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version 356, Sat Mar 23 23:35:28 2002 UTC version 1649, Tue Jan 27 22:48:29 2004 UTC
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 Open Issues/To-Do Items  Open Issues/To-Do Items
   
  Targeted for 0.2 Final Release   Targeted for 0.5 Alpha 3
   
     API.Modules      * peak.events migration
   
       * Add tests for 'adviseModule()' API        - 'running.IProcessProxy' should use conditions/values instead of
           listeners, and related command/supervisor tools should also be ported
   
     Database        - Add tests for Twisted support
   
       * Create test suite to check proper transactional functioning, cache      * peak.ddt
         consistency, queueing behavior, and typemap management.  
   
       * Update Interfaces to reflect current API, and document internals        - Test Action processor
   
     General        - Add Row processor, maybe cursor processor
   
       * Update tutorial documentation        - A bit more doc and demos
   
   
   
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  Future Releases   Targeted for 0.5 Alpha 4
   
   Simulator/Module Inheritance      * 'ILoadingService', 'IObjectLoader' and 'load:kind@URL' scheme
   
     * Need a strategy for handling "del" operations; they are currently      * peak.config
       untrapped.  This might be okay under most circumstances, but need to  
       consider edge cases.  
   
     * 'makeClass()' should probably become part of the core API, where        - "service zones" or "service groups" to do smarter service groupings
       it can be used to resolve __metaclass__ conflicts during the first  
       pass of importing a module (prior to running 'setupModule()')  
   
     * Test "advice" functionality, add more docs.        - Replace IMainLoop activity monitoring with a plugin-based mechanism?
   
         - plugin keys ordered by definition sequence, rather than randomly
   
   Database        - ZConfig factory support to allow "smart" interpretation of strings,
           section names, etc.
   
     * Create configurable caching mixins/plugins for time/size-limited        - Writable and subscribable config sources, including editable .ini's
       caching within Specialists  
   
     * Create virtual sequence classes to implement association collections      * peak.running.logs
   
         - Separate formatters from publishers
   
   Documentation/Tests/General        - ZConfig schema for logging plugins, allowing multiple handlers/category
   
     * Create tutorials/examples based on actual uses      * peak.running.commands
   
     * Include dependencies in packaging?  Need to ask copyright owners first.         - Add "error formatting" and "error reporting" services
   
          - Add option parsing framework based on optparse (backported to 2.2)
   
       * peak.binding
   
         - Cleanup/document attribute binding interface
   
       * peak.running.timers
   
         - Factor out state into separate object so timers aren't shared state
   
         - Look at possible integration of peak.query and cursor formatters, in
           order to view stats as an in-memory mini-DB w/reporting.
   
   
       * Transaction/storage refactorings
   
         - transaction scopes for commands and tasks
   
         - integrate locks with transactions
   
         - transactable persistent queues
   
         - DM.find()/DM.get() queries
   
   SEF      * peak.web
   
     * Review other-end-notification protocols in the light of managed storage         - clean up DOMlet parse/build framework (e.g. add line number info)
       models (e.g. database Records using virtual sequence objects as fields)  
   
     * Marshalling interface in Services; implementations for Enumeration, etc.         - default error templates, w/useful info
   
     * More S-E-F metadata: features, subclasses, svc.<->class, nested services         - A set of simple, basic form controls that handle value rendering only
            (form metadata, validation, etc. will be handled by peak.web.forms in
            a later release)
   
     * Implement WarpCORE-oriented structural model, w/Querying support         - try/catch DOMlet (and related error rendering interface/framework)
   
     InMemory         - allow use of // in DOMlets' data paths, to access resource space
   
       * "Indexed" version         - DOMlets for layout/region, as defined in "A layout framework":http://www.eby-sarna.com/pipermail/transwarp/2003-August/000684.html
   
       * "WeakRefs" version (no acquisition, use w/Python 2.1 weakrefs)         - conditional GET support (last modified/ETag) for static resources
   
       * "Circular" version (suitable for use w/2.1 GC or Jython)         - image resources
   
       * "Persistent" StructuralModel (indexes w/BTrees?  Catalog?)         - the return of the Specialist
   
     Queries      * Have a way to easily in-line custom component usage (e.g. automatically
         create a subclass component with specified 'Obtain' or 'Make' bindings to
         get its configuration).
   
