安装psycopg2依赖

在安装python依赖包psycopg之前，你必须需要先安装postgresql数据库的相关组件：

postgresql-devel

postgresql

postgresql-libs

安装依赖

rpm -ivh libicu-50.2-4.el7_7.x86_64.rpm

rpm -ivh libicu-devel-50.2-4.el7_7.x86_64.rpm

rpm -ivh scl-utils-20130529-19.el7.x86_64.rpm

rpm -ivh libsemanage-2.5-14.el7.x86_64.rpm

rpm -ivh postgresql14-libs-14.4-1PGDG.rhel7.x86_64.rpm

rpm -ivh postgresql14-14.4-1PGDG.rhel7.x86_64.rpm

rpm -ivh llvm-toolset-7-runtime-5.0.1-4.el7.x86_64.rpm

rpm -ivh llvm-toolset-7-compiler-rt-5.0.1-2.el7.x86_64.rpm

rpm -ivh llvm-toolset-7-libomp-5.0.1-2.el7.x86_64.rpm

llvm-libs-3.4.2-9.el7.x86_64.rpm

rpm -ivh llvm-3.4.2-9.el7.x86_64.rpm

rpm -ivh clang-3.4.2-9.el7.x86_64.rpm

rpm -ivh audit-libs-python-2.8.5-4.el7.x86_64.rpm

rpm -ivh checkpolicy-2.5-8.el7.x86_64.rpm

rpm -ivh libcgroup-0.41-21.el7.x86_64.rpm

rpm -ivh python-IPy-0.75-6.el7.noarch.rpm

rpm -ivh setools-libs-3.3.8-4.el7.x86_64.rpm

rpm -ivh policycoreutils-python-2.5-34.el7.x86_64.rpm

rpm -ivh devtoolset-7-runtime-7.1-4.el7.x86_64.rpm

rpm -ivh devtoolset-7-libstdc++-devel-7.3.1-5.16.el7.x86_64.rpm

rpm -ivh devtoolset-7-runtime-7.1-4.el7.x86_64.rpm

rpm -ivh devtoolset-7-binutils-2.28-11.el7.x86_64.rpm

rpm -ivh devtoolset-7-gcc-7.3.1-5.16.el7.x86_64.rpm

rpm -ivh devtoolset-7-gcc-c++-7.3.1-5.16.el7.x86_64.rpm

rpm -ivh llvm5.0-5.0.1-7.el7.x86_64.rpm

rpm -ivh llvm5.0-devel-5.0.1-7.el7.x86_64.rpm

rpm -ivh llvm5.0-libs-5.0.1-7.el7.x86_64.rpm

rpm -ivh llvm-toolset-7-llvm-libs-5.0.1-8.el7.x86_64.rpm

rpm -ivh llvm-toolset-7-clang-libs-5.0.1-4.el7.x86_64.rpm

rpm -ivh llvm-toolset-7-clang-5.0.1-4.el7.x86_64.rpm

rpm -ivh llvm5.0-libs-5.0.1-7.el7.x86_64.rpm

rpm -ivh libedit-devel-3.0-12.20121213cvs.el7.x86_64.rpm

rpm -ivh llvm5.0-devel-5.0.1-7.el7.x86_64.rpm

rpm -ivh postgresql14-devel-14.4-1PGDG.rhel7.x86_64.rpm

安装psycopg2

下载psycopg2包

rpm -ivh python3-psycopg2-2.8.6-1.rhel7.x86_64.rpm

启动pyhont测试