You might also find this of interest (particularly the first section about exec): http://web2py.com/AlterEgo/default/show/271
Anthony On Thursday, September 8, 2011 9:28:45 PM UTC-4, Anthony wrote: > > Yes, in this regard web2py is not quite like most other Python web > frameworks. All of your model files are executed in a prepared environment > that includes various framework objects, such as request, response, session, > and many of the API objects. Your controller is then executed in that > environment after the models have been run, so whatever objects have been > created in your models are available in the controller. If your controller > function returns a dictionary, the execution environment is then updated to > include the items in the dictionary, and your view is executed in that > updated environment. > > So, the "boundaries of this happy sharing," as you put it, are the model, > controller, and view files (note, the view files see everything created in > the model files, but only the items returned in the dictionary of the > controller function, not any other objects created in the controller). > > Any other code you want to access (e.g., Python standard library, Python > site-packages, files in your application's 'modules' folder) have to be > imported as usual. > > See http://web2py.com/book/default/chapter/04#Dispatching (particularly > the bulleted list near the end of the section) and > http://web2py.com/book/default/chapter/04#Execution-Environment (first > paragraph). > > Anthony > > On Thursday, September 8, 2011 8:13:05 PM UTC-4, Luca wrote: >> >> I understand, but this is very un-python like and weird... you mean that >> if I have >> >> a = 1 >> >> in a file, and then load another file, then a is still 1 also in the other >> file? This is incredibly weird to me -- normally, files have to import each >> other to share variables in this way. >> >> Ok... now I just wonder what the precise boundaries of this happy sharing >> are. Thanks!! >> >> Luca >> >
