cvmweb is a client for the CVM http://www.cvm.gov.br webservices of funds information.
import cvmweb
username = xxxx
password = ****
service = cvmweb.CVMWebService(username, password)
data = service.get_data("INFORME_DIARIO")
print(data.xml)<ROOT><CABECALHO><DT_REFER>2018-02-17</DT_REFER><DT_GERAC>2018-02-18 03:03:45</DT_GERAC><TP_REFER>DtEntregaDoc</TP_REFER></CABECALHO>...