element, overpass: return timestamps as objects

OSMPythonTools/element.py

@@ -1,4 +1,5 @@
 import copy
+import dateutil.parser
 import geojson
 import re
 
@@ -71,7 +72,7 @@ def version(self):
     def changeset(self):
         return self.__getElement('changeset')
     def timestamp(self):
-        return self.__getElement('timestamp')
+        return dateutil.parser.isoparse(self.__getElement('timestamp'))
     def user(self):
         return self.__getElement('user')
     def uid(self):

OSMPythonTools/overpass.py

@@ -1,6 +1,7 @@
 from OSMPythonTools.nominatim import Nominatim, NominatimResult
 import datetime as dt
 import sys
+import dateutil.parser
 import time
 import urllib.parse
 import urllib.request
@@ -132,9 +133,9 @@ def version(self):
     def generator(self):
         return self.__get('generator')
     def timestamp_osm_base(self):
-        return self.__get2('osm3s', 'timestamp_osm_base')
+        return dateutil.parser.isoparse(self.__get2('osm3s', 'timestamp_osm_base'))
     def timestamp_area_base(self):
-        return self.__get2('osm3s', 'timestamp_area_base')
+        return dateutil.parser.isoparse(self.__get2('osm3s', 'timestamp_area_base'))
     def copyright(self):
         return self.__get2('osm3s', 'copyright')
     def remark(self):

docs/element.md

@@ -125,5 +125,5 @@ changedNodes.elements()[0].user()
 changedNodes.elements()[0].userid()
 # 4913117
 changedNodes.elements()[0].timestamp()
-'2017-01-03T13:47:23Z'
+# 2017-01-03 13:47:23+00:00'
 ```