Issue #10811: Fix recursive usage of cursors. Instead of crashing, raise a ProgrammingError now.
diff --git a/Lib/sqlite3/test/regression.py b/Lib/sqlite3/test/regression.py
index 7d0553d..c7551e3 100644
--- a/Lib/sqlite3/test/regression.py
+++ b/Lib/sqlite3/test/regression.py
@@ -281,6 +281,28 @@
# Lone surrogate cannot be encoded to the default encoding (utf8)
"\uDC80", collation_cb)
+ def CheckRecursiveCursorUse(self):
+ """
+ http://bugs.python.org/issue10811
+
+ Recursively using a cursor, such as when reusing it from a generator led to segfaults.
+ Now we catch recursive cursor usage and raise a ProgrammingError.
+ """
+ con = sqlite.connect(":memory:")
+
+ cur = con.cursor()
+ cur.execute("create table a (bar)")
+ cur.execute("create table b (baz)")
+
+ def foo():
+ cur.execute("insert into a (bar) values (?)", (1,))
+ yield 1
+
+ with self.assertRaises(sqlite.ProgrammingError):
+ cur.executemany("insert into b (baz) values (?)",
+ ((i,) for i in foo()))
+
+
def suite():
regression_suite = unittest.makeSuite(RegressionTests, "Check")
return unittest.TestSuite((regression_suite,))