excinfo

excinfo is a Python module that provides a way to capture and access exception information. When an exception occurs in Python, an exception object is created. The excinfo module allows developers to retrieve details about this exception, such as its type, value, and traceback. This information is crucial for debugging and understanding the flow of execution that led to the error.

The primary function within the excinfo module is typically used to capture the current exception information. This captured information can then be stored, inspected, or re-raised. The module is often employed in error handling routines, logging mechanisms, and debugging tools. By understanding the context of an exception, developers can more effectively identify the root cause of a problem and implement appropriate solutions.

The traceback, in particular, provides a sequence of calls that led to the exception. This is invaluable for pinpointing the exact line of code where the error originated. The excinfo module standardizes the way this exception data is accessed, making it easier to work with across different parts of an application or in various debugging scenarios. While not a built-in function of the core Python language in the same way as `try` or `except`, modules like `excinfo` often extend or provide alternative interfaces for interacting with Python's exception handling system.