Move the CORE -> CSV exporter to subfolder

rattail_corepos/corepos/commands.py

@@ -111,7 +111,7 @@ class ExportCSV(commands.ExportFileSubcommand):
     """
     name = 'export-csv'
     description = __doc__.strip()
-    default_handler_spec = 'rattail_corepos.corepos.importing.db.exporters:FromCoreToCSV'
+    default_handler_spec = 'rattail_corepos.corepos.importing.db.exporters.csv:FromCoreToCSV'
 
     def get_handler_factory(self, **kwargs):
         if self.config:

rattail_corepos/corepos/importing/db/exporters/__init__.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2020 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Exporting data from CORE-POS (direct DB)
+"""