def create_thumbnail(self, size, quality=None):
# invalidate the cache of the thumbnail with the given size first
if isinstance(self, Avatar):
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 != "RGBA":
image = image.convert("RGBA")
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 create_thumbnail(self, size, quality=None):
# invalidate the cache of the thumbnail with the given size first
if isinstance(self, Avatar):
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 != "RGBA":
image = image.convert("RGBA")
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 save(self, *args, **kwargs):
avatars = Avatar.objects.filter(emailuser=self.emailuser)
if not self.pk:
avatars.delete()
else:
avatars.exclude(pk=self.pk).delete()
invalidate_cache(self.emailuser)
super(Avatar, self).save(*args, **kwargs)
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 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 delete(self, *args, **kwargs):
invalidate_cache(self.emailuser)
super(Avatar, self).delete(*args, **kwargs)
