(CkPython) Banco Inter OAuth2 Client Credentials

Generate an OAuth2 access token needed to consume the Inter APIs.

For more information, see https://developers.bancointer.com.br/reference/token-3

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

http = chilkat.CkHttp()

# First load the certificate and private key, and set as the HTTP object's client certificate.
cert = chilkat.CkCert()
success = cert.LoadFromFile("<nome arquivo certificado>.crt")
if (success == False):
    print(cert.lastErrorText())
    sys.exit()

bdPrivKey = chilkat.CkBinData()
success = bdPrivKey.LoadFile("<nome arquivo chave privada>.key")
if (success == False):
    print("Failed to load <nome")
    sys.exit()

privKey = chilkat.CkPrivateKey()
success = privKey.LoadAnyFormat(bdPrivKey,"")
if (success == False):
    print(privKey.lastErrorText())
    sys.exit()

success = cert.SetPrivateKey(privKey)
if (success == False):
    print(cert.lastErrorText())
    sys.exit()

success = http.SetSslClientCert(cert)
if (success == False):
    print(http.lastErrorText())
    sys.exit()

req = chilkat.CkHttpRequest()
req.put_HttpVerb("POST")
req.put_Path("/oauth/v2/token")
req.put_ContentType("application/x-www-form-urlencoded")
req.AddParam("grant_type","client_credentials")
# Requested scopes in OAuth2 are typically SPACE separated.
req.AddParam("scope","boleto-cobranca.read boleto-cobranca.write")
req.AddHeader("accept","application/json")

# resp is a CkHttpResponse
resp = http.PostUrlEncoded("https://cdpj.partners.bancointer.com.br/oauth/v2/token",req)
if (http.get_LastMethodSuccess() == False):
    print(http.lastErrorText())
    sys.exit()

jResp = chilkat.CkJsonObject()
resp.GetBodyJson(jResp)
jResp.put_EmitCompact(False)

print("Response Body:")
print(jResp.emit())

respStatusCode = resp.get_StatusCode()
print("Response Status Code = " + str(respStatusCode))
if (respStatusCode >= 400):
    print("Response Header:")
    print(resp.header())
    print("Failed.")

    sys.exit()

success = jResp.WriteFile("qa_data/tokens/banco_inter_client_credentials.json")
if (success == False):
    print("Failed to save JSON access token file.")
    sys.exit()

print("Success.")