Add helper class for easy csv file access with defined rows

csventry.py

@@ -0,0 +1,27 @@
+import csv
+
+class CSVEntry:
+    def __init__(self, **kvargs):
+        assert ( set(kvargs.keys()) - set(self.__class__.fields) ) == set()
+        for field in self.__class__.fields:
+            setattr(self, field, kvargs[field] or "")
+
+    @classmethod
+    def fromRow(cls, row):
+        assert len(row) == len(cls.fields)
+        return cls(**{ field : value for field,value in zip(cls.fields, row)})
+
+    def toRow(self):
+        return list(getattr(self,field) for field in self.__class__.fields)
+
+    @classmethod
+    def loadFile(cls, file):
+        with open(file) as csvfile:
+            reader = csv.reader(csvfile)
+            return list( cls.fromRow(row) for row in reader )
+
+    @staticmethod
+    def saveFile(file, entries):
+        with open(file,"w") as csvfile:
+            writer = csv.writer(csvfile)
+            writer.writerows( entry.toRow() for entry in entries )