def lookupStreams(self, collection, isCollectionPrefix, tags, annotations):
tagkvlist = []
for k, v in tags.items():
if v is None:
ov = None
else:
if isinstance(v, str):
v = v.encode("utf-8")
ov = btrdb_pb2.OptValue(value=v)
kv = btrdb_pb2.KeyOptValue(key=k, val=ov)
tagkvlist.append(kv)
annkvlist = []
for k, v in annotations.items():
if v is None:
ov = None
else:
if isinstance(v, str):
v = v.encode("utf-8")
ov = btrdb_pb2.OptValue(value=v)
kv = btrdb_pb2.KeyOptValue(key=k, val=ov)
annkvlist.append(kv)
params = btrdb_pb2.LookupStreamsParams(
collection=collection,
isCollectionPrefix=isCollectionPrefix,
tags=tagkvlist,
annotations=annkvlist)
for result in self.stub.LookupStreams(params):
BTrDBError.checkProtoStat(result.stat)
yield result.results
def changes(self, uu, fromVersion, toVersion, resolution):
params = btrdb_pb2.ChangesParams(uuid=uu.bytes,
fromMajor=fromVersion,
toMajor=toVersion,
resolution=resolution)
for result in self.stub.Changes(params):
BTrDBError.checkProtoStat(result.stat)
yield result.ranges, result.versionMajor
def rawValues(self, uu, start, end, version=0):
params = btrdb_pb2.RawValuesParams(uuid=uu.bytes,
start=start,
end=end,
versionMajor=version)
for result in self.stub.RawValues(params):
BTrDBError.checkProtoStat(result.stat)
yield result.values, result.versionMajor
def nearest(self, uu, time, version, backward):
params = btrdb_pb2.NearestParams(uuid=uu.bytes,
time=time,
versionMajor=version,
backward=backward)
result = self.stub.Nearest(params)
BTrDBError.checkProtoStat(result.stat)
return result.value, result.versionMajor
def insert(self, uu, values):
protoValues = RawPoint.to_proto_list(values)
params = btrdb_pb2.InsertParams(uuid=uu.bytes,
sync=False,
values=protoValues)
result = self.stub.Insert(params)
BTrDBError.checkProtoStat(result.stat)
return result.versionMajor
def alignedWindows(self, uu, start, end, pointwidth, version=0):
params = btrdb_pb2.AlignedWindowsParams(uuid=uu.bytes,
start=start,
end=end,
versionMajor=version,
pointWidth=int(pointwidth))
for result in self.stub.AlignedWindows(params):
BTrDBError.checkProtoStat(result.stat)
yield result.values, result.versionMajor
def windows(self, uu, start, end, width, depth, version=0):
params = btrdb_pb2.WindowsParams(uuid=uu.bytes,
start=start,
end=end,
versionMajor=version,
width=width,
depth=depth)
for result in self.stub.Windows(params):
BTrDBError.checkProtoStat(result.stat)
yield result.values, result.versionMajor
def streamInfo(self, uu, omitDescriptor, omitVersion):
params = btrdb_pb2.StreamInfoParams(uuid=uu.bytes,
omitVersion=omitVersion,
omitDescriptor=omitDescriptor)
result = self.stub.StreamInfo(params)
desc = result.descriptor
BTrDBError.checkProtoStat(result.stat)
tagsanns = unpack_stream_descriptor(desc)
return desc.collection, desc.propertyVersion, tagsanns[0], tagsanns[
1], result.versionMajor
def listCollections(self, prefix):
"""
Returns a generator for windows of collection paths matching search
Yields
------
collection paths : list[str]
"""
params = btrdb_pb2.ListCollectionsParams(prefix=prefix)
for msg in self.stub.ListCollections(params):
BTrDBError.checkProtoStat(msg.stat)
yield msg.collections
def create(self, uu, collection, tags, annotations):
tagkvlist = []
for k, v in tags.items():
kv = btrdb_pb2.KeyOptValue(key=k, val=btrdb_pb2.OptValue(value=v))
tagkvlist.append(kv)
annkvlist = []
for k, v in annotations.items():
