КАК ОБНОВИТЬ PYTHON ЧЕРЕЗ PIP
Чтобы обновить Python с помощью инструмента управления пакетами pip, необходимо открыть командную строку и ввести следующую команду:
pip install —upgrade python
Данная команда установит последнюю версию Python, доступную в репозитории PyPI, и обновит текущую установленную версию.
Если требуется обновить конкретную версию Python, то следует указать ее номер в конце команды:
pip install —upgrade python=
Например, чтобы обновить Python до версии 3.9.7, следует ввести команду:
pip install —upgrade python=3.9.7
После ввода команды необходимо дождаться завершения процесса обновления. Если в процессе обновления возникнут ошибки, то необходимо проверить наличие необходимых прав доступа и наличие подключения к интернету.
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How to upgrade pip? [duplicate]
I want to install tensorflow, but I need to upgrade pip. How to upgrade pip? I tried to upgrade through the command line and this is what I got.
C:\Users\garoo>python -m pip install --upgrade pip Collecting pip Using cached https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl Installing collected packages: pip Found existing installation: pip 10.0.1 Uninstalling pip-10.0.1: Could not install packages due to an EnvironmentError: [WinError 5] Access is denied: 'c:\\program files (x86)\\python36-32\\lib\\site-packages\\pip-10.0.1.dist-info\\entry_points.txt' Consider using the `--user` option or check the permissions. You are using pip version 10.0.1, however version 19.0.3 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command. C:\Users\garoo>python -m pip install --upgrade pip How do I upgrade the Python installation in Windows 10?
I have a Python 2.7.11 installed on one of my LAB stations. I would like to upgrade Python to at least 3.5. How should I do that ? Should I prefer to completely uninstall 2.7.11 and than install the new one ? Is there a way to update it ? Is an update a good idea ?
asked Jul 17, 2017 at 6:33
2,884 3 3 gold badges 19 19 silver badges 31 31 bronze badges
Maybe this older post can help you? stackoverflow.com/questions/15102943/how-to-update-python Br.
Jul 17, 2017 at 6:44
python2 and python3 should be treated as different langauges, like C# is different to C++
Jul 17, 2017 at 7:56
10 Answers 10
Every minor version of Python, that is any 3.x and 2.x version, will install side-by-side with other versions on your computer. Only patch versions will upgrade existing installations.
So if you want to keep your installed Python 2.7 around, then just let it and install a new version using the installer. If you want to get rid of Python 2.7, you can uninstall it before or after installing a newer version—there is no difference to this.
Current Python 3 installations come with the py.exe launcher, which by default is installed into the system directory. This makes it available from the PATH, so you can automatically run it from any shell just by using py instead of python as the command. This avoids you having to put the current Python installation into PATH yourself. That way, you can easily have multiple Python installations side-by-side without them interfering with each other. When running, just use py script.py instead of python script.py to use the launcher. You can also specify a version using for example py -3 or py -3.6 to launch a specific version, otherwise the launcher will use the current default (which will usually be the latest 3.x).
Using the launcher, you can also run Python 2 scripts (which are often syntax incompatible to Python 3), if you decide to keep your Python 2.7 installation. Just use py -2 script.py to launch a script.
As for PyPI packages, every Python installation comes with its own folder where modules are installed into. So if you install a new version and you want to use modules you installed for a previous version, you will have to install them first for the new version. Current versions of the installer also offer you to install pip ; it’s enabled by default, so you already have pip for every installation. Unless you explicitly add a Python installation to the PATH, you cannot just use pip though. Luckily, you can also simply use the py.exe launcher for this: py -m pip runs pip . So for example to install Beautiful Soup for Python 3.6, you could run py -3.6 -m pip install beautifulsoup4 .
answered Jul 17, 2017 at 7:59
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How would you recommend to do that on a station that I am currently using for development of scripts ? By the way, I have a 3.5.2 (Windows 7 64-bit)
Jul 17, 2017 at 12:13
Just install the new version side-by-side. There’s no need to remove the old version. Having the old version might even help you to migrate existing scripts from Python 2 to Python 3, so you can still run the original ones.
Jul 17, 2017 at 12:14
The installer will give you an option to set the PATH for you, so you might not need to do that manually. And yeah, your IDE needs to be updated.
Jul 17, 2017 at 12:21
also py -3.7-64 or py -3.7-32
Oct 6, 2019 at 0:37
Note: py is the Python Launcher for Windows. Or see PEP 397 that defines it. It doesn’t get installed for Linux/Mac.
