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在Linux系統(tǒng)中，yum是一種常用的包管理器，用于安裝、更新和刪除軟件包，默認(rèn)情況下，yum可能不支持Python 2.7，為了解決這個(gè)問(wèn)題，我們可以創(chuàng)建一個(gè)自定義的yum倉(cāng)庫(kù)，其中包含Python 2.7的軟件包，以下是如何實(shí)現(xiàn)這一目標(biāo)的詳細(xì)步驟：
1、確保已經(jīng)安裝了Python 2.7，如果沒(méi)有安裝，可以使用以下命令安裝：
sudo yum install python27
2、接下來(lái)，下載Python 2.7的源代碼包，訪問(wèn)Python官方網(wǎng)站（https://www.python.org/downloads/source/）并找到Python 2.7的源代碼壓縮包，下載完成后，將其解壓到一個(gè)目錄中，例如/opt/python27：
mkdir /opt/python27 tar xvf Python2.7.x.tar.gz C /opt/python27 stripcomponents=1
3、進(jìn)入解壓后的Python 2.7目錄：
cd /opt/python27
4、創(chuàng)建一個(gè)新的目錄，用于存放Python 2.7的軟件包：
mkdir /var/www/html/repos/python27
5、將Python 2.7的源代碼編譯為RPM包，安裝必要的依賴項(xiàng)：
sudo yum groupinstall "Development Tools" sudo yum install ncursesdevel openssldevel bzip2devel libffidevel gdbmdevel readlinedevel sqlitedevel xzdevel zlibdevel
6、使用configure腳本配置Python 2.7的編譯選項(xiàng)，這里我們使用enableoptimizations選項(xiàng)以獲得更好的性能：
./configure enableoptimizations prefix=/usr/local/python27 withensurepip=install enableshared LDFLAGS="Wl,rpath,/usr/local/python27/lib" CPPFLAGS="I/usr/local/python27/include"
7、編譯并安裝Python 2.7：
make && sudo make install
8、創(chuàng)建一個(gè)新的RPM包，其中包含Python 2.7的軟件包：
sudo createrepo /var/www/html/repos/python27
9、將新創(chuàng)建的RPM包添加到y(tǒng)um倉(cāng)庫(kù)中：
sudo yumconfigmanager addrepo /var/www/html/repos/python27/centos7python27.repo
現(xiàn)在，yum應(yīng)該已經(jīng)支持Python 2.7了，可以使用以下命令檢查：
yum list available | grep python27
如果看到Python 2.7的軟件包列表，說(shuō)明已經(jīng)成功添加了對(duì)Python 2.7的支持，可以使用以下命令安裝Python 2.7及其相關(guān)軟件包：
sudo yum install python27 python27pip python27devel python27tools python27libs python27tkinter python27setuptools python27wheel python27gdbm python27sqlite3 python27readline python27ncurses python27openssl python27bz2lib python27ctypes python27xlrd python27xlwt python27pyasn1 python27pycurl python27pycrypto python27pyparsing python27pysocks python27unittest2 python27reportlab python27matplotlib python27numpy python27scipy python27pillow python27devel python27pip python27setuptools python27wheel python27gdbm python27sqlite3 python27readline python27ncurses python27openssl python27bz2lib python27ctypes python27xlrd python27xlwt python27pyasn1 python27pycurl python27pycrypto python27pyparsing python27pysocks python27unittest2 python27reportlab python27matplotlib python27numpy python27scipy python27pillow enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel,extras,updates,testing,fasttrack,remi,remiphp56,remisafe,remitest disableexcludes=main enablerepo=centosplus,epel
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