HOW TO INSTALL BLUEBREAM So if you want to use Bluebream, how do you start? They have not updated the downloand in two years, and more recently it disappeared off the bluebream website.
On Feb 13th 2012, there was an announcement of a new release of ztk, on the zope-dev mailing list, with completely cryptic instructions on how to install it. https://mail.zope.org/pipermail/zope-dev/2012-February/044114.html Fine if you are an expert on buildout. So I went over to find the instruction on the buildout.org website and look what I found. http://pypi.python.org/pypi/zc.zope3recipes#id1 >From Feb 7th of 2012, by Jim Fulton, a release of zope 3. It is a nice tar.gz file for installation. I presume that the two announcements, being so close together, are basically the same thing. DIFFERENT NAMES Now just last week we saw the following post. On 9/10/12 7:00 AM, Alex Clark wrote > > Well, let's get the terminology straight. "Zope 3" is entirely dead. > Its remnants have been divided up into (more or less) the ZTK and > Bluebream. ZTK is a set of reusable libraries (more or less) and > Bluebream is the application server. > So different people, are saying different things. It is indeed confusing. The other way you can get started is by using ztfy.org or wiki.ztfy.org That is more in the content management world. And thierry provides great support. I hope that helps other people going down this very difficult path. CACHING EGGS To speed things up you may want to have an egg cache. From http://jacobian.org/writing/more-buildout-notes/ You'll basically add a couple of lines to your buildout.cfg: [buildout] eggs-directory = /home/you/.buildout/eggs download-cache = /home/you/.buildout/dlcache You can also put these same lines in a ~/.buildout/default.cfg; Buildout picks up user-level settings from that file. ABOUT ZTK SECURITY I also took a look at the zope.app.security directories. Everything was there that i expected to see, permissions, principals, principaldirectory, and some other stuff I did not quite understand. Of course most of those files linked to some other files somewhere else. That is okay. But I certainly did not see much documentation. High level class descriptions, data type definitions, and message flow diagrams seem to be sorely missing. Fortunately we are all trained in software archeology. I wonder if any of the Zope books describe this stuff well. I have the general idea that Twisted serves the web, then it traverses the zodb, and dispatches to a particular python class. I now have to figure out exactly where it does that, and how permissions are defined on interfaces, and how to make permissions be defined on individual methods instead. That way I can hide ZCA from initial BlueBream development. Regards Chris
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