Added a couple of files used for tests.

sandbox/misc_dbapi_test.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+"""
+Test if the arguments object can be used with both positional and keyword
+arguments.
+"""
+
+class O(object):
+
+    def __init__(self, *args, **kwds):
+        self.args = args
+        self.kwds = kwds
+
+    def __getitem__(self, k):
+        if isinstance(k, int):
+            return self.args[k]
+        else:
+            return self.kwds[k]
+
+o = O('R%', second='S%')
+
+print o[0]
+print o['second']
+
+
+#-------------------------------------------------------------------------------
+
+import psycopg2 as dbapi
+
+
+conn = dbapi.connect(database='test')
+                    
+                   
+
+cursor = conn.cursor()
+cursor.execute("""
+
+  SELECT * FROM location_pretty
+    WHERE keyname LIKE %s OR keyname LIKE %(second)s
+
+  """, (o,))
+
+for row in cursor:
+    print row
+
+

sandbox/trigger-commit-fail.py

@@ -0,0 +1,44 @@
+import psycopg2
+import traceback
+
+# Change the table here to something the user can create tables in ...
+db = psycopg2.connect('dbname=test')
+
+cursor = db.cursor()
+
+print 'Creating tables and sample data'
+
+cursor.execute('''
+  CREATE TEMPORARY TABLE foo (
+    id int PRIMARY KEY
+  )''')
+cursor.execute('''
+  CREATE TEMPORARY TABLE bar (
+    id int PRIMARY KEY,
+    foo_id int,
+    CONSTRAINT bar_foo_fk FOREIGN KEY (foo_id) REFERENCES foo(id) DEFERRABLE
+  )''')
+cursor.execute('INSERT INTO foo VALUES (1)')
+cursor.execute('INSERT INTO bar VALUES (1, 1)')
+
+db.commit()
+
+print 'Deferring constraint and breaking referential integrity'
+cursor.execute('SET CONSTRAINTS bar_foo_fk DEFERRED')
+cursor.execute('UPDATE bar SET foo_id = 42 WHERE id = 1')
+
+print 'Committing (this should fail)'
+try:
+    db.commit()
+except:
+    traceback.print_exc()
+
+print 'Rolling back connection'
+db.rollback()
+
+print 'Running a trivial query'
+try:
+    cursor.execute('SELECT TRUE')
+except:
+    traceback.print_exc()
+print 'db.closed:', db.closed