Use the connection.info properties instead of the legacy methodsconnection-info

15 files changed, 78 insertions, 77 deletions

diff --git a/doc/src/extensions.rst b/doc/src/extensions.rst
index 10ed81a..990fc6d 100644
--- a/doc/src/extensions.rst
+++ b/doc/src/extensions.rst
@@ -820,7 +820,7 @@ Transaction status constants
 ----------------------------
 
 These values represent the possible status of a transaction: the current value
-can be read using the `connection.get_transaction_status()` method.
+can be read using the `connection.info.transaction_status` property.
 
 .. data:: TRANSACTION_STATUS_IDLE
 
diff --git a/doc/src/module.rst b/doc/src/module.rst
index 034c7bb..b3c201f 100644
--- a/doc/src/module.rst
+++ b/doc/src/module.rst
@@ -117,9 +117,10 @@ The module interface respects the standard defined in the |DBAPI|_.
 
    Integer constant reporting the version of the ``libpq`` library this
    ``psycopg2`` module was compiled with (in the same format of
-   `~connection.server_version`).  If this value is greater or equal than
-   ``90100`` then you may query the version of the actually loaded library
-   using the `~psycopg2.extensions.libpq_version()` function.
+   `~psycopg2.extensions.ConnectionInfo.server_version`).  If this value is
+   greater or equal than ``90100`` then you may query the version of the
+   actually loaded library using the `~psycopg2.extensions.libpq_version()`
+   function.
 
 
 .. index::
diff --git a/lib/_json.py b/lib/_json.py
index 71c2b76..0438c25 100644
--- a/lib/_json.py
+++ b/lib/_json.py
@@ -185,7 +185,7 @@ def _get_json_oids(conn_or_curs, name='json'):
     conn_status = conn.status
 
     # column typarray not available before PG 8.3
-    typarray = conn.server_version >= 80300 and "typarray" or "NULL"
+    typarray = conn.info.server_version >= 80300 and "typarray" or "NULL"
 
     # get the oid for the hstore
     curs.execute(
diff --git a/lib/_range.py b/lib/_range.py
index e72c878..1747b20 100644
--- a/lib/_range.py
+++ b/lib/_range.py
@@ -352,9 +352,9 @@ class RangeCaster(object):
         from psycopg2.extras import _solve_conn_curs
         conn, curs = _solve_conn_curs(conn_or_curs)
 
-        if conn.server_version < 90200:
+        if conn.info.server_version < 90200:
             raise ProgrammingError("range types not available in version %s"
-                % conn.server_version)
+                % conn.info.server_version)
 
         # Store the transaction status of the connection to revert it after use
         conn_status = conn.status
diff --git a/lib/extras.py b/lib/extras.py
index af59d2f..4dea3f9 100644
--- a/lib/extras.py
+++ b/lib/extras.py
@@ -806,7 +806,7 @@ class HstoreAdapter(object):
         self.conn = conn
 
         # use an old-style getquoted implementation if required
-        if conn.server_version < 90000:
+        if conn.info.server_version < 90000:
             self.getquoted = self._getquoted_8
 
     def _getquoted_8(self):
@@ -911,7 +911,7 @@ class HstoreAdapter(object):
         conn_status = conn.status
 
         # column typarray not available before PG 8.3
-        typarray = conn.server_version >= 80300 and "typarray" or "NULL"
+        typarray = conn.info.server_version >= 80300 and "typarray" or "NULL"
 
         rv0, rv1 = [], []
 
@@ -1097,7 +1097,7 @@ class CompositeCaster(object):
             schema = 'public'
 
         # column typarray not available before PG 8.3
-        typarray = conn.server_version >= 80300 and "typarray" or "NULL"
+        typarray = conn.info.server_version >= 80300 and "typarray" or "NULL"
 
