From: Alex Dehnert <adehnert@mit.edu>
Date: Wed, 13 Mar 2013 09:26:28 +0000 (-0400)
Subject: mail-merge: allow sending to multiple emails
X-Git-Url: https://www.dehnerts.com/gitweb/?p=user%2Falex%2Fsoftware%2Fmy-snippets.git;a=commitdiff_plain;h=b3c45f41f515124b954a40e21e7fa2b71d476fcf

mail-merge: allow sending to multiple emails

This adds an option, --split=SPLIT, that allows splitting the "email" field to
send to several recipients.
---

diff --git a/mail-merge b/mail-merge
index 4e5f353..d7375f8 100755
--- a/mail-merge
+++ b/mail-merge
@@ -48,6 +48,10 @@ def parse_arguments():
             help='Set RT owner and AdminCC to USER',
             metavar='USER',
     )
+    parser.add_option('--split', dest='split',
+            help='Split "email" field on SPLIT and send to each recipient',
+            metavar='SPLIT',
+    )
     (options, args) = parser.parse_args()
     if len(args) != 3:
         parser.error("incorrect number of arguments")
@@ -55,8 +59,8 @@ def parse_arguments():
         parser.error("--rt-owner requires specifying a queue")
     return options, args
 
-def nop_msg_filter(rcpt, body):
-    return rcpt, body
+def nop_msg_filter(rcpts, body):
+    return rcpts, body
 
 def msg_filter_factory(opts):
     if not opts.rt_queue:
@@ -73,11 +77,11 @@ def msg_filter_factory(opts):
     resource = rtkit.resource.RTResource.from_rtrc(cookie)
     parser = email.parser.Parser()
 
-    def filter_rt(rcpt, body, ):
+    def filter_rt(rcpts, body, ):
         msg = parser.parsestr(body)
         content = {
             'content': {
-                'Requestors': rcpt,
+                'Requestors': ", ".join(rcpts),
                 'Queue': opts.rt_queue,
                 'Subject' : msg['Subject'],
                 'Text' : '',
@@ -102,7 +106,7 @@ def msg_filter_factory(opts):
 
         # We don't want to send mail to the real recipient, because RT
         # will send them a copy too.
-        return None, msg.as_string()
+        return [], msg.as_string()
 
     return filter_rt
 
@@ -116,10 +120,12 @@ def mail_merge(opts, cc_addr, email_file, recipients_file):
         dct = dictize_line(header, line, )
         print dct
         text = email_tmpl % dct
-        rcpt, text = msg_filter(dct['email'], text, )
-        rcpts = [cc_addr]
-        if rcpt:
-            rcpts.append(rcpt)
+        if opts.split:
+            prop_rcpts = dct['email'].split(opts.split)
+        else:
+            prop_rcpts = [dct['email']]
+        rcpts, text = msg_filter(prop_rcpts, text, )
+        rcpts.append(cc_addr)
         sendmail(rcpts, text, )
 
 if __name__=='__main__':