Hi All,
While autoloading tables using turbogears.database.metadata, I get the
following error:
--------------------
[EMAIL PROTECTED] tm]# ./start-tm.py
Traceback (most recent call last):
File "./start-tm.py", line 26, in ?
from tm.controllers import Root
File "/Data/PIPLData/Projects/TM/trunk/tm/tm/controllers.py", line
13, in ?
user_tbl = Table('tg_user', metadata, autoload=True)
File
"/usr/lib/python2.4/site-packages/SQLAlchemy-0.2.6-py2.4.egg/sqlalchemy/schema.py",
line 97, in __call__
metadata.engine.reflecttable(table)
AttributeError: 'NoneType' object has no attribute 'reflecttable'
--------------------
The code is given below:
# controllers.py
# imports
.
.
from sqlalchemy import *
from turbogears.database import metadata, session
.
.
# end imports
user_tbl = Table('tg_user', metadata, autoload=True)
-------------------------
However, if I move the line to the index method, as given below, I
don't get the error while running the index method, i.e. while viewing
the home page.
.
.
@expose(template=".templates.intro")
def index(self):
user_tbl = Table('tg_user', metadata, autoload=True)
return dict()
.
.
------------------------
With my beginner's level of knowledge, what I guess is, metadata is
getting initialized at a later point than is being used.
Need guidence on how to handle this. Thanks a lot.
Sanjay
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