         # get the type oid and attributes
         curs.execute("""\
diff --git a/lib/pool.py b/lib/pool.py
index 6c26f7d..734c136 100644
--- a/lib/pool.py
+++ b/lib/pool.py
@@ -105,7 +105,7 @@ class AbstractConnectionPool(object):
             # Return the connection into a consistent state before putting
             # it back into the pool
             if not conn.closed:
-                status = conn.get_transaction_status()
+                status = conn.info.transaction_status
                 if status == _ext.TRANSACTION_STATUS_UNKNOWN:
                     # server connection lost
                     conn.close()
diff --git a/psycopg/notify_type.c b/psycopg/notify_type.c
index aab9a43..4677d57 100644
--- a/psycopg/notify_type.c
+++ b/psycopg/notify_type.c
@@ -40,7 +40,7 @@ static const char notify_doc[] =
 static const char pid_doc[] =
     "The ID of the backend process that sent the notification.\n\n"
     "Note: if the sending session was handled by Psycopg, you can use\n"
-    "`~connection.get_backend_pid()` to know its PID.";
+    "`~connection.info.backend_pid` to know its PID.";
 
 static const char channel_doc[] =
     "The name of the channel to which the notification was sent.";
diff --git a/tests/test_async.py b/tests/test_async.py
index dfdc44e..066e352 100755
--- a/tests/test_async.py
+++ b/tests/test_async.py
@@ -192,7 +192,7 @@ class AsyncTests(ConnectingTestCase):
         self.assertTrue(self.conn.isexecuting())
 
         # getting transaction status works
-        self.assertEquals(self.conn.get_transaction_status(),
+        self.assertEquals(self.conn.info.transaction_status,
                           ext.TRANSACTION_STATUS_ACTIVE)
         self.assertTrue(self.conn.isexecuting())
 
@@ -359,7 +359,7 @@ class AsyncTests(ConnectingTestCase):
 
         self.assertEquals(self.sync_conn.notifies, [])
 
-        pid = self.conn.get_backend_pid()
+        pid = self.conn.info.backend_pid
         for _ in range(5):
             self.wait(self.sync_conn)
             if not self.sync_conn.notifies:
@@ -418,7 +418,7 @@ class AsyncTests(ConnectingTestCase):
     def test_notices(self):
         del self.conn.notices[:]
         cur = self.conn.cursor()
-        if self.conn.server_version >= 90300:
+        if self.conn.info.server_version >= 90300:
             cur.execute("set client_min_messages=debug1")
             self.wait(cur)
         cur.execute("create temp table chatty (id serial primary key);")
diff --git a/tests/test_connection.py b/tests/test_connection.py
index cb70bb0..40f3e76 100755
--- a/tests/test_connection.py
+++ b/tests/test_connection.py
@@ -87,13 +87,13 @@ class ConnectionTests(ConnectingTestCase):
         conn.autocommit = True
         conn.isolation_level = 'serializable'
         conn.readonly = True
-        if self.conn.server_version >= 90100:
+        if self.conn.info.server_version >= 90100:
             conn.deferrable = False
 
         self.assert_(conn.autocommit)
         self.assertEqual(conn.isolation_level, ext.ISOLATION_LEVEL_SERIALIZABLE)
         self.assert_(conn.readonly is True)
-        if self.conn.server_version >= 90100:
+        if self.conn.info.server_version >= 90100:
             self.assert_(conn.deferrable is False)
 
         conn.reset()
@@ -101,13 +101,13 @@ class ConnectionTests(ConnectingTestCase):
         self.assert_(not conn.autocommit)
         self.assertEqual(conn.isolation_level, ext.ISOLATION_LEVEL_DEFAULT)
         self.assert_(conn.readonly is None)
-        if self.conn.server_version >= 90100:
+        if self.conn.info.server_version >= 90100:
             self.assert_(conn.deferrable is None)
 
