Pyenv windows. - pyenv-win/README. pyenv is a great tool. We are going to install pyenv-win, a small tool to install Python releases and switch between versions of the interpreter. Jul 11, 2020 · pyenv global 3. 3など)をコマンドで切り替えて使い分けることができます。 2. We want our project to use Python 3. venvとは. Let’s navigate into our directory and set the local Python version: /testproject $ pyenv local 3. Reload to refresh your session. 7 (All Operating Systems) Hey! En este video vamos a ver qué tan difícil es instalar pyenv en windows 10 y cómo podemos hacerlo usando pyenv-win. Con Pyenv, puedes instalar varias versiones de Python y cambiar entre ellas según lo… pyenv for Windows. Meet pyenv: a Simple Python Version Management tool. 1) created the following four files in the Aug 28, 2018 · python --version # to reconfirm. 0) the system does have python3. Installing Python 3 and Pyenv on MacOS, Windows, and Linux; Check for already installed python versions; Install Pyenv; Installing pyenv on Mac OS using homebrew; Pyenv on Windows; Pyenv on Amazon Linux 2; Pyenv on Ubuntu Linux 18. 3 is going to be used as a default. Open up Windows Command Prompt and run the following command: Jan 20, 2022 · Before going further, it is essential to note pyenv was initially not supported in the Windows operating system. However, running python -V returns Python 3. It means that if you decide to use Python on your machine without using a virtual environment, then the version 3. If you are a Windows user, you can install pyenv in a Linux subsystem using one of the methods described below. Set up a development environment, including PowerShell Core, pyenv for Windows, Python, and VS Code. Jan 8, 2024 · pyenv-winは、Windows環境で複数のPythonバージョンを管理し、必要に応じて簡単に切り替えることができるツールです。. $ pyenv versions. pyenv exec python -m pip install ansible. bat to dynamically generate pyvenv. Basically uninstallation is just removing ~/. 確認 pyenv 相關指令的使用:. 3. its already good that you are using pyenv. This project was forked from rbenv and ruby-build, and modified for Python. It's simple, unobtrusive, and follows the UNIX tradition of single-purpose tools that do one thing well. pyenv. a. pyenv-run. ユーザー直下に「. 6 (version 13. 11; Additional context So at first i use pyenv-win, then i decided to move using wsl ubuntu and use pyenv there. Contribute to pyenv/pyenv development by creating an account on GitHub. 4's built-in venv module by calling python -m venv venv, and it created successfully, but the resultant venv does not contain a bash activate script, only a . Many folks hesitate to use python3. 查看安裝的python版本 $ pyenv versions #要記得加s. Note: If pictures are not displayed on this page (after switching between GitHub tabs), please refresh the page (F5). Today I set up a VE (virtual environment) in a different location. 6\python. You will learn to seamlessly switch between multiple Jan 14, 2024 · Pyenv es una herramienta que simplifica la administración de múltiples versiones de Python en un sistema. 64. Learn how it works, how to install and use it, and how to configure it with shims and environment variables. 1 project_name to directly help out with managing virtualenvs. It’s simple, unobtrusive, and follows the UNIX tradition of single-purpose tools that do one thing well. With this VE activated, I installed pytest: (doc_indexer_ve) D:\\doc_indexer> pip install pytest Simple Python version management. 10. Update your PYENV environment variables (PYENV, PYENV_ROOT, PYENV_HOME) to match the new location. Following the instructions from the web, we will open a PowerShell window and type. You can do this using the Explorer or the following PowerShell command: Install Python 3. 用virtualenv創建虛擬編譯器 $ pyenv virtualenv 3. 04; Pyenv Installer (Linux) Use pyenv to install python 3. 2. pyenv\): Mar 7, 2023 · We'll be using pyenv-win which is a Windows port of pyenv (itself a port of the classic rbenv!) and is exactly what we need to get started. ketus-ix. $ pyenv install 3. Mar 14, 2023 · pyenv 出力 PATHの設定ができていれば上記のような表示がされる ex1. pyenvとは. 