response.context['upload_avatar_form'].errors, {})
+        
+    def testImageTooBig(self):
+        # use with AVATAR_MAX_SIZE = 1024 * 1024
+        response = upload_helper(self, "testbig.png")
+        self.failUnlessEqual(response.status_code, 200)
+        self.failUnlessEqual(len(response.redirect_chain), 0) # Redirect only if it worked        
+        self.failIfEqual(response.context['upload_avatar_form'].errors, {})
+    
+    def testDefaultUrl(self):
+        response = self.client.get(reverse('avatar_render_primary', kwargs={
+            'user': self.user.username,
+            'size': 80,
+        }))
+        loc = response['Location']
+        base_url = getattr(settings, 'STATIC_URL', None)
+        if not base_url:
+            base_url = settings.MEDIA_URL
+        self.assertTrue(base_url in loc)
+        self.assertTrue(loc.endswith(AVATAR_DEFAULT_URL))
+
+    def testNonExistingUser(self):
+        a = get_primary_avatar("nonexistinguser")
+        self.failUnlessEqual(a, None)
+        
+    def testThereCanBeOnlyOnePrimaryAvatar(self):
+        for i in range(1, 10):
+            self.testNormalImageUpload()
+        count = Avatar.objects.filter(user=self.user, primary=True).count()
+        self.failUnlessEqual(count, 1)
+        
+    def testDeleteAvatar(self):
+        self.testNormalImageUpload()
+        avatar = Avatar.objects.filter(user=self.user)
+        self.failUnlessEqual(len(avatar), 1)
+        response = self.client.post(reverse('avatar_delete'), {
+            'choices': [avatar[0].id],
+        }, follow=True)
+        self.failUnlessEqual(response.status_code, 200)
+        self.failUnlessEqual(len(response.redirect_chain), 1)
+        count = Avatar.objects.filter(user=self.user).count()
+        self.failUnlessEqual(count, 0)
+        
+    def testDeletePrimaryAvatarAndNewPrimary(self):
+        self.testThereCanBeOnlyOnePrimaryAvatar()
+        primary = get_primary_avatar(self.user)
+        oid = primary.id
+        response = self.client.post(reverse('avatar_delete'), {
+            'choices': [oid],
+        })
+        primaries = Avatar.objects.filter(user=self.user, primary=True)
+        self.failUnlessEqual(len(primaries), 1)
+        self.failIfEqual(oid, primaries[0].id)
+        avatars = Avatar.objects.filter(user=self.user)
+        self.failUnlessEqual(avatars[0].id, primaries[0].id)
+
+    def testTooManyAvatars(self):
+        for i in range(0, AVATAR_MAX_AVATARS_PER_USER):
+            self.testNormalImageUpload()
+        count_before = Avatar.objects.filter(user=self.user).count()       
+        response = upload_helper(self, "test.png")
+        count_after = Avatar.objects.filter(user=self.user).count()
+        self.failUnlessEqual(response.status_code, 200)
+        self.failUnlessEqual(len(response.redirect_chain), 0) # Redirect only if it worked
+        self.failIfEqual(response.context['upload_avatar_form'].errors, {})
+        self.failUnlessEqual(count_before, count_after)
+
+    # def testAvatarOrder
+    # def testReplaceAvatarWhenMaxIsOne
+    # def testHashFileName
+    # def testHashUserName
+    # def testChangePrimaryAvatar
+    # def testDeleteThumbnailAndRecreation    
+    # def testAutomaticThumbnailCreation

avatar/urls.py

@@ -0,0 +1,8 @@
+from django.conf.urls.defaults import patterns, url
+
+urlpatterns = patterns('avatar.views',
+    url('^add/$', 'add', name='avatar_add'),
+    url('^change/$', 'change', name='avatar_change'),
+#    url('^delete/$', 'delete', name='avatar_delete'),
+    url('^render_primary/(?P<user>[\+\w]+)/(?P<size>[\d]+)/$', 'render_primary', name='avatar_render_primary'),    
+)