     def test_notices(self):
         conn = self.conn
         cur = conn.cursor()
-        if self.conn.server_version >= 90300:
+        if self.conn.info.server_version >= 90300:
             cur.execute("set client_min_messages=debug1")
         cur.execute("create temp table chatty (id serial primary key);")
         self.assertEqual("CREATE TABLE", cur.statusmessage)
@@ -116,7 +116,7 @@ class ConnectionTests(ConnectingTestCase):
     def test_notices_consistent_order(self):
         conn = self.conn
         cur = conn.cursor()
-        if self.conn.server_version >= 90300:
+        if self.conn.info.server_version >= 90300:
             cur.execute("set client_min_messages=debug1")
         cur.execute("""
             create temp table table1 (id serial);
@@ -136,7 +136,7 @@ class ConnectionTests(ConnectingTestCase):
     def test_notices_limited(self):
         conn = self.conn
         cur = conn.cursor()
-        if self.conn.server_version >= 90300:
+        if self.conn.info.server_version >= 90300:
             cur.execute("set client_min_messages=debug1")
         for i in range(0, 100, 10):
             sql = " ".join(["create temp table table%d (id serial);" % j
@@ -153,7 +153,7 @@ class ConnectionTests(ConnectingTestCase):
         conn = self.conn
         self.conn.notices = deque()
         cur = conn.cursor()
-        if self.conn.server_version >= 90300:
+        if self.conn.info.server_version >= 90300:
             cur.execute("set client_min_messages=debug1")
 
         cur.execute("""
@@ -183,7 +183,7 @@ class ConnectionTests(ConnectingTestCase):
         conn = self.conn
         self.conn.notices = None    # will make an error swallowes ok
         cur = conn.cursor()
-        if self.conn.server_version >= 90300:
+        if self.conn.info.server_version >= 90300:
             cur.execute("set client_min_messages=debug1")
 
         cur.execute("create temp table table1 (id serial);")
@@ -199,7 +199,7 @@ class ConnectionTests(ConnectingTestCase):
 
     def test_tpc_unsupported(self):
         cnn = self.conn
-        if cnn.server_version >= 80100:
+        if cnn.info.server_version >= 80100:
             return self.skipTest("tpc is supported")
 
         self.assertRaises(psycopg2.NotSupportedError,
@@ -533,7 +533,7 @@ class IsolationLevelsTestCase(ConnectingTestCase):
             conn.set_isolation_level(level)
 
             # the only values available on prehistoric PG versions
-            if conn.server_version < 80000:
+            if conn.info.server_version < 80000:
                 if level in (
                         ext.ISOLATION_LEVEL_READ_UNCOMMITTED,
                         ext.ISOLATION_LEVEL_REPEATABLE_READ):
@@ -589,35 +589,35 @@ class IsolationLevelsTestCase(ConnectingTestCase):
         cur = conn.cursor()
 
         self.assertEqual(ext.TRANSACTION_STATUS_IDLE,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
         cur.execute("insert into isolevel values (10);")
         self.assertEqual(ext.TRANSACTION_STATUS_INTRANS,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
 
         conn.set_isolation_level(
             psycopg2.extensions.ISOLATION_LEVEL_SERIALIZABLE)
         self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
         cur.execute("select count(*) from isolevel;")
         self.assertEqual(0, cur.fetchone()[0])
 
         cur.execute("insert into isolevel values (10);")
         self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_INTRANS,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
         conn.set_isolation_level(
             psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
         self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
         cur.execute("select count(*) from isolevel;")
         self.assertEqual(0, cur.fetchone()[0])
 
         cur.execute("insert into isolevel values (10);")
         self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
         conn.set_isolation_level(
             psycopg2.extensions.ISOLATION_LEVEL_READ_COMMITTED)
         self.assertEqual(psycopg2.extensions.TRANSACTION_STATUS_IDLE,
-            conn.get_transaction_status())
+            conn.info.transaction_status)
         cur.execute("select count(*) from isolevel;")
         self.assertEqual(1, cur.fetchone()[0])
         self.assertEqual(conn.isolation_level,
@@ -713,7 +713,7 @@ class IsolationLevelsTestCase(ConnectingTestCase):
 
