The issue is not you picklying. The issue is you storing in the session something the web2py can pickle but not unpickle, like an object of a class defined in a module that you define or import.
On Oct 4, 10:18 am, Jason Brower <[email protected]> wrote: > I will look if I am picling anything, but if I remember, I am only > pickling things AFTER I started seeing this bug. Though I think you > pickling in the application if I am not mistaken. > What would you like next? > Best Regards, > Jason Brower > > On 10/04/2010 04:44 PM, mdipierro wrote: > > > Not sure but here > > > request.session_id: None > > response.session_id: 127-0-0-1-3bf56311-2bf8-454d-9772-5825e8533348 > > insecure string pickle > > insecure string pickle > > insecure string pickle > > insecure string pickle > > insecure string pickle > > insecure string pickle > > insecure string pickle > > insecure string pickle > > time in controller: 1286173614.93 > > session keys: ['_formkey[default]', 'auth'] > > request.session_id: None > > response.session_id: 127-0-0-1-8ae576c9-83d3-49c9-9b31-0dcf7fb5b573 > > > something bad happens. From that moment on web2py seems to issue a new > > session at every request. You either do a os.chdir (not allowed) or > > you store in the session an object can Python cannot unpickle back. > > > On Oct 4, 1:33 am, Jason Brower<[email protected]> wrote: > > >> Attached is the print out. I still have my old debug information there > >> showing when I press each key. > >> Thanks, > >> Jason Brower > > >> On 09/29/2010 04:34 PM, mdipierro wrote: > > >>> I am going to need your help debugging this. In gluon/globals.py > > >>> if response.session_id: > >>> try: > >>> response.session_file = \ > >>> open(response.session_filename, 'rb+') > >>> portalocker.lock(response.session_file, > >>> portalocker.LOCK_EX) > >>> self.update(cPickle.load(response.session_file)) > >>> response.session_file.seek(0) > >>> except: > >>> self._unlock(response) > >>> response.session_id = None > > >>> change it to > > >>> if response.session_id: > >>> try: > >>> response.session_file = \ > >>> open(response.session_filename, 'rb+') > >>> portalocker.lock(response.session_file, > >>> portalocker.LOCK_EX) > >>> self.update(cPickle.load(response.session_file)) > >>> response.session_file.seek(0) > >>> except Exception, e: > >>> print e > >>> self._unlock(response) > >>> response.session_id = None > > >>> what does it print? > > >>> On Sep 29, 12:14 am, Jason Brower<[email protected]> wrote: > > >>>> request.session_id is always none, how ever. > >>>> BR, > >>>> Jason > >>>> On 09/28/2010 06:30 PM, mdipierro wrote: > > >>>>> add {{=request.session_id}} and {{=response.session_id}} my guess is > >>>>> that for some reason the browser requests a session, web2py cannot > >>>>> open it, so it issues a new one. > >>>>> check if the session_in in request/response and across requests is > >>>>> always the same. > > >>>>> On Sep 28, 10:05 am, Jason Brower<[email protected]> wrote: > > >>>>>> There are two pages in two different controller files running. > >>>>>> One is automated... it executes all the session updating for the > >>>>>> interface. For example it tells what motor is in motion or what sensor > >>>>>> was triggered. I don't have this controller function print anything at > >>>>>> all. (I did have it print the data it just pulled at one point but the > >>>>>> error never happened.) It simply updates a bunch of session > >>>>>> variables. > >>>>>> The second function in another controller file views that session > >>>>>> data. > >>>>>> I can refresh the page and it will read the session data and display it > >>>>>> to the screen. This function prints data to the terminal when ever it > >>>>>> is called. It prints the sorted(session.keys()) and the epoch time. > >>>>>> This is where the error shows. When I refresh some times it shows the > >>>>>> session data other times it does not. The parts of my page in the view > >>>>>> that need the session data will not work. (They are NoneType objects.) > >>>>>> I > >>>>>> use the epoch time to show when they events happened to you. I don't > >>>>>> have a session.forget in my entire coded no anything that would reset > >>>>>> these varialbes except for the first function I mentioned here. > >>>>>> Best Regards, > >>>>>> Jason Brower > >>>>>> On 09/28/2010 04:37 PM, mdipierro wrote: > > >>>>>>> Jason, > > >>>>>>> I am sorry but I do not have enough information. What do you see in > >>>>>>> the output that is wrong? What code produces the output? > > >>>>>>> massimo > > >>>>>>> On Sep 28, 6:16 am, Jason Brower<[email protected]> wrote: > > >>>>>>>> We had thought it at one point to be issues with the corruption of > >>>>>>>> the > >>>>>>>> file I used between the machine_server and the web2py_server, but > >>>>>>>> sadly > >>>>>>>> the issues still occurs... > >>>>>>>> I have been able to implement my machine server in twisted with AMP > >>>>>>>> protocol builder. I have web2py picking up that data. This is a > >>>>>>>> totally awsome setup and works very well. I can see the data at any > >>>>>>>> time by simple requesting it. > >>>>>>>> I have 2 controller files running here... > >>>>>>>> One is running a page that refreshes a smaller one that runs a > >>>>>>>> request > >>>>>>>> to the twisted server, it instantly gets the data back and parses it > >>>>>>>> out > >>>>>>>> to the session keys you see in the attatched files. > >>>>>>>> On the second controller I have a more details information of that > >>>>>>>> session data. It simply reads from the session keys and prints them > >>>>>>>> nicely for the view. There is little code except when getting a > >>>>>>>> particular item in the session dictionaries. And a small custom > >>>>>>>> form. I > >>>>>>>> personally feel these are not related at all. > >>>>>>>> In that controller's index I also have it print the time.time() and > >>>>>>>> sorted(session.keys()) to print this debug information for you. I > >>>>>>>> was > >>>>>>>> manually refression the page to show you what happens. It's not > >>>>>>>> every > >>>>>>>> other anymore, it's rather random to me... > >>>>>>>> I can't imagine where else in my code I could be making a mistake > >>>>>>>> here. > >>>>>>>> Best Regards, > >>>>>>>> Jason Brower > > >>>>>>>> error_report.txt > >>>>>>>> 6KViewDownload > > >> debug_info1.txt > >> 27KViewDownload > >
