I'm forwarding this to the sage-notebook group, where it may get more 
attention.  I'm sorry I don't know the answer to this; it does seem 
important.

On Wednesday, March 27, 2013 12:25:48 PM UTC-4, Aaron Dutle wrote:
>
> I'm doing the same, and getting the same errors, but using Google Drive. 
>
> I can say that the symlink probably isn't the problem, since I just 
> created a different notebook in my GDrive folder, pointed sage toward it.  
>
> So.... Can anybody find the problem here? Is sage maybe storing a global 
> file that tells it what notebooks exist? Anybody? 
>
>
>
> On Tuesday, November 6, 2012 2:40:40 AM UTC-5, Laurent Decreusefond wrote:
>>
>> Hi all,
>>
>> I have several Mac each of them with its own instance of SAGE and I used 
>> to share my notebooks via a symlink to a directory on Dropbox : each .sage 
>> directory on each machine had sage_notebook.sagenb symlinked to a directory 
>> on my dropbox. It worked well under version 5.0. Now I get the error below. 
>> I hoped that it would be solved with further versions but not yet.  What 
>> did change in SAGE and what could I do now ?
>>
>>
>>
>>
>> 2012-11-06 08:33:59+0100 [-] Log opened.
>> 2012-11-06 08:33:59+0100 [-] twistd 12.1.0 
>> (/Applications/sage/local/bin/python 2.7.3) starting up.
>> 2012-11-06 08:33:59+0100 [-] reactor class: 
>> twisted.internet.selectreactor.SelectReactor.
>> 2012-11-06 08:33:59+0100 [-] QuietSite starting on 8080
>> 2012-11-06 08:33:59+0100 [-] Starting factory <__builtin__.QuietSite 
>> instance at 0x10ce05878>
>> 2012-11-06 08:33:59+0100 [-] WSGI application error
>> Traceback (most recent call last):
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Twisted-12.1.0-py2.7-macosx-10.6-x86_64.egg/twisted/python/threadpool.py",
>>  
>> line 190, in _worker
>>     o = self.q.get()
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Twisted-12.1.0-py2.7-macosx-10.6-x86_64.egg/twisted/python/context.py",
>>  
>> line 118, in callWithContext
>>     return self.currentContext().callWithContext(ctx, func, *args, **kw)
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Twisted-12.1.0-py2.7-macosx-10.6-x86_64.egg/twisted/python/context.py",
>>  
>> line 83, in callWithContext
>>     self.contexts.pop()
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Twisted-12.1.0-py2.7-macosx-10.6-x86_64.egg/twisted/web/wsgi.py",
>>  
>> line 340, in run
>>     self.started = True
>> --- <exception caught here> ---
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Twisted-12.1.0-py2.7-macosx-10.6-x86_64.egg/twisted/web/wsgi.py",
>>  
>> line 315, in run
>>     appIterator = self.application(self.environ, self.startResponse)
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Flask-0.9-py2.7.egg/flask/app.py",
>>  
>> line 1701, in __call__
>>     return self.wsgi_app(environ, start_response)
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Flask-0.9-py2.7.egg/flask/app.py",
>>  
>> line 1689, in wsgi_app
>>     response = self.make_response(self.handle_exception(e))
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Flask-0.9-py2.7.egg/flask/app.py",
>>  
>> line 1687, in wsgi_app
>>     response = self.full_dispatch_request()
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Flask-0.9-py2.7.egg/flask/app.py",
>>  
>> line 1360, in full_dispatch_request
>>     rv = self.handle_user_exception(e)
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Flask-0.9-py2.7.egg/flask/app.py",
>>  
>> line 1358, in full_dispatch_request
>>     rv = self.dispatch_request()
>>   File 
>> "/Applications/sage/local/lib/python2.7/site-packages/Flask-0.9-py2.7.egg/flask/app.py",
>>  
>> line 1344, in dispatch_request
>>     return self.view_functions[rule.endpoint](**req.view_args)
>>   File "/Applications/sage/devel/sagenb/flask_version/decorators.py", 
>> line 27, in wrapper
>>     return f(*args, **kwds)
>>   File 
>> "/Applications/sage/devel/sagenb/flask_version/worksheet_listing.py", line 
>> 88, in home
>>     return render_worksheet_list(request.args, pub=False, 
>> username=username)
>>   File 
>> "/Applications/sage/devel/sagenb/flask_version/worksheet_listing.py", line 
>> 50, in render_worksheet_list
>>     search=search, reverse=reverse)
>>   File "/Applications/sage/devel/sagenb/sagenb/notebook/notebook.py", 
>> line 1277, in worksheet_list_for_user
>>     X = self.get_worksheets_with_viewer(user)
>>   File "/Applications/sage/devel/sagenb/sagenb/notebook/notebook.py", 
>> line 1455, in get_worksheets_with_viewer
>>     if self._user_manager.user_is_admin(username): return 
>> self.get_all_worksheets()
>>   File "/Applications/sage/devel/sagenb/sagenb/notebook/notebook.py", 
>> line 1450, in get_all_worksheets
>>     for w in self.users_worksheets(username):
>>   File "/Applications/sage/devel/sagenb/sagenb/notebook/notebook.py", 
>> line 367, in users_worksheets
>>     worksheets = self.__storage.worksheets(username)
>>   File 
>> "/Applications/sage/devel/sagenb/sagenb/storage/filesystem_storage.py", 
>> line 596, in worksheets
>>     path = self._abspath(self._user_path(username))
>>   File 
>> "/Applications/sage/devel/sagenb/sagenb/storage/filesystem_storage.py", 
>> line 115, in _user_path
>>     os.rename(path, new_path)
>> exceptions.OSError: [Errno 66] Directory not empty
>>  
>

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