         self.conn.isolation_level = ext.ISOLATION_LEVEL_REPEATABLE_READ
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(self.conn.isolation_level,
                 ext.ISOLATION_LEVEL_REPEATABLE_READ)
             self.assertEqual(cur.fetchone()[0], 'repeatable read')
@@ -732,7 +732,7 @@ class IsolationLevelsTestCase(ConnectingTestCase):
 
         self.conn.isolation_level = ext.ISOLATION_LEVEL_READ_UNCOMMITTED
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(self.conn.isolation_level,
                 ext.ISOLATION_LEVEL_READ_UNCOMMITTED)
             self.assertEqual(cur.fetchone()[0], 'read uncommitted')
@@ -761,7 +761,7 @@ class IsolationLevelsTestCase(ConnectingTestCase):
 
         self.conn.isolation_level = "repeatable read"
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(self.conn.isolation_level,
                 ext.ISOLATION_LEVEL_REPEATABLE_READ)
             self.assertEqual(cur.fetchone()[0], 'repeatable read')
@@ -780,7 +780,7 @@ class IsolationLevelsTestCase(ConnectingTestCase):
 
         self.conn.isolation_level = "read uncommitted"
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(self.conn.isolation_level,
                 ext.ISOLATION_LEVEL_READ_UNCOMMITTED)
             self.assertEqual(cur.fetchone()[0], 'read uncommitted')
@@ -1203,7 +1203,7 @@ class TransactionControlTests(ConnectingTestCase):
         self.conn.set_session(
             ext.ISOLATION_LEVEL_REPEATABLE_READ)
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(cur.fetchone()[0], 'repeatable read')
         else:
             self.assertEqual(cur.fetchone()[0], 'serializable')
@@ -1218,7 +1218,7 @@ class TransactionControlTests(ConnectingTestCase):
         self.conn.set_session(
             isolation_level=ext.ISOLATION_LEVEL_READ_UNCOMMITTED)
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(cur.fetchone()[0], 'read uncommitted')
         else:
             self.assertEqual(cur.fetchone()[0], 'read committed')
@@ -1233,7 +1233,7 @@ class TransactionControlTests(ConnectingTestCase):
 
         self.conn.set_session("repeatable read")
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(cur.fetchone()[0], 'repeatable read')
         else:
             self.assertEqual(cur.fetchone()[0], 'serializable')
@@ -1246,7 +1246,7 @@ class TransactionControlTests(ConnectingTestCase):
 
         self.conn.set_session("read uncommitted")
         cur.execute("SHOW transaction_isolation;")
-        if self.conn.server_version > 80000:
+        if self.conn.info.server_version > 80000:
             self.assertEqual(cur.fetchone()[0], 'read uncommitted')
         else:
             self.assertEqual(cur.fetchone()[0], 'read committed')
@@ -1502,42 +1502,42 @@ class AutocommitTests(ConnectingTestCase):
     def test_default_no_autocommit(self):
         self.assert_(not self.conn.autocommit)
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         cur = self.conn.cursor()
         cur.execute('select 1;')
         self.assertEqual(self.conn.status, ext.STATUS_BEGIN)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_INTRANS)
 
         self.conn.rollback()
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
     def test_set_autocommit(self):
         self.conn.autocommit = True
         self.assert_(self.conn.autocommit)
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         cur = self.conn.cursor()
         cur.execute('select 1;')
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         self.conn.autocommit = False
         self.assert_(not self.conn.autocommit)
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         cur.execute('select 1;')
         self.assertEqual(self.conn.status, ext.STATUS_BEGIN)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_INTRANS)
 
     def test_set_intrans_error(self):
@@ -1550,24 +1550,24 @@ class AutocommitTests(ConnectingTestCase):
         self.conn.set_session(autocommit=True)
         self.assert_(self.conn.autocommit)
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         cur = self.conn.cursor()
         cur.execute('select 1;')
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         self.conn.set_session(autocommit=False)
         self.assert_(not self.conn.autocommit)
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
 
         cur.execute('select 1;')
         self.assertEqual(self.conn.status, ext.STATUS_BEGIN)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_INTRANS)
         self.conn.rollback()
 
