[pypy-commit] pypy default: Issue1591: sqlite should swallow exceptions raised in adapter.

[amauryfa]

Author: Amaury Forgeot d'Arc <amaur...@gmail.com>
Branch: 
Changeset: r66355:6181c1116a92
Date: 2013-08-26 23:27 +0200
http://bitbucket.org/pypy/pypy/changeset/6181c1116a92/

Log:    Issue1591: sqlite should swallow exceptions raised in adapter.

diff --git a/lib_pypy/_sqlite3.py b/lib_pypy/_sqlite3.py
--- a/lib_pypy/_sqlite3.py
+++ b/lib_pypy/_sqlite3.py
@@ -1229,7 +1229,10 @@
         if cvt is not None:
             param = cvt(param)
 
-        param = adapt(param)
+        try:
+            param = adapt(param)
+        except:
+            pass  # And use previous value
 
         if param is None:
             rc = _lib.sqlite3_bind_null(self._statement, idx)
diff --git a/pypy/module/test_lib_pypy/test_sqlite3.py 
b/pypy/module/test_lib_pypy/test_sqlite3.py
--- a/pypy/module/test_lib_pypy/test_sqlite3.py
+++ b/pypy/module/test_lib_pypy/test_sqlite3.py
@@ -228,3 +228,18 @@
     cur = con.cursor()
     cur.execute(u'SELECT 1 as m&#233;il')
     assert cur.description[0][0] == u"m&#233;il".encode('utf-8')
+
+def test_adapter_exception(con):
+    def cast(obj):
+        raise ZeroDivisionError
+
+    _sqlite3.register_adapter(int, cast)
+    try:
+        cur = con.cursor()
+        cur.execute("select ?", (4,))
+        val = cur.fetchone()[0]
+        # Adapter error is ignored, and parameter is passed as is.
+        assert val == 4
+        assert type(val) is int
+    finally:
+        del _sqlite3.adapters[(int, _sqlite3.PrepareProtocol)]
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