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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_email_context(self, activation_key):
 """ Build the template context used for the activation email. """

        scheme = 'https' if self.request.is_secure() else 'http'
        return {
            'scheme': scheme,
            'activation_key': activation_key,
            'expiration_days': settings.ACCOUNT_ACTIVATION_DAYS,
            'site': get_current_site(self.request)
        }