From 932c93d280bdd43838d2bb8955407e3674d7a525 Mon Sep 17 00:00:00 2001
From: Jairo Llopis <j.llopis@grupoesoc.es>
Date: Mon, 23 Nov 2015 13:30:33 +0100
Subject: [PATCH 1/2] Do not break system when upgrading, please. Document
 dependencies.

---
 payment_redsys/README.rst       | 8 ++++++++
 payment_redsys/__openerp__.py   | 6 ++++++
 payment_redsys/models/redsys.py | 6 +++++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/payment_redsys/README.rst b/payment_redsys/README.rst
index fcd82159ddc..989a2a79481 100644
--- a/payment_redsys/README.rst
+++ b/payment_redsys/README.rst
@@ -47,3 +47,11 @@ pasarela de pago envía el formulario a "/payment/redsys/return" odoo no sabe
 con que base de datos procesar esta información.
 Por lo que hay que establecer los parametros **dbfilter** y **dbname** en
 **openerp-server.conf**.
+
+Instalación
+-----------
+
+Para utilizar este módulo, necesita la biblioteca `pycrypto
+<https://pypi.python.org/pypi/pycrypto>`_ instalada en su sistema::
+
+    pip install pycrypto
diff --git a/payment_redsys/__openerp__.py b/payment_redsys/__openerp__.py
index 3d91a9e550f..787579dc289 100644
--- a/payment_redsys/__openerp__.py
+++ b/payment_redsys/__openerp__.py
@@ -7,6 +7,12 @@
     'version': '8.0.1.0.0',
     'author': "Incaser Informatica S.L.,Odoo Community Association (OCA)",
     'depends': ['payment'],
+    "external_dependencies": {
+        "python": [
+            "Crypto.Cipher.DES3",
+        ],
+        "bin": [],
+    },
     'data': [
         'views/redsys.xml',
         'views/payment_acquirer.xml'
diff --git a/payment_redsys/models/redsys.py b/payment_redsys/models/redsys.py
index 33a388005e9..7ef468e6529 100644
--- a/payment_redsys/models/redsys.py
+++ b/payment_redsys/models/redsys.py
@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from Crypto.Cipher import DES3
 import hashlib
 import hmac
 import base64
@@ -11,6 +10,11 @@
 from openerp.tools.float_utils import float_compare
 _logger = logging.getLogger(__name__)
 
+try:
+    from Crypto.Cipher import DES3
+except ImportError:
+    _logger.info("Missing dependency. See README.")
+
 
 class AcquirerRedsys(models.Model):
     _inherit = 'payment.acquirer'

From 439ddd73f33804fc24f0e0d62d2d567f2a3d537c Mon Sep 17 00:00:00 2001
From: Jairo Llopis <j.llopis@grupoesoc.es>
Date: Mon, 23 Nov 2015 13:48:54 +0100
Subject: [PATCH 2/2] Tell dependency in log.

---
 payment_redsys/models/redsys.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/payment_redsys/models/redsys.py b/payment_redsys/models/redsys.py
index 7ef468e6529..a912f975861 100644
--- a/payment_redsys/models/redsys.py
+++ b/payment_redsys/models/redsys.py
@@ -13,7 +13,7 @@
 try:
     from Crypto.Cipher import DES3
 except ImportError:
-    _logger.info("Missing dependency. See README.")
+    _logger.info("Missing dependency (pycrypto). See README.")
 
 
 class AcquirerRedsys(models.Model):