Fixed #10355 -- Added an API for pluggable e-mail backends.

Thanks to Andi Albrecht for his work on this patch, and to everyone else that contributed during design and development.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11709 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 19 insertions, 0 deletions

diff --git a/django/core/mail/utils.py b/django/core/mail/utils.py
new file mode 100644
index 0000000000..322a3a1b79
--- /dev/null
+++ b/django/core/mail/utils.py
@@ -0,0 +1,19 @@
+"""
+Email message and email sending related helper functions.
+"""
+
+import socket
+
+
+# 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(object):
+    def __str__(self):
+        return self.get_fqdn()
+
+    def get_fqdn(self):
+        if not hasattr(self, '_fqdn'):
+            self._fqdn = socket.getfqdn()
+        return self._fqdn
+
+DNS_NAME = CachedDnsName()