9: command not found $ pyenv which python 3. In your dotfiles you want an additional pyenv init --path: eval "$(pyenv init -)" eval "$(pyenv init --path)" If you run this command manually (without evaluating it) examine what it does: $ pyenv init --path. venv argument passed to python tells it to run the venv module, and gives it the name of . zshrc. choco install pyenv-win. 8 name_of_venv 常見指令: 1. It is now possible to install it with pyenv-win. This will create a virtual environment in a folder called . Global version is 3. 5. Most tutorials would have you use “py” when installing virtualenv, however, we will be using the version of Python installed with pyenv instead, so we must use “python” after setting our pyenv version. 9 pyenv: python-3. 1 venv_myproject. In VSCode, go to File > Preferences > Extensions. OS: Windows 10 Enterprise; Tools used: Git for windows (git bash Sep 17, 2020 · 6. 11 then set this alias alias python="$(pyenv which python)" now check where python points to which python, now change global version pyenv global 3. Then, create a new environment for project: (assume that we installed python-3. Having used pyenv to set the global version to 3. 2 - Install chocolatey. 1 with pyenv and we'll use it) $ pyenv virtualenv 3. pyenv의 플러그인으로, virtualenv를 이용해 가상환경을 관리해준다. 確認 pyenv 安裝的版本:. pyenv\pyenv-win\version) Jun 13, 2022 · pyenvをインストールしただけでは、ターミナルから使うことはできません(フルパスで指定すれば使えますが) ですので、Windowsの環境変数を設定してあげる必要があります。2つの方法で導入可能ですのでお好きな方をお選びください。 You signed in with another tab or window. Provide details and share your research! But avoid …. New in 3. Fix #311: Support many global and shell versions. 導入したら. 要过滤列表:pyenv install -l | findstr 3. In typical Linux fashion, each developer considers his code so invaluable that no documented means of removing it is provided. Improve this question. # pyenv 2. k. Earlier python versions are not supported. md at master · pyenv-win/pyenv-win Sep 29, 2022 · $ pyenv which 3. I've recently installed pyenv-win on my Windows machine using the pip documentation as I already had Python 3. You can use the Windows Settings dialog to do so, or you can do it from a PowerShell command prompt, like so (if, for example, you were using D:\pythons\. 3 - Start menu (windows key) -> Manage application execution aliases -> disable aliases related to python Dec 31, 2022 · 3. 10; Run pyenv versions and eventually python -V; Expected behavior I'm expecting pyenv versions to indicates that the version 3. 04を動かし(Windows Subsystem for Linux)、その上にPython仮想環境を構築します。. $ pyenv global 3. 11 (if you do not have it already). 7), uv will search for a Python interpreter matching that version in the following order: An activated virtual environment based on the VIRTUAL_ENV environment variable. windows. 2; pyenvとは. , --python-version=3. Sep 28, 2022 · Este video te enseña cómo instalar Pyenv y Virtualenv en una máquina Windows 10 y 11 5、用法. bashrc. PATHの通り方次第でpythonコマンドがpyenvのPythonを参照してくれず、所望のバージョンのPythonを使用してくれなくてめんどくさい時があるので注意. Learn how to install pyenv-win, a simple python version management tool, on Windows using PowerShell, Git, zip, pip or Chocolatey. 파이썬 버전을 쉽게 변경할 수 있다는 장점이 있지만 최근에는 많이 사용하지 않고있다. Sep 30, 2020 · 2 - Install pyenv-win and add it to the PATH (here are some optional steps to install it via chocolatey, which adds it directly to the PATH) 2. Jan 7, 2021 · $ pyenv install 3. venv. 注意:对于某些非静默安装,可能会弹出安装向导。. I have installed pyenv on Windows 10 with pip. # bash の場合 vi ~/. 次のコマンドで導入できます。. 9 $ python --version Python 3. It is not supported on windows but python can easily be installed from their Nov 29, 2023 · It seemed that my WSL environment was referring to the pyenv version installed on windows and not the pyenv version installed within WSL (ubuntu). pip3 install pyenv 가상환경 생성. pyenv-update Public. On Windows, you need to install Pyenv in the Windows Subsystem for Linux (WSL). You can do this using the Explorer or the following PowerShell command: Aug 25, 2020 · 今回は、Pythonのバージョン管理ができる「pyenv」をWindowsにインストールする方法を記載。※自分用。 当初「pyenv」はWindowsでは使用できませんでした。