kv = btrdb_pb2.KeyOptValue(key=k, val=btrdb_pb2.OptValue(value=v))
annkvlist.append(kv)
params = btrdb_pb2.CreateParams(uuid=uu.bytes,
collection=collection,
tags=tagkvlist,
annotations=annkvlist)
result = self.stub.Create(params)
BTrDBError.checkProtoStat(result.stat)
def setStreamAnnotations(self, uu, expected, changes):
annkvlist = []
for k, v in changes.items():
if v is None:
ov = None
else:
if isinstance(v, str):
v = v.encode("utf-8")
ov = btrdb_pb2.OptValue(value=v)
kv = btrdb_pb2.KeyOptValue(key=k, val=ov)
annkvlist.append(kv)
params = btrdb_pb2.SetStreamAnnotationsParams(
uuid=uu.bytes, expectedPropertyVersion=expected, changes=annkvlist)
result = self.stub.SetStreamAnnotations(params)
BTrDBError.checkProtoStat(result.stat)
def insert(self, uu, values, policy):
policy_map = {
'never': btrdb_pb2.MergePolicy.NEVER,
'equal': btrdb_pb2.MergePolicy.EQUAL,
'retain': btrdb_pb2.MergePolicy.RETAIN,
'replace': btrdb_pb2.MergePolicy.REPLACE,
}
protoValues = RawPoint.to_proto_list(values)
params = btrdb_pb2.InsertParams(uuid=uu.bytes,
sync=False,
values=protoValues,
merge_policy=policy_map[policy])
result = self.stub.Insert(params)
BTrDBError.checkProtoStat(result.stat)
return result.versionMajor
def setStreamTags(self, uu, expected, tags, collection):
tag_data = []
for k, v in tags.items():
if v is None:
ov = None
else:
if isinstance(v, str):
v = v.encode("utf-8")
ov = btrdb_pb2.OptValue(value=v)
kv = btrdb_pb2.KeyOptValue(key=k, val=ov)
tag_data.append(kv)
params = btrdb_pb2.SetStreamTagsParams(
uuid=uu.bytes,
expectedPropertyVersion=expected,
tags=tag_data,
collection=collection)
result = self.stub.SetStreamTags(params)
BTrDBError.checkProtoStat(result.stat)
def generateCSV(self, queryType, start, end, width, depth, includeVersions,
*streams):
protoStreams = [
btrdb_pb2.StreamCSVConfig(version=stream[0],
label=stream[1],
uuid=stream[2].bytes)
for stream in streams
]
params = btrdb_pb2.GenerateCSVParams(queryType=queryType.to_proto(),
startTime=start,
endTime=end,
windowSize=width,
depth=depth,
includeVersions=includeVersions,
streams=protoStreams)
result = self.stub.GenerateCSV(params)
for result in self.stub.GenerateCSV(params):
BTrDBError.checkProtoStat(result.stat)
yield result.row
def deleteRange(self, uu, start, end):
params = btrdb_pb2.DeleteParams(uuid=uu.bytes, start=start, end=end)
result = self.stub.Delete(params)
BTrDBError.checkProtoStat(result.stat)
return result.versionMajor
def sql_query(self, stmt, params=[]):
request = btrdb_pb2.SQLQueryParams(query=stmt, params=params)
for page in self.stub.SQLQuery(request):
BTrDBError.checkProtoStat(page.stat)
yield page.SQLQueryRow
def getMetadataUsage(self, prefix):
params = btrdb_pb2.MetadataUsageParams(prefix=prefix)
result = self.stub.GetMetadataUsage(params)
BTrDBError.checkProtoStat(result.stat)
return result.tags, result.annotations
def flush(self, uu):
params = btrdb_pb2.FlushParams(uuid=uu.bytes)
result = self.stub.Flush(params)
BTrDBError.checkProtoStat(result.stat)
def faultInject(self, typ, args):
params = btrdb_pb2.FaultInjectParams(type=typ, params=args)
result = self.stub.FaultInject(params)
BTrDBError.checkProtoStat(result.stat)
return result.rv
def obliterate(self, uu):
params = btrdb_pb2.ObliterateParams(uuid=uu.bytes)
result = self.stub.Obliterate(params)
BTrDBError.checkProtoStat(result.stat)
def info(self):
params = btrdb_pb2.InfoParams()
result = self.stub.Info(params)
BTrDBError.checkProtoStat(result.stat)
return result