Start of the cybermut backend

eopayment/cybermut.py

@@ -0,0 +1,71 @@
+from common import PaymentCommon, FORM
+from collections import namedtuple
+import hmac
+import hashlib
+
+CREDIT_MUTUEL = 'Credit Mutuel'
+CIC = 'CIC'
+OBC = 'OBC'
+
+TEST = 'test'
+PRODUCTION = 'production'
+
+URL_BANQUES = {
+        CREDIT_MUTUEL: {
+            TEST: 'https://paiement.creditmutuel.fr/test/paiement.cgi',
+            },
+        CIC: {
+            TEST: 'https://ssl.paiement.cic-banques.fr/test/paiement.cgi',
+        },
+        OBC: {
+            TEST: 'https://ssl.paiement.banque-obc.fr/test/paiement.cgi',
+        },
+}
+
+Parameter = namedtuple('Parameter', ['name', 'default', 'sign'])
+
+class Payment(PaymentCommon):
+    REQUEST_FIELDS = [
+            Parameter('TPE', '', True),
+            Parameter('date', '', True),
+            Parameter('montant', '', True),
+            Parameter('reference', '', True),
+            Parameter('texte_libre', '', True),
+            Parameter('version', '1.2open', True),
+            Parameter('lgue', 'FR', True),
+            Parameter('societe', '', True),
+            Parameter('url_retour', '', False),
+            Parameter('url_retour_ok', '', False),
+            Parameter('url_retour_err', '', False),
+    ]
+
+
+    def __init__(self, options):
+        self.cle = options.pop('cle')
+        banque = options.pop('banque')
+        plateforme = options.pop('plateforme')
+        try:
+            self.url = URL_BANQUES[banque][plateforme]
+        except KeyError:
+            raise RuntimeError('cybermut: there is no %s URL for bank %s' % (plateforme, banque))
+        self.tpe = options.pop('tpe')
+        self.options = options
+
+    def cybermut_request(self, **parameters):
+        datagramme = []
+        form = {}
+        data = self.options.copy()
+        data.update(parameters)
+        for parameter in self.REQUEST_FIELDS:
+            value = data.get(parameter.name, parameter.default)
+            if parameter.sign:
+                datagramme.append(value)
+            form[parameter.name] = value
+        datagramme = '*'.join(datagramme)
+        form['MAC'] = hmac.new(self.cle, datagramme, hashlib.sha1
+                1;4
+                1;2P
+        
+
+
+    def request(self,