Mind that this
sys.path.append('applications/%s/modules' % request.application)
is not thread safe. Applications should not modify the sys.path. One
problem for example is that the new path gets appened to sys.path
every time a request arrives thus resulting a memory leak.
On Aug 9, 3:49 am, Bottiger <[email protected]> wrote:
> Massimo, it is in the path because above there is the following line:
>
> sys.path.append('applications/%s/modules' % request.application)
>
> And it does work if you first request a page from "provider" before
> using the "cas" application, so its definately a timing issue rather
> than a path/import issue.
>
> On Aug 9, 1:03 am, mdipierro <[email protected]> wrote:
>
> > I think, this should not work
>
> > from w2popenid import Web2pyFetcher
>
> > because w2popenid is not in path. Twy
>
> > exec('from applications.%s.modules.w2popenid import Web2pyFetcher' %
> > request.application)
>
> > On Aug 9, 2:12 am, Bottiger <[email protected]> wrote:
>
> > > I have been trying to create an OpenID version of Auth.
>
> > > I stumbled upon a very puzzling behavior that I think may be an
> > > underlying consequence of using exec. I do not know for sure though
> > > because the bug is very strange.
>
> > > First the setup. I am using hcvst's openid provider so I can test
> > > locally.
>
> > > However, if I try to use it by using the OpenID
> > > auth:http://127.0.0.1:8000/cas/default/user/login
>
> > > then the provider address:http://127.0.0.1:8000/provider/openid/id/test
>
> > > will complain:
>
> > > File "C:/Users/admin/Desktop/web2py/applications/provider/
> > > controllers/openid.py", line 7, in <module>
> > > from w2popenid import Web2pyFetcher
> > > ImportError: cannot import name Web2pyFetcher
>
> > > Obviously, w2popenid does exist, and Web2pyFetcher is in the file but
> > > web2py chokes! But then I figured out if I restarted the server and
> > > then first visited:
>
> > >http://127.0.0.1:8000/provider/openid/id/test
>
> > > Then it worked just fine!
>
> > > So I am wondering if anyone can explain this bizarre behavior.
>
> > > Note: the "cas" application version of w2popenid does not have a
> > > Web2pyFetcher but the "provider" one does. This does not excuse Web2Py
> > > though.
>
> > > Source Code:http://www.codexon.com/temp/bug.zip
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