Jan 17, 2020 at 20:52
If you are upgrading any 3.x.y to 3.x.z (patch) Python version, just go to Python downloads page get the latest version and start the installation. Since you already have Python installed on your machine installer will prompt you for «Upgrade Now». Click on that button and it will replace the existing version with a new one. You also will have to restart a computer after installation.
If you are upgrading from 3.x to 3.y (minor) then you will be prompted with «Install Now». In this case, you are not upgrading, but you are installing a new version of Python. You can have more than one version installed on your machine. They will be located in different directories. When you have more than one Python version on your machine you will need to use py lanucher to launch a specific version of Python.
Make sure you have py launcher installed on your machine. It will be installed automatically if you are using default settings of windows installer. You can always check it if you click on «Customize installation» link on the installation window.
If you have several Python versions installed on your machine and you have a project that is using the previous version of Python using virtual environment e.g. (venv) you can upgrade Python just in that venv using:
python -m venv —upgrade «your virtual environment path»
For instance, I have Python 3.7 in my ./venv virtual environment and I would like upgrade venv to Python 3.8, I would do following
answered Jul 31, 2019 at 14:10
Vlad Bezden Vlad Bezden
85.8k 25 25 gold badges 252 252 silver badges 184 184 bronze badges
I will try that ASAP. By doing it so I can migrate from version 3.5 for example to 3.7 ? What about all the pip list ? I assume that I will need to upgrade some or all of its contents, right ?
Jul 31, 2019 at 14:46
@MosheS.you can get a list of outdated packages using the following command: pip list —outdated and then update each package by python -m pip install —upgrade
Jul 31, 2019 at 16:28
Moving from 3.7.2 to 3.7.4 (64 bit) on Windows 10 I do not see this, I see «Install Now» where you see «Upgrade Now»
Oct 9, 2019 at 6:02
I just moved from 3.7.3 to 3.7.5 and got the «Upgrade Now» message. If I tried to upgrade from 3.7.3 to 3.8 then I would get «Install Now».
Oct 31, 2019 at 11:51
@Suncatcher you are right, that is what I described «If you would like to upgrade from 3.x to 3.y then . » section. Please read the above.
Feb 4, 2020 at 12:33
Installing/Upgrading Python Using the Chocolatey Windows Package Manager
Let’s say you have Python 2.7.16:
C:\Windows\system32>python --version python2 2.7.16 . and you want to upgrade to the (now current) 3.x.y version. There is a simple way to install a parallel installation of Python 3.x.y using a Windows package management tool.
Now that modern Windows has package management, just like Debian Linux distributions have apt-get, and RedHat has dnf: we can put it to work for us! It’s called Chocolatey.
What’s Chocolatey?
Chocolatey is a scriptable, command line tool that is based on .NET 4.0 and the nuget package manager baked into Visual Studio.
If you want to learn about Chocolatey and why to use it, which some here reading this might find particularly useful, go to https://chocolatey.org/docs/why
Installing Chocolatey
To get the Chocolatey Package Manager, you follow a process that is described at https://chocolatey.org/docs/installation#installing-chocolatey,
I’ll summarize it for you here. There are basically two options: using the cmd prompt, or using the PowerShell prompt.
CMD Prompt Chocolatey Installation
Launch an administrative command prompt. On Windows 10, to do this:
- Windows + R
- Type cmd
- Press Ctrl + ⇧ Shift + ↵ Return
If you don’t have administrator rights on the system, go to the Chocolatey website. You may not be completely out of luck and can perform a limited local install, but I won’t cover that here.
