def process(self, inputs):
input_meta = self.get_input_meta()
predict_col = self.conf.get('prediction', 'predict')
data_df = inputs[self.INPUT_PORT_NAME]
if self.INPUT_PORT_MODEL_NAME in input_meta:
# use external information instead of conf
filename = get_file_path(inputs[self.INPUT_PORT_MODEL_NAME])
train_cols = input_meta[self.INPUT_PORT_MODEL_NAME]['train']
train_cols = list(train_cols.keys())
else:
# use the conf information
filename = get_file_path(self.conf['file'])
if 'columns' in self.conf:
if self.conf.get('include', True):
train_cols = self.conf['columns']
else:
train_cols = [
col for col in data_df.columns
if col not in self.conf['columns']
]
train_cols.sort()
fm = ForestInference.load(filename,
model_type=self.conf.get(
"model_type", "xgboost"))
prediction = fm.predict(data_df[train_cols])
prediction.index = data_df.index
data_df[predict_col] = prediction
return {self.OUTPUT_PORT_NAME: data_df}
def _compute_hash_key(self):
"""
if hash changed, the port_setup, meta_setup
and conf_json should be different
In very rara case, might have the problem of hash collision,
It affects the column, port and conf calculation. It won't
change the computation result though.
It returns the hash code, the loaded task_graph,
the replacement conf obj
"""
task_graph = ""
inputs = ()
replacementObj = {}
input_node = ""
task_graph_obj = None
if 'taskgraph' in self.conf:
task_graph = get_file_path(self.conf['taskgraph'])
if os.path.exists(task_graph):
with open(task_graph) as f:
task_graph = hashlib.md5(f.read().encode()).hexdigest()
task_graph_obj = TaskGraph.load_taskgraph(
get_file_path(self.conf['taskgraph']))
self.update_replace(replacementObj, task_graph_obj)
if 'input' in self.conf:
for inp in self.conf['input']:
input_node += inp+","
if hasattr(self, 'inputs'):
for i in self.inputs:
inputs += (hash(i['from_node']),
i['to_port'], i['from_port'])
return (hash((self.uid, task_graph, inputs, json.dumps(self.conf),
input_node, json.dumps(replacementObj))), task_graph_obj,
replacementObj)
def ports_setup(self):
cache_key = self._compute_hash_key()
if cache_key in cache_ports:
# print('cache hit')
return cache_ports[cache_key]
inports = {}
outports = {}
if 'taskgraph' in self.conf:
task_graph = TaskGraph.load_taskgraph(
get_file_path(self.conf['taskgraph']))
replacementObj = {}
self.update_replace(replacementObj)
task_graph.build(replace=replacementObj)
def inputNode_fun(inputNode, in_ports):
inport = {}
before_fix = inputNode.ports_setup().inports
for key in before_fix.keys():
if key in in_ports:
inport[key] = before_fix[key]
inports.update(fix_port_name(inport, inputNode.uid))
def outNode_fun(outNode, out_ports):
ouport = {}
before_fix = outNode.ports_setup().outports
for key in before_fix.keys():
if key in out_ports:
ouport[key] = before_fix[key]
outports.update(fix_port_name(ouport, outNode.uid))
self._make_sub_graph_connection(task_graph, inputNode_fun,
outNode_fun)
output_port = NodePorts(inports=inports, outports=outports)
cache_ports[cache_key] = output_port
return output_port
def process(self, inputs):
"""
Load the end of day stock CSV data into cuDF dataframe
Arguments
-------
inputs: list
empty list
Returns
-------
cudf.DataFrame
"""
output = {}
if self.outport_connected(CUDF_PORT_NAME):
path = get_file_path(self.conf['file'])
df = cudf.read_csv(path)
# extract the year, month, day
ymd = df['DTE'].astype(
'str').str.extract(r'(\d\d\d\d)(\d\d)(\d\d)')
# construct the standard datetime str
df['DTE'] = ymd[0].str.cat(
ymd[1],
'-').str.cat(ymd[2], '-').astype('datetime64[ms]')
df = df[['DTE', 'OPEN', 'CLOSE', 'HIGH', 'LOW', 'SM_ID', 'VOLUME']]
df['VOLUME'] /= 1000
# change the names
df.columns = ['datetime', 'open', 'close',
'high', 'low', "asset", 'volume']
output.update({CUDF_PORT_NAME: df})
if self.outport_connected(PANDAS_PORT_NAME):
path = get_file_path(self.conf['file'])
df = pd.read_csv(path,
converters={'DTE':
lambda x: pd.Timestamp(str(x))})
