[Zope] questions about migrating forwards

[Andrew Watkins]

Hi list 
We have a legacy web service that is running on Zope 2.6.2 with Python 2.3.3 

For various reasons - security, maintenance etc we have decide to try migrating this forward to a current version of python and zope.  
e.g. Python 2.6 + Zope 2.12.2  

I have a new clean SUSE linux 11 installation with the correct python, setuptools and I am using virtualenv to create a sandbox 

I have installed the zope 2.12.2 and configured it in much the same way as the older system - (zeo with two data files, + 1 zope instance.) 

All is good and I can start up the instance and access the management pages. 

My next step is to get the Products list that we were using running.  Here I have run into two problems 
1. ExternalFile 
This fails to load with the error 'ImportError: No module named Interface'  (stack trace below) 
I tested this with zope 2.11.4 and it works ok. 

2. ZMySQLDA 
This fails with the message 'ImportError: No module named _mysql' 
again this works ok on zope 2.11.4 

So I guess there is a key step that I am missing out or a path, or installation that is required. 
The main difference is that 2.12 is installed using virtualenv and then easy_install 

e.g. bin/easy_install -i http://download.zope.org/Zope2/index/2.12.2 Zope2 

Are there known incompatabilities with these Products ?  or is my installation just not quite right. 

Thanks Andrew 



stack trace for loading ExternalFile 
{code} 
/web/science_1/bin # ./zopectl fg 
/web/science_1/bin/runzope -X debug-mode=on 
2010-03-11 14:28:22 INFO ZServer HTTP server started at Thu Mar 11 14:28:22 2010 
Hostname: 0.0.0.0 
Port: 8080 
2010-03-11 14:28:22 INFO ZServer FTP server started at Thu Mar 11 14:28:22 2010 
Hostname: 0.0.0.0 
Port: 8021 
2010-03-11 14:28:22 INFO Zope Set effective user to "zope" 
/web/science_1/Products/ExternalFile/ExternalFile.py:21: DeprecationWarning: MessageDialog is deprecated. import from App.Dialogs instead 
  from Globals import MessageDialog 
2010-03-11 14:28:22 ERROR Application Could not import Products.ExternalFile 
Traceback (most recent call last): 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/OFS/Application.py", line 596, in import_product 
    product=__import__(pname, global_dict, global_dict, silly) 
  File "/web/science_1/Products/ExternalFile/__init__.py", line 18, in <module> 
    from ExternalFile import manage_addExternalFileForm, addExternalFile 
  File "/web/science_1/Products/ExternalFile/ExternalFile.py", line 36, in <module> 
    from IExternalFile import IExternalFile 
  File "/web/science_1/Products/ExternalFile/IExternalFile.py", line 16, in <module> 
    from Interface import Base 
ImportError: No module named Interface 
Traceback (most recent call last): 
  File "/web/bin/runzope", line 8, in <module> 
    load_entry_point('Zope2==2.12.2', 'console_scripts', 'runzope')() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/Startup/run.py", line 21, in run 
    starter.prepare() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/Startup/__init__.py", line 87, in prepare 
    self.startZope() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/Startup/__init__.py", line 264, in startZope 
    Zope2.startup() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/__init__.py", line 47, in startup 
    _startup() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/App/startup.py", line 58, in startup 
    OFS.Application.import_products() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/OFS/Application.py", line 573, in import_products 
    import_product(product_dir, product_name, raise_exc=debug_mode) 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/OFS/Application.py", line 596, in import_product 
    product=__import__(pname, global_dict, global_dict, silly) 
  File "/web/science_1/Products/ExternalFile/__init__.py", line 18, in <module> 
    from ExternalFile import manage_addExternalFileForm, addExternalFile 
  File "/web/science_1/Products/ExternalFile/ExternalFile.py", line 36, in <module> 
    from IExternalFile import IExternalFile 
  File "/web/science_1/Products/ExternalFile/IExternalFile.py", line 16, in <module> 
    from Interface import Base 
ImportError: No module named Interface 
{code} 

