How to run the current Python file in a new terminal from Sublime Text?

To make the current Python file run through a new terminal window in Sublime Text, you need to create a custom build system: 1. Select Tools → Compile System → Create a New Compilation System, and paste the JSON configuration of the corresponding operating system; 2. Select the commands according to the operating system (macOS uses osascript to call Terminal or iTerm2, Linux uses gnome-terminal, etc., Windows uses start cmd or PowerShell); 3. Save as Python-Terminal.sublime-build and select the compilation system; 4. Press Ctrl B (or Cmd B) to run, the terminal will execute the script and keep it open to view the output, and finally complete the entire execution process.

To run the current Python file in a new terminal from Sublime Text, you need to customize a build system that opens a new terminal window and executes the Python script. Here's how to set it up depending on your operating system.

1. Create a Custom Build System

Go to Tools > Build System > New Build System… in Sublime Text. This will open a new file where you can define the build configuration.

For macOS (using Terminal.app or iTerm2)

 {
    "cmd": ["osascript", "-e", "tell app \"Terminal\" to do script \"python3 '$file'; read -p 'Press Enter to exit...'\""],
    "selector": "source.python",
    "shell": true,
    "working_dir": "$file_path"
}

If you're using iTerm2 instead of Terminal, replace "Terminal" with "iTerm" and adjust the command accordingly.

Example for iTerm2:

 {
    "cmd": ["osascript", "-e", "tell app \"iTerm\" to create window with default profile command \"python3 '$file'; read -p 'Press Enter to exit...'\""],
    "selector": "source.python",
    "shell": true,
    "working_dir": "$file_path"
}

Save this as Python-Terminal.sublime-build .

For Linux (using gnome-terminal or xterm)

 {
    "cmd": ["gnome-terminal", "--", "bash", "-c", "python3 '$file'; read -p 'Press Enter to exit...'"],
    "selector": "source.python",
    "shell": true,
    "working_dir": "$file_path"
}

Replace gnome-terminal with xterm or konsole if you're using a different terminal emulator.

Save this as Python-Terminal.sublime-build .

For Windows (using Command Prompt or PowerShell)

Using Command Prompt:

 {
    "cmd": ["start", "cmd", "/k", "python", "$file"],
    "shell": true,
    "working_dir": "$file_path",
    "selector": "source.python"
}

Using PowerShell:

 {
    "cmd": ["start", "powershell", "-NoExit", "-Command", "python '$file'"],
    "shell": true,
    "working_dir": "$file_path",
    "selector": "source.python"
}

Save the file appropriately and choose the build system via Tools > Build System .

2. Use the Build System

After saving the .sublime-build file:

• Select it from Tools > Build System .
• Press Ctrl B (or Cmd B on macOS) to run the current Python file in a new terminal window.

The script will execute, and the terminal will remain open (thanks to read or /k ) so you can see the output.

Notes

• Make sure python or python3 is in your system's PATH.
• The $file variable expands to the full path of the current file.
• working_dir ensures the script runs in the correct directory.
• On macOS and Linux, read -p keeps the terminal open until you press Enter.
• On Windows, /k does the same for cmd .

Basically, just save the right build config for your OS, select it, and use Build ( Ctrl B ). It's not hard once set up, but small syntax errors in the JSON or command can break it — double-check the commas and quotes.

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