Files
edx-platform/lms/djangoapps/verify_student/image.py
aarif fd3a83236a ran python-modernize and isort on files mentioned in INCR-446
changes made to comply with quality

changes made to comply with quality

changes made to comply with quality
2019-07-16 15:14:12 +05:00

37 lines
710 B
Python

"""
Image encoding helpers for the verification app.
"""
from __future__ import absolute_import
import logging
log = logging.getLogger(__name__)
class InvalidImageData(Exception):
"""
The provided image data could not be decoded.
"""
pass
def decode_image_data(data):
"""
Decode base64-encoded image data.
Arguments:
data (str): The raw image data, base64-encoded.
Returns:
str
Raises:
InvalidImageData: The image data could not be decoded.
"""
try:
return (data.split(",")[1]).decode("base64")
except (IndexError, UnicodeEncodeError):
log.exception("Could not decode image data")
raise InvalidImageData