Redhat7/centOs7 安装配置python3.6.5

centos默认安装python2，设置py2和py3并存的方法如下：

sudo yum install openssl-devel -y

sudo yum install zlib-devel -y

wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tar.xz

mkdir /usr/local/python3 

tar -xvJf  Python-3.6.5.tar.xz
cd Python-3.6.5
./configure --prefix=/usr/local/python3
make && make install

ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
ln -f  -s /usr/local/python3/bin/python3 /usr/bin/python

vi /usr/bin/yum                                    把#! /usr/bin/python修改为#! /usr/bin/python2

vi /usr/libexec/urlgrabber-ext-down   文件里面的#! /usr/bin/python 也要修改为#! /usr/bin/python2

安装其他环境

安装相关依赖

sudo yum install openssl-devel -y

sudo yum install zlib-devel -y

安装setuptools

wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26

tar -zxvf setuptools-19.6.tar.gz

cd setuptools-19.6

sudo python setup.py build

sudo python setup.py install

安装pip

wget --no-check-certificate https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb

tar -zxvf pip-8.0.2.tar.gz

cd pip-8.0.2

python setup.py build

sudo python setup.py install

其他：

使用pip安装其他包

pip3 install PyQt5

pip3 install Qt.py

wget http://www.pyqtgraph.org/downloads/0.10.0/pyqtgraph-0.10.0.tar.gz

tar xvzf pyqtgraph-0.10.0.tar.gz

cd pyqtgraph-0.10.0/

python3 setup.py install

https://codeload.github.com/xmikos/soapy_power/zip/master

cd soapy_power-master/

python setup.py install

wget https://jaist.dl.sourceforge.net/project/eric-ide/eric6/stable/18.05/eric6-18.05.zip

unzip eric6-18.05.zip

python3 install.py  install

cd qspectrumanalyzer-master/

python setup.py  install

cd /usr/local/python3/lib/python3.6/site-packages/

Cmake

wget https://cmake.org/files/v3.3/cmake-3.3.2.tar.gz

tar xzvf cmake-3.3.2.tar.gz

cd cmake-3.3.2

./bootstrap

gmake

make install

cd SoapySDR-master

mkdir build
cd build
cmake ..
make -j4
sudo make install
sudo ldconfig #needed on debian systems
SoapySDRUtil --info   !!!!!!!
(做上一步前先把 三个.so找到复制到/usr/loca/lib/
写入库文件所在目录 # vim /etc/ld.so.conf.d/usr-libs.conf /usr/local/lib
更新/etc/ld.so.cache文件 # ldconfig )

修改 /etc/profile 文件，在文件末尾加上如下两行代码 (把soapy_power.py放到目录下)
PATH=$PATH:/usr/local/..../bin 
export PATH