python - Python2.7 / Pip2.7 install in Centos6: root does not see /usr/local/bin

python sudo centos-6

07
2014-07

Erotemic

I am trying to install Python2.7 in Centos 6. It's a pain as centos6 ships with python26 and yum is dependent on it. Furthermore yum does not seem to have python2.7

I ended up building it from source:

    wget https://www.python.org/ftp/python/2.7.6/Python-2.7.6.tgz
    gunzip Python-2.7.6.tgz
    tar -xvf Python-2.7.6.tar
    cd Python-2.7.6
    ./configure --prefix=/usr/local --enable-unicode=ucs4 --enable-shared LDFLAGS="-Wl,-rpath /usr/local/lib"
    make 
    sudo make altinstall
    cd ~

This installed python2.7 to /usr/local/bin and I can use it. But I cannot call it with sudo unless I specify the whole pathname

To install pip I had to do:

    wget https://bootstrap.pypa.io/get-pip.py
    sudo /usr/local/bin/python2.7 get-pip.py

Now whenever I want a package I have to call

    sudo /usr/local/bin/pip2.7 install somepackage

Is there a clean way to be able to run:

    sudo pip2.7 install somepackage

without having to specify the absolute path? Is a symlink into /usr/bin safe?

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Related Question

ubuntu - Python Module: Trouble Installing Bitarray

ubuntu installation python sudo modules

Dan

I'm not sure why I am having trouble installing the Python Module Bitarray on my Ubuntu 8.10 machine.

dan@Tower:~/py$ tar xzf bitarray-0.3.5.tar.gz
dan@Tower:~/py$ cd bitarray-0.3.5
dan@Tower:~/py/bitarray-0.3.5$
dan@Tower:~/py/bitarray-0.3.5$ python setup.py install
running install
running build
running build_py
creating build
creating build/lib.linux-i686-2.5
creating build/lib.linux-i686-2.5/bitarray
copying bitarray/test_bitarray.py -> build/lib.linux-i686-2.5/bitarray
copying bitarray/__init__.py -> build/lib.linux-i686-2.5/bitarray
running build_ext
building 'bitarray._bitarray' extension
creating build/temp.linux-i686-2.5
creating build/temp.linux-i686-2.5/bitarray
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/usr/include/python2.5 -c bitarray/_bitarray.c -o build/te
mp.linux-i686-2.5/bitarray/_bitarray.o
gcc -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions build/temp.linux-i686-2.5/bitarray/_bitarray.o -o build/lib.linux-i686-2.5/bitarray/_bitarray.so
running install_lib
creating /usr/lib/python2.5/site-packages/bitarray
error: could not create '/usr/lib/python2.5/site-packages/bitarray': Permission denied


dan@Tower:~/py/bitarray-0.3.5$ sudo python setup.py install
[sudo] password for dan: 
running install
running build
running build_py
running build_ext
running install_lib
creating /usr/lib/python2.5/site-packages/bitarray
copying build/lib.linux-i686-2.5/bitarray/_bitarray.so -> /usr/lib/python2.5/site-packages/bitarray
copying build/lib.linux-i686-2.5/bitarray/test_bitarray.py -> /usr/lib/python2.5/site-packages/bitarray
copying build/lib.linux-i686-2.5/bitarray/__init__.py -> /usr/lib/python2.5/site-packages/bitarray
byte-compiling /usr/lib/python2.5/site-packages/bitarray/test_bitarray.py to test_bitarray.pyc
byte-compiling /usr/lib/python2.5/site-packages/bitarray/__init__.py to __init__.pyc
running install_egg_info
Writing /usr/lib/python2.5/site-packages/bitarray-0.3.5.egg-info


dan@Tower:~/py/bitarray-0.3.5$ python -c 'import bitarray; bitarray.test()'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "bitarray/__init__.py", line 13, in <module>
    from _bitarray import _bitarray, bits2bytes, _sysinfo
ImportError: No module named _bitarray

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python - Python2.7 / Pip2.7 install in Centos6: root does not see /usr/local/bin