[Product-Developers] Beware: plone.reload not pinned

Mikko Ohtamaa mikko+plone at redinnovation.com
Tue Apr 12 21:08:24 UTC 2011

aclark wrote:
> On a related note, anyone interested in trying to implement an 
> auto-reload feature such that code gets reloaded whenever a .py file 
> changes (a la Django)?


Currently Linux only, but should be easy to expand the support with OS
specific file change notify bindings (by the writing no generic Python
solution was available).

Some fork magic must be implemented to make it faster.

1)Load Zope to a point we know it is stable (e.g. zero add-ons loaded)

2) Suspend the process

3) Fork

4) Continue loading add-ons in the child

5) When files change, kill the fork and start from 2 again

This would save us from the initial Zope start-up overhead and I think
Django does something similar.


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