def evaluateTarget(requestContext, targets):
if not isinstance(targets, list):
targets = [targets]
pathExpressions = extractPathExpressions(requestContext, targets)
prefetchData(requestContext, pathExpressions)
seriesList = []
for target in targets:
if not target:
continue
if isinstance(target, six.string_types):
if not target.strip():
continue
target = grammar.parseString(target)
try:
result = evaluateTokens(requestContext, target)
except InputParameterError as e:
e.setTargets(requestContext.get('targets', []))
e.setSourceIdHeaders(requestContext.get('sourceIdHeaders', {}))
raise
# we have to return a list of TimeSeries objects
if isinstance(result, TimeSeries):
seriesList.append(result)
elif result:
seriesList.extend(result)
return seriesList
def test_prefetchData(self):
# STORE.finders has no non-local finders
results = prefetchData({}, [])
self.assertEqual(results, None)
# STORE.fetch returns list with None value
with patch('graphite.render.datalib.STORE.fetch', lambda *_: [None]):
startTime = datetime(1970, 1, 1, 0, 10, 0, 0,
pytz.timezone(settings.TIME_ZONE))
endTime = datetime(1970, 1, 1, 0, 20, 0, 0,
pytz.timezone(settings.TIME_ZONE))
now = datetime(1970, 1, 1, 0, 20, 0, 0,
pytz.timezone(settings.TIME_ZONE))
requestContext = {
'startTime': startTime,
'endTime': endTime,
'now': now,
'prefetched': {
'somekey': 'somedata',
},
}
prefetchData(requestContext, ['test'])
self.assertEqual(
requestContext['prefetched'][timebounds(requestContext)], {})
def evaluateTarget(requestContext, targets):
if not isinstance(targets, list):
targets = [targets]
pathExpressions = extractPathExpressions(requestContext, targets)
prefetchData(requestContext, pathExpressions)
seriesList = []
for target in targets:
if not target:
continue
if isinstance(target, six.string_types):
if not target.strip():
continue
target = grammar.parseString(target)
result = evaluateTokens(requestContext, target)
# we have to return a list of TimeSeries objects
if isinstance(result, TimeSeries):
seriesList.append(result)
elif result:
seriesList.extend(result)
return seriesList
def evaluateTarget(requestContext, targets):
if not isinstance(targets, list):
targets = [targets]
pathExpressions = extractPathExpressions(requestContext, targets)
prefetchData(requestContext, pathExpressions)
seriesList = []
for target in targets:
if not target:
continue
if isinstance(target, six.string_types):
if not target.strip():
continue
target = grammar.parseString(target)
result = evaluateTokens(requestContext, target)
# we have to return a list of TimeSeries objects
if isinstance(result, TimeSeries):
seriesList.append(result)
elif result:
seriesList.extend(result)
return seriesList
def test_prefetchData(self):
# STORE.finders has no non-local finders
results = prefetchData({}, [])
self.assertEqual(results, None)
# STORE.fetch returns list with None value
with patch('graphite.render.datalib.STORE.fetch', lambda *_: [None]):
startTime = datetime(1970, 1, 1, 0, 10, 0, 0, pytz.timezone(settings.TIME_ZONE))
endTime = datetime(1970, 1, 1, 0, 20, 0, 0, pytz.timezone(settings.TIME_ZONE))
now = datetime(1970, 1, 1, 0, 20, 0, 0, pytz.timezone(settings.TIME_ZONE))
requestContext = {
'startTime': startTime,
'endTime': endTime,
'now': now,
'prefetched': {
'somekey': 'somedata',
},
}
prefetchData(requestContext, ['test'])
self.assertEqual(requestContext['prefetched'][timebounds(requestContext)], {})