avatar/util.py

@@ -0,0 +1,82 @@
+from django.conf import settings
+from django.core.cache import cache
+
+from seahub.base.accounts import CcnetUser
+
+from seaserv import get_ccnetuser
+
+from avatar.settings import (AVATAR_DEFAULT_URL, AVATAR_CACHE_TIMEOUT,
+                             AUTO_GENERATE_AVATAR_SIZES, AVATAR_DEFAULT_SIZE)
+
+cached_funcs = set()
+
+def get_cache_key(user_or_username, size, prefix):
+    """
+    Returns a cache key consisten of a username and image size.
+    """
+    if isinstance(user_or_username, CcnetUser):
+        user_or_username = user_or_username.username
+    return '%s_%s_%s' % (prefix, user_or_username, size)
+
+def cache_result(func):
+    """
+    Decorator to cache the result of functions that take a ``user`` and a
+    ``size`` value.
+    """
+    def cache_set(key, value):
+        cache.set(key, value, AVATAR_CACHE_TIMEOUT)
+        return value
+
+    def cached_func(user, size):
+        prefix = func.__name__
+        cached_funcs.add(prefix)
+        key = get_cache_key(user, size, prefix=prefix)
+        return cache.get(key) or cache_set(key, func(user, size))
+    return cached_func
+
+def invalidate_cache(user, size=None):
+    """
+    Function to be called when saving or changing an user's avatars.
+    """
+    sizes = set(AUTO_GENERATE_AVATAR_SIZES)
+    if size is not None:
+        sizes.add(size)
+    for prefix in cached_funcs:
+        for size in sizes:
+            cache.delete(get_cache_key(user, size, prefix))
+
+def get_default_avatar_url():
+    base_url = getattr(settings, 'STATIC_URL', None)
+    if not base_url:
+        base_url = getattr(settings, 'MEDIA_URL', '')
+    # Don't use base_url if the default avatar url starts with http:// of https://
+    if AVATAR_DEFAULT_URL.startswith('http://') or AVATAR_DEFAULT_URL.startswith('https://'):
+        return AVATAR_DEFAULT_URL
+    # We'll be nice and make sure there are no duplicated forward slashes
+    ends = base_url.endswith('/')
+    begins = AVATAR_DEFAULT_URL.startswith('/')
+    if ends and begins:
+        base_url = base_url[:-1]
+    elif not ends and not begins:
+        return '%s/%s' % (base_url, AVATAR_DEFAULT_URL)
+    return '%s%s' % (base_url, AVATAR_DEFAULT_URL)
+
+def get_primary_avatar(user, size=AVATAR_DEFAULT_SIZE):
+    if not isinstance(user, CcnetUser):
+        try:
+            user = get_ccnetuser(username=user)
+        except:
+            return None
+    try:
+        # Order by -primary first; this means if a primary=True avatar exists
+        # it will be first, and then ordered by date uploaded, otherwise a
+        # primary=False avatar will be first.  Exactly the fallback behavior we
+        # want.
+        from seahub.avatar.models import Avatar
+        avatar = Avatar.objects.filter(emailuser=user.email, primary=1)[0]
+    except IndexError:
+        avatar = None
+    if avatar:
+        if not avatar.thumbnail_exists(size):
+            avatar.create_thumbnail(size)
+    return avatar