{code} 
(web)horatio:/web/science_1 # bin/zopectl fg 
/web/science_1/bin/runzope -X debug-mode=on 
2010-03-11 15:14:58 INFO ZServer HTTP server started at Thu Mar 11 15:14:58 2010 
Hostname: 0.0.0.0 
Port: 8080 
2010-03-11 15:14:58 INFO ZServer FTP server started at Thu Mar 11 15:14:58 2010 
Hostname: 0.0.0.0 
Port: 8021 
2010-03-11 15:14:58 INFO Zope Set effective user to "zope" 
/web/science_1/Products/Photo/Photo.py:36: DeprecationWarning: Persistent is deprecated. import from Persistence instead 
  from Globals import Persistent 
/web/science_1/Products/Photo/Photo.py:42: DeprecationWarning: InitializeClass is deprecated. import from App.class_init instead 
  from Globals import InitializeClass, DTMLFile 
/web/science_1/Products/Photo/Photo.py:42: DeprecationWarning: DTMLFile is deprecated. import from App.special_dtml instead 
  from Globals import InitializeClass, DTMLFile 
/web/science_1/Products/Redirector/Redirector.py:12: DeprecationWarning: HTMLFile is deprecated. import from App.special_dtml instead 
  from Globals import Persistent, HTMLFile, HTML, MessageDialog 
/web/science_1/Products/Redirector/Redirector.py:12: DeprecationWarning: HTML is deprecated. import from App.special_dtml instead 
  from Globals import Persistent, HTMLFile, HTML, MessageDialog 
/web/science_1/Products/Redirector/Redirector.py:12: DeprecationWarning: MessageDialog is deprecated. import from App.Dialogs instead 
  from Globals import Persistent, HTMLFile, HTML, MessageDialog 
2010-03-11 15:14:59 WARNING Init Ambiguous name for method of Products.Redirector.Redirector.RedirectorBase: 'manage' != 'manage_main' 
2010-03-11 15:14:59 ERROR Application Could not import Products.ZMySQLDA 
Traceback (most recent call last): 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/OFS/Application.py", line 596, in import_product 
    product=__import__(pname, global_dict, global_dict, silly) 
  File "/web/science_1/Products/ZMySQLDA/__init__.py", line 91, in <module> 
    import DA 
  File "/web/science_1/Products/ZMySQLDA/DA.py", line 92, in <module> 
    from db import DB 
  File "/web/science_1/Products/ZMySQLDA/db.py", line 89, in <module> 
    import _mysql 
ImportError: No module named _mysql 
Traceback (most recent call last): 
  File "/web/bin/runzope", line 8, in <module> 
    load_entry_point('Zope2==2.12.2', 'console_scripts', 'runzope')() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/Startup/run.py", line 21, in run 
    starter.prepare() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/Startup/__init__.py", line 87, in prepare 
    self.startZope() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/Startup/__init__.py", line 264, in startZope 
    Zope2.startup() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/__init__.py", line 47, in startup 
    _startup() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/Zope2/App/startup.py", line 58, in startup 
    OFS.Application.import_products() 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/OFS/Application.py", line 573, in import_products 
    import_product(product_dir, product_name, raise_exc=debug_mode) 
  File "/web/lib/python2.6/site-packages/Zope2-2.12.2-py2.6-linux-x86_64.egg/OFS/Application.py", line 596, in import_product 
    product=__import__(pname, global_dict, global_dict, silly) 
  File "/web/science_1/Products/ZMySQLDA/__init__.py", line 91, in <module> 
    import DA 
  File "/web/science_1/Products/ZMySQLDA/DA.py", line 92, in <module> 
    from db import DB 
  File "/web/science_1/Products/ZMySQLDA/db.py", line 89, in <module> 
    import _mysql 
ImportError: No module named _mysql 
{code} 
Andrew Watkins
Systems Development Team Manager
National Institute Water & Atmospheric Research (NIWA).



NIWA is the trading name of the National Institute of Water & Atmospheric Research Ltd.
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