ただ、今は公式がWindows向けの「pyenv-win」をリリースしてWindowsでも問題なく使えます。 Jun 28, 2019 · Pyenv allows you to easily install different versions of python alongside each other on your system without conflicts. pyenv activate <name> and to deactivate the virtual environment use. It also puts envs inside the python version directories, which seems like it's probably incompatible with having shared versions. 10を使ってみたいなんてことがある時に、このpyenvをインストールしておくことで、すぐに使いたいpythonのバージョンに切り替えることができます。 Oct 10, 2018 · Original answer: pyenv will handle everything you need: My workflow (for one project to make it more readable) would be the following: pyenv install 3. After that you can simply activate the virtualenv created by pyenv using. Aug 22, 2020 · pyenv install 3. bash_profile. python-version file containing the desired version, for example, 3. Create the virtual environment in a desired directory using the following command: python -m venv env. 今回はWindowsでUbuntu 20. If it was there, then we can use it as a global and local interpreter by executing these: pyenv global 3. But when I want to install python package on wsl, its directed to pyenv-win. 3 sets the global version of Python to 3. . Aug 27, 2021 · Installing pyenv-win is not very straightforward due to how Windows 10/11 and PowerShell works, but if you follow those steps, it shouldn’t be too much of a hassle: Download pyenv-win ZIP-archive: pyenv-win; Create a new folder . Next use cd to navigate to that new directory. This tool is used to install `pyenv` and friends. If you prefer, the installation can also be done, faster, from command line - just run code --install-extension ms-python. pyenv deactivate pyenv-installer Public. windows-10. pyenvとは、pythonのversionを複数管理できるもの。通常はpythonをネットからインストールして来るんだが、それだと1つのversionを指定することになるため、他のversionを入れたい場合、インストール済みのpythonを削除してからインストールしなおす必要がある。 Jan 1, 2024 · 続いて、お使いのシェルの設定ファイルを開いてください。. bat and . 9 (gives path to system python) $ pyenv which python-3. pyenv-virtualenv Public. This uses pyenv exec to run the python command, which will use Python 3. run | bash Aug 22, 2023 · Se tudo ocorreu como planejado, neste ponto o pyenv já está instalado e você pode começar a instalar versões do Python e fazer atualizações. 0 To set up your Windows machine for Python coding, you’ll: Clean and update a new Windows install. 11 and above) via Windows' Add or remove Programs systems settings page before running the pyenv uninstall command for those versions. pyenvのシステム環境変数. Jan 24, 2024 · そこで、pyenvの出番というわけです! pyenvを使えば、複数のバージョン(例えば3. pyenv、venvを使う環境の構築 Sep 6, 2016 · @mcExchange My function, when boiled down to the bare basics, wasn't that different from the one posted in the question — I just didn't then also call it after defining it in my shell startup. To install pyenv-win, please refer to the Readme. pyenv activate ENV_NAME . - pyenv-win/docs/faq. pyenv-winのインストール先. 更換環境 $ pyenv activate name_of_venv. 03. 3 - In an administrator powershell run: choco install pyenv-win. 13 (I need to compile a software project which requires linking with python dynamic library) Thank you very much for your help! Jan 10, 2023 · With the help of the localadmin user I managed to install pyenv-win following the instructions given at official PyPi documentation. pyenv in your user folder with the name . 0. 6-project/ $ pyenv local 3. This will download and install the latest Django release. The virtualenv library for python 2. 私の方法だとこうなるはず(確認用) pythonより上の位置に移動させておきましょう ex2. 1. 4. io Public. 无需更改其中的任何选项。. I tried to create a venv using python 3. ps1. Attention: This plugin is different from pyenv-virtualenv, which provides extended commands like pyenv virtualenv 3. pyenv\pyenv-win\versions\3. Installing this will output the progress in the CLI and open up an installer GUI. 或者您 Feb 3, 2021 · Luckily, pyenv comes with pyenv local command that can help us here: $ cd python3. Jan 11, 2023 · 今回は、Windowsでpyenvとpipenvを使って、Pythonのバージョンや ライブラリの管理を柔軟に行えるようにする方法を共有しました。 