[IPython-dev] python3.2 + ipython : KO [Numpy-discussion] IPython on python3, for the adventurous...

Min RK benjaminrk@gmail....
Sat Jun 18 17:47:10 CDT 2011


I did not know otool was part of XCode.

That should definitely be conditional, and perhaps there is a better way to detect libedit without it.

-MinRK

On Jun 18, 2011, at 15:40, Fernando Perez <fperez.net@gmail.com> wrote:

> Hi Olivier,
> 
> please send your messages about IPython to the list, not directly to
> me, so that others can also assist with the problem and the discussion
> is publicly archived.  Here is the mailing list info:
> 
> http://mail.scipy.org/mailman/listinfo/ipython-dev
> http://mail.scipy.org/mailman/listinfo/ipython-user
> 
> 
> On Sat, Jun 18, 2011 at 7:41 AM, Olivier Darge <olivier.darge@gmail.com> wrote:
>> hello Fernando,
>> 
>> I consider switching to python3,
>> currently 3.2 on mac.
>> I really want to continue using this nice IPython :-)
>> 
>> I found this page off course... http://ipython.scipy.org/moin/Python3
>> 
>> I cant' succeed running the last ipython3.
>> 
>> installation of this package seems ok :
>> 
>> mbp13:ipython-ipython-py3k-9c4fead odar$ python3 setup.py install
>> ============================================================================
>> BUILDING IPYTHON
>>                 python: 3.2 (r32:88452, Feb 20 2011, 11:12:31)  [GCC 4.2.1
>>                         (Apple Inc. build 5664)]
>>               platform: darwin
>> 
>> OPTIONAL DEPENDENCIES
>>                 sphinx: Not found (required for building documentation)
>>               pygments: Not found (required for syntax highlighting
>>                         documentation)
>>                   nose: Not found (required for running the test suite)
>>                pexpect: no (required for running standalone doctests)
>>                  pyzmq: no (required for qtconsole and parallel computing
>>                         capabilities)
>>               readline: yes
>> running install
>> running build
>> running build_py
>> creating build
>> creating build/lib
>> creating build/lib/IPython
>> 
>> 
>> but, when running ipython3 executable... :
>> 
>> mbp13:~ odar$ /Library/Frameworks/Python.framework/Versions/3.2/bin/ipython3
>> ; exit;
>> Error in sys.excepthook:
>> Traceback (most recent call last):
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/subprocess.py",
>> line 736, in __init__
>>     restore_signals, start_new_session)
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/subprocess.py",
>> line 1330, in _execute_child
>>     raise child_exception_type(errno_num, err_msg)
>> OSError: [Errno 2] No such file or directory: 'otool'
>> 
>> Original exception was:
>> Traceback (most recent call last):
>>   File "/Library/Frameworks/Python.framework/Versions/3.2/bin/ipython3",
>> line 10, in <module>
>>     launch_new_instance()
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/frontend/terminal/ipapp.py",
>> line 662, in launch_new_instance
>>     app.start()
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/core/application.py",
>> line 219, in start
>>     self.initialize()
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/core/application.py",
>> line 211, in initialize
>>     self.construct()
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/frontend/terminal/ipapp.py",
>> line 478, in construct
>>     self.shell =
>> TerminalInteractiveShell.instance(config=self.master_config)
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/config/configurable.py",
>> line 203, in instance
>>     inst = cls(*args, **kwargs)
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/frontend/terminal/interactiveshell.py",
>> line 86, in __init__
>>     user_global_ns=user_global_ns, custom_exceptions=custom_exceptions
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/core/interactiveshell.py",
>> line 400, in __init__
>>     self.init_readline()
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/core/interactiveshell.py",
>> line 1542, in init_readline
>>     import IPython.utils.rlineimpl as readline
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages/IPython/utils/rlineimpl.py",
>> line 59, in <module>
>>     p = Popen(['otool', '-L', _rl.__file__], stdout=PIPE, stderr=PIPE)
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/subprocess.py",
>> line 736, in __init__
>>     restore_signals, start_new_session)
>>   File
>> "/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/subprocess.py",
>> line 1330, in _execute_child
>>     raise child_exception_type(errno_num, err_msg)
>> OSError: [Errno 2] No such file or directory: 'otool'
>> logout
>> 
>> [Opération terminée]
>> 
>> 
>> really strange.
>> What can be missing in my way of launching ipython3 executable ?
>> 
>> btw, thanks a lot for providing IPython !
>> 
>> cheers from Belgium,
>> 
>> --
>> Olivier DARGE
> 
> Indeed, as you already found out, it seems XCode is needed on the mac
> because of the unconditional call to otool.
> 
> That sounds like a bug to me that we've effectively made Xcode a
> dependency on OSX, we shouldn't do that.  But I'd like correction from
> our osx experts in case I'm wrong, before opening a ticket on this...
> 
> Cheers,
> 
> f
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