Changeset 4160 for waeup/branches

Timestamp:

24 May 2009, 10:11:35 (16 years ago)

Author:

uli

Message:

Update CSVImporter interface.

File:

• waeup/branches/ulif-rewrite/src/waeup/interfaces.py (modified) (2 diffs)

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

@@ -120 +120 @@
     """A CSV exporter for objects.
     """
+
     def export(obj, filepath=None):
         """Export as CSV.
@@ -132 +133 @@
     """A CSV importer for objects.
     """
-    def doImport(filepath):
+    datatype = schema.TextLine(
+        title = u'Data type',
+        description = u'Type of data supported by this filter.',
+        required = True,)
+
+    def doImport(filepath, clear_old_data=True, overwrite=True):
         """Read data from `filepath` and apply data.
 
         It depends on the context, what 'applying data' means here.
+
+        If `clear_old_data` is False, old data will be
+        preserved. Otherwise all old data will get lost.
+
+        If `overwrite` is False, any existing entries with similar
+        keys might be overwritten. This option is ignored, when
+        `clear_old_data` is set to True.
         """
-
+        
 class IUserAccount(IWAeUPObject):
     """A user account.