【Python】python3.7默认库安装源地址更改及opencv |
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一、加速下载的部分设置及网址
1、python各版本及国内下载地址
python官方各版本下载地址： https://www.python.org/ftp/python/国内华为镜像 https://mirrors.huaweicloud.com/python/2、Python 第三方库国内镜像下载地址 python的默认镜像源 默认镜像源:https://pypi.python.org/simple 豆瓣 http://pypi.douban.com/simple/阿里云 http://mirrors.aliyun.com/pypi/simple/清华大学 https://pypi.tuna.tsinghua.edu.cn/simple中国科技大学 https://pypi.mirrors.ustc.edu.cn/simple/临时更换 例： pip install package -i https://pypi.tuna.tsinghua.edu.cn/simple永久更换 例： pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple 二、环境配置1、下载3.7版本python并安装； 2、下载opencv_python-3.4.2.16-cp37-cp37m-win_amd64.whl文件（在库镜像文件里面找，我实在豆瓣的库里找的，其他版本的文件有些找不到的都是在豆瓣找到的）； 3、安装numpy-1.14.5； 安装下载的opencv_python-3.4.2.16-cp37-cp37m-win_amd64.whl（这个文件要放到当前工作目录C:\Users\z_hua下） 安装opencv-contrib-python==3.4.2.16 C:\Users\z_hua>pip install numpy==1.14.5 -i http://pypi.douban.com/simple --trusted-host pypi.douban.com Looking in indexes: http://pypi.douban.com/simple Collecting numpy==1.14.5 Downloading http://pypi.doubanio.com/packages/94/80/c49b01d8632f58aef25fbe9a05be56339b7bb94b1eefd4f5d8c087d002b5/numpy-1.14.5-cp37-none-win_amd64.whl (13.4MB) 100% |████████████████████████████████| 13.4MB 10.2MB/s Installing collected packages: numpy Successfully installed numpy-1.14.5 C:\Users\z_hua>pip install opencv_python-3.4.2.16-cp37-cp37m-win_amd64.whl Processing c:\users\z_hua\opencv_python-3.4.2.16-cp37-cp37m-win_amd64.whl Requirement already satisfied: numpy>=1.14.5 in c:\users\z_hua\appdata\local\programs\python\python37\lib\site-packages (from opencv-python==3.4.2.16) (1.14.5) Installing collected packages: opencv-python Successfully installed opencv-python-3.4.2.16 C:\Users\z_hua>pip install opencv-contrib-python==3.4.2.16 -i https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple/opencv-contrib-python/ Looking in indexes: https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple/opencv-contrib-python/ Collecting opencv-contrib-python==3.4.2.16 Could not find a version that satisfies the requirement opencv-contrib-python==3.4.2.16 (from versions: ) No matching distribution found for opencv-contrib-python==3.4.2.16 ## 清华的库里面就找不到这个版本 C:\Users\z_hua>pip install opencv-contrib-python==3.4.2.16 -i http://pypi.douban.com/simple --trusted-host pypi.douban.com Looking in indexes: http://pypi.douban.com/simple Collecting opencv-contrib-python==3.4.2.16 Downloading http://pypi.doubanio.com/packages/a2/1c/778cb8a5f4026d49e299d34a98791599f7485553c29889385c43158b6f43/opencv_contrib_python-3.4.2.16-cp37-cp37m-win_amd64.whl (39.6MB) 100% |████████████████████████████████| 39.6MB 5.0MB/s Requirement already satisfied: numpy>=1.14.5 in c:\users\z_hua\appdata\local\programs\python\python37\lib\site-packages (from opencv-contrib-python==3.4.2.16) (1.14.5) Installing collected packages: opencv-contrib-python Successfully installed opencv-contrib-python-3.4.2.16 |
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