df = df[['DTE', 'OPEN',
'CLOSE', 'HIGH',
'LOW', 'SM_ID', 'VOLUME']]
df['VOLUME'] /= 1000
df.columns = ['datetime', 'open', 'close', 'high',
'low', "asset", 'volume']
output.update({PANDAS_PORT_NAME: df})
if self.outport_connected(DASK_CUDF_PORT_NAME):
path = get_file_path(self.conf['path'])
df = dask_cudf.read_csv(path+'/*.csv',
parse_dates=['datetime'])
output.update({DASK_CUDF_PORT_NAME: df})
return output
def init(self, class_obj):
if nemo.core.NeuralModuleFactory.get_default_factory() is None:
nemo.core.NeuralModuleFactory()
self.instanceClass = class_obj
self.instance = None
self.file_fields = []
conf_para = get_conf_parameters(class_obj)
self.fix_type = {}
self.INPUT_NM = 'in_nm'
self.OUTPUT_NM = 'out_nm'
for key in conf_para.keys():
if key.find('name') >= 0:
self.fix_type[key] = "string"
if key.find('model') >= 0:
self.fix_type[key] = "string"
if key.find('file') >= 0:
self.file_fields.append(key)
for f in self.file_fields:
self.fix_type[f] = 'string'
if f in self.conf and self.conf[f]:
self.conf[f] = get_file_path(self.conf[f])
if not issubclass(class_obj, DataLayerNM):
try:
if issubclass(self.instanceClass, TrainableNM):
input_meta = self.get_input_meta()
if self.INPUT_NM in input_meta:
if (share_weight in self.conf
and self.conf[share_weight] == 'Reuse'):
self.conf = input_meta[self.INPUT_NM]
app = nemo.utils.app_state.AppState()
ins = None
for mod in app._module_registry:
if isinstance(mod, self.instanceClass):
ins = mod
break
if ins is None:
ins = class_obj(**self.conf)
if self.instance is None:
self.instance = ins
except Exception as e:
print(e)
pass
def columns_setup(self):
self.required = {}
column_types = {"asset": "int64", "asset_name": "object"}
out_cols = {
STOCK_NAME_PORT_NAME: column_types,
}
if self.outport_connected(STOCK_MAP_PORT_NAME):
if 'file' in self.conf:
hash_key = self._compute_hash_key()
if hash_key in cache_columns:
out_cols.update(
{STOCK_MAP_PORT_NAME: cache_columns[hash_key]})
else:
path = get_file_path(self.conf['file'])
name_df = cudf.read_csv(path)[['SM_ID', 'SYMBOL']]
name_df.columns = ["asset", 'asset_name']
pdf = name_df.to_pandas()
column_data = pdf.to_dict('list')
cache_columns[hash_key] = column_data
out_cols.update({STOCK_MAP_PORT_NAME: column_data})
return out_cols
def process(self, inputs):
"""
Load the csv file mapping stock id to symbol name into cudf DataFrame
Arguments
-------
inputs: list
empty list
Returns
-------
cudf.DataFrame
"""
output = {}
if self.outport_connected(STOCK_NAME_PORT_NAME):
path = get_file_path(self.conf['file'])
name_df = cudf.read_csv(path)[['SM_ID', 'SYMBOL']]
# change the names
name_df.columns = ["asset", 'asset_name']
output.update({STOCK_NAME_PORT_NAME: name_df})
if self.outport_connected(STOCK_MAP_PORT_NAME):
output.update({STOCK_MAP_PORT_NAME: StockMap()})
return output
def columns_setup(self):
cache_key = self._compute_hash_key()
if cache_key in cache_columns:
# print('cache hit')
return cache_columns[cache_key]
required = {}
out_columns = {}
if 'taskgraph' in self.conf:
task_graph = TaskGraph.load_taskgraph(
get_file_path(self.conf['taskgraph']))
replacementObj = {}
self.update_replace(replacementObj)
task_graph.build(replace=replacementObj)
def inputNode_fun(inputNode, in_ports):
req = {}
# do columns_setup so required columns are ready
inputNode.columns_setup()
for key in inputNode.required.keys():
if key in in_ports:
req[key] = inputNode.required[key]
required.update(fix_port_name(req, inputNode.uid))
def outNode_fun(outNode, out_ports):
oucols = {}
before_fix = outNode.columns_setup()
for key in before_fix.keys():
if key in out_ports:
oucols[key] = before_fix[key]
out_columns.update(fix_port_name(oucols, outNode.uid))
self._make_sub_graph_connection(task_graph, inputNode_fun,
outNode_fun)
self.required = required
cache_columns[cache_key] = out_columns
return out_columns
def process(self, inputs):
"""
Composite computation
Arguments
-------
inputs: list
list of input dataframes.
