Get the price of the first result from a MercadoLivre website search

ml_price.py

#!/usr/bin/env python

"""
Get the price of the first result from a MercadoLivre website search.
"""

import argparse
import re
import urllib.request as req

__author__ = 'Thiago Cavalcante'

DESC = 'Get the price of the first result from a MercadoLivre website search.'
TAG = ('<span class="price__fraction">([0-9.]+)</span> ' +
       '<span class="price__decimals">([0-9]+)</span>' +
       '|<span class="price__fraction">([0-9.]+)</span></div>')

parser = argparse.ArgumentParser(description=DESC)
parser.add_argument('-t', '--term', help='Search term', required=True)
args = parser.parse_args()

url = 'https://lista.mercadolivre.com.br/' + args.term.lower().replace(' ', '-')
src = str(req.urlopen(url).read())
prices = re.findall(TAG, src)
price = list(filter(None, list(prices[0])))

ending = ''
if len(price) == 1:
  ending = ',00'

price = ','.join(price) + ending

print('URL: ' + url)
print('Price: R$ ' + price)