Archives For python 3.8

PyCharm IDE

PyCharm 2019.2 was released today with exciting new features, initial Python 3.8 support, improved Jupyter Notebook experience, and many more other changes.

PyCharm 2019.2 release highlights:

  • Improved Jupyter Notebook integration. Some of the most requested features have been implemented.
  • Syntax highlight support for many other languages, C#, C++, Groovy, Lua, Makefiles, and more.
  • cURL format is now supported for HTTP requests.
  • Add support for some major Python 3.8 features.
  • Full-text search across multiple data sources
  • Improved debugging and variable refactoring experiences.
  • For more details, see the release note.

How to Install PyCharm 2019.2 in Ubuntu:

Jetbrains offers official Snap package for Linux desktop, which keeps the IDE always up-to-date.

For Ubuntu 18.04 and higher, simply open Ubuntu Software, search for and install pycharm packages:

For Ubuntu 16.04, open terminal (Ctrl+Alt+T) and install snapd daemon via command:

sudo apt install snapd snapd-xdg-open

Then install PyCharm snap package via command:

sudo snap install pycharm-community --classic

In the command replace pycharm-community with pycharm-professional for the professional edition.

Uninstall:

To remove the PyCharm snap package, either use Ubuntu Software or run command in terminal:

sudo snap remove pycharm-professional pycharm-community

The second Beta of the latest Python 3.8 was released a few days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 16.04 via PPA.

Python 3.8 new features so far include:

  • New syntax (the “walrus operator”, :=) to assign values to variables as part of an expression.
  • new syntax (/) to indicate that some function parameters must be specified positionally
  • Parallel filesystem cache for compiled bytecode files
  • Debug build uses the same ABI as release build
  • f-strings now support = for quick and easy debugging
  • new C API to configure the Python Initialization
  • Added the “vectorcall” protocol to the Python/C API.
  • Pickle protocol 5 with out-of-band data buffers

How to Install Python 3.8 in Ubuntu:

The deadsnakes team PPA is maintaining most recent packages for current two Ubuntu 16.04 and Ubuntu 18.04 LTS.

Disclaimer: If you want to use the package in a security-or-otherwise-critical environment (say, on a production server) , you do so at your own risk!

1. Open terminal (Ctrl+Alt+T) and run command to add the PPA:

sudo add-apt-repository ppa:deadsnakes/ppa

Type user password when it prompts and hit Enter to continue.

2. Then check updates and install Python 3.8 via 2 commands:

sudo apt update

sudo apt install python3.8

Once installed, check via command python3.8 --version

Uninstall:

You can run command in terminal to purge the PPA which also remove the installed 3.8 packages:

sudo apt install ppa-purge && sudo ppa-purge ppa:deadsnakes/ppa