#PIP更新

1.pip install xxxx安装第三方库时报错
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You are using pip version 9.0.1, however version 9.0.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

2.按照提示输入pip install --upgrade pip 仍然提示错误
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3.最后以管理员权限输入更新命令sudo pip install --upgrade pip成功更新
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#easy_install安装

1.然而如threading``re等库的安装依旧报错
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2.于是尝试用easy_install安装
首先命令行输入代码
curl https://bootstrap.pypa.io/ez_setup.py -o - | python
3.将下载下来的setuptools-18.5.zip解压，此时即正确配置了easy_install了
安装命令easy_install xxxx

#wget的安装

1.然而依旧存在问题…
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在此之前我们需要安装wget
以下推荐一个安装教程 有不同的安装方法
https://www.cyberciti.biz/faq/howto-install-wget-om-mac-os-x-mountain-lion-mavericks-snow-leopard/

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curl -O http://ftp.gnu.org/gnu/wget/wget-1.13.4.tar.gz

tar xzvf wget-1.13.4.tar.gz
cd wget-1.13.4
./configure --with-ssl=openssl
sudo make
sudo make install
which wget #Should output: /usr/local/bin/wge

2.在sudo make的时候出现提示：
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3.输入./configure –with-ssl=openssl配置wget
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4.根据提示 安装openssl
yum -y install openssl
…以上尝试最终以失败告终

#通过Homebrew安装wget

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$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
$ brew install wget

#最终问题解决

…这个是自带库
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