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Re: [Openflow-dev] Getting started with OpenFlow
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From: Andrew H. - L. <ah...@li...> - 2003-04-16 01:01:44
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Hmmmm, the longer I look into 'OpenFlow' and whatever 'OpenFlow' is, because it could be www.openflow.it's OpenFlow or OpenFlow_Relflow the more confused I get. I understand Daniele that you are trying to help and I thank people like yourself for trying to do this (I really do!). However the use of this product (which ever one your talking about) seems to be shrowded in mystery. Yes there is no support, which is why I myself keep posting to this mailing list. I believe I'm looking at getting OpenFlow (NOT CMFOpenFlow_Relflow) up and running for a simple workflow model. After spending a week with the product(s) I'm still no further at understanding it than what I was a week ago. I'm guessing I need to get the application wizard up and running and then the openflow editor. But as I say again, the use of these products is simply a mystery. No one actually describes how to use the product, just how to install it. There is probably a lot more people than myself who would love an example or explaination (no matter how small the example) of how to build a workflow model and how to get some kind of output from this. This is (for myself anyway) the critical information needed to use the application. I don't mind documenting my discoveries as I go for others to use. I can do this and post it via the list, however I really require some of you guys out there (who know how to use it) to help me. Sorry about all the bitching, and thanks for reading my post. Andrew ps you can reply to me here 'ahughes @lisasoft.com' <-- just remove the space Daniele wrote: >Hello Johan, > >OpenFlow and CMF OpwnFlow are two different packages. Please refer to >www.openflow.it for OpenFlow and www.reflab.it for CMFOpenFlow. > >Since I don't feel confident with CMFOpenFlow (I don't know enough about it >and there are other people taking care of it) I'll be talking about OpenFlow. >Latest release version of OpenFlow is 1.0.6 so it seems you have the right >one. > >You get the mentioned error because your ZCatalog doesen't have the >CatalogPathAwareness library. If you switch to Zope 2.6.0 you'll get it by >default. Or you can try downloading just the latest ZCatalog product. > >CMF is not needed for OpenFlow. It should not hurt you either having it or >not having it installed. > >I know documentation about OpenFlow is scarce. And often outdated. I hope >somebody in the community could help with their experience in using OpenFlow. >Otherwis you'll have to wait 'till we get it written down. Sorry. > >Cheers, > Daniele =) > > >On Tuesday 15 April 2003 09:39, Braeken Johan wrote: > > >>Hi, >> >>I'm having trouble getting started with OpenFlow. >>I hate to say this, but the documentation of OpenFlow is rather bad. :-( >> >>What version of OpenFlow do I need? >>Is in on openflow.it or on reflab.it? >>Or is CMF OpenFlow (now Reflow) a totally different package? >> >>What do I need? >>I have zope on Linux. >>Do I need CMF? I thought I read it somewhere so I installed in anyway. >>Are there other things I need? (Plone, ...) >> >>Currently I have: >>Linux version: Red Hat 9 >>CMF 1.1 >>Zope Version (Zope 2.5.0 (binary release, python 2.1, linux2-x86), >>python 2.1.2, linux2) >>Python Version 2.1.2 (#1, Jan 25 2002, 13:17:56) [GCC 2.7.2.3] >>System Platform linux2 >> >> >>When I unpack OpenFlow 1.0.6 and place it in my lib/python/Products >>directory. >>I get a broken package in Zope: >> >>---------------------------------------------------- >>OpenFlow (Broken product OpenFlow) >> >>Traceback (most recent call last): >> File >>"/home/johan/Zope-2.5.0-linux2-x86/lib/python/OFS/Application.py", line >>531, in import_product >> product=__import__(pname, global_dict, global_dict, silly) >> File >>"/home/johan/Zope-2.5.0-linux2-x86/lib/python/Products/OpenFlow/__init__ >>.py", line 1, in ? >> from openflow import openflow, manage_addOpenflow, >>manage_addOpenflowForm >> File >>"/home/johan/Zope-2.5.0-linux2-x86/lib/python/Products/OpenFlow/openflow >>.py", line 6, in ? >> from instance import instance >> File >>"/home/johan/Zope-2.5.0-linux2-x86/lib/python/Products/OpenFlow/instance >>.py", line 4, in ? >> from Products.ZCatalog.CatalogPathAwareness import CatalogPathAware >>ImportError: cannot import name CatalogPathAware >>---------------------------------------------------- >> >>When I use Reflow 1.0.9 and I follow the procedure explained in >>install.txt (Adding an external method) I get the following Zope error: >> >>---------------------------------------------------- >>Error Type: ImportError >>Error Value: cannot import name CatalogPathAware >>---------------------------------------------------- >> >>So both errors are about CatalogPathAware. What do I do about it? >>I think I need a package I don't have... >> >>I'm also new to Zope, but I familiarized myself to it in the past few >>days. >> >> >>Kind regards, >> >>Johan. >> >> > > > -- ------------------------------------------------------------- Andrew Hughes Software Engineer / Application Developer, LISAsoft Pty Ltd B. Comp. Sc. http://www.lisasoft.com http://www.ardec.com.au Sydney Adelaide ----------------------- ----------------------- Level 3 228 Pitt Street 38 Greenhill Road Sydney NSW 2000 Wayville SA 5034 Ph: +61 2 9283 0855 Ph: +61 8 8272 1555 Fax: +61 2 9283 0866 Fax: +61 8 8271 1199 ----------------------- ----------------------- The contents of this e-mail are confidential and may be subject to legal or professional privilege and copyright. No representation is made that this e-mail is free of viruses or other defects. If you have received this communication in error, you may not copy or distribute any part of it or otherwise disclose its contents to anyone. 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