I'm sorry, I forgot to say that: "ServiceList" and "Service" are hypothetical kinds of objects.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of leticia Sent: Monday, October 03, 2005 1:11 PM To: zope3-users@zope.org Subject: [Zope3-Users] object has no attribute '_SampleContainer__data' Hi: I have an object "ServiceList" who inherit from "BTreeContainer" and implements "IContainer" that have inside objects of type "Service" who inherit from "BTreeContainer" too and implements "IContained" and "IContainer". When a try to see the view of list of "Service" of one of the "ServiceList" I get the following error: """ 'Service' object has no attribute '_SampleContainer__data' """ And the Traceback is: """ Traceback (innermost last): Module zope.publisher.publish, line 138, in publish result = publication.callObject(request, object) Module zope.app.publication.zopepublication, line 164, in callObject return mapply(ob, request.getPositionalArguments(), request) Module zope.publisher.publish, line 113, in mapply return debug_call(object, args) - __traceback_info__: <BoundPageTemplateFile of <zope.app.publisher.browser.viewmeta.Contents object at 0x03A34530>> Module zope.publisher.publish, line 119, in debug_call return object(*args) Module zope.app.pagetemplate.viewpagetemplatefile, line 83, in __call__ return self.im_func(im_self, *args, **kw) Module zope.app.pagetemplate.viewpagetemplatefile, line 51, in __call__ sourceAnnotations=getattr(debug_flags, 'sourceAnnotations', 0), Module zope.pagetemplate.pagetemplate, line 117, in pt_render strictinsert=0, sourceAnnotations=sourceAnnotations)() Module zope.tal.talinterpreter, line 239, in __call__ self.interpret(self.program) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 869, in do_useMacro self.interpret(macro) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 502, in do_optTag_tal self.do_optTag(stuff) Module zope.tal.talinterpreter, line 487, in do_optTag return self.no_tag(start, program) Module zope.tal.talinterpreter, line 482, in no_tag self.interpret(program) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 839, in do_defineMacro self.interpret(macro) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 941, in do_defineSlot self.interpret(block) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 931, in do_defineSlot self.interpret(slot) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 839, in do_defineMacro self.interpret(macro) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 808, in do_loop_tal self.interpret(block) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 502, in do_optTag_tal self.do_optTag(stuff) Module zope.tal.talinterpreter, line 487, in do_optTag return self.no_tag(start, program) Module zope.tal.talinterpreter, line 482, in no_tag self.interpret(program) Module zope.tal.talinterpreter, line 314, in interpret handlers[opcode](self, args) Module zope.tal.talinterpreter, line 617, in do_insertI18nText_tal text = self.engine.evaluateText(stuff[0]) Module zope.app.pagetemplate.engine, line 101, in evaluateText text = self.evaluate(expr) Module zope.tales.tales, line 698, in evaluate return expression(self) - C:\Python24\Lib\site-packages\zope\app\container\browser\contents.pt - Line 110, Column 16 - Expression: <PathExpr standard:'item/size/sizeForDisplay|nothing'> - Names: {'args': (), 'context': <srcs.configuration.ServiceList object at 0x0221E770>, 'default': <object object at 0x0097C500>, 'loop': {}, 'nothing': None, 'options': {}, 'repeat': {}, 'request': <zope.publisher.browser.BrowserRequest instance URL=http://localhost:8080/services/@@contents.html>, 'template': <zope.app.pagetemplate.viewpagetemplatefile.ViewPageTemplateFile object at 0x016679B0>, 'usage': <zope.pagetemplate.pagetemplate.TemplateUsage object at 0x03A347D0>, 'view': <zope.app.publisher.browser.viewmeta.Contents object at 0x03A34530>, 'views': <zope.app.pagetemplate.viewpagetemplatefile.ViewMapper object at 0x0242E090>} Module zope.tales.expressions, line 204, in __call__ return self._eval(econtext) Module zope.tales.expressions, line 198, in _eval return ob() Module zope.app.container.size, line 38, in sizeForDisplay num_items = len(self._container) Module zope.app.container.sample, line 72, in __len__ return len(self.__data) AttributeError: 'Service' object has no attribute '_SampleContainer__data' """ I'm newcomer in zope 3 and any idea will be appreciated. Thanks in advance. Leticia Larrosa _______________________________________________ Zope3-users mailing list Zope3-users@zope.org http://mail.zope.org/mailman/listinfo/zope3-users _______________________________________________ Zope3-users mailing list Zope3-users@zope.org http://mail.zope.org/mailman/listinfo/zope3-users