[IPython-user] beginner's question
charles.hartman at conncoll.edu
Thu Mar 23 10:09:05 CST 2006
That works. Thank you.
On Mar 23, 2006, at 10:50 AM, Fernando Perez wrote:
> Charles Hartman wrote:
>> I just started with IPython. (OS 10.4.5 on both PPC and Intel;
>> MacPython 2.4.1; wxPython 2.6.) I'm having a little trouble with
>> the wxPython connection. Here's (I'm sure) a very simple question
>> from a non-Unix-savvy newbie:
>> It was not true at first, but is true now, that on my PPC
>> PowerBook if I start with 'ipython' all is well, but if I start
>> with 'ipython - wthread' I get the message
>> This program needs access to the screen. Please run with
>> 'pythonw', not 'python',
>> and only when you are logged in on the main display of your Mac.
>> After that if I give any keypress except ann immediately ctrl-D,
>> then I can only quit by closing the Terminal. This doesn't happen
>> on the Intel machine, but since it didn't originally happen on
>> the PPC one I doubt that's the issue. I know that "python" and
>> "pythonw" both point to scripts in /usr/local/bin (as does
>> "ipython"), but I don't know enough to see the next step. If it
>> matters, 'env' shows nearly identical results on the two machines.
>> Thanks for any guidance.
> Mmh, I see there has been no reply to your question yet, so I'll
> take a stab (though I'm not 100% sure I'm right, since I don't use
> OSX myself). You will probably be OK if you open /usr/local/bin/
> ipython and change its top line (the one starting with #!, known as
> the 'shebang line' in unix-ese) to read
> #!/usr/bin/env pythonw
> The first one is a preferred way, since it will find pythonw
> anywhere on your PATH, but use the second if the first fails.
> I don't know if there are any problems with using pythonw all the
> time instead of python. If there are, you can either make a copy
> of the ipython start script and name it ipythonw, or make an alias
> of the kind
> alias ipythonw 'pythonw /usr/local/bin/ipython'
> which will force ipython to be run under pythonw instead of plain
> I hope this helps,
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