Author: ianb
Date: 2005-02-09 05:52:00 +0000 (Wed, 09 Feb 2005)
New Revision: 584
Modified:
trunk/SQLObject/sqlobject/main.py
Log:
Added a sqlmeta buddy class/object, which will hold data in the
very near future.
Modified: trunk/SQLObject/sqlobject/main.py
===================================================================
--- trunk/SQLObject/sqlobject/main.py 2005-02-09 05:40:19 UTC (rev 583)
+++ trunk/SQLObject/sqlobject/main.py 2005-02-09 05:52:00 UTC (rev 584)
@@ -134,6 +134,18 @@
"""
pass
+class sqlmeta(object):
+
+ """
+ This object is the object we use to keep track of all sorts of
+ information. Subclasses are made for each SQLObject subclass
+ (dynamically if necessary), and instances are created to go
+ alongside every SQLObject instance.
+ """
+
+ def __init__(self, instance):
+ self.instance = instance
+
# SQLObject is the superclass for all SQLObject classes, of
# course. All the deeper magic is done in MetaSQLObject, and
# only lesser magic is done here. All the actual work is done
@@ -192,7 +204,18 @@
# aren't using integer IDs
_idType = int
+ sqlmeta = sqlmeta
+
def __classinit__(cls, new_attrs):
+
+ if (not new_attrs.has_key('sqlmeta')
+ and not cls.__bases__ == (object,)):
+ # We have to create our own subclass, usually.
+ # type(className, bases_tuple, attr_dict) creates a new
+ # subclass:
+ cls.sqlmeta = type('sqlmeta', (cls.sqlmeta,), {})
+ cls.sqlmeta.soClass = cls
+
implicitColumns = []
implicitJoins = []
implicitIndexes = []
@@ -623,6 +646,10 @@
# created, unlike __init__ which would be called
# anytime the object was returned from cache.
self.id = id
+ # We shadow the sqlmeta class with an instance of sqlmeta
+ # that points to us (our sqlmeta buddy object; where the
+ # sqlmeta class is our class's buddy class)
+ self.sqlmeta = self.__class__.sqlmeta(self)
self._SO_writeLock = threading.Lock()
# If no connection was given, we'll inherit the class
|
