Usando TLSv1 nas requisições.

cielo_webservice/adapter.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+import ssl
+
+from requests.adapters import HTTPAdapter
+from requests.packages.urllib3.poolmanager import PoolManager
+
+
+class TLSv1HttpAdapter(HTTPAdapter):
+    """"Transport adapter" that allows us to use TLSv1."""
+
+    def init_poolmanager(self, connections, maxsize, block=False):
+        self.poolmanager = PoolManager(
+            num_pools=connections,
+            maxsize=maxsize,
+            block=block,
+            ssl_version=ssl.PROTOCOL_TLSv1
+        )

cielo_webservice/request.py

@@ -10,6 +10,7 @@
     Cartao, Transacao, Comercial, Erro, xml_to_object
 )
 from cielo_webservice.exceptions import CieloRequestError
+from cielo_webservice.adapter import TLSv1HttpAdapter
 
 
 BASE_URL = 'https://ecommerce.cielo.com.br/servicos/ecommwsec.do'
@@ -28,6 +29,8 @@ def __init__(self, sandbox=False):
         if sandbox:
             self.base_url = SANDBOX_BASE_URL
         self.template_env = self.create_template_env()
+        self.session = requests.Session()
+        self.session.mount('https://', TLSv1HttpAdapter())
 
     def create_template_env(self):
         template_dirs = []
@@ -54,7 +57,7 @@ def autorizar(self, transacao):
         xml = self.render_template(
             'transacao.xml', id=str(uuid.uuid4()), transacao=transacao
         )
-        response = requests.post(self.base_url, data={'mensagem': xml})
+        response = self.session.post(self.base_url, data={'mensagem': xml})
         object_data = xml_to_object(response.text)
 
         if isinstance(object_data, Erro):
@@ -80,7 +83,7 @@ def capturar(self, tid=None, comercial=None, valor=None,
             'captura.xml', id=str(uuid.uuid4()), tid=tid, comercial=comercial,
             valor=valor, taxa_embarque=taxa_embarque
         )
-        response = requests.post(self.base_url, data={'mensagem': xml})
+        response = self.session.post(self.base_url, data={'mensagem': xml})
         object_data = xml_to_object(response.text)
 
         if isinstance(object_data, Erro):
@@ -104,7 +107,7 @@ def gerar_token(self, comercial=None, cartao=None):
             'token.xml', id=str(uuid.uuid4()), comercial=comercial,
             cartao=cartao
         )
-        response = requests.post(self.base_url, data={'mensagem': xml})
+        response = self.session.post(self.base_url, data={'mensagem': xml})
         object_data = xml_to_object(response.text)
 
         if isinstance(object_data, Erro):
@@ -129,7 +132,7 @@ def cancelar(self, tid=None, comercial=None, valor=None):
             'cancelamento.xml', id=str(uuid.uuid4()), tid=tid,
             comercial=comercial, valor=valor
         )
-        response = requests.post(self.base_url, data={'mensagem': xml})
+        response = self.session.post(self.base_url, data={'mensagem': xml})
         object_data = xml_to_object(response.text)
 
         if isinstance(object_data, Erro):

setup.py

@@ -3,7 +3,7 @@
 import cielo_webservice
 
 requires = [
-    'requests',
+    'requests>=2.9.1',
     'jinja2',
     'six',
     'xmltodict',

tests/test_request.py

@@ -86,7 +86,7 @@ def test_render_template(self):
             self.request.render_template('notfound.xml', id=str(uuid.uuid4()))
         assert 'notfound.xml' in str(excinfo.value)
 
-    @mock.patch('requests.post', autorizar_mocked_response)
+    @mock.patch('requests.Session.post', autorizar_mocked_response)
     def test_autorizar(self):
         with pytest.raises(TypeError) as excinfo:
             self.request.autorizar('transacao')
@@ -103,7 +103,7 @@ def test_autorizar(self):
             transacao.pan, 'IqVz7P9zaIgTYdU41HaW/OB/d7Idwttqwb2vaTt8MT0='
         )
 
-    @mock.patch('requests.post', erro_mocked_response)
+    @mock.patch('requests.Session.post', erro_mocked_response)
     def test_autorizar_com_erro(self):
         transacao = Transacao(
             comercial=self.comercial, cartao=self.cartao, pedido=self.pedido,
@@ -113,7 +113,7 @@ def test_autorizar_com_erro(self):
             self.request.autorizar(transacao)
         assert '000 - Mensagem' in str(excinfo.value)
 
-    @mock.patch('requests.post', autorizar_com_rejeicao_mocked_response)
+    @mock.patch('requests.Session.post', autorizar_com_rejeicao_mocked_response)
     def test_autorizar_com_rejeicao(self):
         self.pedido = Pedido(
             numero='1234', valor=553482920, moeda=986,
@@ -133,7 +133,7 @@ def test_autorizar_com_rejeicao(self):
             transacao.autorizacao.mensagem, 'Autorização negada'
         )
 
-    @mock.patch('requests.post', capturar_mocked_response)
+    @mock.patch('requests.Session.post', capturar_mocked_response)
     def test_capturar(self):
         with pytest.raises(TypeError) as excinfo:
             self.request.capturar(tid=1, comercial=self.comercial)
@@ -155,15 +155,15 @@ def test_capturar(self):
         self.assertTrue(isinstance(transacao, Transacao))
         self.assertTrue(isinstance(transacao.captura, Captura))
 
-    @mock.patch('requests.post', erro_mocked_response)
+    @mock.patch('requests.Session.post', erro_mocked_response)
     def test_capturar_com_erro(self):
         with pytest.raises(CieloRequestError) as excinfo:
             self.request.capturar(
                 tid='10069930694849051001', comercial=self.comercial
             )
         assert '000 - Mensagem' in str(excinfo.value)
 
-    @mock.patch('requests.post', token_mocked_response)
+    @mock.patch('requests.Session.post', token_mocked_response)
     def test_gerar_token(self):
         with pytest.raises(TypeError) as excinfo:
             self.request.gerar_token(comercial=1, cartao=self.cartao)
@@ -178,15 +178,15 @@ def test_gerar_token(self):
         )
         self.assertTrue(isinstance(token, Token))
 
-    @mock.patch('requests.post', erro_mocked_response)
+    @mock.patch('requests.Session.post', erro_mocked_response)
     def test_gerar_token_com_erro(self):
         with pytest.raises(CieloRequestError) as excinfo:
             self.request.gerar_token(
                 comercial=self.comercial, cartao=self.cartao
             )
         assert '000 - Mensagem' in str(excinfo.value)
 
-    @mock.patch('requests.post', cancelar_mocked_response)
+    @mock.patch('requests.Session.post', cancelar_mocked_response)
     def test_cancelar(self):
         with pytest.raises(TypeError) as excinfo:
             self.request.cancelar(tid=1, comercial=self.comercial)
@@ -208,7 +208,7 @@ def test_cancelar(self):
         self.assertTrue(isinstance(transacao, Transacao))
         self.assertTrue(isinstance(transacao.cancelamento, Cancelamento))
 
-    @mock.patch('requests.post', erro_mocked_response)
+    @mock.patch('requests.Session.post', erro_mocked_response)
     def test_cancelar_com_erro(self):
         with pytest.raises(CieloRequestError) as excinfo:
             self.request.cancelar(