#!/usr/bin/env python
# pyrepl --- interactive python interpreter with easier to read output

# Author: Noah Friedman <friedman@splode.com>
# Created: 2018-09-05
# Public domain

# $Id: pyrepl,v 1.2 2018/11/21 02:24:30 friedman Exp $

# Commentary:
# Code:

from   __future__ import print_function

import sys
import platform
import code
import subprocess
import pprint

repl_pp = pprint.PrettyPrinter( indent=2, width=40 )
def pp( *args, **kwargs ):
    for arg in args:
        repl_pp.pprint( arg, **kwargs )

def bt( cmd ):
    return subprocess.check_output( [cmd] ).rstrip( ' \t\r\n' )

if __name__ == '__main__':
    # Don't display 'None' if there is nothing to display.
    sys.displayhook = lambda arg: (arg is None) or pp( arg )

    banner = '{} {}.{}.{} [{}] {}-{}'.format(
        platform.python_implementation(),
        sys.version_info.major,
        sys.version_info.minor,
        sys.version_info.micro,
        platform.python_build()[1],
        sys.platform,
        platform.machine(), )
    exitmsg = ''

    # non-builtin symbols to be present at start in the repl
    local = { 'bt' : bt, }

    try:               # python3
        code.interact( local=local, banner=banner, exitmsg=exitmsg )
    except TypeError:  # python2
        code.interact( local=local, banner=banner )

# eof