もし、WindowsでのPython利用に迷われている方がいらっしゃいましたら ぜひ、お試しください! Jan 3, 2024 · Note: If you are on a Mac or a Windows machine, check out these detailed instructions on how to install Pyenv. 2 Set the local Python version for a specific directory: cd C:\path\to\project pyenv local 3. osx/linux: pyenv windows: pyenv-win Mar 17, 2019 · Instalando o pyenv via pyenv-installer. Asking for help, clarification, or responding to other answers. scroll down and you will see the code bellow then delete it. pyenv has decopuled the path prepending into a separate init command. Install results in a sprinkling throughout the file system with a variety of settings that are difficult Jun 1, 2015 · I use gitbash on windows (7, 64bit). As it seems, pyenv is running well, at least I can call pyenv in the PowerShell and it reacts like expected. In order to activate the virtual environment use. Let’s create a new folder named testproject which will serve as our project directory. Use a package manager to bulk install key software. Previously known as Pythonbrew, pyenv lets you change the global Python version, install multiple Python versions, set directory (project)-specific Python versions, and yes create/manage virtual python environments ("virualenv's"). the steps that I have done are, first installing the pyenv installer and running that script then trying to run (pyenv install -v 3. After the installation has completed, you can verify your Django installation by executing django-admin --version in the command prompt. 8 installed and pyenv does seem to know about it but it still will not let me install 3. It lets you easily switch between multiple versions of Python. Close the terminal and open it again to have access to the new tool. References Sep 14, 2020 · virtualenv on Windows. To make things better, only PR works. May 23, 2022 · pyenvインストール. The term 'pyenv' is not recognized as a name of a cmdlet, function, script file, or executable program. python; install and enable it. mkdir myproject. 8 and can succeed; though CANNOT pyenv global set it to have my windows os to use this 3. 9 pyenv: 3. github. 1 This command generates folder for our environment. It's simple, unobtrusive, and follows the UNIX tradition of s pyenv is a tool for simple Python version management. 2. open terminal: $ sudo nano . 5 installed on my machine. This will create a new folder called env inside the directory where you executed the command. Open a command prompt terminal by either searching command prompt in the Windows search bar, or press the Windows Key + R and enter cmd. 查看 pyenv windows 支持的 python 版本列表:pyenv install -l. This issue also be discussed here Jan 25, 2024 · Navigate to your project directory and create a . there are a few ways to install packages. O script a seguir está disponível no repositório do projeto: Ao final da execução do script acima você terá disponível em seu sistema: pyenv: o 2. Shell 3,868 MIT 417 3 0 Updated 3 weeks ago. PS C:\Users\hp\Documents\Projects> pyenv. Ideally through a python version manager like pyenv. Look for an extension called Python with the identifier ms-python. cd python_projects. g. Pyenv is a powerful tool that allows you to manage multiple Python versions on your system. Installing pyenv by Cloning the GitHub Repository Aug 27, 2021 · Installing pyenv-win is not very straightforward due to how Windows 10/11 and PowerShell works, but if you follow those steps, it shouldn’t be too much of a hassle: Download pyenv-win ZIP-archive: pyenv-win; Create a new folder . work pyenvにはWindows版が存在しており、これとpipenvを組み合わせると、下の記事で紹介し… 前記事で公式版PythonとpipenvによるPython仮想環境の構築方法について書いたが、その中では以前のUbunuとMacを対象した記事で紹介したpyenvは使っていなかった。 May 24, 2019 · It seems like pyenv only uses PYENV_ROOT to find where versions are installed, and doesn't have an independent PATH-like variable for allowing multiple search paths for versions. C:\MyVEplayground. Thanks so much for forking and supporting this project, this is really awesome! ️ Describe the bug Pyenv is not able to download the install versions of python behind a corporate proxy server. で導入できているかチェックしましょう。. Proof: set your global pyenv pyenv global 3. pyenv and shell configurations. # use pyenv to execute the current python which calls pip for this version. pyenv local [version]: 在當前目錄下設置 Python版本,這只對當前目錄及其子目錄有效. 