- Copy the string below into your command prompt and type Enter:
@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin" Chocolatey will be downloaded and installed for you as below:
Getting latest version of the Chocolatey package for download. Getting Chocolatey from https://chocolatey.org/api/v2/package/chocolatey/0.10.11. Downloading 7-Zip commandline tool prior to extraction. Extracting C:\Users\blahblahblah\AppData\Local\Temp\chocolatey\chocInstall\chocolatey.zip to C:\Users\blahblahblah\AppData\Local\Temp\chocolatey\chocInstall. Installing chocolatey on this machine Creating ChocolateyInstall as an environment variable (targeting 'Machine') Setting ChocolateyInstall to 'C:\ProgramData\chocolatey' WARNING: It's very likely you will need to close and reopen your shell before you can use choco. Restricting write permissions to Administrators We are setting up the Chocolatey package repository. The packages themselves go to 'C:\ProgramData\chocolatey\lib' (i.e. C:\ProgramData\chocolatey\lib\yourPackageName). A shim file for the command line goes to 'C:\ProgramData\chocolatey\bin' and points to an executable in 'C:\ProgramData\chocolatey\lib\yourPackageName'. Creating Chocolatey folders if they do not already exist. WARNING: You can safely ignore errors related to missing log files when upgrading from a version of Chocolatey less than 0.9.9. 'Batch file could not be found' is also safe to ignore. 'The system cannot find the file specified' - also safe. chocolatey.nupkg file not installed in lib. Attempting to locate it from bootstrapper. PATH environment variable does not have C:\ProgramData\chocolatey\bin in it. Adding. WARNING: Not setting tab completion: Profile file does not exist at 'C:\Users\blahblahblah\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1'. Chocolatey (choco.exe) is now ready. You can call choco from anywhere, command line or powershell by typing choco. Run choco /? for a list of functions. You may need to shut down and restart powershell and/or consoles first prior to using choco. Ensuring chocolatey commands are on the path Ensuring chocolatey.nupkg is in the lib folder Either Exit the CMD prompt or type the following command to reload the environment variables:
refreshenv PowerShell Chocolatey Installation
If you prefer PowerShell to the cmd prompt, you can do this directly from there, however you will have to tell PowerShell to run with a proper script execution policy to get it to work. On Windows 10, the simplest way I have found to do this is to type the following into the Cortana search bar next to the Windows button:
PowerShell.exe Next, right click on the ‘Best Match’ choice in the menu that pops up and select ‘Run as Administrator’
Now that you’re in PowerShell, hopefully running with Administrator privileges, execute the following to install Chocolatey:
Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1')) PowerShell will download Chocolatey for you and launch the installation. It only takes a few moments. It looks exactly like the CMD installation, save perhaps some fancy colored text.
Either Exit PowerShell or type the following command to reload the environment variables:
refreshenv Upgrading Python
The choco command is the same whether you use PowerShell or the cmd prompt. Launch your favorite using the instructions as above. I’ll use the administrator cmd prompt:
C:\WINDOWS\system32>choco upgrade python -y Essentially, chocolatey will tell you «Hey, Python isn’t installed» since you’re coming from 2.7.x and it treats the 2.7 version as completely separate. It is only going to give you the most current version, 3.x.y (as of this writing, 3.7.2, but that will change in a few months):
Chocolatey v0.10.11 Upgrading the following packages: python By upgrading you accept licenses for the packages. python is not installed. Installing. python3 v3.x.y [Approved] python3 package files upgrade completed. Performing other installation steps. Installing 64-bit python3. python3 has been installed. Installed to: 'C:\Python37' python3 can be automatically uninstalled. Environment Vars (like PATH) have changed. Close/reopen your shell to see the changes (or in powershell/cmd.exe just type `refreshenv`). The upgrade of python3 was successful. Software installed as 'exe', install location is likely default. python v3.x.y [Approved] python package files upgrade completed. Performing other installation steps. The upgrade of python was successful. Software install location not explicitly set, could be in package or default install location if installer. Chocolatey upgraded 2/2 packages. See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log). Either exit out of the cmd/Powershell prompt and re-enter it, or use refreshenv then type py —version
C:\Windows\System32>refreshenv Refreshing environment variables from registry for cmd.exe. Please wait. Finished.. C:\Windows\system32>py --version Python 3.7.2 Note that the most recent Python install will now take over when you type Python at the command line. You can run either version by using the following commands:
py -2 Python 2.7.16 (v2.7.16:413a49145e, Mar 4 2019, 01:37:19) [MSC v.1500 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> exit() C:\>py -3 Python 3.7.2 (tags/v3.7.2:9a3ffc0492, Dec 23 2018, 23:09:28) [MSC v.1916 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>>exit() C:\> From here I suggest you use the Python pip utility to install whatever packages you need. For example, let’s say you wanted to install Flask. The commands below first upgrade pip, then install Flask
C:\>py -3 -m pip install --upgrade pip Collecting pip Downloading https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl (1.4MB) 100% |████████████████████████████████| 1.4MB 1.6MB/s Installing collected packages: pip Found existing installation: pip 18.1 Uninstalling pip-18.1: Successfully uninstalled pip-18.1 Successfully installed pip-19.0.3 c:\>py -3 -m pip install Flask . will do the trick. Happy Pythoning!
How to Update Python Version? — [Upgrade Python Version]
Are you looking to update Python version to the latest python version? Then this blog post will guide you with how to upgrade Python version.
