#!/usr/bin/python3
# -*- coding: utf-8 -*-

import sys
import argparse
from pyquery import PyQuery as pq
from lxml import etree

# Setting argparse
parser = argparse.ArgumentParser()
# jQuery expression
parser.add_argument("expression", help="jQuery expression to apply")
# HTML output param
parser.add_argument("--html", help="Set the output as html instead of plain text", action="store_true")
# get specific attribute
parser.add_argument("-a", "--attr", help="Get specified attribute instead of text")

args = parser.parse_args()

############################################################
# READING STDIN
lines = sys.stdin.read()
############################################################

# If not input exit
if not lines:
    print('No input stream')
    sys.exit(0)

# Setting pyquery object
d = pq(lines)


# Find Corresponding element
items = d(args.expression)

#Browsing items
for i in range(len(items)):
    item = items.eq(i)
    result = ''
    if item.is_('input'):
        result = item.val()
    else:
        if args.html:
            result = item.html()
        elif args.attr:
            result = item.attr(args.attr)
        else:
            result = item.text()
    if result is not None:
        try:
            print(result)
        except:
            print('Cannot print unicode content, try setting PYTHONIOENCODING to utf-8 using')
            print('export PYTHONIOENCODING=utf-8 and retry')