Fixed return values of all the new render functions

Oops. I should really check the output of the script, not just whether
it crashes in the expected place.

mbox2web

@@ -88,7 +88,7 @@ def render_body(msg):
         context = {
             "body": msg.get_payload(decode=True).decode(msg.get_charset() or "iso-8859-1")
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
     def render_multipart_mixed(msg):
         parts = msg.get_payload()
         if type(parts) == str:
@@ -101,7 +101,7 @@ def render_body(msg):
         context = {
             "parts": partshtml
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
     def render_multipart_digest(msg):
         partshtml = []
         for part in msg.get_payload():
@@ -110,7 +110,7 @@ def render_body(msg):
         context = {
             "parts": partshtml
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
     def render_message_rfc822(msg):
         partshtml = []
         for part in msg.get_payload():
@@ -119,7 +119,7 @@ def render_body(msg):
         context = {
             "parts": partshtml
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
     def render_text_html(msg):
         htmlpart = HTMLPart()
         htmlpart.feed(msg.get_payload(decode=True).decode(msg.get_charset() or "iso-8859-1"))
@@ -127,7 +127,7 @@ def render_body(msg):
         context = {
             "body": jinja2.Markup(htmlpart.as_string())
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
     def render_text_enriched(msg):
         payload = msg.get_payload(decode=True).decode(msg.get_charset() or "iso-8859-1")
         tepart = TextEnrichedPart(payload)
@@ -135,7 +135,7 @@ def render_body(msg):
         context = {
             "body": jinja2.Markup(tepart.as_string())
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
     def render_message_partial(msg):
         # Default header for get_param is Content-Type
         whole_msg_id = msg.get_param("id")
@@ -156,14 +156,14 @@ def render_body(msg):
                 whole_msg_embedded_id = whole_msg_id
             archive(whole_msg)
             del partial_message_cache[whole_msg_id]
-        bodyhtml = "<p>This is part %d of %d of <a href='../%s/'>%s</a></p>" % (
+        return "<p>This is part %d of %d of <a href='../%s/'>%s</a></p>" % (
                         int(msg.get_param("number")),
                         int(msg.get_param("total")),
                         encode_message_id(whole_msg_id),
                         html.escape(whole_msg_id))
 
     def render_application_octet_stream(msg):
-        bodyhtml = save_part(msg, "attachment")
+        return save_part(msg, "attachment")
 
     def render_multipart_signed(msg):
         content, signature = msg.get_payload()
@@ -187,7 +187,7 @@ def render_body(msg):
             "gpgresult": gpgresult,
             "gpgstatus": gpgstatus,
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
 
     def render_application_pgp(msg):
         with tempfile.NamedTemporaryFile(buffering=0) as content_fh:
@@ -210,7 +210,7 @@ def render_body(msg):
             "gpgresult": gpgresult,
             "gpgstatus": gpgstatus,
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
 
     def render_multipart_alternative(msg):
         partshtml = []
@@ -223,24 +223,24 @@ def render_body(msg):
             "types": partstypes,
             "parts": partshtml,
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
 
     def render_application_x_unknown_content_type_scpfile(msg):
         bodytmpl = jenv.get_template("body_application_x-unknown-content-type-scpfile.html")
         context = {
             "body": msg.get_payload(decode=True).decode(msg.get_charset() or "iso-8859-1")
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
 
     def render_application_pgp_signature(msg):
         # A PGP signature outside of a multipart/signed - useless
         bodytmpl = jenv.get_template("body_application_pgp-signature.html")
         context = {
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
 
     def render_application_x_gzip(msg):
-        bodyhtml = save_part(msg, "attachment")
+        return save_part(msg, "attachment")
 
     def render_message_news(msg):
         partshtml = []
@@ -251,10 +251,10 @@ def render_body(msg):
             "msg": msg,
             "parts": partshtml,
         }
-        bodyhtml = bodytmpl.render(context)
+        return bodytmpl.render(context)
 
     def render_image_gif(msg):
-        bodyhtml = save_part(msg, "inline")
+        return save_part(msg, "inline")
 
     renderers = {
         "text/plain": render_text_plain,