def save_avatar_in_db(sender, uid, avatar_name, **kwargs):
if Profile.objects.filter(user_id=uid).exists():
profile = Profile.objects.get(user_id=uid)
old_avatar_name = profile.avatar_name
Profile.objects.filter(user_id=uid).update(avatar_name=avatar_name)
# delete old avatar on qiniu cloud
storage = get_default_storage()
fpath = '%s%s.%s' % (UPLOAD_AVATAR_AVATAR_ROOT, old_avatar_name, UPLOAD_AVATAR_SAVE_FORMAT)
if storage.exists(fpath):
storage.delete(fpath)
else:
Profile.objects.create(user_id=uid, avatar_name=avatar_name)
def resize_s3_image(image_path, width=200, height=200):
"""
Resize an image on s3.
The image_path is the relative path to the media storage.
"""
storage = get_default_storage()
f = storage.open(image_path)
content = f.read()
f.close()
img = Image.open(StringIO(content))
img.thumbnail((width, height), Image.ANTIALIAS)
f = storage.open(image_path, 'w')
img.save(f)
f.close()
def resize_s3_image(image_path, width=200, height=200):
"""
Resize an image on s3.
The image_path is the relative path to the media storage.
"""
storage = get_default_storage()
f = storage.open(image_path)
content = f.read()
f.close()
img = Image.open(StringIO(content))
img.thumbnail((width,height),Image.ANTIALIAS)
f = storage.open(image_path, 'w')
img.save(f)
f.close()
def crop_avatar(request):
try:
upim = UploadedImage.objects.get(uid=get_uid(request))
except UploadedImage.DoesNotExist:
raise UploadAvatarError(UPLOAD_AVATAR_TEXT['NO_IMAGE'])
image_orig = upim.get_image_path()
if not image_orig:
raise UploadAvatarError(UPLOAD_AVATAR_TEXT['NO_IMAGE'])
try:
x1 = int(float(request.POST['x1']))
y1 = int(float(request.POST['y1']))
x2 = int(float(request.POST['x2']))
y2 = int(float(request.POST['y2']))
except:
raise UploadAvatarError(UPLOAD_AVATAR_TEXT['ERROR'])
try:
orig = Image.open(image_orig)
except IOError:
raise UploadAvatarError(UPLOAD_AVATAR_TEXT['NO_IMAGE'])
orig_w, orig_h = orig.size
if orig_w <= border_size and orig_h <= border_size:
ratio = 1
else:
if orig_w > orig_h:
ratio = float(orig_w) / border_size
else:
ratio = float(orig_h) / border_size
box = [int(x * ratio) for x in [x1, y1, x2, y2]]
size = UPLOAD_AVATAR_RESIZE_SIZE[-1]
avatar = orig.crop(box)
avatar = avatar.resize((size, size), Image.ANTIALIAS)
avatar_name, _ = os.path.splitext(upim.image)
tmp_io = StringIO.StringIO()
avatar.save(tmp_io,
UPLOAD_AVATAR_SAVE_FORMAT,
quality=UPLOAD_AVATAR_SAVE_QUALITY)
tmp_file = InMemoryUploadedFile(tmp_io, None, upim.image, 'image/jpeg',
tmp_io.len, None)
fpath = '%s%s.%s' % (UPLOAD_AVATAR_AVATAR_ROOT, avatar_name,
UPLOAD_AVATAR_SAVE_FORMAT)
storage = get_default_storage()
if not storage.exists(fpath):
storage.save(fpath, tmp_file)
# def _resize(size):
# res = avatar.resize((size, size), Image.ANTIALIAS)
# res_name = '%s-%d.%s' % (avatar_name, size, UPLOAD_AVATAR_SAVE_FORMAT)
# res_path = os.path.join(UPLOAD_AVATAR_AVATAR_ROOT, res_name)
# res.save(res_path, UPLOAD_AVATAR_SAVE_FORMAT, quality=UPLOAD_AVATAR_SAVE_QUALITY)
#
# for size in UPLOAD_AVATAR_RESIZE_SIZE:
# _resize(size)
avatar_crop_done.send(sender=None,
uid=get_uid(request),
avatar_name=avatar_name)
if UPLOAD_AVATAR_DELETE_ORIGINAL_AFTER_CROP:
upim.delete()
# return redirect(reverse('profile.index'))
return HttpResponse(
"<script>window.parent.crop_avatar_success('%s')</script>" %
UPLOAD_AVATAR_TEXT['SUCCESS'])
