utils.py 文件源码

def process_email(email):
    """Validates that the email is valid.

    Return email ascii encoded if valid, None if not.
    """
    if not email:
        return None

    email = force_unicode(email)
    try:
        # NOTE SFDC doesn't support SMPTUTF8, so we cannot enable support
        #      here until they do or we switch providers
        info = validate_email(email, allow_smtputf8=False,
                              check_deliverability=False)
    except EmailNotValidError:
        return None

    return info.get('email_ascii', None)