+ dtregex = {'date' : '\d\d\.\d\d',
+ 'time': '\d\d:\d\d'}
+
+ regex = "\s*(?P<date1>{date})?\s*(?P<time1>{time})\s*(?P<date2>{date})?\s*(?P<time2>{time})\s*".format(**dtregex)
+ ma = re.match(regex, y)
+
+ if not ma:
+ return []
+
+ gr = ma.groupdict()
+
+ def extract_datetime(gr, n):
+ if 'date%d' % n in gr and gr['date%d' % n]:
+ from_dtime = datetime.strptime(str(datetime.today().year) + gr['date%d' % n] + gr['time%d' % n], '%Y%d.%m.%H:%M')
+ else:
+ t = datetime.strptime(gr['time%d' % n], '%H:%M').time()
+ d = datetime.today().date()
+ return datetime.combine(d, t)
+