[网络协议]【openh264】win11：python3.10 安装meson

• python pip 安装一些包找不到的问题 Could not find a version that satisfies…
  

• Python：Defaulting to user installation because normal site-packages is not writeable

安装报错 pip3 install meson

ERROR: Could not find a version that satisfies the requirement meson (from versi

                                                                           ions: none)

ERROR: No matching distribution found for meson

升级没用 python3 -m pip install --upgrade pip

pip3 install meson -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com

• –trusted-host pypi.douban.com 这是为了获得ssl证书的认证

• 可见，是安装到了这里：
• C:\Users\zhangbin\AppData\Roaming\Python\Python310\Scripts

zhangbin@LAPTOP-F1POBCSR MINGW64 ~
$ pip3 install meson -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
Defaulting to user installation because normal site-packages is not writeable
Looking in indexes: http://pypi.douban.com/simple/
Collecting meson
  Downloading http://pypi.doubanio.com/packages/77/04/8de56b69d805406bf8c1d73934
                                                                               4938680cec9d417fa39b4a68833729505a5/meson-0.61.2-py3-none-any.whl (850 kB)
     ------------------------------------ 850.3/850.3 KB 802.4 kB/s eta 0:00:00
Installing collected packages: meson
  WARNING: The script meson.exe is installed in 'C:\Users\zhangbin\AppData\Roami
                                                                               ing\Python\Python310\Scripts' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warn
                                                                               ning, use --no-warn-script-location.
Successfully installed meson-0.61.2

zhangbin@LAPTOP-F1POBCSR MINGW64 ~

C:\Users\zhangbin\AppData\Roaming\Python\Python310\Scripts 不在我的环境变量里

C:\Program Files\Python310\Scripts 是pip3的路径