Perhaps it's a good idea to provide a prompt at this point, something like 
"Launch the browser? (yes/no)"


On Sunday, April 16, 2017 at 3:11:08 PM UTC+1, Volker Braun wrote:
>
> The token is a security measure so no other (local) user can run arbitrary 
> code in your notebook. It is printed during startup (see below). Usually, 
> jupyter will launch its own browser so the token is used automatically...
>
> $ sage -n
> ┌────────────────────────────────────────────────────────────────────┐
> │ SageMath version 8.0.beta2, Release Date: 2017-04-12               │
> │ Type "notebook()" for the browser-based notebook interface.        │
> │ Type "help()" for help.                                            │
> └────────────────────────────────────────────────────────────────────┘
> ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
> ┃ Warning: this is a prerelease version, and it may be unstable.     ┃
> ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
> Please wait while the SageNB export server starts...
> [W 16:07:47.160 NotebookApp] server_extensions is deprecated, use 
> nbserver_extensions
> [I 16:07:47.165 NotebookApp] Using MathJax: nbextensions/mathjax/MathJax.js
> [I 16:07:47.197 NotebookApp] Writing notebook server cookie secret to 
> /run/user/1006/jupyter/notebook_cookie_secret
> [I 16:07:48.266 NotebookApp] Serving notebooks from local directory: 
> /mnt/disk/home/release/Sage
> [I 16:07:48.266 NotebookApp] 0 active kernels 
> [I 16:07:48.266 NotebookApp] The Jupyter Notebook is running at: 
> http://localhost:8888/?token=4b2b23550be648f42c955b4dfe2f8ab6890553699fb8b386
> [I 16:07:48.266 NotebookApp] Use Control-C to stop this server and shut 
> down all kernels (twice to skip confirmation).
> [C 16:07:48.267 NotebookApp] 
>     
>     Copy/paste this URL into your browser when you connect for the first 
> time,
>     to login with a token:
>         
> http://localhost:8888/?token=4b2b23550be648f42c955b4dfe2f8ab6890553699fb8b386
>
>
>
> On Tuesday, April 11, 2017 at 10:43:59 PM UTC+2, dimpase wrote:
>>
>> it does not work for me, or at least I must be doing something wrong.
>> I get to the page listing the notebooks to convert, and then, if I click 
>> on a notebook, I get a weird page asking for a password or a token.
>>
>> Password or token:
>>  Log in
>>
>> Token authentication is enabled. You need to open the notebook server 
>> with its first-time login token in the URL, or enable a password in order 
>> to gain access. The command:
>>
>> jupyter notebook list
>>
>> will show you the URLs of running servers with their tokens, which you 
>> can copy and paste into your browser. For example:
>>
>> Currently running servers:http://localhost:8888/?token=c8de56fa... :: 
>> /Users/you/notebooks
>>
>> Or you can paste just the token value into the password field on this 
>> page.
>>
>> Cookies are required for authenticated access to notebooks.
>>
>>
>>
>> What I see above doesn't look as a valid URL, and then WTF is the token I 
>> can paste instead?
>>
>> I tried c8de56fa, it didn't work. I tried clicking on the URL, it brings 
>> me back to the page to choose
>>
>> the notebooks...
>>
>>  Arrgh... Give me my console any time...
>>
>>
>>
>>
>>
>> On Tuesday, April 11, 2017 at 3:04:42 PM UTC+1, kcrisman wrote:
>>>
>>> This is now default in the Sage 8.0 beta series, and we strongly welcome 
>>> testers!  For a limited time only I have posted a binary of the app bundle 
>>> at 
>>>
>>>
>>> http://www.math.gordon.edu/~kcrisman/sage-8.0.beta0-OSX_10.11.6-x86_64.app.dmg
>>>
>>> This should work on both Mac 10.11 and 10.12.   For bandwidth reasons I 
>>> would prefer if those with the ability simply upgrade and build from 
>>> scratch, but testing this app is also necessary.
>>>
>>> PLEASE TRY THIS and report back if you are at all interested in making 
>>> sure that Sage 8.0 doesn't come with nasty surprises for long-time sagenb 
>>> users.  Preliminary testing makes it seem as if we are okay, but it would 
>>> be very helpful to have feedback about better/more informative messages for 
>>> end users.
>>>
>>> Note if you haven't downloaded a new one for a while: because it will 
>>> first have to patch some names to make sure all paths are correct, the 
>>> first launch will take a LONG time.
>>>
>>

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