django-helpdeskmig/helpdesk/validators.py

16 lines
532 B
Python

# validators.py
#
# validators for file uploads, etc.
def validate_file_extension(value):
import os
from django.core.exceptions import ValidationError
ext = os.path.splitext(value.name)[1] # [0] returns path+filename
valid_extensions = ['.txt', '.pdf', '.doc', '.docx', '.odt', '.jpg', '.png']
# TODO: we might improve this with more thorough checks of file types
# rather than just the extensions.
if not ext.lower() in valid_extensions:
raise ValidationError('Unsupported file extension.')