Changeset 4150

Timestamp:

20 May 2009, 07:57:41 (16 years ago)

Author:

uli

Message:

Add simple interfaces for CSV import/export.

File:

• waeup/branches/ulif-rewrite/src/waeup/interfaces.py (modified) (1 diff)

waeup/branches/ulif-rewrite/src/waeup/interfaces.py

@@ -117 +117 @@
         """
 
+class IWAeUPCSVExporter(Interface):
+    """A CSV exporter for objects.
+    """
+    def export(obj, filepath=None):
+        """Export as CSV.
+
+        Returns a CSV representation of `obj`.
+
+        If `filepath` is ``None``, a StringIO` object is returned,
+        that contains the transformed data.
+        """
+
+class IWAeUPCSVImporter(Interface):
+    """A CSV importer for objects.
+    """
+    def doImport(filepath):
+        """Read data from `filepath` and apply data.
+
+        It depends on the context, what 'applying data' means here.
+        """
+
 class IUserAccount(IWAeUPObject):
     """A user account.