def append(self, datetime: LocalizedDatetime, sample: PathDict):
# initialise...
if not self.__initialised:
for node in self.__nodes:
try:
paths = sample.paths(node)
except KeyError:
continue
except IndexError as ex:
paths = None
print("sample_aggregate: %s: IndexError: %s" % (node, ex), file=sys.stderr)
sys.stderr.flush()
exit(1)
for path in paths:
if path == 'rec':
continue
self.__precisions[path] = Precision()
self.__regressions[path] = LinearRegression() if Datum.is_numeric(sample.node(path)) else \
CategoricalRegression()
self.__initialised = True
# values...
for path in self.__precisions.keys():
try:
value = sample.node(path)
except KeyError:
continue
if value is None:
continue
try:
self.__precisions[path].widen(value)
self.__regressions[path].append(datetime, value)
except InvalidOperation:
continue
print("-")
# --------------------------------------------------------------------------------------------------------------------
jdict = json.loads(jstr)
datum = PathDict(jdict)
print(datum)
print("=")
# --------------------------------------------------------------------------------------------------------------------
path = None
print("%s is path: %s is sub-path:%s" %
(path, datum.has_path(path), datum.has_sub_path(path)))
leaves = datum.paths(path)
print("%s: %s" % (path, leaves))
print("-")
path = 'val'
print("%s is path: %s is sub-path:%s" %
(path, datum.has_path(path), datum.has_sub_path(path)))
leaves = datum.paths(path)
print("%s: %s" % (path, leaves))
print("-")
path = 'val.CO'
print("%s is path: %s is sub-path:%s" %
(path, datum.has_path(path), datum.has_sub_path(path)))
leaves = datum.paths(path)
print("%s: %s" % (path, leaves))
# --------------------------------------------------------------------------------------------------------------------
# Construction...
jdict = json.loads(jstr)
print(jdict)
print("-")
datum = PathDict(jdict)
print(datum)
print("-")
jstr = JSONify.dumps(datum)
print(jstr)
print("-")
paths = datum.paths()
print(paths)
print("=")
# --------------------------------------------------------------------------------------------------------------------
# Accessing nodes...
path1 = "val.opc_n2.bin1"
print("path1: %s" % path1)
has_path = datum.has_path(path1)
print("has_path:%s" % has_path)
node = datum.node(path1)
print("node: %s" % node)
print("-")