Python is an object-oriented programming language used for web development, machine learning, and automation tasks. It comes in different versions that differ in compatibility, support lifecycle, performance, security, and features.
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The primary Python branches are Python 2 and Python 3, and each has several versions. The latest version at the time this article was written was Python 3.12.1. Python 2's final version is 2.7, which reached its end of life on January 1, 2020.
Python 2 is no longer supported, and users are strongly encouraged to migrate their code to Python 3 to ensure ongoing support and compatibility with the latest features and improvements.
Python 2.7 and 3.7 are different applications. Software written in one version often does not work correctly in another version. When using Python, it is essential to know which version an application requires and which version you have.
Since most Linux versions now use Python 3 by default, we use python3 in the command syntax. However, if you still use Python 2 for some applications, omit 3 from the command to check which Python 2 version you have installed.
When writing an application, include a mechanism that checks the Python version before execution, as this helps prevent crashes and resolve potential incompatibilities. Follow the steps below to create a Python script that checks the program version:
For those using the custom title bar (the default on Windows, macOS, and the web), you may have noticed that we are introducing more interactive content to the title bar. While there are already settings to hide each of these elements individually, you can now right-click the title bar to access a context menu that toggles the menu bar (not shown on macOS desktop), Command Center, and layout controls.
For Windows users expecting the system context menu, the menu can still be triggered by right-clicking the VS Code icon in the top left corner of the window or by pressing Alt+Space. Mouse position is used to determine the behavior when triggering with Alt+Space, so the custom menu will appear if it sits on top of the title bar.
With the addition of the Command Center, we tried shrinking the menu bar to a hamburger menu to make space. After hearing user feedback, we switched back to the old menu bar folding behavior until most of the menu is collapsed, and only then switch to the hamburger menu.
Also as part of improving the Command Center experience, when interactive components are present in the title bar on macOS, the title bar will now zoom with the rest of the UI for increased accessibility.
VS Code now keeps folded ranges, even if the folding range is no longer part of the ranges computed by a folding provider. A typical example is when the user comments out the file, starts a string literal, or creates a syntax error that makes it impossible to create all the ranges. Such folded ranges become 'recovered' ranges. They are removed once the folding provider comes back with ranges at the same location or by using the command Remove Manual Folding Ranges.
The folding controls in the gutter can now be hidden with the setting "editor.showFoldingControls": "never". Folding ranges can still be expanded and collapsed using the folding commands and shortcuts.
We also started exploring alternative diffing algorithms to improve precision of merge conflicts. If you encounter suboptimal change highlighting or alignment in either the diff or the merge editor, we would like to record these cases in our GitHub issue tracker!
Search results in the Search view now feature file decorations and colors on the right to express the file's problems and source control information. This is similar to the file decorations already shown in the File Explorer.
Shell integration's automatic injection that was moved out of preview last release is now enabled by default. For supported shell setups (most bash/zsh/pwsh configurations), it should all just work without any changes and you should see command decorations:
This will disable only VS Code's shell integration injection. Even when disabled, if your setup has shell integration enabled for some other terminal that VS Code understands, it will still pick those up. If you don't like the command and/or scroll bar decorations, you can disable just their display, while still taking advantage of the extra functionality that shell integration brings.
Previously manual install took several steps and was platform and shell specific. The new manual install uses the code CLI to fetch the shell integration script and works cross-platform and when connected to a remote window, meaning you can sync it in your dotfiles and it should just work.
The new setting terminal.integrated.shellIntegration.decorationsEnabled lets you display command decorations in either the gutter, the overviewRuler, or neither. For easy access, you can modify this setting via Configure Command Decorations in a context menu when you click on a decoration (select Toggle visibility to display the options dropdown).
There are additional PowerShell keybindings, such as Ctrl+Space, thanks to shell integration. These weren't possible before due to the lack of VT encoding. Provided that shell integration is working in pwsh, the following keybindings should now work:
This applies to all platforms, even Linux/macOS where those keybindings aren't normally possible. The defaults can always be reset in your pwsh profile with Set-PSReadLineKeyHandler. If there are additional keybindings that you expect, please let us know.
When shell integration is enabled, we're aiming run recent command to be a cross-shell drop in replacement for the shell's reverse search (Ctrl+R). There is a new contiguous search mode that is the default when triggering the command. This behaves like Ctrl+R in most shells, with the option of switching back to fuzzy search:
The new inTerminalRunCommandPicker context key is available that allows setting up a keybinding like Ctrl+R to go to the next match. For example, the following keybindings are now a fairly complete replacement for your shell's reverse search, with Ctrl+Alt+R as a fallback to the old behavior:
Multi-line commands now display a new line symbol where appropriate and will also use bracketed paste mode, meaning they are treated as if they were pasted for supporting shells. This typically means they will all be added to the same prompt instead of executing them separately.
Semi-circle Powerline symbols are now custom rendered. Like the arrow symbols in the previous release, these should blend seamlessly with adjacent cells and extend to the height of the cell even when line height is used.
Similar to the clipping problem above, there was an issue where the anti-aliasing in some glyphs would overlap other characters and degrade the visuals. This problem is most easily illustrated using a background example like above. A pixel in the k of Work could also escape the bounds of the cell in the other direction. This pixel will no longer appear in the glyph at all since it's removed for being nearly the same color as the background.
This milestone we addressed some smaller issues in the rebase flow when resolving merge conflicts. Users should now be able to continue the rebase operation using the Commit button in the Source Control view after resolving all merge conflicts.
This milestone we confirmed that all the necessary extension APIs are available to support spell checking in the commit input field. We reached out to the authors of two popular spell checking extensions and submitted pull requests illustrating how to update their extensions to provide spell checking for commit description text.
When you create a launch config to debug a JavaScript/TypeScript program, you can set "console": "integratedTerminal" to run that program in a terminal (rather than the process being spawned directly). A few months ago, we noticed that "args" in the launch.json configuration were partly escaped for the shell, but not entirely. This meant that attempting to pass an argument to your program could accidentally trigger special behavior in your shell. We cleaned this up, then realized that setting arguments that include characters with special meanings for the shell is a useful thing to do, and that some users were relying on this behavior.
We debated the correct fix and decided that this behavior should be opt-in, and that changes to the Debug Adapter Protocol (DAP) were required. We made this change to DAP, implemented it in VS Code and in js-debug, and other debug adapters should be soon to follow.
When debugging, you can now run Debug: Select Debug Session in the Command Palette. This shows a picker with your active debug sessions, which you can use to search and filter your individual debug sessions. The description for each picker item will show the session that spawned it, if applicable.
Selecting an item in the picker will focus the debug session in the Call Stack view. Debug actions (for example, Pause, Step, Restart, Stop) will be performed on the focused debug session. Selecting a session also shows the session's Debug Console.
The Trusted Workspace feature allows VS Code to simplify the flow for running automatic tasks. By default, automatic tasks will run if a folder is trusted and you'll be prompt once per folder otherwise. This behavior can be configured with the task.allowAutomaticTasks setting (default auto) to always (on) or never (off) prompt before running an automatic task.
You can now keep the initial line position when formatting a line in a JSON documents. For example, an array containing values on one line will still keep these values on the same line after formatting. Extra line breaks (newlines) in JSON files are also preserved. To enable this feature, set the option JSON > Format: Keep Lines in the Setting editor.
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