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# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import copy
from telemetry.value import failure
from telemetry.value import improvement_direction
from telemetry.value import scalar
def TranslateMreFailure(mre_failure, page):
return failure.FailureValue.FromMessage(page, mre_failure.stack)
def TranslateScalarValue(scalar_value, page):
# This function should not modify scalar_value because it is also held by
# PageTestResults.value_set.
scalar_value = copy.deepcopy(scalar_value)
value = scalar_value['numeric']['value']
scalar_value['value'] = value
if value is None:
scalar_value['none_value_reason'] = 'Common scalar contained None'
name = scalar_value['name']
unit_parts = scalar_value['numeric']['unit'].split('_')
if len(unit_parts) != 2:
raise ValueError('Must specify improvement direction for value ' + name)
scalar_value['units'] = unit_parts[0]
if unit_parts[1] == 'biggerIsBetter':
scalar_value['improvement_direction'] = improvement_direction.UP
else:
assert unit_parts[1] == 'smallerIsBetter'
scalar_value['improvement_direction'] = improvement_direction.DOWN
scalar_value['page_id'] = page.id
scalar_value['name'] = name
return scalar.ScalarValue.FromDict(scalar_value, {page.id: page})
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