Re: About some problem

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Date	Thu, 2 Jan 2014 13:10:50 -0500
Subject	Re: About some problem
From	David Hutto <dwightdhutto@gmail.com>
To	Rustom Mody <rustompmody@gmail.com>
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and as I usually do, keep with the older stable version in order to keep up
with other packages compatibiity.



On Thu, Jan 2, 2014 at 1:07 PM, David Hutto <dwightdhutto@gmail.com> wrote:

> I think, but haven't tried, and this would be 2-3  from __future__ import
>
>
> On Thu, Jan 2, 2014 at 12:46 PM, Rustom Mody <rustompmody@gmail.com>wrote:
>
>> On Thu, Jan 2, 2014 at 11:06 PM, Ned Batchelder <ned@nedbatchelder.com>
>> wrote:
>> > On 1/2/14 12:05 PM, Rustom Mody wrote:
>> >
>> >>
>> >> i'm not sure about this but isnt it normally the case that different
>> >> version modules dont get mixed up like that?
>> >> IOW if pytesser was a properly packaged 2.7 module would python 3 be
>> >> able to get at it ??
>> >>
>> >
>> > If you use a Python 3 installer it can succeed at installing a Python 2
>> > package. Then you won't find out until you try to run the package that
>> it is
>> > incompatible.  A mechanism to prevent this seems like a good idea, but
>> since
>> > it wasn't in place at the dawn of Python 3, it would be difficult to
>> put in
>> > place now.
>>
>> $ python3
>> Python 3.3.3 (default, Dec  8 2013, 16:34:29)
>> [GCC 4.8.2] on linux
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> from sys import path
>> >>> path
>> ['', '/usr/lib/python3.3', '/usr/lib/python3.3/plat-i386-linux-gnu',
>> '/usr/lib/python3.3/lib-dynload',
>> '/usr/local/lib/python3.3/dist-packages',
>> '/usr/lib/python3/dist-packages']
>>
>>
>> $ python
>> Python 2.7.6 (default, Dec  6 2013, 21:56:56)
>> [GCC 4.8.2] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> from sys import path
>> >>> path
>> ['', '/usr/local/lib/python2.7/dist-packages/pip-1.0-py2.7.egg',
>> '/usr/lib/python2.7', '/usr/lib/python2.7/plat-i386-linux-gnu',
>> '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old',
>> '/usr/lib/python2.7/lib-dynload',
>> '/usr/local/lib/python2.7/dist-packages',
>> '/usr/lib/python2.7/dist-packages',
>> '/usr/lib/python2.7/dist-packages/PILcompat',
>> '/usr/lib/python2.7/dist-packages/gst-0.10',
>> '/usr/lib/python2.7/dist-packages/gtk-2.0',
>> '/usr/lib/pymodules/python2.7',
>> '/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode']
>>
>>
>> So as far as I can see (on a debian linux system) the paths are
>> clearly 2.7-prefixed or 3.3-prefixed.
>>
>> So apart from being stupid and/or malicious to munge sys.path to tread
>> on the other python's toes...???
>>
>> Oh ok I get what you are saying: python3 will not recognize a python2
>> package and install it seemingly correctly but actually wrongly
>> --
>> https://mail.python.org/mailman/listinfo/python-list
>>
>
>
>
> --
> Best Regards,
> David Hutto
> *CEO:* *http://www.hitwebdevelopment.com
> <http://www.hitwebdevelopment.com>*
>



-- 
Best Regards,
David Hutto
*CEO:* *http://www.hitwebdevelopment.com <http://www.hitwebdevelopment.com>*

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Re: About some problem David Hutto <dwightdhutto@gmail.com> - 2014-01-02 13:10 -0500

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