def getTimeExtents(self):
"""Get layer's temporal extent using the fields and the format defined somewhere else!"""
startStr = self.fromTimeAttribute
endStr = self.toTimeAttribute
startTime = time_util.str_to_datetime(startStr, self.getTimeFormat())
endTime = time_util.str_to_datetime(endStr, self.getTimeFormat())
# apply offset
startTime += timedelta(seconds=self.offset)
endTime += timedelta(seconds=self.offset)
return (startTime, endTime)
def getTimeExtents(self):
"""Get layer's temporal extent using the fields and the format defined somewhere else!"""
startStr = self.fromTimeAttribute
endStr = self.toTimeAttribute
startTime = time_util.str_to_datetime(startStr, self.getTimeFormat())
endTime = time_util.str_to_datetime(endStr, self.getTimeFormat())
# apply offset
startTime += timedelta(seconds=self.offset)
endTime += timedelta(seconds=self.offset)
return (startTime, endTime)
def setTimeRestriction(self, timePosition, timeFrame):
"""Constructs the query, including the original subset"""
if not self.timeEnabled:
self.deleteTimeRestriction()
return
startTime = timePosition + timedelta(seconds=self.offset)
endTime = timePosition + timeFrame + timedelta(seconds=self.offset)
layerStartTime = time_util.str_to_datetime(self.fromTimeAttribute, self.getTimeFormat())
layerEndTime = time_util.str_to_datetime(self.toTimeAttribute, self.getTimeFormat())
self.hideOrShowLayer(startTime, endTime, layerStartTime, layerEndTime)
def getTimeExtents(self):
"""
Return temporal extent in datetime format
using the fields and the format defined in the layer
"""
start_str, end_str = self.getMinMaxValues()
startTime = time_util.str_to_datetime(start_str, self.getTimeFormat())
endTime = time_util.str_to_datetime(end_str, self.getTimeFormat())
# apply offset
startTime += timedelta(seconds=self.offset)
endTime += timedelta(seconds=self.offset)
return startTime, endTime
def getTimeExtents(self):
"""
Return temporal extent in datetime format
using the fields and the format defined in the layer
"""
start_str, end_str = self.getMinMaxValues()
startTime = time_util.str_to_datetime(start_str, self.getTimeFormat())
endTime = time_util.str_to_datetime(end_str, self.getTimeFormat())
# apply offset
startTime += timedelta(seconds=self.offset)
endTime += timedelta(seconds=self.offset)
return startTime, endTime
def setTimeRestriction(self, timePosition, timeFrame):
"""Constructs the query, including the original subset"""
if not self.timeEnabled:
self.deleteTimeRestriction()
return
startTime = timePosition + timedelta(seconds=self.offset)
endTime = timePosition + timeFrame + timedelta(seconds=self.offset)
layerStartTime = time_util.str_to_datetime(self.fromTimeAttribute,
self.getTimeFormat())
layerEndTime = time_util.str_to_datetime(self.toTimeAttribute,
self.getTimeFormat())
self.hideOrShowLayer(startTime, endTime, layerStartTime, layerEndTime)
def findValidValues(self, fieldName, fmt):
uniques = self.getUniques(fieldName)
at_least_one_valid = False
last_exc = None
for v in uniques:
try:
time_util.str_to_datetime(v, fmt)
at_least_one_valid = True
break
except Exception as e:
error(traceback.format_exc(e))
last_exc = e
continue
if not at_least_one_valid:
raise Exception(last_exc)
def findValidValues(self, fieldName, fmt):
uniques = self.getUniques(fieldName)
at_least_one_valid = False
last_exc = None
for v in uniques:
try:
time_util.str_to_datetime(v, fmt)
at_least_one_valid = True
break
except Exception as e:
error(traceback.format_exc(e))
last_exc = e
continue
if not at_least_one_valid:
raise Exception(last_exc)
def findValidValues(self, fieldName, fmt):
uniques = self.getUniques(fieldName)
at_least_one_valid = False
last_exception = None
for v in uniques:
try:
time_util.str_to_datetime(v, fmt)
at_least_one_valid = True
break
except time_util.UnsupportedFormatException as e:
error(e)
last_exception = e
continue
if not at_least_one_valid:
raise NoValidTimestampValuesException(last_exception)
def restoreTimePositionFromSettings(self, value):
"""Restore the time position from settings"""
if value:
dt = time_util.str_to_datetime(
value,
time_util.DEFAULT_FORMAT) # this also works for integer values
self.getTimeLayerManager().setCurrentTimePosition(dt)
def restoreFromSaveString(self, saveString):
"""restore settings from loaded project file"""
tdfmt = time_util.SAVE_STRING_FORMAT
if saveString:
saveString = str(saveString).split(conf.SAVE_DELIMITER)
try:
timeExtents = (time_util.str_to_datetime(saveString[0], tdfmt),
time_util.str_to_datetime(saveString[1], tdfmt))
except Exception:
try:
# Try converting without the fractional seconds for
# backward compatibility.
tdfmt = time_util.DEFAULT_FORMAT
timeExtents = (time_util.str_to_datetime(saveString[0], tdfmt),
time_util.str_to_datetime(saveString[1], tdfmt))
except Exception:
# avoid error message for projects without
# time-managed layers
return
self.setProjectTimeExtents(timeExtents)
pos = time_util.str_to_datetime(saveString[2], tdfmt)
self.setCurrentTimePosition(pos)
def restoreFromSaveString(self, saveString):
"""restore settings from loaded project file"""
tdfmt = time_util.SAVE_STRING_FORMAT
if saveString:
saveString = str(saveString).split(conf.SAVE_DELIMITER)
try:
timeExtents = (time_util.str_to_datetime(saveString[0], tdfmt),
time_util.str_to_datetime(saveString[1], tdfmt))
except Exception:
try:
# Try converting without the fractional seconds for
# backward compatibility.
tdfmt = time_util.DEFAULT_FORMAT
timeExtents = (time_util.str_to_datetime(
saveString[0],
tdfmt), time_util.str_to_datetime(
saveString[1], tdfmt))
except Exception:
# avoid error message for projects without
# time-managed layers
return
self.setProjectTimeExtents(timeExtents)
pos = time_util.str_to_datetime(saveString[2], tdfmt)
self.setCurrentTimePosition(pos)
def restoreTimePositionFromSettings(self, value):
"""Restore the time position from settings"""
if value:
dt = time_util.str_to_datetime(value, time_util.DEFAULT_FORMAT) # this also works for integer values
self.getTimeLayerManager().setCurrentTimePosition(dt)
def getTimeExtents(self):
startTime, endTime = time_util.str_to_datetime(self.fromTimeAttribute, self.timeFormat), \
time_util.str_to_datetime(self.toTimeAttribute, self.timeFormat)
startTime += timedelta(seconds=self.offset)
endTime += timedelta(seconds=self.offset)
return (startTime, endTime)
def getTimeExtents(self):
startTime, endTime = time_util.str_to_datetime(self.fromTimeAttribute, self.timeFormat), \
time_util.str_to_datetime(self.toTimeAttribute, self.timeFormat)
startTime += timedelta(seconds=self.offset)
endTime += timedelta(seconds=self.offset)
return (startTime, endTime)