""" Email message and email sending related helper functions. """ import socket from django.utils.encoding import punycode # Cache the hostname, but do it lazily: socket.getfqdn() can take a couple of # seconds, which slows down the restart of the server. class CachedDnsName: def __str__(self): return self.get_fqdn() def get_fqdn(self): if not hasattr(self, "_fqdn"): self._fqdn = punycode(socket.getfqdn()) return self._fqdn DNS_NAME = CachedDnsName()