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@Rodrigora Rodrigora/bovespa.py forked from turicas/bovespa.py
Created Feb 8, 2019

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Get stock prices from BMF Bovespa API
# coding: utf-8
# Copyright 2015 Álvaro Justen <https://github.com/turicas/rows/>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# requirements:
# pip install requests
# Other useful URLs:
# http://www.bmfbovespa.com.br/cotacoes2000/FormConsultaCotacoes.asp?strListaCodigos=BBPO11|PETR4
# http://www.bmfbovespa.com.br/Pregao-Online/ExecutaAcaoAjax.asp?CodigoPapel=BBPO11|PETR4
# http://www.bmfbovespa.com.br/cotacoes2000/formCotacoesMobile.asp?codsocemi=BBPO11
import datetime
from collections import namedtuple
from decimal import Decimal
import requests
URL = 'http://www.bmfbovespa.com.br/Pregao-Online/executaacaocarregardadosPapeis.asp?CodDado={symbol}'
MONTHS = {'Jan': '01', 'Fev': '02', 'Mar': '03', 'Abr': '04', 'Mai': '05',
'Jun': '06', 'Jul': '07', 'Ago': '08', 'Set': '09', 'Out': '10',
'Nov': '11', 'Dez': '12',}
StockQuote = namedtuple('StockQuote', ['timestamp', 'price', 'oscilation'])
def create_date(date, time):
year, month, day = date.split('/')
month = MONTHS[month]
hour, minute, second = time.split(':')
return datetime.datetime(int(year), int(month), int(day), int(hour),
int(minute), int(second))
def create_stock_quote(date, value):
return StockQuote(create_date(date, value[0]),
Decimal(value[1]),
Decimal(value[2]))
def parse_intraday_data(data):
"""Parse BMF API data into a list of `StockQuote` objects"""
data_dict = dict([x.split('=') for x in data.split('&')])
date = data_dict['D']
values = [value.split('@') for value in data_dict['V'].split('|') if value]
return [create_stock_quote(date, value) for value in values]
def get_quote(symbol):
"""Get data from BMF Bovespa API (used by its Android app)"""
response = requests.get(URL.format(symbol=symbol))
return parse_intraday_data(response.content)
def test_parse_intraday_data():
data = 'D=2015/Mai/28&V=10:00:00@103.15@-0.02|16:47:04@103@-0.17|&CE=0&ME='
expected_response = [
StockQuote(timestamp=datetime.datetime(2015, 5, 28, 10, 0, 0),
price=Decimal('103.15'),
oscilation=Decimal('-0.02')),
StockQuote(timestamp=datetime.datetime(2015, 5, 28, 16, 47, 04),
price=Decimal('103.0'),
oscilation=Decimal('-0.17')), ]
assert parse_intraday_data(data) == expected_response
if __name__ == '__main__':
print 'Quotes for BBPO11 today:'
for quote in get_quote('BBPO11'):
print ' {} {}'.format(quote.timestamp, quote.price)
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