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[英]Keymapping different between Python2.4 and Python2.7 on RedHat
[英]easy_install conflict for python2.4 and python2.7
我已經在已經安裝了python2.4的CentOS機器上的/opt/python2.7.1/下安裝了python,並將其配置為運行python2.7默認。
但是,當我寫“ easy_install”時,它會引發如下錯誤
Traceback (most recent call last):
File "/opt/python2.7.1/bin/easy_install", line 5, in ?
from pkg_resources import load_entry_point
File "/usr/lib/python2.4/site-packages/pkg_resources.py", line 2482, in ?
for dist in working_set.resolve(
File "/usr/lib/python2.4/site-packages/pkg_resources.py", line 483, in resolve
raise DistributionNotFound(req) # XXX put more info here
pkg_resources.DistributionNotFound: setuptools==0.6c11
我認為/usr/bin/
下的easy_install
鏈接到python2.4。 如何運行/opt/python2.7.1/bin/easy_install
默認值?
對於$ PATH:
/opt/python2.7.1/bin:/usr/devs/bin:/usr/local/bin:/bin:/usr/bin:/home/ops/bin
對於$ LD_LIBRARY_PATH:
/opt/python2.7.1/lib:
對於easy_install:
Traceback (most recent call last):
File "/opt/python2.7.1/bin/easy_install", line 5, in ?
from pkg_resources import load_entry_point
File "/usr/lib/python2.4/site-packages/pkg_resources.py", line 2482, in ?
for dist in working_set.resolve(
File "/usr/lib/python2.4/site-packages/pkg_resources.py", line 483, in resolve
raise DistributionNotFound(req) # XXX put more info here
pkg_resources.DistributionNotFound: setuptools==0.6c11
您必須使用virtualenv才能使一切正常運行,並且在具有多個Python版本的系統中也不必擔心。
實際上,即使您運行的是多個Python應用程序,即使在具有單個Python版本的系統q中,這也都非常有幫助。
Visrtualenv不僅會為您設置所有適當的環境變量,以便使用一個或多個Python,因為它允許您使用單獨的環境,在該環境中可以安全地“輕松安裝” Python 2.4模塊而不會與CentOS .rpm沖突。相同模塊的軟件包。
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