From 9082b0abe5b22aecb275afe6b63028a7d721cd32 Mon Sep 17 00:00:00 2001
From: Henrik Levkowetz <henrik@levkowetz.com>
Date: Wed, 22 Mar 2017 09:50:07 +0000
Subject: [PATCH] Another tweak to the rev pattern, and exception handling when
 breaking apart name an rev for documents which don't use the charter rev
 model.  - Legacy-Id: 13057

---
 ietf/doc/views_doc.py | 3 +++
 ietf/settings.py      | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ietf/doc/views_doc.py b/ietf/doc/views_doc.py
index 75202f440..f6dc804b6 100644
--- a/ietf/doc/views_doc.py
+++ b/ietf/doc/views_doc.py
@@ -609,6 +609,9 @@ def document_html(request, name, rev=None):
         name = "rfc" + name[3:].lstrip('0')
     if name.startswith('review-') and re.search('-\d\d\d\d-\d\d$', name):
         name = "%s-%s" % (name, rev)
+    if rev and not name.startswith('charter-') and re.search('[0-9]{1,2}-[0-9]{2}', rev):
+        name = "%s-%s" % (name, rev[:-3])
+        rev = rev[-2:]
     docs = Document.objects.filter(docalias__name=name)
     if not docs.exists():
         # handle some special cases, like draft-ietf-tsvwg-ieee-802-11
diff --git a/ietf/settings.py b/ietf/settings.py
index b8b6e9713..3998ba986 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -531,7 +531,7 @@ URL_REGEXPS = {
     "charter": r"(?P<name>charter-[-a-z0-9]+)",
     "date": r"(?P<date>\d{4}-\d{2}-\d{2})",
     "name": r"(?P<name>([A-Za-z0-9_+-]+?|%s))" % DRAFT_NAMES_WITH_DOT,
-    "rev": r"(?P<rev>[0-9-]{2})",
+    "rev": r"(?P<rev>[0-9]{1,2}(-[0-9]{2})?)",
     "owner": r"(?P<owner>[-A-Za-z0-9\'+._]+@[A-Za-z0-9-._]+)",
     "schedule_name": r"(?P<name>[A-Za-z0-9-:_]+)",
 }