1220     date = date.strip()

  1220     date = date.strip()

  1221 

  1221 

  1222     if not date:

  1222     if not date:

  1223         raise Abort(_("dates cannot consist entirely of whitespace"))

  1223         raise Abort(_("dates cannot consist entirely of whitespace"))

  1224     elif date[0] == "<":

  1224     elif date[0] == "<":

  1225         when = upper(date[1:])

  1227         when = upper(date[1:])

  1226         return lambda x: x <= when

  1228         return lambda x: x <= when

  1227     elif date[0] == ">":

  1229     elif date[0] == ">":

  1228         when = lower(date[1:])

  1232         when = lower(date[1:])

  1229         return lambda x: x >= when

  1233         return lambda x: x >= when

  1230     elif date[0] == "-":

  1234     elif date[0] == "-":

  1231         try:

  1235         try:

  1232             days = int(date[1:])

  1236             days = int(date[1:])