@@ -1575,7 +1575,7 @@ class AutocommitTests(ConnectingTestCase):
         self.assert_(self.conn.autocommit)
         cur.execute('select 1;')
         self.assertEqual(self.conn.status, ext.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
             ext.TRANSACTION_STATUS_IDLE)
         cur.execute("SHOW transaction_isolation;")
         self.assertEqual(cur.fetchone()[0], 'serializable')
diff --git a/tests/test_cursor.py b/tests/test_cursor.py
index d048f3e..d91a7fc 100755
--- a/tests/test_cursor.py
+++ b/tests/test_cursor.py
@@ -229,22 +229,22 @@ class CursorTests(ConnectingTestCase):
         curs.execute("select data from withhold order by data")
         self.assertEqual(curs.fetchone(), (10,))
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_BEGIN)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_INTRANS)
 
         self.conn.commit()
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_IDLE)
 
         self.assertEqual(curs.fetchone(), (20,))
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_IDLE)
 
         curs.close()
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_IDLE)
 
     def test_withhold_autocommit(self):
@@ -256,17 +256,17 @@ class CursorTests(ConnectingTestCase):
 
         self.assertEqual(curs.fetchone(), (10,))
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_IDLE)
 
         self.conn.commit()
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_IDLE)
 
         curs.close()
         self.assertEqual(self.conn.status, psycopg2.extensions.STATUS_READY)
-        self.assertEqual(self.conn.get_transaction_status(),
+        self.assertEqual(self.conn.info.transaction_status,
                          psycopg2.extensions.TRANSACTION_STATUS_IDLE)
 
     def test_scrollable(self):
diff --git a/tests/test_lobject.py b/tests/test_lobject.py
index a996631..54d676c 100755
--- a/tests/test_lobject.py
+++ b/tests/test_lobject.py
@@ -37,7 +37,7 @@ from .testutils import (decorate_all_tests, skip_if_tpc_disabled,
 def skip_if_no_lo(f):
     @wraps(f)
     def skip_if_no_lo_(self):
-        if self.conn.server_version < 80100:
+        if self.conn.info.server_version < 80100:
             return self.skipTest("large objects only supported from PG 8.1")
         else:
             return f(self)
@@ -403,7 +403,7 @@ decorate_all_tests(LargeObjectTests, skip_if_no_lo, skip_lo_if_green)
 def skip_if_no_truncate(f):
     @wraps(f)
     def skip_if_no_truncate_(self):
-        if self.conn.server_version < 80300:
+        if self.conn.info.server_version < 80300:
             return self.skipTest(
                 "the server doesn't support large object truncate")
 
@@ -459,9 +459,9 @@ decorate_all_tests(LargeObjectTruncateTests,
 
 def _has_lo64(conn):
     """Return (bool, msg) about the lo64 support"""
-    if conn.server_version < 90300:
+    if conn.info.server_version < 90300:
         return (False, "server version %s doesn't support the lo64 API"
-                % conn.server_version)
+                % conn.info.server_version)
 
     if 'lo64' not in psycopg2.__version__:
         return False, "this psycopg build doesn't support the lo64 API"
diff --git a/tests/test_notify.py b/tests/test_notify.py
index bce061e..b0196e7 100755
--- a/tests/test_notify.py
+++ b/tests/test_notify.py
@@ -61,7 +61,7 @@ import %(module)s as psycopg2
 import %(module)s.extensions as ext
 conn = psycopg2.connect(%(dsn)r)
 conn.set_isolation_level(ext.ISOLATION_LEVEL_AUTOCOMMIT)
-print(conn.get_backend_pid())
+print(conn.info.backend_pid)
 curs = conn.cursor()
 curs.execute("NOTIFY " %(name)r %(payload)r)
 curs.close()
@@ -147,9 +147,9 @@ conn.close()
 
