From 722b164d56a7979ce4da81f54378942fb16f38d5 Mon Sep 17 00:00:00 2001
From: Salvo 'LtWorf' Tomaselli <tiposchi@tiscali.it>
Date: Sat, 23 Apr 2016 15:19:32 +0200
Subject: [PATCH] Fix Python code generator to correctly escape strings

A string that contained escape symbols was not correctly escaped
when generating the Python code for the selection.

This could cause selection operations to fail to compile.
---
 CHANGELOG            | 1 +
 relational/parser.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 8c3decc..95a2a28 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@
 - Changes to make failures in commutative operators commutative too
 - Added new optimization to remove useless joins
 - Correct optimization over selection and product
+- Fix Python code generator to correctly escape strings
 
 2.4
 - Improve error reporting
diff --git a/relational/parser.py b/relational/parser.py
index 187cb8d..c852cfb 100644
--- a/relational/parser.py
+++ b/relational/parser.py
@@ -194,7 +194,7 @@ class Node (object):
                 prop = '{\"%s\"}' % prop.replace(
                     ',', '\",\"').replace(ARROW, '\":\"').replace(' ', '')
             else:  # Selection
-                prop = '\"%s\"' % prop
+                prop = repr(prop)
 
             return '%s.%s(%s)' % (self.child.toPython(), op_functions[self.name], prop)
         return self.name