Also note that the system Python version in the examples is 2.7.12.Ġ1:50 Let’s have a look in the next lesson where pyenv actually installed Python 3.9.1. The -v flag is added so pyenv will show what it is doing.Ġ1:16 Installing a version might take awhile because pyenv is building from source, but I have fast-forwarded so you don’t have to wait until the installation is finished.Ġ1:30 For the rest of the course, the examples assume you’ve installed CPython version 3.9.1, but you’re free to substitute these values for the Python versions you actually installed.
Pyscript is now based on pyodide, a port of CPython to web assembly/Emscripten project. This means you can write and run Python code in HTML, use pyscript to invoke javascript libraries, and use Python for any web development. And if you would like to know which versions of Jython can be installed by pyenv, you can figure that out just as easy by typing pyenv install -list | grep "jython".Ġ0:57 Once you’ve figured out which version you want, you can install it with a single command, pyenv install -v 3.9.1. Pyscript, developed by the Anaconda Team, is a system for interleaving python in HTML. Environment variables are one of the key ways software developers provide an application with this kind of information, however running and testing an application locally that is dependent on environment variables can be a hassle if you are setting those variables on your local machine's environment. You have many versions of Python to choose from and to see all available Python versions, you can run the command pyenv install -list.Ġ0:19 This is a very long list that might be tough to scroll through, so let’s use the power of grep to see all available CPython versions for version 3.8 and 3.9.Ġ0:33 Let’s type pyenv install -list | grep with a certain filter. 00:00 Now that you’ve installed pyenv, installing a specific version of Python is the next step.
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