Updated: 17 Dec, 23 by Antoniy Yushkevych 12 Min
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List of content you will read in this article:
Python (py) is an open-source high-level programming language that allows users to execute commands, plugins on their machine, and even software from several major suppliers. It means you can operate it on many different operating systems, including the Windows VPS Server. Python is a cross-platform programming language. From Beginner to Expert: Master Python Programming with Our Step-by-Step Guide
Pip (package management system for Python) is one of the best applications for Python package installation and administration. Pip’s popularity stems from the many apps that use this tool. Pip enables 3rd Party package installed to manage binary packages with the quickly configured package manager. Since Python’s latest releases have piping as normal, this guide will explain how to install PIP and how to update Python version with a complete step-by-step guide.
What is PIP?
PIP stands for «Pip Installs Packages.» It’s the package manager for the Python programming language, making it easy for developers to install and manage software libraries written in Python. PIP is used to augment Python with additional functionalities that aren’t part of the standard library.
History and Evolution:
PIP was introduced as a replacement for easy_install, another older package management system for Python. As the Python community grew and more libraries became available, there arose a need for a more efficient, user-friendly package manager. PIP, with its straightforward syntax and wide range of functionalities, soon became the preferred choice.
- Installing Python Packages: The primary function of PIP is to fetch and install packages from the Python Package Index, also known as PyPI. With a simple command like pip install package-name, developers can get and set up their desired Python library.
- Requirements File: Developers can list multiple packages with their respective versions in a requirements.txt file. Using pip install -r requirements.txt, all the mentioned packages can be installed simultaneously, making it easy to replicate environments.
- Uninstalling Packages: PIP also provides an easy way to uninstall packages with the pip uninstall package-name.
- Listing Packages: With the pip list, developers can view a list of installed packages.
- Searching Packages: pip search package-name allows users to search for packages available on PyPI.
- Managing Different Versions: PIP makes it easier to upgrade to newer versions of packages or downgrade to older ones, providing flexibility based on project requirements.
Updating Python on Windows
There are two simple ways to update your current Python version with the latest one. They are as follows:
- Using the Python Installer
- Using the Windows Chocolatey Package Manager
So let’s see how we can update the Python version with these two methods, one by one.
Method 1: Python update on Windows using the Python Installer
This method of updating the Python version will work whether Python is installed or not on your System.
If Python is already installed on your system, you can check it using the Python -V command.
Step 1: Download the Python installer from the Official Website of Python
The easiest way to update the Python version is to download the latest version from the official website ( https://www.python.org/downloads/ )
You can click on the Download Python 3.11.0 button, and it will download the latest compatible Python version for your system.
Step 2: Install the Downloaded Python Installer
After downloading the exe file, double-click on it to install Python.
Step 3: Install Python
Now, you can install the latest version of Python.
Check the “Add python.ext to PATH”, then click on the “ Install Now ” button.
This will start the installation process.
After processing, the latest version of Python will be installed on your system.
Click on the “Close” Button.
Step 4: Verify the Update
After successful installation, you can verify whether or not the latest version is installed on your system. To check the Python version, you can again run the same command, python -V , on the prompt command.
Now, you can see that it is showing the latest installed version, i.e., Python 3.11.0.
Note: If it still shows the old version, you may restart your system . Or uninstall the old version from the control panel .
Method 2: Install Python using Command Line Only using the Chocolatey Package Manager
Chocolatey is a Package Manager command line tool for Windows, and we can use it to install software for our Windows system. In our case, we can use it to install Python or update the current version of Python.
Step 1 Open The Powershell as Administrator
To install Chocolatey, you need to open PowerShell as Administrator.
Step 2: Install the Chocolatey Package Manager Command
Now, you can install the Chocolatey package manager using the following command.
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString(‘https://community.chocolatey.org/install.ps1’))
Step 3: Verify the Chocolatey Installation
Now, you need to check whether Chocolatey has been installed successfully. To check it, run the “ choco ” command.
It is installed successfully because it is showing version Chocolatey v1.2.0.
Step 4: Update Python with Chocolatey
With the help of the choco upgrade command, we can update our current Python version.
choco upgrade python -y
Step 5: Verify the Version
You can again check the latest installed Python version using the following command.
python -V
Note: The old version of Python will remain on your system. You can uninstall the old version from the control panel.
How To Upgrade Python on macOS?
You can download the latest version of Python for macOS from the official Python website, similar to what you did on windows OS to update Python version on your system. To check whether it is updated to the lasted version or not, follow the below-listed commands to check the Python version.
If you want to execute this new Python release with the python command instead of python3, install an alias in your $HOME directory’s bash profile file.
Open the terminal window and type the following commands:
$ cd $HOME
$ nano .bash_profile
Then, at the bottom, add this segment.
Python 3.9 version can be checked using the following command.
How to Update Python version on LINUX?
Users can use the below listed Linux commands to upgrade Python version on the Linux server:
ppa:deadsnakes/ppa can be added to the system’s Software Sources to upgrade the machine with unsupported packages from this untrusted PPA.