完成後在前面應該可以看到(name_of_venv)這樣的字樣,要離開的話: $ pyenv deactivate. pyenv --version. 6を使ったり、3. 4; Open a git bash terminal then type pyenv shell 3. 8. Desktop. 9 and check your alias which python. Apr 22, 2022 · pyenv とは、pythonのバージョン管理システムです。 プロジェクトごとに、3. Step 1: Install pyenv. (訳:pyenv はシンプルな Python のバージョン管理ツールであり、Python の複数のバージョンを簡単に切り替えることができる。) インストール Jan 8, 2024 · windowsで行ってます。 pyenvとvirtualenvの説明. pyenv local 3. 9. Next, create the virtual environment. Pyenv will now automatically use this version when you enter the project Aug 23, 2018 · In windows: Add the following code to activate. Oct 30, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. bashrc and delete all virtualenv and virtualenvwrapper. Fix #318: pyenv global and pyenv local no longer affect PYENV_VERSION, which only pyenv shell pyenv for Windows. 他の導入方法では環境変数を手動設定する必要がありますが、chocolateyを使用した場合は自動で設定してくれます。. pyenv virtualenv 3. 11? Mar 8, 2021 · pyenv got installed successfully. Open pyCharm (v2018. You signed out in another tab or window. It can be done like this: curl https://pyenv. Jan 26, 2024 · blog. How to uninstall pyenv-win? I already remove it from environment path, but it still use pyenv-win Oct 10, 2023 · You signed in with another tab or window. #Some useful pyenv commands are: # commands List all available pyenv commands # duplicate Creates a duplicate python environment # local Set or show OS: Windows 10; Tools used powershell; Version 2. exe on Windows. pyenv local changes the Python version only for the current folder and all the subfolders. For installing pyenv on Windows, pyenv-win is the recommended package. 1 used): Create New Project > Existing Interpreter Retried with 3. python. Notice it is still 3. 7. To make things less confusing, just create the virtual environment using the regular venv function that is build into Python. $ python --version Python 3. 3. 3 (set by C:\Users\Esc\. pyenv. Aug 15, 2021 · 首先關閉作用中的 terminal ( PowerShell & cmd ),重新開啟 terminal。. pyenv exec python -m pip --version. Dec 19, 2023 · 在 pyenv中, global、local和 shell這三個命令都可以用來切換 Python版本,但它們的作用範圍有所不同: pyenv global [version]: 設置全局 Python版本,「當前使用者」的所有 shell都有效. Installing pyenv on Windows. yusen_ran Sep 22, 2019 · The problem is that the python version that gets run in the virtual environment doesn't have access to all of anaconda's packages: (datsci) SamLee-PC:datsci max$ anaconda-navigator. Mar 9, 2013 · $ pyenv install --verbose 3. pyenv virtualenv ENV_NAME 가상환경 실행. I have verified that pyenv is set as part of the environment: Feb 27, 2023 · Python の環境構築にはいくつか方法がありますが、今回は pyenv + venv による Python の環境構築方法について説明します。動作確認環境:Windows 10Python がすでにインストールされていることが前提です。 step 1: delete virtualenv virtualenvwrapper by copy and paste the following command below: $ sudo pip uninstall virtualenv virtualenvwrapper. May 6, 2022 · Pyenv 是一個 Python 版本控制的套件,安裝好後可以輕鬆切換 Python 版本,如果你有 Python 版本切換的困擾的話,那 Pyenv 絕對是你的好幫手!本篇從 Pyenv 安裝 (Mac,Windows,Linux) 教學,到 Python 版本切換都有詳細介紹。 如何安裝 Pyenv? 1. Mac 安裝 Pyenv 更新 Homebrew,和安裝 Pyenv 的相依套件 利用 Homebrew 在 Mac Apr 19, 2023 · I am trying to uninstall this python version 3. Use the built-in ssh-keygen to generate SSH keys and connect to your GitHub account. You switched accounts on another tab or window. 33. 1と3. step 2: go to . eval "$(pyenv init --path)" pyenv の初期化スクリプトを実行して、pyenv が管理する Python バージョンを利用できるよう May 27, 2023 · I installed pyenv for Windows a couple of weeks ago. The `anaconda-navigator' command exists in these Python versions: anaconda3-2019. just be consistent. pyenv」という隠しファイルで作成 Nov 8, 2019 · Selecting virtual environment in VS code But pip is only for Python packages… Although pip is mainly targeted to installing Python packages, it can also install software in other languages. Follow and finish the installation. 個人的に環境としてはpyenv + poetryが快適。. pyenv: anaconda-navigator: command not found. mkdir MyVEplayground. 