        * Refactor to use interfaces, if appropriate      * Drop 'persistence' package, since ZODB 4 has been derailed.  Change to
         "state-delegation" model, which will integrate better with 'peak.query'.
   
        * Incorporate into AbstractModel?  
   
          - Pros:  
   
            * Queries always available   Targeted for 0.5 Beta 1
   
            * Each StructuralModel implementation can easily include its own      * Up-to-date reference docstrings for all packages
              performance-tuned version of the basic items.  
   
          - Con: default implementation doesn't perform well on large datasets      * Finish tutorial chapter 2 (?)
   
        * How much of framework needs extensibility?  Should the predicate      * Web publishing framework sufficient to deploy page-based or object-
          classes be placed in the StructuralModel's namespace so that predicates        published apps
          have their meaning assigned by the StructuralModel implementation?  
   
   
   UML  
   
     * Need to write an MMX or XMI -> Python generator, and hook it back up into   Targeted for 0.5 Final Release (or sooner)
       the UML package, since we're right now relying on a module generated  
       by code that depends on stuff which is going away.  
   
     * Helper methods in Elements & Services for marshalling, common queries, etc.      peak.storage
   
     * Generator framework          - unit tests for more complex object scenarios: references, thunks..?
   
       - Tagged values in stereotypes vs. main values?      peak.naming
   
       - Should tagged values be copied directly into templates?  Treated as          - useful example "flat" naming context (e.g. like AppUtils.URLkeys)
         Python expressions?  
   
       - Should Services be generated using an Element class' "static"          - useful example hierarchical naming context (e.g. like JNDI's LDAP
         (class-scope) methods/attributes?            context or a filesystem context)
   
         - Are association-ends scoped?          - rework smtp: to return a factory object that supports open().
             Also think about whether smtp should move to peak.net?
   
         - Would it be better to seperate them?  
   
       - What determines whether an implemented Service actually stores objects  
         or delegates this to its subclass services?  
   
     * Simple Zope product demo (upload XMI, then browse the model via the web)  
   
     * Reporting mixins?  Graphviz visualization?  
   
   
   
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    Targeted for version 0.6
   
      * Functional/acceptance tests that access "real" databases, LDAP, etc.
   
      * Get XMI writing in place, w/transaction support
   
      * Generate UML 1.5 and CWM 1.0 and 1.1, and add them to the
        'setup.py' package lists.
   
      * On-the-fly class combination (think "runtime module inheritance",
        but possibly without the modules) for DMs.
   
      * Lock management interfaces/API for peak.storage
   
      * Support for sending and receiving remote cache invalidation
        messages between DataManagers.
   
      * Make 'cluster' parser complain about things that would cause
        the clusterit tools to choke or barf on the file, or which would
        produce ambiguous or unintended results.  (Or replace with ZConfig
        schema that can generate clusterit files.  And/or replace clusterit
        tools with PEAK ones.)
   
   
   
   
   
   
   
   XMI  
   
     * Re-org to self-contain all XMI stuff inside an _XMI sub-component/service  
   
     * Refactoring to pure S-E-F model  
   
     * Document version of standard used  
   
     * Metamodel identity/version checking  
   
     * XMI.Writing  
   
     * Strict parsing and/or diagnostics on files that don't match the metamodel?  
   
     * UUID/GUID support  
   
     * Support for advanced references, external references?  
   
     * XML Namespaces (do any current XMI tools need this?  Which spec version  
       requires this?)  
   
     * DOM StructuralModel (so files can be edited without affecting vendor XMI  
       extensions)  
   
   


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