From 6cb021f4aeeb67e8bae2f626159e206f7a706d22 Mon Sep 17 00:00:00 2001
From: David Halter <davidhalter88@gmail.com>
Date: Wed, 10 Jul 2013 08:55:23 +0200
Subject: [PATCH] add memoize decorator to an Instance method, fixes
 RecursionError of #239

---
 jedi/evaluate_representation.py               |  1 +
 test/completion/import_tree/recurse_class1.py |  5 +++++
 test/completion/import_tree/recurse_class2.py |  4 ++++
 test/completion/imports.py                    | 10 +++++++++-
 4 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 test/completion/import_tree/recurse_class1.py
 create mode 100644 test/completion/import_tree/recurse_class2.py

diff --git a/jedi/evaluate_representation.py b/jedi/evaluate_representation.py
index e5766d21..f120e73e 100644
--- a/jedi/evaluate_representation.py
+++ b/jedi/evaluate_representation.py
@@ -84,6 +84,7 @@ class Instance(use_metaclass(cache.CachedMetaClass, Executable)):
         except IndexError:
             return None
 
+    @cache.memoize_default([])
     def get_self_properties(self):
         def add_self_dot_name(name):
             n = copy.copy(name)
diff --git a/test/completion/import_tree/recurse_class1.py b/test/completion/import_tree/recurse_class1.py
new file mode 100644
index 00000000..773408c8
--- /dev/null
+++ b/test/completion/import_tree/recurse_class1.py
@@ -0,0 +1,5 @@
+import recurse_class2
+
+class C(recurse_class2.C):
+    def a(self):
+        pass
diff --git a/test/completion/import_tree/recurse_class2.py b/test/completion/import_tree/recurse_class2.py
new file mode 100644
index 00000000..42f84efb
--- /dev/null
+++ b/test/completion/import_tree/recurse_class2.py
@@ -0,0 +1,4 @@
+import recurse_class1
+
+class C(recurse_class1.C):
+    pass
diff --git a/test/completion/imports.py b/test/completion/imports.py
index 83a4a721..19bebecb 100644
--- a/test/completion/imports.py
+++ b/test/completion/imports.py
@@ -196,7 +196,7 @@ import datetime.
 #? []
 import datetime.date
 
-#? 18 ['mod1', 'random', 'pkg', 'rename1', 'rename2', 'import']
+#? 18 ['mod1', 'random', 'pkg', 'rename1', 'rename2', 'import', 'recurse_class1', 'recurse_class2']
 from import_tree. import pkg
 
 #? 18 ['pkg']
@@ -236,3 +236,11 @@ import json, datetime
 from import_tree.mod1 import c
 #? set
 c
+
+from import_tree import recurse_class1
+
+#? ['a']
+recurse_class1.C.a
+# github #239 RecursionError
+#? ['a']
+recurse_class1.C().a