From 08926eb4a14ab03818059ac629e0c476f661e9aa Mon Sep 17 00:00:00 2001
From: matham <moiein2000@gmail.com>
Date: Thu, 18 Feb 2016 19:50:03 -0500
Subject: [PATCH] Make kv string detection more robust.

Should make all legal python quoting legal in KV. Including mutliline text.
---
 kivy/lang/parser.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kivy/lang/parser.py b/kivy/lang/parser.py
index de885ec84..0aee7d24f 100755
--- a/kivy/lang/parser.py
+++ b/kivy/lang/parser.py
@@ -34,7 +34,11 @@ Cache.register('kv.lang')
 __KV_INCLUDES__ = []
 
 # precompile regexp expression
-lang_str = re.compile('([\'"][^\'"]*[\'"])')
+lang_str = re.compile(
+    "((?:'''.*?''')|"
+    "(?:(?:(?<!')|''')'(?:[^']|\\\\')+?'(?:(?!')|'''))|"
+    '(?:""".*?""")|'
+    '(?:(?:(?<!")|""")"(?:[^"]|\\\\")+?"(?:(?!")|""")))', re.DOTALL)
 lang_key = re.compile('([a-zA-Z_]+)')
 lang_keyvalue = re.compile('([a-zA-Z_][a-zA-Z0-9_.]*\.[a-zA-Z0-9_.]+)')
 lang_tr = re.compile('(_\()')