From 48c8d0dd09c352532326b83a39800be047686356 Mon Sep 17 00:00:00 2001
From: David Cramer
Date: Wed, 30 Mar 2011 15:31:27 -0700
Subject: Ensure we wrap all cursors

---
 debug_toolbar/panels/sql.py | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

(limited to 'debug_toolbar/panels/sql.py')

diff --git a/debug_toolbar/panels/sql.py b/debug_toolbar/panels/sql.py
index b3b44da..ba40c34 100644
--- a/debug_toolbar/panels/sql.py
+++ b/debug_toolbar/panels/sql.py
@@ -13,7 +13,7 @@ except ImportError:
     # Compat with < Django 1.2
     from django.db import connection
     connections = {'default': connection}
-from django.db.backends import util
+from django.db.backends import util, BaseDatabaseWrapper
 from django.views.debug import linebreak_iter
 from django.template import Node
 from django.template.defaultfilters import escape
@@ -148,6 +148,39 @@ def inject_sql_tracker(cls):
 
     cls.execute = execute
 
+class CursorWrapper(object):
+    def __init__(self, cursor, db):
+        self.cursor = cursor
+        self.db = db # Instance of a BaseDatabaseWrapper subclass
+
+    def execute(self, sql, params=None):
+        return self.cursor.execute(sql, params)
+
+    def executemany(self, sql, param_list):
+        return self.cursor.executemany(sql, param_list)
+
+    def __getattr__(self, attr):
+        if attr in self.__dict__:
+            return self.__dict__[attr]
+        else:
+            return getattr(self.cursor, attr)
+
+    def __iter__(self):
+        return iter(self.cursor)
+
+if not hasattr(util, 'CursorWrapper'):
+    # Inject our CursorWrapper class
+    util.CursorWrapper = CursorWrapper
+
+def cursor(self):
+    from django.conf import settings
+    cursor = self._cursor()
+    if settings.DEBUG:
+        return self.make_debug_cursor(cursor)
+    return util.CursorWrapper(cursor, self)
+
+BaseDatabaseWrapper.cursor = cursor
+
 inject_sql_tracker(util.CursorWrapper)
 inject_sql_tracker(util.CursorDebugWrapper)
 
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