[Tutor] Linux lib path

[Joson]

Thanks.

2010/4/13 Joson <zhuchunml at gmail.com>

> thanks a lot. you've saved my life...
>
> 2010/4/10 Chris Fuller <cfuller at thinkingplanet.net>
>
>
>> I'm using Debian.  Used to be etch, but I did a double dist-upgrade
>> recently.
>> So, whatever the current testing release is.  My shell is zsh, but bash
>> should
>> work the same.
>>
>> PYTHONPATH should have worked.  CLASSPATH is for Java.
>>
>>
>> Here's the documentation link you want:
>> http://docs.python.org/install/index.html#inst-search-path
>> http://docs.python.org/library/site.html
>>
>>
>> Files that end in ".pth" are read by Python and the contents are added to
>> sys.path.
>>
>>
>> 0 % python
>> Python 2.5.5 (r255:77872, Feb  1 2010, 19:53:42)
>> [GCC 4.4.3] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import sys
>> >>> '/home/cfuller/tmp' in sys.path
>> False
>>
>> 0 % export PYTHONPATH=/home/cfuller/tmp
>> 0 % python
>> Python 2.5.5 (r255:77872, Feb  1 2010, 19:53:42)
>> [GCC 4.4.3] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import sys
>> >>> '/home/cfuller/tmp' in sys.path
>> True
>>
>>
>> What I prefer to do, rather than mucking around with environment variables
>> (which isn't reliable, say if its called from a daemon, init script, or
>> maybe
>> a non-interactive shell, and probably other esoterica) is to use .pth
>> files.
>> These are just a listing of directories for Python to add to sys.path.  A
>> lot
>> of packages include some of their own, you should find some in
>> site-packges.
>> Used to be you had to put them there to get them loaded, but there is new
>> per-
>> user support in Python 2.6 and 3k:
>> http://www.python.org/dev/peps/pep-0370/.
>>
>> 0 % export PYTHONPATH=
>> 0 % python
>> Python 2.5.5 (r255:77872, Feb  1 2010, 19:53:42)
>> [GCC 4.4.3] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import sys
>> >>> '/home/cfuller/tmp' in sys.path
>>
>>
>> 0 % mkdir -p ~/.local/lib/python2.6/site-packages
>> 0 % echo /home/cfuller/tmp > ~/.local/lib/python2.6/site-packages/tmp.pth
>> 0 % python2.6
>> Python 2.6.5 (r265:79063, Mar 18 2010, 23:38:15)
>> [GCC 4.4.3] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import sys
>> >>> '/home/cfuller/tmp' in sys.path
>> True
>>
>>
>>
>> Cheers
>>
>>
>> On Friday 09 April 2010, Joson wrote:
>> > Hi all,
>> >
>> > How to append a path ("/var/myprog/src") to sys.path, but not in the
>> >  dynamic way like sys.path.apend(packpath), please?
>> > I use debian os. and I'd tried to set the classpath in /etc/profile
>> (export
>> > CLASSPATH="..."), and the pythonpath too (export PYTHONPATH="..."). I
>> found
>> > it didn't work.
>> >
>> > Best regards,
>> >
>> > Joson
>> >
>>
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>
>
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