리눅스 pip, easy install 정상화

파이썬 setuptools 모듈 설치
파이썬 pkg_resources 모듈 설치
파이썬 모듈 관리 환경 설정
파이썬 pip, easy_install 깨짐
ez_setup.py
ImportError: No module named pkg_resources
ImportError: No module named setuptools

1 문제상황[ | ]

[root@zetawiki ~]# pip
Traceback (most recent call last):
  File "/usr/bin/pip", line 5, in <module>
    from pkg_resources import load_entry_point
ImportError: No module named pkg_resources

[root@zetawiki ~]# easy_install
Traceback (most recent call last):
  File "/usr/bin/easy_install", line 5, in <module>
    from pkg_resources import load_entry_point
ImportError: No module named pkg_resources

[root@zetawiki ~]# python -c 'import pkg_resources'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ImportError: No module named pkg_resources

[root@zetawiki ~]# python -c 'import setuptools'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ImportError: No module named setuptools

2 ez_setup.py[ | ]

ez_setup.py 수행 ( 다운로드 및 설치 진행 스크립트 )

wget https://bootstrap.pypa.io/ez_setup.py -O - | python

[root@zetawiki ~]# wget https://bootstrap.pypa.io/ez_setup.py -O - | python
--2016-02-19 19:59:33--  https://bootstrap.pypa.io/ez_setup.py
Resolving bootstrap.pypa.io... 103.245.222.175
Connecting to bootstrap.pypa.io|103.245.222.175|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 12059 (12K) [text/x-python]
Saving to: “STDOUT”

100%[=================================================>] 12,059      --.-K/s   in 0s      

2016-02-19 19:59:33 (335 MB/s) - written to stdout [12059/12059]

Downloading https://pypi.python.org/packages/source/s/setuptools/setuptools-20.1.1.zip
... (생략)
Installed /usr/local/lib/python2.7/site-packages/setuptools-20.1.1-py2.7.egg
Processing dependencies for setuptools==20.1.1
Finished processing dependencies for setuptools==20.1.1

3 확인[ | ]

[root@zetawiki ~]# python -c 'import pkg_resources'
[root@zetawiki ~]# python -c 'import setuptools'
[root@zetawiki ~]# easy_install --version
setuptools 20.1.1 from /usr/local/lib/python2.7/site-packages/setuptools-20.1.1-py2.7.egg (Python 2.7)

→ pkg_resources, setuptools 모듈 있고, easy_install 도 정상

[root@zetawiki ~]# pip
Traceback (most recent call last):
  File "/usr/bin/pip", line 5, in <module>
    from pkg_resources import load_entry_point
  File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 3141, in <module>
  File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 3127, in _call_aside
  File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 3154, in _initialize_master_working_set
  File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 640, in _build_master
  File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 941, in require
  File "build/bdist.linux-x86_64/egg/pkg_resources/__init__.py", line 828, in resolve
pkg_resources.DistributionNotFound: The 'pip==7.1.0' distribution was not found and is required by the application

→ 그런데 pkg_resources 모듈이 pip 버전을 지원하지 못함

4 pip 재설치[ | ]

이제 easy_install은 정상작동한다.
yum으로 설치된 기존의 pip는 삭제하고 easy_install로 다시 설치하자.

[root@zetawiki ~]# yum remove python-pip
.. (생략)
===========================================================================================
 Package                Arch               Version                 Repository         Size
===========================================================================================
Removing:
 python-pip             noarch             7.1.0-1.el6             @epel             6.6 M

Transaction Summary
===========================================================================================
Remove        1 Package(s)

Installed size: 6.6 M
Is this ok [y/N]: y

... (생략)
Removed:
  python-pip.noarch 0:7.1.0-1.el6                                                          

Complete!

easy_install pip 설치

[root@zetawiki ~]# easy_install pip
Searching for pip
Reading https://pypi.python.org/simple/pip/
Best match: pip 8.0.2
... (생략)
Installed /usr/local/lib/python2.7/site-packages/pip-8.0.2-py2.7.egg
Processing dependencies for pip
Finished processing dependencies for pip

5 경로 바로잡기[ | ]

[root@zetawiki ~]# pip --version
-bash: /usr/bin/pip: No such file or directory

[root@zetawiki ~]# which pip
/usr/local/bin/pip

[root@zetawiki ~]# hash -r
[root@zetawiki ~]# pip --version
pip 8.0.2 from /usr/local/lib/python2.7/site-packages/pip-8.0.2-py2.7.egg (python 2.7)

6 같이 보기[ | ]

7 참고[ | ]