# found in the LICENSE file.
from telemetry import value as value_module
+from telemetry.value import none_values
class ListOfStringValues(value_module.Value):
def __init__(self, page, name, units, values,
- important=True, description=None,
+ important=True, description=None, none_value_reason=None,
same_page_merge_policy=value_module.CONCATENATE):
super(ListOfStringValues, self).__init__(page, name, units, important,
description)
- assert len(values) > 0
- assert isinstance(values, list)
- for v in values:
- assert isinstance(v, basestring)
+ if values is not None:
+ assert isinstance(values, list)
+ assert len(values) > 0
+ assert all(isinstance(v, basestring) for v in values)
+ none_values.ValidateNoneValueReason(values, none_value_reason)
self.values = values
+ self.none_value_reason = none_value_reason
self.same_page_merge_policy = same_page_merge_policy
def __repr__(self):
def AsDict(self):
d = super(ListOfStringValues, self).AsDict()
d['values'] = self.values
+
+ if self.none_value_reason is not None:
+ d['none_value_reason'] = self.none_value_reason
+
return d
@staticmethod
kwargs = value_module.Value.GetConstructorKwArgs(value_dict, page_dict)
kwargs['values'] = value_dict['values']
+ if 'none_value_reason' in value_dict:
+ kwargs['none_value_reason'] = value_dict['none_value_reason']
+
return ListOfStringValues(**kwargs)
@classmethod
v0.page, v0.name, v0.units,
values[0].values,
important=v0.important,
- same_page_merge_policy=v0.same_page_merge_policy)
+ same_page_merge_policy=v0.same_page_merge_policy,
+ none_value_reason=v0.none_value_reason)
assert v0.same_page_merge_policy == value_module.CONCATENATE
- all_values = []
- for v in values:
- all_values.extend(v.values)
- return ListOfStringValues(
- v0.page, v0.name, v0.units,
- all_values,
- important=v0.important,
- same_page_merge_policy=v0.same_page_merge_policy)
+ return cls._MergeLikeValues(values, v0.page, v0.name)
@classmethod
def MergeLikeValuesFromDifferentPages(cls, values,
group_by_name_suffix=False):
assert len(values) > 0
v0 = values[0]
- all_values = []
+ name = v0.name_suffix if group_by_name_suffix else v0.name
+ return cls._MergeLikeValues(values, None, name)
+
+ @classmethod
+ def _MergeLikeValues(cls, values, page, name):
+ v0 = values[0]
+ merged_values = []
+ none_value_reason = None
for v in values:
- all_values.extend(v.values)
- if not group_by_name_suffix:
- name = v0.name
- else:
- name = v0.name_suffix
+ if v.values is None:
+ merged_values = None
+ none_value_reason = none_values.MERGE_FAILURE_REASON
+ break
+ merged_values.extend(v.values)
return ListOfStringValues(
- None, name, v0.units,
- all_values,
+ page, name, v0.units,
+ merged_values,
important=v0.important,
- same_page_merge_policy=v0.same_page_merge_policy)
+ same_page_merge_policy=v0.same_page_merge_policy,
+ none_value_reason=none_value_reason)