avatar/views.py

@@ -0,0 +1,181 @@
+from django.http import HttpResponseRedirect
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.utils.translation import ugettext as _
+from django.conf import settings
+
+from django.contrib.auth.decorators import login_required
+
+from avatar.forms import PrimaryAvatarForm, DeleteAvatarForm, UploadAvatarForm
+from avatar.models import Avatar
+from avatar.settings import AVATAR_MAX_AVATARS_PER_USER, AVATAR_DEFAULT_SIZE
+from avatar.signals import avatar_updated
+from avatar.util import get_primary_avatar, get_default_avatar_url, \
+    invalidate_cache
+
+
+def _get_next(request):
+    """
+    The part that's the least straightforward about views in this module is how they 
+    determine their redirects after they have finished computation.
+
+    In short, they will try and determine the next place to go in the following order:
+
+    1. If there is a variable named ``next`` in the *POST* parameters, the view will
+    redirect to that variable's value.
+    2. If there is a variable named ``next`` in the *GET* parameters, the view will
+    redirect to that variable's value.
+    3. If Django can determine the previous page from the HTTP headers, the view will
+    redirect to that previous page.
+    """
+    next = request.POST.get('next', request.GET.get('next',
+        request.META.get('HTTP_REFERER', None)))
+    if not next:
+        next = request.path
+    return next
+
+def _get_avatars(user):
+    # Default set. Needs to be sliced, but that's it. Keep the natural order.
+    avatars = Avatar.objects.filter(emailuser=user.email)
+    
+    # Current avatar
+    primary_avatar = avatars.order_by('-primary')[:1]
+    if primary_avatar:
+        avatar = primary_avatar[0]
+    else:
+        avatar = None
+    
+    if AVATAR_MAX_AVATARS_PER_USER == 1:
+        avatars = primary_avatar
+    else:
+        # Slice the default set now that we used the queryset for the primary avatar
+        avatars = avatars[:AVATAR_MAX_AVATARS_PER_USER]
+    return (avatar, avatars)
+
+@login_required
+def add(request, extra_context=None, next_override=None,
+        upload_form=UploadAvatarForm, *args, **kwargs):
+    if extra_context is None:
+        extra_context = {}
+    avatar, avatars = _get_avatars(request.user)
+    upload_avatar_form = upload_form(request.POST or None,
+        request.FILES or None, user=request.user)
+    if request.method == "POST" and 'avatar' in request.FILES:
+        if upload_avatar_form.is_valid():
+            avatar = Avatar(
+                emailuser = request.user.username,
+                primary = True,
+            )
+            image_file = request.FILES['avatar']
+            avatar.avatar.save(image_file.name, image_file)
+            avatar.save()
+#            request.user.message_set.create(
+#                message=_("Successfully uploaded a new avatar."))
+            avatar_updated.send(sender=Avatar, user=request.user, avatar=avatar)
+            return HttpResponseRedirect(next_override or _get_next(request))
+    return render_to_response(
+            'avatar/add.html',
+            extra_context,
+            context_instance = RequestContext(
+                request,
+                { 'avatar': avatar, 
+                  'avatars': avatars, 
+                  'upload_avatar_form': upload_avatar_form,
+                  'next': next_override or _get_next(request), }
+            )
+        )
+
+@login_required
+def change(request, extra_context=None, next_override=None,
+        upload_form=UploadAvatarForm, primary_form=PrimaryAvatarForm,
+        *args, **kwargs):
+    if extra_context is None:
+        extra_context = {}
+    avatar, avatars = _get_avatars(request.user)
+    if avatar:
+        kwargs = {'initial': {'choice': avatar.id}}
+    else:
+        kwargs = {}
+    upload_avatar_form = upload_form(user=request.user, **kwargs)
+    primary_avatar_form = primary_form(request.POST or None,
+        user=request.user, avatars=avatars, **kwargs)
+    if request.method == "POST":
+        updated = False
+        if 'choice' in request.POST and primary_avatar_form.is_valid():
+            avatar = Avatar.objects.get(id=
+                primary_avatar_form.cleaned_data['choice'])
+            avatar.primary = True
+            avatar.save()
+            updated = True
+#            request.user.message_set.create(
+#                message=_("Successfully updated your avatar."))
+        if updated:
+            avatar_updated.send(sender=Avatar, user=request.user, avatar=avatar)
+        return HttpResponseRedirect(next_override or _get_next(request))
+    return render_to_response(
+        'avatar/change.html',
+        extra_context,
+        context_instance = RequestContext(
+            request,
+            { 'avatar': avatar, 
+              'avatars': avatars,
+              'upload_avatar_form': upload_avatar_form,
+              'primary_avatar_form': primary_avatar_form,
+              'next': next_override or _get_next(request), }
+        )
+    )
+
+@login_required
+def delete(request, extra_context=None, next_override=None, *args, **kwargs):
+    if extra_context is None:
+        extra_context = {}
+    avatar, avatars = _get_avatars(request.user)
+    delete_avatar_form = DeleteAvatarForm(request.POST or None,
+        user=request.user, avatars=avatars)
+    if request.method == 'POST':
+        if delete_avatar_form.is_valid():
+            ids = delete_avatar_form.cleaned_data['choices']
+            if unicode(avatar.id) in ids and avatars.count() > len(ids):
+                # Find the next best avatar, and set it as the new primary
+                for a in avatars:
+                    if unicode(a.id) not in ids:
+                        a.primary = True
+                        a.save()
+                        avatar_updated.send(sender=Avatar, user=request.user, avatar=avatar)
+                        break
+
+            # NOTE: `Avatar.objects.filter(id__in=ids).delete()` will NOT work
+            # correctly. Sinct delete() on QuerySet will not call delete 
+            # method on avatar object.
+            for a in Avatar.objects.filter(id__in=ids):
+                a.delete()
+            
+#            request.user.message_set.create(
+#                message=_("Successfully deleted the requested avatars."))
+            return HttpResponseRedirect(next_override or _get_next(request))
+    return render_to_response(
+        'avatar/confirm_delete.html',
+        extra_context,
+        context_instance = RequestContext(
+            request,
+            { 'avatar': avatar, 
+              'avatars': avatars,
+              'delete_avatar_form': delete_avatar_form,
+              'next': next_override or _get_next(request), }
+        )
+    )
+    
+def render_primary(request, extra_context={}, user=None, size=AVATAR_DEFAULT_SIZE, *args, **kwargs):
+    size = int(size)
+    avatar = get_primary_avatar(user, size=size)
+    if avatar:
+        # FIXME: later, add an option to render the resized avatar dynamically
+        # instead of redirecting to an already created static file. This could
+        # be useful in certain situations, particulary if there is a CDN and
+        # we want to minimize the storage usage on our static server, letting
+        # the CDN store those files instead
+        return HttpResponseRedirect(avatar.avatar_url(size))
+    else:
+        url = get_default_avatar_url()
+        return HttpResponseRedirect(url)
+    

