Store Django filenames as ASCII - ASCIIFileSystemStorage

storage.py

from django.core.files.storage import FileSystemStorage
import unidecode


class ASCIIFileSystemStorage(FileSystemStorage):
    """
    Convert unicode characters in name to ASCII characters.
    """
    def get_valid_name(self, name):
        name = unidecode.unidecode(name)
        return super(ASCIIFileSystemStorage, self).get_valid_name(name)