Adaptei do modulo ea_import.
def import_to_db(self, cr, uid, ids, context={}):
context['result_ids'] = []
result_pool = self.pool.get('ea_import.chain.result')
for chain in self.browse(cr, uid, ids, context=context):
csv_reader=unicode_csv_reader(StringIO(base64.b64decode(chain.input_file)),delimiter=str(";"),quoting=(not
chain.delimiter and csv.QUOTE_NONE) or csv.QUOTE_MINIMAL,quotechar=chain.delimiter and str("'") or None, charset=chain.charset)
if chain.header:
csv_reader.next()
result_ids = {}
#return res
csv_reader.next()
for row in csv_reader:
if len(row)>0:
print row[2], row[-2], row[-1]
