1"""
2Improve the Python REPL.
3
4Inspired by this tweet by @nedbat:
5https://twitter.com/nedbat/status/817827164443840512
6
7Features:
8
9*   Use pprint() by default.
10    https://gist.github.com/chekunkov/848c3472d4b0bee69bccd2e77907a590
11*   Tab completion
12    https://github.com/patrik-johansson/dotfiles/blob/master/.pythonstartup
13
14"""
15
16import pprint
17import readline
18import sys
19
20
21def displayhook_pprint(o):
22    """Display hook powered by pprint.
23    https://www.python.org/dev/peps/pep-0217/
24    """
25    if o is None:
26        return
27    if sys.version_info[0] == 2:
28        import __builtin__ as builtins
29    else:
30        import builtins
31    # Set '_' to None to avoid recursion
32    # https://docs.python.org/3/library/sys.html#sys.displayhook
33    builtins._ = None
34    pprint.pprint(o)
35    builtins._ = o
36
37
38sys.displayhook = displayhook_pprint
39
40readline.parse_and_bind("tab: complete")