Well those paths look suspicious (probably because you changed them).  The 
paths should be `sage --root` + "/local/share/emacs" and `sage --root` + 
"/sage" respectively.  Really, all I can say is copy what appears in the output 
of 

sage -f https://bitbucket.org/gvol/sage-mode/downloads/sage_mode-0.9.1.spkg

Sorry, I'm not more help.  Are you using the "app" version?

-Ivan

On Jun 3, 2013, at 12:12 PM, [email protected] wrote:

> ------
> (add-to-list 'load-path "/Applications/sage/to/sage/local/share/emacs")
> (require 'sage "sage")
> (setq sage-command "/Applications/sage/to/sage/sage")
> ------
> 
> The above is my .emacs file. I changed the path several times but none of 
> them works.
> 
> On Sunday, June 2, 2013 9:54:27 PM UTC-7, Ivan Andrus wrote:
> That sounds like you haven't properly updated the load-path.  You can't 
> simply use
> 
> (add-to-list 'load-path "/path/to/sage/local/share/emacs")
> 
> as I posted (you have to change the path--perhaps you misspelled something?) 
> but you should be able to copy what is printed in the terminal when 
> installing sage-mode.  If that's what you did, please send your entire .emacs 
> since there might be some other problem.
> 
> HTH,
> Ivan
> 
> On Jun 2, 2013, at 4:43 PM, [email protected] wrote:
> 
>> Hi Ivan,
>> This is the error that Emacs reports when I tried to open it.
>> -------------
>> File Edit Options Buffers Tools Help                                         
>>                        
>> ("emacs" "test.sage")
>> Loading encoded-kb...done
>> 
>> 
>> An error has occurred while loading `/Users/yang/.emacs':
>> 
>> File error: Cannot open load file, sage
>> 
>> To ensure normal operation, you should investigate and remove the
>> cause of the error in your initialization file.  Start Emacs with
>> the `--debug-init' option to view a complete error backtrace.
>> 
>> 
>> ------------------
>> 
>> 
>> On Sunday, June 2, 2013 10:41:16 AM UTC-7, Ivan Andrus wrote:
>> Hi Yang,
>> 
>> You install sage-mode like 
>> 
>> sage -i https://bitbucket.org/gvol/sage-mode/downloads/sage_mode-0.9.1.spkg
>> 
>> and then follow the instructions printed, namely adding something like
>> 
>> (add-to-list 'load-path "/path/to/sage/local/share/emacs")
>> (require 'sage "sage")
>> (setq sage-command "/path/to/sage/sage")
>> 
>> to your .emacs (and then restart Emacs).  You _will_ need to create a .emacs 
>> (or .emacs.d/init.el) for it to work.  But if M-x python-mode doesn't work, 
>> then you might have other problems with your setup.  What version of Emacs 
>> are you using?
>> 
>> -Ivan
>> 
>> On Jun 2, 2013, at 10:48 AM, [email protected] wrote:
>> 
>>> Hi John, that's what I mean. I cannot configure emacs to use sage. What 
>>> code should I add to my Emacs to make it work? And, in case that I haven't 
>>> yet create d a .emacs file, should I create one in the home directory? 
>>> Thanks.
>>> 
>>> On Sunday, June 2, 2013 3:10:34 AM UTC-7, John Cremona wrote:
>>> I don't understand what you mean by an editor such as emacs "not 
>>> working" for Sage code.  Sage code is just text, and I have never used 
>>> anything other than emacs to edit it -- not on a Mac, but why would 
>>> that make a difference?  I have emacs configured to use python-mode, I 
>>> just have a line in ~/.emacs which tells it to do that for any file 
>>> with a .sage suffix, though I normally use .py suffix for Sage 
>>> programming anyway. 
>>> 
>>> John Cremona 
>>> 
>>> 
>>> On 2 June 2013 02:15,  <[email protected]> wrote: 
>>> > Hi there, 
>>> > 
>>> > I was using Emacs to write codes in other language for a while, but when 
>>> > I tried to change some sage code using Emacs, it seems not working. I 
>>> > went to the Sage-Mode page maintained by Ivan Andrus and downloaded 
>>> > several versions of the SPKG files. However, after opening these files, 
>>> > Emacs still cannot handle Sage at all. Then I searched for some text 
>>> > editors, like Komodo, which works perfectly for Python but does not work 
>>> > for Sage. Now I really need your help. Does anyone know another free text 
>>> > editor that works for Sage? Much Thanks, Yang. 
>>> > 
>>> > -- 
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>>> > 
>>> > 
>>> 
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>>>  
>> 
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>>  
> 
> 
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>  

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