Re: Zope 4 migration

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Hello Michael,

thanks. I'll install Products.TemporaryFolder to avoid the warnings but wil=
l=20
replace /temp_folder with a normal folder as recommended by the maintainers
of the Sessions product. Now let's see how the more complicated setups cope
with Zope 4 - LOL.

Regards,

Michael Brunnbauer

On Fri, Dec 13, 2019 at 07:46:29AM +0100, Michael Howitz wrote:
> Am 12.12.2019 um 10:22 schrieb Michael Brunnbauer <[email protected]>:
> [???]
> > Thank you very much for your help. I have some reservations about insta=
lling
> > Products.TemporaryFolder.
>=20
> You seem only to need ZODBMountPoint. But maybe you do not use server sid=
e sessions so you can live without TemporaryFolder which needs ZODBMountPoi=
nt to mount the temporary folder.
> There is https://github.com/zopefoundation/Products.TemporaryFolder/issue=
s/12 to extract ZODBMountPoint into its own package. Feel free to comment t=
here if you actually need ZODBMountPoint without TemporaryFolder.
>=20
> > See here:
> >=20
> > https://pypi.org/project/Products.Sessions/
> >=20
> > "The default session support under Zope 2 relied on Products.TemporaryF=
older
> >  for storing session data, which in turn used the tempstorage package.
> >  tempstorage is no longer recommended because it has unfixed and possib=
ly
> >  unfixable issues under Zope 4 that lead to corrupted temporary storage=
s.???
>=20
> This is only the case when using tempstorage, a RAM based storage impleme=
ntation.
> You could also configure an additional ZODB for the server side session d=
ata and mount it instead of using Products.TemporaryFolder.
> This makes server side sessions persistent between restarts.
>=20
> > Also, for me this means installing 8 Products after installing Zope wit=
h pip:
> > Sessions, ExternalMethod, PythonScripts, ZSQLMethods, ZMySQLDA, MailHos=
t,
> > TemporaryFolder, SiteErrorLog.
>=20
> That???s right, some Products were part of Zope2 or install dependencies.
> Zope 4 is a but more lightweight. So you have to install the Products you=
 need.
>=20
> > Would the standard zc.buildout install already contain some of those?
>=20
> No, you have to add them to buildout.cfg.
>=20
> > I somehow got attached to the pip way over the years but maybe I should
> > really switch.
>=20
> If you know how to use pip: It???s okay to use it.
> I personally find Buildout more convenient.
>=20
> --
> Mit freundlichen Gr=FC=DFen
> Michael Howitz
>=20



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