Refactor dictfetch* methods from mysql backend out into a seperate module; this is so that future db backends that need these functions can share them.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@276 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/db/backends/mysql.py

@@ -5,6 +5,7 @@ Requires MySQLdb: http://sourceforge.net/projects/mysql-python
 """
 
 from django.core.db import base, typecasts
+from django.core.db.dicthelpers import *
 import MySQLdb as Database
 from MySQLdb.converters import conversions
 from MySQLdb.constants import FIELD_TYPE
@@ -46,27 +47,6 @@ class DatabaseWrapper:
             self.connection.close()
             self.connection = None
 
-def _dict_helper(desc, row):
-    "Returns a dictionary for the given cursor.description and result row."
-    return dict([(desc[col[0]][0], col[1]) for col in enumerate(row)])
-
-def dictfetchone(cursor):
-    "Returns a row from the cursor as a dict"
-    row = cursor.fetchone()
-    if not row:
-        return None
-    return _dict_helper(cursor.description, row)
-
-def dictfetchmany(cursor, number):
-    "Returns a certain number of rows from a cursor as a dict"
-    desc = cursor.description
-    return [_dict_helper(desc, row) for row in cursor.fetchmany(number)]
-
-def dictfetchall(cursor):
-    "Returns all rows from a cursor as a dict"
-    desc = cursor.description
-    return [_dict_helper(desc, row) for row in cursor.fetchall()]
-
 def get_last_insert_id(cursor, table_name, pk_name):
     cursor.execute("SELECT LAST_INSERT_ID()")
     return cursor.fetchone()[0]

django/core/db/dicthelpers.py

@@ -0,0 +1,24 @@
+"""
+Helper functions for dictfetch* for databases that don't natively support them.
+"""
+
+def _dict_helper(desc, row):
+    "Returns a dictionary for the given cursor.description and result row."
+    return dict([(desc[col[0]][0], col[1]) for col in enumerate(row)])
+
+def dictfetchone(cursor):
+    "Returns a row from the cursor as a dict"
+    row = cursor.fetchone()
+    if not row:
+        return None
+    return _dict_helper(cursor.description, row)
+
+def dictfetchmany(cursor, number):
+    "Returns a certain number of rows from a cursor as a dict"
+    desc = cursor.description
+    return [_dict_helper(desc, row) for row in cursor.fetchmany(number)]
+
+def dictfetchall(cursor):
+    "Returns all rows from a cursor as a dict"
+    desc = cursor.description
+    return [_dict_helper(desc, row) for row in cursor.fetchall()]