On 01/18/2010 09:26 AM, mdipierro wrote:
do you have an empty __init__.py file in odt/ ? If not that is
necessary.
Yes, otherwise I would not be able to import dispatcher at all.
Is there a variable called __all__ in dispatcher.py? It should be a
list of variable that can be exported and should include RPATH2
No, it should not be necessary for me to use __all__ because:
- RPATH2 is not an underscored variable (not __RPATH2__)
- I'm importing RPATH2 explicitly, with no wildcard:
from odt.dispatcher import RPATH2
not:
from odt.dispatcher import *
Incidentally dispatcher is my own code. I'm just using it
as an example that I can modify the module, but importing
a newly defined item will fail until I restart the server.
1. odt.dispatcher.py: RPATH1 = 'test one'
2. controller.py: from odt.dispatcher import RPATH1
3. start web2py
4. works
5. add to odt.dispatcher.py: RPATH2 = 'test two'
6. controller.py: from odt.dispatcher import RPATH2
6. next request generates import exception
7. restart web2py
8. works, RPATH2 successfully imported
Exposing external imports using __all__ would be more
tedious than simply restarting the server.
-Jeff
On Jan 17, 11:32 pm, Jeff Bauer<jba...@rubic.com> wrote:
I've got an external module /odt/dispatcher.py, with
a class defined:
class Dispatcher:
pass
I can import Dispatcher into controllers/default.py.
However, if I edit dispatcher.py to add a new element
while the web2py server is running and attempt to
import it ...
RPATH2 = "411"
... web2py throws an exception:
Traceback (most recent call last):
File "web2py/gluon/restricted.py", line 173, in restricted
exec ccode in environment
File "web2py/applications/oprep/controllers/default.py", line 3, in
<module>
from odt.dispatcher import RPATH2
ImportError: cannot import name RPATH2
Once I've shut down the server and restarted, everything's
fine and RPATH2 can be readily imported into the default.py
controller.
Interesting.
--
Jeff Bauer
Rubicon, Inc.
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