From a0a3805e2d6961c9e794e1cf0517727902186fb2 Mon Sep 17 00:00:00 2001
From: Stefan Wojcik <wojcikstefan@gmail.com>
Date: Sat, 15 Apr 2017 23:14:19 -0400
Subject: [PATCH] Revert "switch from octal to hex for consistency" (because of
 pypy3)

This reverts commit 7d5caf836855cc9b843d50df8b17aa4ff897bd6d.
---
 mongoengine/fields.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mongoengine/fields.py b/mongoengine/fields.py
index 7a8b359d..b631fc48 100644
--- a/mongoengine/fields.py
+++ b/mongoengine/fields.py
@@ -159,7 +159,7 @@ class EmailField(StringField):
         # `dot-atom` defined in RFC 5322 Section 3.2.3.
         r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*\Z"
         # `quoted-string` defined in RFC 5322 Section 3.2.4.
-        r'|^"([\x01-\x08\x0b\x0c\x0e-\x1f!#-\[\]-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*"\Z)',
+        r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"\Z)',
         re.IGNORECASE
     )
 
@@ -167,9 +167,9 @@ class EmailField(StringField):
         six.u(
             # RFC 6531 Section 3.3 extends `atext` (used by dot-atom) to
             # include `UTF8-non-ascii`.
-            r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z\x80-\U0010FFFF]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z\x80-\U0010FFFF]+)*\Z"
+            r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z\u0080-\U0010FFFF]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z\u0080-\U0010FFFF]+)*\Z"
             # `quoted-string`
-            r'|^"([\x01-\x08\x0b\x0c\x0e-\x1f!#-\[\]-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*"\Z)',
+            r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"\Z)'
         ), re.IGNORECASE | re.UNICODE
     )