centos 7.7 安装Python-3.7.4_代码007(未授权)

本文介绍: centos 7.7 安装Pyt h on-3.7.4

yum -y install gcc glibc make

yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel

wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tgz

tar zxvf Python-3.7.4.tgz

# 新建一个目录用来存放并安装python3 程序
mkdir /opt/app/python3.7.4

# 切换到解压包之后的Python3.7.4目录
cd Python-3.7.4

# ./configure 用来生成编译参数，--prefix 用来指定安装目录，此处填写刚刚创建的绝对路径/opt/app/python3.7.4
./configure --prefix=/opt/app/python3.7.4

# make 为生成二进制安装文件，make install 用来进行执行安装。  
make &amp;&amp; make install

Looking in links: /tmp/tmpf2__yj7o
Collecting setuptools
Collecting pip
Installing collected packages: setuptools, pip
Successfully installed pip-19.0.3 setuptools-40.8.0

ln -s /opt/app/python3.7.4/bin/python3.7 /usr/bin/python3.7
ln -s /opt/app/python3.7.4/bin/pip3.7 /usr/bin/pip3.7

[root@iZj6cdf4xm0h3m0do5ojkjZ ~]# python3.7 -V
Python 3.7.4
[root@iZj6cdf4xm0h3m0do5ojkjZ ~]# python3.7 
Python 3.7.4 (default, Jan 20 2020, 20:02:14) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-39)] on linux
Type "help", "copyright", "credits" or "license" for more information.
&gt;&gt;&gt; print("Hello World")
Hello World
>>> exit()

pip3.7 install requests

 pip3.7 install --upgrade pip

pip3.7 install pymysql

pip3.7 install pillow

 pip3.7 install tesserocr

    gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -I/opt/app/python3.7.4/include/python3.7m -c tesserocr.cpp -o build/temp.linux-x86_64-3.7/tesserocr.o
    gcc: error trying to exec 'cc1plus': execvp: No such file or directory
    error: command 'gcc' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /opt/app/python3.7.4/bin/python3.7 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-4e_e9xf2/tesserocr/setup.py'"'"'; __file__='"'"'/tmp/pip-install-4e_e9xf2/tesserocr/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-k1lj6ss7/install-record.txt --single-version-externally-managed --compile Check the logs for full command output.

解决方法：

yum -y install tesseract-devel 
yum -y install gcc-c++

再次安装，无问题

 pip3.7 install tesserocr
Looking in indexes: http://mirrors.cloud.aliyuncs.com/pypi/simple/
Collecting tesserocr
  Downloading http://mirrors.cloud.aliyuncs.com/pypi/packages/e3/77/fb26b321c3b9ce4a47af12b19e85ddbf4d0629adb6552d85276e824e6e51/tesserocr-2.5.0.tar.gz (54kB)
     |████████████████████████████████| 61kB 44.4MB/s 
Installing collected packages: tesserocr
    Running setup.py install for tesserocr ... done
Successfully installed tesserocr-2.5.0