def get_image_bitmap(image_id):
try:
# read get_image_bitmap parameter and check its constraints
image_id = int(image_id)
except ValueError:
return json.dumps({'error': 'the value has the wrong type'}), 500
try:
# Construct url from params
image = Image.get_by_id(image_id)
source = BASE_URL_DATASET + image.src
response = requests.get(source)
headers = dict(filter(
lambda header: header[0] in [
'Content-Type', 'ETag', 'Last-Modified'],
response.headers.items()
))
return response.content, 200, headers
except:
return json.dumps({'error': 'An error occured'}), 500