$ sudo add-apt-repository ppa:deadsnakes/ppa
This command is used to update the Python package.
$ sudo apt update
$ sudo apt install python3.9
Then, using the commands below, you can search the versions of your new and current Python installations:
This command will show you the following version of Python installed in your system
$ sudo python —version
$ sudo python3 —version
$ sudo python3.9 —version
Different Linux distributions have different methods for managing packages, but here are the general methods:
sudo apt-get update sudo apt-get upgrade python3
sudo dnf upgrade python3
sudo pacman -Syu python
- Building from Source : For those who prefer to compile the latest Python version from source:
- Go to the official Python website and download the source tarball.
- Extract the tarball.
- Navigate to the directory in a terminal.
- Run the following commands:
./configure make sudo make install
Post-Upgrade:
- Check the Python version:
- If you have multiple versions of Python installed, you might need to use python3 instead of python to invoke the new version.
- Consider using virtual environments ( venv , virtualenv , etc.) to manage project-specific Python versions and dependencies.
- Remember that if you upgrade to a new major version of Python (e.g., from 2.x to 3.x), there might be compatibility issues with your existing scripts or libraries. Always back up your work and test your projects after an upgrade.
Note : Always make sure to back up important data and configurations before making any system-wide changes or updates.
Why We Should Upgrade Python
Upgrading Python to the latest version or a more recent one provides a multitude of benefits, some of which pertain to performance, security, and new features. Let’s elucidate the reasons for upgrading Python:
- Performance Enhancements: With each successive version, the Python core development team makes myriad optimizations. Upgrading can yield substantial performance improvements, enabling your code to run faster and more efficiently.
- Security Fixes: Like any software, older versions of Python might contain vulnerabilities. Regularly updating ensures that you receive patches for any security issues, fortifying your applications against potential threats.
- New Features: Newer versions of Python invariably introduce novel features, constructs, and syntactical improvements. By upgrading, developers can leverage these enhancements to write more concise and readable code.
- Improved Library Support: Many third-party libraries and frameworks gradually phase out support for older Python versions, focusing instead on compatibility with newer releases. To ensure that you can utilize the latest versions of these libraries, it’s imperative to use a supported Python version.
- Deprecated Features: Over time, some Python functions and features become deprecated and are eventually removed in subsequent versions. Upgrading ensures you’re aligned with the latest best practices and avoids potential issues arising from deprecated features.
- Bug Fixes: Beyond major features and improvements, newer versions of Python also address a multitude of bugs present in prior releases. These fixes enhance stability and predictability.
- Extended Standard Library: Python’s standard library is frequently augmented with new modules and functions. Upgrading provides access to these additional tools, broadening the repertoire of built-in utilities at a developer’s disposal.
- Type Hints and Annotations: Introduced in Python 3.5 and refined in subsequent versions, type hints allow developers to specify expected data types, enhancing code clarity and facilitating better IDE integrations and error checking.
- Concurrency and Parallelism: Newer Python versions have improved support for concurrency and parallelism, crucial for applications that require high performance and responsiveness.
- Support and Longevity: Older versions of Python will eventually reach their end-of-life (EOL), meaning they won’t receive any further updates, even for critical security issues. Staying updated ensures that you’re using a version that’s actively supported by the community and core developers.
- Consistency and Collaboration: If multiple developers or teams are working on interrelated projects, using different Python versions can introduce inconsistencies. Regularly updating ensures a uniform development environment, mitigating potential conflicts and incompatibilities.
While the aforementioned reasons make a compelling case for upgrading Python, it’s also essential to exercise caution. Before transitioning to a newer version, one should assess compatibility with existing applications, libraries, and frameworks. Conduct thorough testing in a controlled environment to ensure that the upgrade doesn’t introduce unforeseen issues.
Conclusion
We have seen how to update the Python version on operating systems like Windows, Mac OS, and Linux. Follow the guide carefully to update your Python software. We believe this guide fulfills your requirement though you can install the latest version successfully. Leave your comments below for your feedback and queries.
FAQs About How to Update Python Version? — [Upgrade Python Version]
What is the latest python version?
Python is a programming language with many features and libraries that can be used for various purposes. The latest version of Python is 3.11.0, which was released on Oct. 24, 2022. This version includes bug fixes and improvements to the standard library.
Master of word when it comes to technology, internet and privacy. I’m also your usual guy that always aims for the best result and takes a skateboard to work. If you need me, you will find me at the office’s Counter-Strike championships on Fridays or at a.yushkevych@monovm.com