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version 1275, Mon Jul 21 00:55:16 2003 UTC version 1633, Sun Jan 25 02:32:15 2004 UTC
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 PEAK Release 0.5 alpha 3  PEAK Release 0.5 alpha 3
   
  Copyright (C) 1996-2003 by Phillip J. Eby and Tyler C. Sarna.   Copyright (C) 1996-2004 by Phillip J. Eby and Tyler C. Sarna.
  All rights reserved.  This software may be used under the same terms   All rights reserved.  This software may be used under the same terms
  as Zope or Python.  THERE ARE ABSOLUTELY NO WARRANTIES OF ANY KIND.   as Zope or Python.  THERE ARE ABSOLUTELY NO WARRANTIES OF ANY KIND.
  Code quality varies between modules, from "beta" to "experimental   Code quality varies between modules, from "beta" to "experimental
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     larger scale, and with fewer defects than ever before. The key is      larger scale, and with fewer defects than ever before. The key is
     component-based development, on a reliable infrastructure.      component-based development, on a reliable infrastructure.
   
     PEAK is an application kit, and applications are made from components.  
     PEAK provides you with a component architecture, component infrastructure,  
     and various general-purpose components and component frameworks for  
     building applications.  As with J2EE, the idea is to let you stop  
     reinventing architectural and infrastructure wheels, so you can put more  
     time into your actual application.  
   
     But PEAK is different from J2EE: it's a single, free implementation of  
     simpler API's based on an easier-to-use language that can nonetheless  
     scale with better performance than J2EE.  
   
     PEAK is the successor to TransWarp, an experimental toolkit for software  
     automation in Python.  PEAK takes the best of the techniques and ideas  
     from TransWarp, and repackages them as an enterprise software toolkit.  
     Where TransWarp emphasized techniques like generative programming and  
     aspect-oriented programming, PEAK emphasizes enterprise applications,  
     and hides the computer science stuff "under the hood", so you can focus  
     on building your application.  
   
     PEAK tools can be used with other "Python Enterprise" frameworks such as      PEAK tools can be used with other "Python Enterprise" frameworks such as
     Zope, Twisted, and the Python DBAPI to construct web-based, GUI, or      Zope, Twisted, and the Python DBAPI to construct web-based, GUI, or
     command-line applications, interacting with any kind of storage, or with      command-line applications, interacting with any kind of storage, or with
     no storage at all.  Whatever the application type, PEAK can help you put      no storage at all.  Whatever the application type, PEAK can help you put
     it together.      it together.
   
   
  Package Features   Package Features
   
     As of version 0.5a2, PEAK features include:  
       As of version 0.5a3, PEAK features include:
   
     * A component binding framework that makes it easy to parameterize      * A component binding framework that makes it easy to parameterize
       components and thus more easily combine and "wire" them together.        components and thus more easily combine and "wire" them together.
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       format.  Properties and utilities are contextual and can be safely        format.  Properties and utilities are contextual and can be safely
       acquired from parent/context components automatically.        acquired from parent/context components automatically.
   
       * A "document-driven testing" framework similar to "FIT":http://fit.c2.com/
         that lets you automatically extract test data from design and requirements
         documents created with popular word processors, then create HTML reports
         on what passed or failed.
   
     * Naming system/framework that's midway between J2EE's JNDI and CORBA's      * Naming system/framework that's midway between J2EE's JNDI and CORBA's
       cosNaming in features, but much easier to use and extend than either        cosNaming in features, but much easier to use and extend than either
       of those systems.        of those systems.
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           by name or URL, and bound as default collaborators or utilities            by name or URL, and bound as default collaborators or utilities
           for access by other application components.            for access by other application components.
   
   
   
   
   
   
     * CASE/modelling tools: PEAK includes APIs to read object      * CASE/modelling tools: PEAK includes APIs to read object
       models created in the XML-based XMI format.  Many open-source and        models created in the XML-based XMI format.  Many open-source and
       commercial modelling tools support XMI, inlcuding Argo/Poseidon and        commercial modelling tools support XMI, inlcuding Argo/Poseidon and
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     * Application Runtime tools, including:      * Application Runtime tools, including:
   
       - a "command objects" framework for creating command-line applications,        - a "command objects" framework for creating command-line applications,
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       - a CGI/FastCGI publishing framework that uses 'zope.publisher' to        - a CGI/FastCGI publishing framework that uses 'zope.publisher' to
         publish a PEAK component tree and its associated transaction service          publish a PEAK component tree and its associated transaction service
   
         - An "event-driven" programming framework that supports ultralight
           "microthreads" implemented via generators, and interacts with Twisted
           or stands alone.
   
       - an event-driven "reactor" framework that seamlessly integrates with        - an event-driven "reactor" framework that seamlessly integrates with
         Twisted, but can also be used without Twisted for applications that are          Twisted, but can also be used without Twisted for applications that are
         mostly scheduling-oriented, or which use only third-party protocol          mostly scheduling-oriented, or which use only third-party protocol
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         large or complex applications consisting of components from diverse          large or complex applications consisting of components from diverse
         providers.          providers.
   
         - a "process supervisor" framework for multiprocess servers using
           long-running child processes (created via 'fork()') to take maximum
           advantage of multiprocessor machines for CPU-intensive services.
   
   
   
   
   
   
   
     * AOP and SOP: PEAK allows you to separate concerns as modules, then      * AOP and SOP: PEAK allows you to separate concerns as modules, then
       combine the modules via a "module inheritance" technique.  This        combine the modules via a "module inheritance" technique.  This
       lets you define a generated business object model as a        lets you define a generated business object model as a
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       designed independently from) the "MixJuice" tool for AOP in Java.        designed independently from) the "MixJuice" tool for AOP in Java.
   
   
   
   
   
   
  Known Issues and Risks of this Version   Known Issues and Risks of this Version
   
    This is ALPHA software.  Although much of the system is extensively     This is ALPHA software.  Although much of the system is extensively
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  Third-Party Software Included with PEAK   Third-Party Software Included with PEAK
   
      All third-party software included with PEAK are understood by PEAK's       All third-party software included with PEAK are understood by PEAK's
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      please see the 'src/kjbuckets/COPYRIGHT.txt' file for details of its       please see the 'src/kjbuckets/COPYRIGHT.txt' file for details of its
      license.       license.
   
        The 'csv' module is part of Python 2.3 and above, and is included for
        backward compatibility in Python 2.2.  See the Python license for license
        details.
   
      The 'datetime', 'persistence' and 'ZConfig' packages are Copyright Zope       The 'datetime', 'persistence' and 'ZConfig' packages are Copyright Zope
      Corporation and contributors; please see the 'LICENSE.txt' files in their       Corporation and contributors; please see the 'LICENSE.txt' files in their
      directories for details of their licenses.       directories for details of their licenses.
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