def send_activation_email(self, user):
activation_key = self.get_activation_key(user)<EOL>context = self.get_email_context(activation_key)<EOL>context.update({<EOL>'<STR_LIT:user>': user<EOL>})<EOL>subject = render_to_string(self.email_subject_template,<EOL>context)<EOL>subject = '<STR_LIT>'.join(subject.splitlines())<EOL>message = render_to_string(self.email_body_template,<EOL>context)<EOL>user.email_user(subject, message, conf.get('<STR_LIT>'))<EOL>
Send the activation email. The activation key is the username,
signed using TimestampSigner.