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                ## pip安裝報錯 ``` > pip install xlrd # 報錯 Collecting xlrd Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: \[Errno 65\] No route to host',)': /simple/xlrd/ Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: \[Errno 65\] No route to host',)': /simple/xlrd/ ``` * 原因 查找網上的解釋是網速太慢,或被墻了。 * 解決 切換默認的pip鏡像源,使用國內鏡像加速。 `pip install -i http://pypi.douban.com/simple/ xlrd --trusted-host pypi.douban.com` * 其他鏡像源文件 對于默認的pip源的速度實在無法忍受,于是便搜集了一些國內的pip源,如下: 阿里云 [http://mirrors.aliyun.com/pypi/simple/](http://mirrors.aliyun.com/pypi/simple/) 中國科技大學 [https://pypi.mirrors.ustc.edu.cn/simple/](https://pypi.mirrors.ustc.edu.cn/simple/%20) 豆瓣(douban) [http://pypi.douban.com/simple/](http://pypi.douban.com/simple/) 清華大學 [https://pypi.tuna.tsinghua.edu.cn/simple/](https://pypi.tuna.tsinghua.edu.cn/simple/) 中國科學技術大學 [http://pypi.mirrors.ustc.edu.cn/simple/](http://pypi.mirrors.ustc.edu.cn/simple/) ## 修改默認的源配置 * linux下 需要創建或修改配置文件(一般都是創建),linux的文件在~/.pip/pip.conf, ``` [global] index-url = http://pypi.douban.com/simple [install] trusted-host=pypi.douban.com ``` * windows下 直接在user目錄中創建一個pip目錄,如:C:\\Users\\xx\\pip,新建文件pip.ini。內容同上。
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