Methods for obfuscating E-Mail addresses via HTML comments and JavaScript to prevent some spam in Django

email_obfuscation.py

"""
Requires django (mark_safe and escape)

Add the following two properties to your model (and update the naming of the email field)    
In your templates: <a href="{{ person.email_obfuscated_href }}">{{ person.email_obfuscated_name }}</a>

Result: <a href="javascript:window.location.href = 'mailto:' + ['max', 'mustermann.com'].join('@')">max<!---->@<!---->mustermann.com</a>

Inspired by https://github.com/Blueshoe/djangocms-link2
"""

@property
def email_obfuscated_href(self):
    name, domain = self.email.split('@')
    return 'javascript:window.location.href = \'mailto:\' + [\'{}\', \'{}\'].join(\'@\')'.format(name, domain)

@property
def email_obfuscated_name(self):
    name, domain = self.email.split('@')
    return mark_safe('{}<!---->@<!---->{}'.format(escape(name), escape(domain)))