#!/usr/bin/env python

import sys
import os
import os.path
import glob
from optparse import OptionParser

from petl import VERSION
from petl.fluent import *

parser = OptionParser(
    usage="%prog [options] expression",
    description="Evaluate a Python expression.  The expression will be "
                "evaluated using eval(), with petl.fluent functions imported.",
    version=VERSION)

options, args = parser.parse_args()

try:
    (expression,) = args
except ValueError:
    parser.error("invalid number of arguments (%s)" % len(args))
r = eval(expression)

if r is not None:
    if isinstance(r, FluentWrapper):
        print look(r)
    else:
        print str(r)
