Added ability to handle non text/* MIME types.

The main problem was the encoding/decoding that was happening to _all_
input/output.  Now many I/O activities have a `binary' option to
disable any encoding/decoding.  The `binary' flag is set whenever the
comment content-type is not a text/* type.

In order to print valid XML (and make life easy on xml/be-xml-to-mbox),
non text/* types are printed out as base64-encoded MIME messages, so
  be list --xml | be-xml-to-mbox | catmutt
works as you'd expect.

With the standard (non-XML) output from `be show', we just print a
message telling the user that we can't reasonably display the MIME
type and that they should use the XML output if they want to see it.

1 files changed, 7 insertions, 4 deletions

diff --git a/xml/be-xml-to-mbox b/xml/be-xml-to-mbox
index b0a4cba..e5fec3b 100755
--- a/xml/be-xml-to-mbox
+++ b/xml/be-xml-to-mbox
@@ -116,14 +116,17 @@ class Comment (LimitedAttrDict):
         print "Message-ID: <%s@%s>" % (self["uuid"], DEFAULT_DOMAIN)
         print "Date: %s" % self["date"]
         print "From: %s" % self["from"]
-        print "Content-Type: %s; charset=%s" % (self["content-type"], DEFAULT_ENCODING)
-        print "Content-Transfer-Encoding: 8bit"
         print "Subject: %s: %s" % (self["short-name"], bug["summary"])
         if "in-reply-to" not in self.keys():
             self["in-reply-to"] = bug["uuid"]
         print "In-Reply-To: <%s@%s>" % (self["in-reply-to"], DEFAULT_DOMAIN)
-        print ""
-        print self["body"]
+        if self["content-type"].startswith("text/"):
+            print "Content-Transfer-Encoding: 8bit"
+            print "Content-Type: %s; charset=%s" % (self["content-type"], DEFAULT_ENCODING)
+            print ""
+            print self["body"]
+        else: # content type and transfer encoding already in XML MIME output
+            print self["body"]
         print ""
 
 class BE_list_handler (ContentHandler):