From 0adffa59ffc85e95191a64a307726d8364ff539b Mon Sep 17 00:00:00 2001
From: Radko Krkos <krkos@cesnet.cz>
Date: Thu, 20 Jul 2017 17:33:25 +0200
Subject: [PATCH] Server: Use raw strings for regexps in modify_client()

---
 warden3/warden_server/warden_server.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/warden3/warden_server/warden_server.py b/warden3/warden_server/warden_server.py
index 96eca7f..dd9d787 100644
--- a/warden3/warden_server/warden_server.py
+++ b/warden3/warden_server/warden_server.py
@@ -1505,7 +1505,7 @@ def modify_client(**kwargs):
             return False
         if hostname.endswith("."): # A single trailing dot is legal
             hostname = hostname[:-1] # strip exactly one dot from the right, if present
-        disallowed = re.compile("[^A-Z\d-]", re.IGNORECASE)
+        disallowed = re.compile(r"[^A-Z\d-]", re.IGNORECASE)
         return all( # Split by labels and verify individually
             (label and len(label) <= 63 # length is within proper range
              and not label.startswith("-") and not label.endswith("-") # no bordering hyphens
@@ -1513,12 +1513,12 @@ def modify_client(**kwargs):
             for label in hostname.split("."))
 
     def isValidNSID(nsid):
-        allowed = re.compile("^(?:[a-zA-Z_][a-zA-Z0-9_]*\\.)*[a-zA-Z_][a-zA-Z0-9_]*$")
+        allowed = re.compile(r"^(?:[a-zA-Z_][a-zA-Z0-9_]*\.)*[a-zA-Z_][a-zA-Z0-9_]*$")
         return allowed.match(nsid)
 
     def isValidEmail(mail):
         mails = (email.utils.parseaddr(m) for m in mail.split(","))
-        allowed = re.compile("^[a-zA-Z0-9_.%!+-]+@[a-zA-Z0-9-.]+$") # just basic check
+        allowed = re.compile(r"^[a-zA-Z0-9_.%!+-]+@[a-zA-Z0-9-.]+$") # just basic check
         valid = (allowed.match(ms[1]) for ms in mails)
         return all(valid)
 
-- 
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