Created
September 28, 2020 13:34
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Alguém tem curiosidade de saber como baixar os dados históricos da B3 automaticamente
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import os | |
from multiprocessing import Pool, cpu_count | |
import urllib.request | |
urlbasepath='http://bvmf.bmfbovespa.com.br/InstDados/SerHist/COTAHIST_A' | |
ext='.zip' | |
# não dá pra usar os cores pois os downlads dependem da sua banda | |
multiplier=2 | |
# troca pelo path que você preferir ex: c:/ | |
destinationPath = os.path.dirname(os.path.abspath(__file__))+'/downloads/' | |
print("destino dos arquivos: %s " % destinationPath) | |
urls=[urlbasepath+str(i)+ext for i in range(1986,2019)] | |
def download_zips(url): | |
file_name = url.split("/")[-1] | |
print("\n iniciando download {} ".format(file_name)) | |
urllib.request.urlretrieve(url, destinationPath+file_name) | |
print("\n Download {} finalizado".format(file_name)) | |
if __name__ == "__main__": | |
pool = Pool(cpu_count()*multiplier) | |
results = pool.map(download_zips, urls) | |
pool.close() | |
pool.join() |
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