def upload_image(request):
filename = request.POST['file'].filename
input_file = request.POST['file'].file
obj_id = request.matchdict['id']
obj_type = request.matchdict['type']
path_to_images = os.path.join(os.path.dirname(nextgisbio.__file__),
'static/data/images')
date_now = datetime.datetime.now().strftime('%Y-%m-%d')
path_to_images_now = os.path.join(path_to_images, date_now)
if not os.path.exists(path_to_images_now):
os.mkdir(path_to_images_now)
# from http://stackoverflow.com/questions/2782229/most-lightweight-way-to-create-a-random-string-and-a-random-hexadecimal-number
random_file_name = str(uuid.uuid4())
base_file_path = os.path.join(path_to_images_now,
'.'.join([random_file_name, 'jpg']))
with open(base_file_path, 'wb') as output_file:
shutil.copyfileobj(input_file, output_file)
for key_size in THUMBNAIL_SIZES:
try:
im = Image.open(base_file_path)
im.thumbnail(THUMBNAIL_SIZES[key_size], Image.BICUBIC)
im.save(os.path.join(
path_to_images_now,
'.'.join([random_file_name + '_' + key_size, 'jpg'])),
'JPEG',
quality=70)
except IOError:
print "cannot create thumbnail for '%s'" % base_file_path
with transaction.manager:
dbSession = DBSession()
image = Images()
image.name = filename
image.url = '/static/data/images/%s/%s.jpg' % (date_now,
random_file_name)
image.size = os.path.getsize(base_file_path)
image.local = base_file_path
dbSession.add(image)
if obj_type == 'card':
card_image = CardsImages()
card_image.image = image
card_image.card = dbSession.query(Cards).filter_by(id=obj_id).one()
dbSession.add(card_image)
photo_json = image.as_json_dict()
return photo_json