6. Aug 10, 2021 · pyenvとvenvといった仮想環境を作成できる機能を利用し、複数のPython環境を管理する方法についてご紹介します。. 1 pyenv-winの導入(pip) pywnv-winはpythonライブラリなので、pipコマンドで導入可能です。 Mar 3, 2022 · WSLではなく直接WindowsにPythonの環境を構築するときの備忘録. pyenv lets you easily switch between multiple versions of Python on UNIX/MacOS and Windows. 以下のコードを追記してください。. exe as expected. pyenv for Windows. I understood the business of "global"/"local" versions of Python. 您需要在安装过程中单击向导。. 9 $ cd. 10 is actually set and python -V should output Python 3. Verifique as versões disponíveis para instalar Nov 5, 2021 · Once there, make a new directory for where you want to play with virtual environments. 7 in our case. しかし、Windowsでpyenv-winを May 28, 2023 · pyenvを使うと、システム全体ではなく特定のプロジェクトだけで特定のPythonのバージョンを使用することができる。 pyenv-winはWindowsで動作するpyenvのフォークのことを指している。元のpyenvはLinuxとmacOSを対象にしているが、pyenv-winはそれをWindowsでも使えるよう Note: It is best to uninstall affected versions (3. Now that you’ve installed Pyenv, you can install specific Python versions by running the pyenv install command Sep 25, 2021 · This video will show you how to install and run different Python versions on Windows 10/11 using pyenv. It lets you switch between multiple versions of Python and manage virtual envs with pyenv-win-venv. In the command prompt, ensure your virtual environment is active, and execute the following command: \> py -m pip install Django. 9: command not found A workaround I found was to set the python version, check, then set it back to system: 1. Installing pyenv in WSL and setting the correct path should help. (datsci) SamLee-PC:datsci max$. To make sure the version was installed, check it with: pyenv versions. a pyenv plugin to manage virtualenv (a. pyenv-virtualenvwrapper Feb 24, 2024 · pyenv global 3. pyenv-virtualenvwrapper is a pyenv plugin which provides a pyenv virtualenvwrapper command to manage your virtualenvs with virtualenvwrapper. Así que quédate para verlo! ===== Sep 26, 2021 · Git 2. How to activate a pyenv-venv environment? 1. Dec 12, 2020 · I have found nothing on this when googling and have no idea what is going on. That's exactly what you want for your project - you want to use a Feb 25, 2024 · To set a global Python version, run. Jul 25, 2023 · Run pyenv global 3. Pyenv for Windows is a fork of pyenv, a simple python version management tool. 要安装 python 版本: pyenv install 3. 1 projectName-3. By following the steps in this article, you should now have a working Pyenv installation on your Windows system. Install the Visual Studio Code Python plugin. We have ported it to Windows. cd myproject. 12. 切換python版本 Nov 28, 2022 · pyenv exec python -m venv . 3 that i installed using pyenv on Windows 10 : pyenv versions * 3. pyenv-virtualenv. Follow the steps to add system settings and validate the installation with pyenv commands. # zsh の場合 vi ~/. 8 globally instead of previously-installed 3. 설치. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. これにより、異なるプロジェクトで異なるPythonのバージョンを使用する際の複雑さが大幅に軽減されます。. cfg before each run. 2 Conclusion. python-virtualenv) Shell 6,053 MIT 391 91 5 Updated on Apr 9. 9: command not found $ pyenv which Python-3. Jul 6, 2016 · From the docs: pyenv lets you easily switch between multiple versions of Python. md at master · pyenv-win/pyenv-win The Python interpreter available as python3 on macOS and Linux, or python. If a --python-version is provided to pip compile (e. Jul 20, 2022 · pyenv-win is a port of pyenv, a tool to manage multiple Python versions on Windows. python. 6: Running pyenv which python returns C:\Users\Haydn\. Learn how to install, use and update pyenv-win with different methods and commands. 11. 9 pyenv: Python-3. Installing Python Versions with Pyenv . Jan 23, 2022 · 3. pyenv is a simple python version management tool. pyenv shell Apr 15, 2020 · Just adding that I too have the same issue as described above. The -m venv . All this is done on *NIX-style machines (Linux and OS X Get pyenv-virtualenv plugin for more project-specialized environments. Shell 0 1 0 0 Updated on Jan 3. va op lr ji tz ch xa lm lo tc