better error with very long fields in import (#852)

anki/importing/csvfile.py

@@ -2,10 +2,14 @@
 # Copyright: Damien Elmes <anki@ichi2.net>
 # License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
-import codecs, csv, re
+import codecs
+import csv
+import re
+
 from anki.importing.noteimp import NoteImporter, ForeignNote
 from anki.lang import _
 
+
 class TextImporter(NoteImporter):
 
     needDelimiter = True
@@ -29,6 +33,7 @@ class TextImporter(NoteImporter):
             reader = csv.reader(self.data, delimiter=self.delimiter, doublequote=True)
         else:
             reader = csv.reader(self.data, self.dialect, doublequote=True)
+        try:
             for row in reader:
                 row = [unicode(x, "utf-8") for x in row]
                 if len(row) != self.numFields:
@@ -44,6 +49,8 @@ class TextImporter(NoteImporter):
                     continue
                 note = self.noteFromFields(row)
                 notes.append(note)
+        except (csv.Error), e:
+            log.append(_("Aborted: %s") % str(e))
         self.log = log
         self.ignored = ignored
         self.fileobj.close()