def continue_locate(self, tablename=None):
workarea = self._get_table_info(tablename)
if not (workarea and workarea.locate):
return
try:
record = next(workarea.locate)
dbf.source_table(record).goto(dbf.recno(record))
workarea.found = True
except StopIteration:
workarea.table.bottom()
workarea.locate = None
workarea.found = False
def seek(self, tablename, key_expr, key_index=None, key_index_file=None, descending=False):
table_info = self._get_table_info(tablename)
if not(table_info.seek and not key_index):
table_info.seek = (record for record in table_info.index[table_info.current_index].search((key_expr,)))
try:
record = next(table_info.seek)
except StopIteration:
table_info.table.bottom()
table_info.found = False
return
dbf.source_table(record).goto(dbf.recno(record))
table_info.found = True
def recno(self):
try:
return dbf.recno(self.open_tables[self.current_table].table.current_record) + 1
except:
return 0