     @slow
     def test_notify_payload(self):
-        if self.conn.server_version < 90000:
+        if self.conn.info.server_version < 90000:
             return self.skipTest("server version %s doesn't support notify payload"
-                % self.conn.server_version)
+                % self.conn.info.server_version)
         self.autocommit(self.conn)
         self.listen('foo')
         pid = int(self.notify('foo', payload="Hello, world!").communicate()[0])
diff --git a/tests/test_quote.py b/tests/test_quote.py
index ee72350..c14d80c 100755
--- a/tests/test_quote.py
+++ b/tests/test_quote.py
@@ -90,7 +90,7 @@ class QuotingTestCase(ConnectingTestCase):
         else:
             res = curs.fetchone()[0].tobytes()
 
-        if res[0] in (b'x', ord(b'x')) and self.conn.server_version >= 90000:
+        if res[0] in (b'x', ord(b'x')) and self.conn.info.server_version >= 90000:
             return self.skipTest(
                 "bytea broken with server >= 9.0, libpq < 9")
 
diff --git a/tests/test_types_extras.py b/tests/test_types_extras.py
index ca31c05..18ac6ea 100755
--- a/tests/test_types_extras.py
+++ b/tests/test_types_extras.py
@@ -137,7 +137,7 @@ def skip_if_no_hstore(f):
 
 class HstoreTestCase(ConnectingTestCase):
     def test_adapt_8(self):
-        if self.conn.server_version >= 90000:
+        if self.conn.info.server_version >= 90000:
             return self.skipTest("skipping dict adaptation with PG pre-9 syntax")
 
         from psycopg2.extras import HstoreAdapter
@@ -163,7 +163,7 @@ class HstoreTestCase(ConnectingTestCase):
             self.assertQuotedEqual(ii[3], b"('d' => '" + encc + b"')")
 
     def test_adapt_9(self):
-        if self.conn.server_version < 90000:
+        if self.conn.info.server_version < 90000:
             return self.skipTest("skipping dict adaptation with PG 9 syntax")
 
         from psycopg2.extras import HstoreAdapter
@@ -448,10 +448,10 @@ class HstoreTestCase(ConnectingTestCase):
 def skip_if_no_composite(f):
     @wraps(f)
     def skip_if_no_composite_(self):
-        if self.conn.server_version < 80000:
+        if self.conn.info.server_version < 80000:
             return self.skipTest(
                 "server version %s doesn't support composite types"
-                % self.conn.server_version)
+                % self.conn.info.server_version)
 
         return f(self)
 
@@ -1436,10 +1436,10 @@ class RangeTestCase(unittest.TestCase):
 def skip_if_no_range(f):
     @wraps(f)
     def skip_if_no_range_(self):
-        if self.conn.server_version < 90200:
+        if self.conn.info.server_version < 90200:
             return self.skipTest(
                 "server version %s doesn't support range types"
-                % self.conn.server_version)
+                % self.conn.info.server_version)
 
         return f(self)
 
diff --git a/tests/testutils.py b/tests/testutils.py
index 11138f0..9875381 100644
--- a/tests/testutils.py
+++ b/tests/testutils.py
@@ -234,9 +234,9 @@ def skip_before_postgres(*ver):
     def skip_before_postgres_(f):
         @wraps(f)
         def skip_before_postgres__(self):
-            if self.conn.server_version < int("%d%02d%02d" % ver):
+            if self.conn.info.server_version < int("%d%02d%02d" % ver):
                 return self.skipTest("skipped because PostgreSQL %s"
-                    % self.conn.server_version)
+                    % self.conn.info.server_version)
             else:
                 return f(self)
 
@@ -251,9 +251,9 @@ def skip_after_postgres(*ver):
     def skip_after_postgres_(f):
         @wraps(f)
         def skip_after_postgres__(self):
-            if self.conn.server_version >= int("%d%02d%02d" % ver):
+            if self.conn.info.server_version >= int("%d%02d%02d" % ver):
                 return self.skipTest("skipped because PostgreSQL %s"
-                    % self.conn.server_version)
+                    % self.conn.info.server_version)
             else:
                 return f(self)