1. Upgrade to Python 2.7.14

https://gist.github.com/dalegaspi/dec44117fa5e7597a559

$ sudo yum update                                      # update yum
$ sudo yum install centos-release-scl         # install SCL 
$ sudo yum install python27                        # install Python 2.7

$ scl enable python27 bash

$ cd /opt/rh/python27/root/usr/bin/ # cd to the directory where SCL installs python
$ sudo LD_LIBRARY_PATH=$LD_LIBRARY_PATH ./easy_install-2.7 pip

$ sudo LD_LIBRARY_PATH=$LD_LIBRARY_PATH ./pip2.7 install requests 

or Check below link!

https://qiita.com/Hiroyama-Yutaka/items/8a52d54819a0923436a7

https://danieleriksson.net/2017/02/08/how-to-install-latest-python-on-centos/

$ yum update
$ yum groupinstall -y "development tools”
$ yum install -y zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel expat-devel
$ yum install -y wget

Manually

$ wget http://python.org/ftp/python/2.7.14/Python-2.7.14.tar.xz
$ tar xf Python-2.7.14.tar.xz
$ cd Python-2.7.14
$ ./configure --prefix=/usr/local --enable-shared LDFLAGS="-Wl,-rpath /usr/local/lib"   ## passing --enable-unicode=ucs4
$ make && make altinstall

$ strip /usr/local/lib/libpython2.7.so.1.0

If you were faced with yum error, Check the below link!

Modifying #!/usr/bin/python to #!/usr/bin/python2.6 in /usr/bin/yum

and addition below PATH in .bashrc

$ vi .bashrc

export PATH=$PATH:/usr/local/bin/
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
export PYTHONPATH=/usr/local/lib/python2.7/site-packages/
~                                

2. pip install

https://medium.com/back-to-basics-project/how-to-install-pip-on-centos-6-8-b7453fef63e3

$ sudo yum install epel-release
$ sudo yum -y install python-pip

If you were faced with detuptool error, Check the below link!

https://zetawiki.com/wiki/리눅스_pip,_easy_install_정상화/ https://financedata.github.io/posts/faq_pip_packge_fail.html

3. iPython install using pip

$ sudo pip install ipython 

4. swig install

Use yum

$ sudo yum install swig
$ sudo yum install python-devel

Manually

http://www.swig.org/download.html

$ ./configure
$ sudo make -j 2
$ sudo make install

5. LAL install

Basically

$ wget http://software.ligo.org/lscsoft/scientific/7/x86_64/production/lscsoft-production-$ config-1.3-1.el7.noarch.rpm
$ sudo rpm -ivh lscsoft-production-config-1.3-1.el7.noarch.rpm
$ sudo yum clean all
$ sudo yum makecache

$ sudo yum install lal
$ sudo yum install lal-python

Manually

$ wget wget http://software.ligo.org/lscsoft/source/lalsuite/lal-6.18.0.tar.xz
$ tar -xf lal-6.18.0.tar.xz
$ export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
$ export PATH=/usr/local/bin:$PATH
$ export PYTHONPATH=$PYTHONPATH:/usr/local/bin/

$ ./configure --prefix=/usr/local/ --enable-swig-python
$ make -k check
$ sudo make -j 2
$ sudo make install

==================================================
LAL has now been successfully installed.
Now you may want to set up your environment.
For Bourne shells (e.g. bash), run this command:
  . /usr/local/etc/lal-user-env.sh
or add it to ~/.profile.
For C shells (e.g. tcsh), run this command:
  source /usr/local/etc/lal-user-env.csh
or add it to ~/.login.
For the fish shell, run this command:
  . /usr/local/etc/lal-user-env.fish
or add it to ~/.config/fish/config.fish.
==================================================

and addition below PATH in .bashrc

source /usr/local/etc/lal-user-env.sh

6. LAL Suite install

<GCC update>

If GCC version in CentOS is low, for example 2.4.4, update it as follows.

$ wget http://people.centos.org/tru/devtools-2/devtools-2.repo -P /etc/yum.repos.d
$ echo "enabled=1" >> /etc/yum.repos.d/devtools-2.repo
$ yum install devtoolset-2
$ scl enable devtoolset-2 bash
$ g++ -version

<Install GSL>

https://centos.pkgs.org/6/centos-x86_64/gsl-1.13-1.el6.x86_64.rpm.html

$ yum install gsl

<Install MataIO Lib.>

https://www.lsc-group.phys.uwm.edu/daswg/projects/metaio.html

$ wget http://software.ligo.org/lscsoft/source/metaio-8.2.tar.gz
$ tar -zxvf metaio-8.2.tar.gz
$ cd metaio-8.2
$ ./configure
$ sudo make
$ sudo make install

<Install HDF5 Lib.>

https://support.hdfgroup.org/HDF5/release/obtainsrc.html#conf

$ sudo yum install hdf5 hdf5-devel

Check version

$ h5cc -showconfig

<Install LAL Suite Master>

http://smirshekari.wikidot.com/lal

$ git clone https://git.ligo.org/lscsoft/lalsuite.git
$ ./00boot
$ ./configure --prefix=/usr/local/ --enable-swig-python
$ sudo make -j 2
$ sudo make install

==================================================
LALSuite has now been successfully installed.
Now you may want to set up your environment.
For Bourne shells (e.g. bash), run this command:
  . /usr/local/etc/lalsuite-user-env.sh
or add it to ~/.profile.
For C shells (e.g. tcsh), run this command:
  source /usr/local/etc/lalsuite-user-env.csh
or add it to ~/.login.
For the fish shell, run this command:
  . /usr/local/etc/lalsuite-user-env.fish
or add it to ~/.config/fish/config.fish.
==================================================

7. gwpy install

$ sudo pip install gwpy

Successfully Installed