The first. My app will just be running on a shared server pythonanywhere account.
On Saturday, 19 April 2014 21:07:14 UTC-4, Anthony wrote: > > Quick clarification -- by "every instance of my app", do you simply mean > each separate request that comes into the app, or do you have different > instances of the app running on different servers? > > On Saturday, April 19, 2014 10:48:11 AM UTC-4, [email protected] wrote: >> >> My app uses a data service that requires periodically requesting an >> access_token using my apps credentials given by the data service provider. >> I send this token in the header of every request my app sends to the data >> service, and I only know the token has expired when a request comes back >> with a certain 403 response. At this point my app needs to request a new >> access_token and the cycle continues. >> >> So every instance of my app needs to use the current access_token, and >> the first instance which receives a 403 response needs to update the access >> token for all instances. So I have a couple of questions: >> >> 1. At first I tried putting the shared access_token variable in a model >> file, but I found that the view would always see access_token as defined in >> the model file even if I tried declaring it global and changing it in a >> controller (I guess model files are reloaded every action?), so instead I >> defined db.access_token in the model and that worked. I can now change >> db.access_token in a controller and see the change in the view. But is >> this the proper way to share a variable across application instances? >> >> 2. Is there a way to make a thread-safe function in my application so >> that every request to the data service requires access to some kind of Lock >> object in order to be sure that if a 403 comes back a new access_token can >> be obtained and assigned to db.access_token before another instance gets a >> 403 response? >> >> Thank you very much in advance. Please note: I am fairly new to databases >> and web frameworks in general (my Python is 'ok') so if you find yourself >> confused by my question - think newbie. >> >> Scruffy >> > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
