def _orderValuesAsTimes(a, b):
"""Orders two values in ascending value, parsing the supplied strings as times.
@param a: first value
@param b: second value
@return tuple containing the supplied values in the appropriate order, or None if they values
cannot be parsed
"""
try:
aCt = date_util.iso2comptime(a)
bCt = date_util.iso2comptime(b)
return (a, b) if aCt.compare(bCt) <= 0 else (b, a)
except ValueError:
return None
def formatObs(layerInfo, keywordData):
field = layerInfo.layerName
try:
fieldcaption = keywordData['title']
except KeyError:
fieldcaption = field
period = keywordData['period']
time = date_util.iso2comptime(layerInfo.params['TIME'])
today = datetime.today().strftime('%d %B, %Y')
if period == '10':
minYear = time.year - (time.year % 10) + 1
maxYear = minYear + 9
elif period == '30':
minYear = time.year - ((time.year - 1900) % 30) + 1
maxYear = minYear + 29
caption = '''Observed %s, %s %s-%s mean.
Climatic Research Unit Climatology (New et al., 1999).
Figure obtained from www.ipcc-data.org. %s.''' % (fieldcaption, months[time.month-1],
minYear, maxYear,
today)
return caption
def formatSim(layerInfo, keywordData):
field = layerInfo.layerName
time = date_util.iso2comptime(layerInfo.params['TIME'])
fieldcaption = keywordData['varcaption']
institute=keywordData['caption']
model=keywordData['model']
projection=keywordData['short']
ref=keywordData['ref']
today = datetime.today().strftime('%d %B, %Y')
period = int(keywordData['period'])
# This algorithm is copied from the ddc javascript where it seems to work for AR4
# there is a workaround for TAR that would need putting here too if we use formatProj
# for the TAR data.
dy = period / 2
minYear = time.year - dy + 1
maxYear = time.year - dy + period
caption = '''%s, %s %s-%s mean.
Simulated by the %s;
Scenario %s (%s); Model %s (IPCC 2007).
Figure obtained from www.ipcc-data.org. %s.''' % (fieldcaption, months[time.month-1],
minYear, maxYear,
institute,
projection, ref, model,
today)
return caption
def applyFormat(self, name, dimensionValues):
"""Applies a dimension format to a list of values, returning the list formatted values or
None if no formatting is possible.
@param name: name of dimension
@param dimensionValues: list of dimension values
@return list of formatted values or None if there is no applicable format
"""
log.debug('Formatting %s in format "%s"' % (name, self.formatString))
if (name == 'time') and (self.formatString):
displayValues = []
for val in dimensionValues:
comptime = date_util.iso2comptime(val)
displayValues.append(comptime.format(self.formatString))
else:
displayValues = None
return displayValues
