pip install -r requirements.txt 四、使用版本控制系统 在开发过程中,我们可以使用版本控制系统(如Git)来管理包的版本。这有助于在不同的开发阶段和环境中保持一致性。 4.1 创建和管理分支 通过创建和管理Git分支,可以在不同的分支中使用不同版本的包。例如,可以创建一个降级包版本的分支: git checkout -b do...
@startuml package "Python Environment" { [Package Manager] --> [Package Repository] [Package Manager] --> [Application] [Package Repository] --> [Versions] [Application] --> [Dependencies] } note right of [Package Manager] 版本不兼容导致功能失效 end note @enduml 1. 2. 3. 4. 5. 6....
journey title Package Downgrade section Install Current Version Install numpy 1.20.1 section Downgrade Package Downgrade numpy to 1.19.3 section Verify Version Verify numpy version is 1.19.3 总结 通过使用pip命令结合指定版本号,我们可以很容易地降级Python包的版本。这在解决包兼容性问题或与其他包配合使用时...
--upgradecan be used for both downgrade or upgrade. pip install --upgrade werkzeug==0.12.2 If you want to play it safe, you can pip uninstall werkzeugpip install --upgrade werkzeug==0.12.2 --upgradeworks with-t--targetparameter as well. ...
By reading this guide, one can acquire the knowledge required to manage, install, uninstall, downgrade and upgrade Pip in no time!
Direct pip installation Requirements file usage Git repository installation Version control methods: Package upgrading Downgrade procedures Version pinning Removal processes: Clean uninstallation Dependency cleanup Cache clearing Package management systems Package management systems automate Python library installation...
$ sudo pip install simplejson==2.2.1 你还会经常需要升级、降级或者重装一些包。你可以通过下面的命令实现: $ sudo pip install simplejson --upgrade # Upgrade a package to the latest version from PyPI $ sudo pip install simplejson==2.2.1 --upgrade # Upgrade/downgrade a package to a given vers...
Install pipx as a Standalone Tool Configure pipx Before the First Run Turn PyPI Into an App Marketplace Run Single-Use Python Apps Install Python Apps Globally Manage Your Installed Apps List the Installed Apps Upgrade Apps to Their Latest Versions Downgrade Apps to a Specific Version Uninstall...
降级(Downgrade): 如果你的NumPy或SciPy版本太高,可以尝试降级到更低版本。你可以使用pip install <package_name>@<version>命令来安装指定版本的库。例如,要安装NumPy 1.19.5版本,可以运行pip install numpy==1.19.5。 升级(Upgrade): 如果你的NumPy或SciPy版本太低,可以尝试升级到更高版本。你可以使用pip install...
importsysimportsubprocessdefdowngrade_package(package_name,version):try:result=subprocess.run(['pip','install',f'{package_name}=={version}'],capture_output=True)ifresult.returncode==0:print(f"Successfully downgraded{package_name}to version{version}")else:print(f"Failed to downgrade{package_name}...