Add bank authentication to Payment Parser Response

Author: Rafael Castro

febraban/cnab240/v83/result/parser.py

@@ -11,10 +11,11 @@ class PaymentResponseStatus:
 
 class PaymentResponse:
 
-    def __init__(self, identifier=None, occurrences=None, content=None):
+    def __init__(self, identifier=None, occurrences=None, content=None, authentication=None):
         self.identifier = identifier
         self.occurrences = occurrences
         self.content = content or []
+        self.authentication = authentication
 
     def occurrencesText(self):
         return [occurrences[occurrenceId] for occurrenceId in self.occurrences]
@@ -56,10 +57,13 @@ def _parseLines(cls, lines):
                 continue
             elif line[7] == "1":
                 currentResponse = PaymentResponse(content=[line])
-            elif line[7] == "3":
+            elif line[7] == "3" and line[13] == "A":
                 currentResponse.content.append(line)
                 currentResponse.identifier = cls._getIdentifier(line)
                 currentResponse.occurrences = cls._getOccurrences(line)
+            elif line[7] == "3" and line[13] == "Z":
+                currentResponse.content.append(line)
+                currentResponse.authentication = cls._getAuthentication(line)
             elif line[7] == "5":
                 currentResponse.content.append(line)
                 result.append(currentResponse)
@@ -77,4 +81,8 @@ def _splitString(cls, string):
 
     @classmethod
     def _getIdentifier(self, line):
-        return line[73:93].strip()
+        return line[73:93].strip()
+
+    @classmethod
+    def _getAuthentication(cls, line):
+        return line[14:78].strip()

sample-payment-parser.py

@@ -1,11 +1,12 @@
 from febraban.cnab240.v83.result.parser import PaymentParser
 
-file = open("output.REM", "r")
+file = open("SB25058A.RET", "r")
 
 responses = PaymentParser.parseFile(file)
 
 for response in responses:
     print response.identifier
+    print response.authentication
     print response.status()
     print response.content
     print response.contentText()