Hey everyone,
I was wondering the best way to isolate django models so they can be used
in other python applications. I have seen the django extensions, which are
very helpful. But a 'job' is still coupled to the django environment.
Ideally I'd like to do this:
* Write some function foo() that uses mysite.myapp.models
* Be able to import that function into a pure python script. So I could run
'python myscript.py' and it could run foo() without any errors.
I have done the following hack, which lets me import the models, but I get a
strange error when I try to access the database:
# this is in /project/app/scripts/
import sys, os
os.environ['DJANGO_SETTINGS_MODULE'] = 'datamanager.settings'
sys.path.append('../../../') # Add top level project path (for settings)
sys.path.append('../../') # Add app level to path
from myapp.models import mymodel
# At this point I am good to go, until I try to access the database.
>>> mymodel.objects
<django.db.models.manager.Manager object at 0x9284b0c>
>>> mymodel.objects.all()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.5/site-packages/django/db/models/query.py", line
147, in __repr__
data = list(self[:REPR_OUTPUT_SIZE + 1])
File "/usr/lib/python2.5/site-packages/django/db/models/query.py", line
224, in __getitem__
qs = self._clone()
File "/usr/lib/python2.5/site-packages/django/db/models/query.py", line
601, in _clone
query = self.query.clone()
File "/usr/lib/python2.5/site-packages/django/db/models/sql/query.py",
line 195, in clone
obj.__dict__.update(kwargs)
TypeError: descriptor '__dict__' for 'Empty' objects doesn't apply to
'BaseQuery' object
Does anyone else do this kind of thing?
Blaine
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