run python script in debug mode from terminal
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Debugging is a crucial part of the software development process, and Python provides a powerful debugger called pdb for this purpose. In this tutorial, we'll explore how to run a Python script in debug mode from the terminal using pdb.
Before diving into the debugger, it's a good practice to insert breakpoints or debugging statements in your Python script. These statements will act as points where the debugger will pause execution, allowing you to inspect variables and control flow.
In the example above, the breakpoint() function is a convenient way to insert a breakpoint without explicitly importing the pdb module. This line will pause the execution of the script and launch the debugger when it's reached.
Open your terminal or command prompt where you want to run the Python script in debug mode.
To run your script in debug mode, use the following command:
Replace script.py with the name of your Python script.
Once the script is running in debug mode, the pdb debugger will be activated, and you'll see a prompt like (Pdb).
Basic Commands:
Inspecting Variables:
Setting Breakpoints:
Exiting the Debugger:
Here's an example of a debugger session:
In this example, the script is continued until the breakpoint is encountered. The debugger prompt allows you to inspect variables and control the script's execution.
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