TA的每日心情 | 开心 2023-8-9 11:05 |
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1.pip -h
- C:\Users\zhyu>pip -h
- Usage:
- pip <command> [options]
- Commands:
- install Install packages.
- download Download packages.
- uninstall Uninstall packages.
- freeze Output installed packages in requirements format.
- list List installed packages.
- show Show information about installed packages.
- check Verify installed packages have compatible dependencies.
- config Manage local and global configuration.
- search Search PyPI for packages.
- cache Inspect and manage pip's wheel cache.
- wheel Build wheels from your requirements.
- hash Compute hashes of package archives.
- completion A helper command used for command completion.
- debug Show information useful for debugging.
- help Show help for commands.
- General Options:
- -h, --help Show help.
- --isolated Run pip in an isolated mode, ignoring environment variables and user configuration.
- -v, --verbose Give more output. Option is additive, and can be used up to 3 times.
- -V, --version Show version and exit.
- -q, --quiet Give less output. Option is additive, and can be used up to 3 times (corresponding to
- WARNING, ERROR, and CRITICAL logging levels).
- --log <path> Path to a verbose appending log.
- --proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port.
- --retries <retries> Maximum number of retries each connection should attempt (default 5 times).
- --timeout <sec> Set the socket timeout (default 15 seconds).
- --exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup,
- (a)bort.
- --trusted-host <hostname> Mark this host or host:port pair as trusted, even though it does not have valid or any
- HTTPS.
- --cert <path> Path to alternate CA bundle.
- --client-cert <path> Path to SSL client certificate, a single file containing the private key and the
- certificate in PEM format.
- --cache-dir <dir> Store the cache data in <dir>.
- --no-cache-dir Disable the cache.
- --disable-pip-version-check
- Don't periodically check PyPI to determine whether a new version of pip is available for
- download. Implied with --no-index.
- --no-color Suppress colored output
- --no-python-version-warning
- Silence deprecation warnings for upcoming unsupported Pythons.
复制代码 2.更新pip
- C:\Users\zhyu>python -m pip install --upgrade pip
- Collecting pip
- Downloading pip-20.2-py2.py3-none-any.whl (1.5 MB)
- |████████████████████████████████| 1.5 MB 5.1 kB/s
- Installing collected packages: pip
- Attempting uninstall: pip
- Found existing installation: pip 20.1.1
- Uninstalling pip-20.1.1:
- Successfully uninstalled pip-20.1.1
- Successfully installed pip-20.2
复制代码 3.pip降级,有时候升级后一堆报错,还是降下去好
- C:\Users\zhyu>pip -V
- pip 20.2 from c:\python38\lib\site-packages\pip (python 3.8)
- C:\Users\zhyu>python -m pip install pip==20.1.1
- Collecting pip==20.1.1
- Using cached pip-20.1.1-py2.py3-none-any.whl (1.5 MB)
- Installing collected packages: pip
- Attempting uninstall: pip
- Found existing installation: pip 20.2
- Uninstalling pip-20.2:
- Successfully uninstalled pip-20.2
- Successfully installed pip-20.1.1
复制代码
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