group/templates/group/group_info.html

@@ -1,5 +1,5 @@
 {% extends "myhome_base.html" %}
-{% load seahub_tags %}
+{% load seahub_tags avatar_tags %}
 
 {% block nav_group_class %}class="cur"{% endblock %}
 
@@ -8,14 +8,15 @@
 <h3>管理员</h3>
 <ul>
 {% for member in managers %}
-<li><img src="{{MEDIA_URL}}img/default-person-16.png" alt="{{ member.short_username }}的图标" class="group-member-icon" /><span class="group-member-name">{{ member.short_username }}</span></li>
+    <li class="group-member">{% avatar member.user_name 16 %}<span class="group-member-name">{{ member.short_username }}</span></li>
 {% endfor %}
+</ul>
 
 <h3>成员</h3>
 {% if common_members %}
 <ul>
     {% for member in common_members %}
-	<li><img src="{{MEDIA_URL}}img/default-person-16.png" alt="{{ member.short_username }}的图标" class="group-member-icon" /><span class="group-member-name">{{ member.short_username }}</span></li>
+	<li class="group-member">{% avatar member.user_name 16 %}<span class="group-member-name">{{ member.short_username }}</span></li>
     {% endfor %}
 </ul>
 {% else %}

media/css/seahub.css

@@ -64,6 +64,11 @@ button:hover {
     cursor:pointer;
     background: #FFF;
 }
+input[type="file"] {
+    border:none;
+    height:24px;
+    line-height:24px;
+}
 label { display: inline-block; margin:2px 0px; }
 /* table */
 table {
@@ -105,7 +110,18 @@ table img {
 .top-bar { height:20px; color:#fff; text-align:right; font-weight:bold; background:#606; }
 .top-bar-in { width:950px; margin:0 auto; }
 .top-bar a { color:#ddd; font-weight:normal; }
+.top-bar a.avatar-link {
+    display:inline-block;
+    height:16px;
+}
 .top-bar a.cur { text-decoration:underline; }
+.top-bar a,
+.top-bar span {
+    vertical-align:middle;
+}
+.top-bar span {
+    margin-right:3px;
+}
 .top-bar a:hover { background:#A0A; }
 /* header */
 #header .top-info { margin-bottom:5px;}
@@ -132,9 +148,11 @@ table img {
 #main .avatar_op ul ul label { display:block; }
 #main .avatar_op li { padding:0; background:none; }
 #main .avatar_op ul ul li { float:left; margin-right:5px; }
-.avatar { float:left; width:120px; }
+.avatar {}
 .ele_info { float:right; width:450px; }
-
+#upload-new-avatar-hd {
+    margin-top:15px;
+}
 /*narrow-panel: for form pages*/
 .narrow-panel {
     width:25em;
@@ -248,12 +266,12 @@ table img {
     text-decoration:none;
 }
 /* group */
-.group-member-icon {
+.group-member .avatar {
 	border-radius: 4px;
 	-moz-border-radius: 4px;
 	margin-right: 5px;
 }
-.group-member-icon,
+.group-member .avatar,
 .group-member-name {
 	vertical-align:middle;
 }

profile/templates/profile/user_ids.html

@@ -4,6 +4,7 @@
 <h3>操作</h3>
 <ul class="with-bg">
   <li><a href="{{ SITE_ROOT }}accounts/password/change/">修改网站帐号密码</a></li>
+  <li><a href="{{ SITE_ROOT }}avatar/change/">修改头像</a></li>
 </ul>
 {% endblock %}
 

settings.py

@@ -26,7 +26,7 @@ TIME_ZONE = 'Asia/Shanghai'
 
 # Language code for this installation. All choices can be found here:
 # http://www.i18nguy.com/unicode/language-identifiers.html
-LANGUAGE_CODE = 'zh-CN'
+LANGUAGE_CODE = 'zh_CN'
 
 SITE_ID = 1
 
@@ -99,7 +99,7 @@ INSTALLED_APPS = (
 #    'django.contrib.sites',
 #    'django.contrib.admin',
     'registration',
-#    'avatar',
+    'avatar',
     'seahub.base',
     'seahub.profile',
     'seahub.contacts',
@@ -174,10 +174,11 @@ else:
             globals()[attr] = getattr(local_settings, attr)
 
 #avatar
-#AVATAR_STORAGE_DIR = 'avatars'
-
-#AVATAR_GRAVATAR_BACKUP = False
-#AVATAR_DEFAULT_URL = MEDIA_URL + '/avatars/default.png'
+AVATAR_STORAGE_DIR = 'avatars'
+AVATAR_GRAVATAR_BACKUP = False
+AVATAR_DEFAULT_URL = '/avatars/default.png'
+AUTO_GENERATE_AVATAR_SIZES = (80, 16)
+AVATAR_MAX_AVATARS_PER_USER = 1
 
 LOGIN_URL = SITE_ROOT + 'accounts/login'
 

templates/avatar/base.html

@@ -1,3 +0,0 @@
-{% extends "accounts.html" %}
-{% block title %}个人头像{% endblock %}
-

templates/avatar/change.html

@@ -1,31 +0,0 @@
-{% extends "avatar/base.html" %}
-{% load avatar_tags %}
-
-{% block content %}
-<div class="avatar_op">
-   <h2>添加或修改头像</h2>
-   <div class="pic">
-        <h3>当前头像:</h3>
-        {% avatar user %}
-   </div>
-    <div class="text">
-    {% if not avatars %}
-        <p>您还没有自己的头像。</p>
-    {% else %}
-	<h3>从已有头像中选择:</h3>
-	<form method="POST" action="">
-            <ul>
-                {{ primary_avatar_form.as_ul }}
-            </ul>
-	    <div class="clear"></div>
-            <input type="submit" value="确定" />
-        </form>
-    {% endif %}
-    <h3>上传新头像:</h3>
-    <form enctype="multipart/form-data" method="POST" action="">
-        <input type="file" name="avatar" value="Avatar Image" /><br />
-        <input type="submit" value="提交" />
-    </form>
-   </div>
-</div>
-{% endblock %}

