From d0160c3b7e42a18e36c7e3e1b8c2c0eae7b93618 Mon Sep 17 00:00:00 2001
From: Cristian Libotean <cristian.libotean@porsche-engineering.ro>
Date: Thu, 2 Mar 2023 10:56:51 +0200
Subject: [PATCH] Added contains() and lacks() comparison methods suggested in
 issue #43.

---
 odata/property.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/odata/property.py b/odata/property.py
index 35814ed..2c7fc02 100644
--- a/odata/property.py
+++ b/odata/property.py
@@ -194,6 +194,16 @@ def endswith(self, value):
         value = self.escape_value(value)
         return u'endswith({0}, {1})'.format(self.name, value)
 
+    def contains(self, value):
+        """Extend the StringProperty with contains method"""
+        value = self.escape_value(value)
+        return u'contains({0}, {1})'.format(self.name, value)
+
+    def lacks(self, value):
+        """Does not contain"""
+        value = self.escape_value(value)
+        return u'not(contains({0}, {1}))'.format(self.name, value)
+
 
 class IntegerProperty(PropertyBase):
     """