封装了Django的send_mail函数，方便在localhost进行邮件相关的测试
作者：半瓶墨水 链接：http://www.2maomao.com/blog/django-localhost-mail-test/
最近在为发芽网添加一些邮件通知功能
由于本地没有邮件服务器，在发邮件的那段代码就会产生异常
虽然在发生异常时仍可以通过Debug=True来看本地变量的值，但是这样毕竟很不爽
很多天以前在Python-cn讨论组问过这个问题，其中Leo Jay和Zoom Quiet的回答很不错，提出根据server的地址或者端口来判断，本地一般不是80端口，而且一般是127.0.0.1，所以比较好判断
这样就可以封一个mock，本地自动采用print打出来，Server端则可以正常收发Email
最近工作太忙，直到今日才有时间实现，代码如下：
def my_send_mail(request, subject, body, sender, recv_list, reply_to=None):
""”send_mail wrapper: write to command line if it's called on localhost
""”
local = "127.0.0.1"
if request.META['HTTP_HOST'][:len(local)] == local:
print "Subject:", subject
print "From:", sender
print "To:", recv_list
if reply_to:
print "Reply-To:", reply_to
print "Body:\n", body
else:
if reply_to:
email = EmailMessage(
subject,
body,
sender,
recv_list,
[],
headers = {'Reply-To': reply_to})
email.send()
else:
send_mail(subject, body, sender, recv_list)
""”send_mail wrapper: write to command line if it's called on localhost
""”
local = "127.0.0.1"
if request.META['HTTP_HOST'][:len(local)] == local:
print "Subject:", subject
print "From:", sender
print "To:", recv_list
if reply_to:
print "Reply-To:", reply_to
print "Body:\n", body
else:
if reply_to:
email = EmailMessage(
subject,
body,
sender,
recv_list,
[],
headers = {'Reply-To': reply_to})
email.send()
else:
send_mail(subject, body, sender, recv_list)
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