templates/avatar/confirm_delete.html

@@ -1,18 +0,0 @@
-{% extends "avatar/base.html" %}
-
-{% block content %}
-<div class="avatar_op">
-<h2>删除头像</h2>
-       {% if not avatars %}
-        <p>您还没有上传自己的头像。现在 <a href="{% url avatar_change %}">上传一个</a>.</p>
-    {% else %}
-        <form method="POST" action="">
-            <ul>
-                {{ delete_avatar_form.as_ul }}
-            </ul>
-<div class="clear"></div>
-            <input type="submit" value="删除" />
-        </form>
-    {% endif %}
-</div>
-{% endblock %}

templates/base.html

@@ -9,6 +9,7 @@
 <link rel="icon" type="image/png" href="{{ MEDIA_URL }}img/favicon.png" />
 
 {% block extra_style %}{% endblock %}
+{% load avatar_tags %}
 
 </head>
 <body>
@@ -23,8 +24,10 @@
 					<a href="{{ SITE_ROOT }}home/my/"{% block top_bar_myaccount_class %}{% endblock %}>我的帐号</a>
 				</div>
                 {% endif %}
+
+                <div class="fright">
                 {% if request.user.is_authenticated %}
-                欢迎, {{ request.user }}
+                <span>欢迎,</span> <a href="{% url avatar_change %}" class="avatar-link">{% avatar request.user 16 %}</a> <span>{{ request.user }}</span>
                 <a href="{{ SITE_ROOT }}profile/">设置</a>
                 <!--
                 {% if request.user.is_staff %}
@@ -39,6 +42,7 @@
                 </div>
             </div>
         </div>
+    </div>
     <div id="header">
         <div class="top-info ovhd">
             <a href="{{ SITE_ROOT }}" class="fleft"><img src="{{ MEDIA_URL }}img/logo.png" title="Seafile" alt="Seafile logo" /></a>

templates/myhome.html

@@ -1,7 +1,9 @@
 {% extends "myhome_base.html" %}
+{% load avatar_tags %}
 
 {% block nav_myhome_class %}class="cur"{% endblock %}
 {% block left_panel %}
+
 <h3>已用空间</h3>
 <p>{{ quota_usage|filesizeformat }} / 2 GB</p>
 

thirdpart/seaserv/service.py

@@ -298,11 +298,11 @@ def get_user(user_id):
 
 def get_ccnetuser(username=None, userid=None):
     # Get emailuser from db
-    if username != None:
+    if username:
         emailuser = ccnet_rpc.get_emailuser(username)
-    if userid != None:
+    if userid:
         emailuser = ccnet_rpc.get_emailuser_by_id(userid)
-    if emailuser == None:
+    if not emailuser:
         return None
     
     # And convert to ccnetuser

urls.py

@@ -55,13 +55,14 @@ urlpatterns = patterns('',
     (r'^useradmin/(?P<user_id>[^/]+)/role/remove/$', role_remove),
     (r'^useradmin/(?P<user_id>[^/]+)/user/remove/$', user_remove),
     (r'^useradmin/activate/(?P<user_id>[^/]+)/$', activate_user),
-#    (r'^avatar/', include('avatar.urls')),
+
+    (r'^avatar/', include('avatar.urls')),
+    (r'^contacts/', include('contacts.urls')),                       
     (r'^group/', include('seahub.group.urls')),
     (r'^profile/', include('seahub.profile.urls')),
-    (r'^back/local/$', back_local),
-
-    (r'^contacts/', include('contacts.urls')),
     (r'^share/', include('share.urls')),
+
+    (r'^back/local/$', back_local),
 )
 
 if settings.DEBUG: