Add system data import module

bin/system_imports.py

@@ -0,0 +1,47 @@
+#!/usr/bin/python3
+
+"""
+Re-import Dougal-exported data created by
+system_exports.py
+"""
+
+import os
+from glob import glob
+import configuration
+import preplots
+from datastore import Datastore
+
+exportables = [
+	"events_seq",
+	"events_seq_labels",
+	"events_timed",
+	"events_timed_labels"
+]
+
+if __name__ == '__main__':
+
+	print("Reading configuration")
+	surveys = configuration.surveys()
+
+	print("Connecting to database")
+	db = Datastore()
+
+	print("Reading surveys")
+	for survey in surveys:
+		print(f'Survey: {survey["id"]} ({survey["schema"]})')
+		db.set_survey(survey["schema"])
+		with db.conn.cursor() as cursor:
+
+			try:
+				pathPrefix = survey["exports"]["path"]
+			except ValueError:
+				print("Survey does not define an export path")
+				continue
+
+			for table in exportables:
+				path = os.path.join(pathPrefix, table)
+				print(" ← ", path, " → ", table)
+				with open(path, "rb") as fd:
+					cursor.copy_from(fd, table);
+
+	print("Done")