classtree

This is a simple program that prints a tree of classes in a Python module.

Example:

$ python3.4 classtree.py builtins OSError
OSError
├── BlockingIOError
├── ChildProcessError
├── ConnectionError
│   ├── BrokenPipeError
│   ├── ConnectionAbortedError
│   ├── ConnectionRefusedError
│   └── ConnectionResetError
├── FileExistsError
├── FileNotFoundError
├── InterruptedError
├── IsADirectoryError
├── NotADirectoryError
├── PermissionError
├── ProcessLookupError
└── TimeoutError