def __cache_report(self, report_type):
"""Evaluates the report and stores it under correct cache key."""
display_name = ToprequestersReport.display_names[report_type]
if ToprequestersReport.is_cached(report_type):
if self.options['force']:
log.info('Recalculating "{0}" toprequesters report.'.format(
display_name))
else:
log.info('"{0}" toprequesters still in cache, use --force flag'
' to rebuild anyway.'.format(display_name))
return False
else:
log.info(('"{0}" toprequesters report missing, recalculating.'
).format(display_name))
start_date = now()
start_time = time.time()
days = int(self.options['days'])
data = ToprequestersReport.REPORT_FUNCTION[report_type](days)
elapsed = time.time() - start_time
log.info('Toprequesters report "{0}" generated in: {1}s.'.format(
display_name, elapsed))
# too often we get no information on the success of caching
if not data:
log.warning('Data returned by report function is {0}!'.format(data))
else:
meta = {
'days': days,
'to': start_date.date(),
'from': (start_date - datetime.timedelta(days=days)).date(),
'start_time': start_date,
'elapsed': elapsed,
}
ToprequestersReport.store(report_type, data, meta)
if not ToprequestersReport.is_cached(report_type):
log.warning('Cache error - data could not be fetched!')
return True
