+
+def convert_date_to_json(date):
+ if date:
+ date = int(float(date) * 10**6)
+ return date
+
+def convert_date_from_json(date):
+ if date:
+ date = float(date)
+ if date > 10**10:
+ date /= 10.0**6
+ return date
+
+def encode_title(title):
+ if title:
+ return title.encode("UTF-8", "xmlcharrefreplace")
+ return title
+
+def get_str(record, name):
+ if name in record:
+ return record[name].encode('utf-8')
+ return ''