.pythonrc

# ~/.pythonrc
# enable syntax completion
from __future__ import print_function
import sys

try:
    from ptpython.repl import embed
except ImportError:
    try:
        from jedi.utils import setup_readline

        setup_readline()
    except ImportError:
        # Fallback to the stdlib readline completer if it is installed.
        # Taken from http://docs.python.org/2/library/rlcompleter.html
        print("Jedi is not installed, falling back to readline")
        try:
            import readline
            import rlcompleter  # NOQA: 40

            readline.parse_and_bind("tab: complete")
        except ImportError:
            print(
                "Readline is not installed either. No tab completion is enabled.",
            )
else:
    print("ptpython is not available: falling back to standard prompt")
    sys.exit(embed(globals(), locals()))