[Zope-dev] Success at porting ZTK to Python 3!

[Andreas Jung]

Very cool. Great work!

-aj

Albertas Agejevas wrote:
> Subject: Success at porting ZTK app to Python 3!
>
> Hi all,
>
> I'm glad to announce that we at CipherHealth have recently ported a
> full-fledged ZTK application to Python 3!
>
>
> What is cipher.uibuilder?
> ~~~~~~~~~~~~~~~~~~~~~~~~~
>
> UI Builder is the infrastructural part of our major product.  It is a
> library for building multi-tenant systems for business applications
> that involve import, processing and export of some data.  UI Builder
> allows the admin to set up various user-facing views for the data,
> including tables, forms, charts, etc.
>
> Each tenant (site) has a separate configuration that is editable TTW
> and is stored using the ZODB and ConfigParser files on disk.  The
> configuration files then can be loaded into a site.  This allows us to
> version configurations and move them between environments.
>
> UI Builder also provides facilities for scheduled tasks and background
> execution of long-running jobs using celery.
>
> UI Builder uses z3c.form, z3c.table, as well as zope.publisher and
> friends.
>
> We have put together a simple demo application that exercises most
> UI Builder features.
>
>
> Status of the Python 3 port
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> We have the demo application successfully running on Python 3.3.  In
> order to do that we have to rely on a number of alpha packages
> and several unreleased versions in py3 branches of dependencies.
> There still are several open issues, such as absence of xlwt-based
> Excel output and the issue of ZODB data backwards compatibility.
>
> In order to get zope.testbrowser-based tests to work on Python 3, we
> chose to migrate to WebTest as the back end instead of mechanize, as
> mechanize proved to be too hard to port to Python 3.  The new version
> of zope.testbrowser is highly compatible with the previous one,
> verified on test suites of several major applications which used
> zope.testbrowser.
>
>
> Trying it out
> ~~~~~~~~~~~~~
>
> If you're interested, you can check out the py3 branch of
> cipher.uibuilderdemo.  Follow the instructions in the README.txt:
>
> https://github.com/CipherHealth/cipher.uibuilderdemo/tree/py3
>
>
> Albertas
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