[Zope] Zope 4 migration

Michael Brunnbauer brunni at netestate.de
Thu Dec 12 10:22:02 CET 2019

Hello Michael,

On Thu, Dec 12, 2019 at 07:42:21AM +0100, Michael Howitz wrote:
> This means you have to install some packages (how to do this depends on your installation variant.)
> ZODBMountPoint.MountedObject lives in the package Products.TemporaryFolder.
> The SiteErrorLog lives in Products.SiteErrorLog.

Thank you very much for your help. I have some reservations about installing
Products.TemporaryFolder. See here:


 "The default session support under Zope 2 relied on Products.TemporaryFolder
  for storing session data, which in turn used the tempstorage package. 
  tempstorage is no longer recommended because it has unfixed and possibly 
  unfixable issues under Zope 4 that lead to corrupted temporary storages."

Also, for me this means installing 8 Products after installing Zope with pip:
Sessions, ExternalMethod, PythonScripts, ZSQLMethods, ZMySQLDA, MailHost,
TemporaryFolder, SiteErrorLog.

Would the standard zc.buildout install already contain some of those?
I somehow got attached to the pip way over the years but maybe I should
really switch.

> The documentation says to use virtualenv instead of venv on Python 2.7, see
> https://zope.readthedocs.io/en/4.x/INSTALL.html#built-in-standard-buildout-configuration

Can't remember seeing that note yesterday :-) In any case - thanks!


Michael Brunnbauer

++  Michael Brunnbauer
++  netEstate GmbH
++  Geisenhausener Straße 11a
++  81379 München
++  Tel +49 89 32 19 77 80
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