Returns
-------
dataframe
"""
if 'taskgraph' in self.conf:
task_graph = TaskGraph.load_taskgraph(
get_file_path(self.conf['taskgraph']))
task_graph.build()
outputLists = []
replaceObj = {}
input_feeders = []
def inputNode_fun(inputNode, in_ports):
inports = inputNode.ports_setup().inports
class InputFeed(Node):
def meta_setup(self):
output = {}
for inp in inputNode.inputs:
output[inp['to_port']] = inp[
'from_node'].meta_setup().outports[
inp['from_port']]
# it will be something like { input_port: columns }
return MetaData(inports={}, outports=output)
def ports_setup(self):
# it will be something like { input_port: types }
return NodePorts(inports={}, outports=inports)
def conf_schema(self):
return ConfSchema()
def process(self, empty):
output = {}
for key in inports.keys():
if inputNode.uid+'@'+key in inputs:
output[key] = inputs[inputNode.uid+'@'+key]
return output
uni_id = str(uuid.uuid1())
obj = {
TaskSpecSchema.task_id: uni_id,
TaskSpecSchema.conf: {},
TaskSpecSchema.node_type: InputFeed,
TaskSpecSchema.inputs: []
}
input_feeders.append(obj)
newInputs = {}
for key in inports.keys():
if inputNode.uid+'@'+key in inputs:
newInputs[key] = uni_id+'.'+key
for inp in inputNode.inputs:
if inp['to_port'] not in in_ports:
# need to keep the old connections
newInputs[inp['to_port']] = (inp['from_node'].uid
+ '.' + inp['from_port'])
replaceObj.update({inputNode.uid: {
TaskSpecSchema.inputs: newInputs}
})
def outNode_fun(outNode, out_ports):
out_ports = outNode.ports_setup().outports
# fixed_outports = fix_port_name(out_ports, outNode.uid)
for key in out_ports.keys():
if self.outport_connected(outNode.uid+'@'+key):
outputLists.append(outNode.uid+'.'+key)
self._make_sub_graph_connection(task_graph,
inputNode_fun, outNode_fun)
task_graph.extend(input_feeders)
self.update_replace(replaceObj, task_graph)
result = task_graph.run(outputLists, replace=replaceObj)
output = {}
for key in result.get_keys():
splits = key.split('.')
output['@'.join(splits)] = result[key]
return output
else:
return {}
def search_fun(config, checkpoint_dir=None):
myinputs = {}
for key in data_store.keys():
v = ray.get(data_store[key])
if isinstance(v, pandas.DataFrame):
myinputs[key] = cudf.from_pandas(v)
else:
myinputs[key] = v
task_graph = TaskGraph.load_taskgraph(
get_file_path(self.conf['taskgraph']))
task_graph.build()
outputLists = [train_id + '.' + 'checkpoint_dir']
replaceObj = {}
input_feeders = []
def inputNode_fun(inputNode, in_ports):
inports = inputNode.ports_setup().inports
class InputFeed(Node):
def meta_setup(self):
output = {}
for inp in inputNode.inputs:
output[inp['to_port']] = inp[
'from_node'].meta_setup()[inp['from_port']]
# it will be something like { input_port: columns }
return output
def ports_setup(self):
# it will be something like { input_port: types }
return NodePorts(inports={}, outports=inports)
def conf_schema(self):
return ConfSchema()
def process(self, empty):
output = {}
for key in inports.keys():
if (inputNode.uid + '@' + key in myinputs):
output[key] = myinputs[inputNode.uid +
'@' + key]
return output
uni_id = str(uuid.uuid1())
obj = {
TaskSpecSchema.task_id: uni_id,
TaskSpecSchema.conf: {},
TaskSpecSchema.node_type: InputFeed,
TaskSpecSchema.inputs: []
}
input_feeders.append(obj)
newInputs = {}
for key in inports.keys():
if inputNode.uid + '@' + key in myinputs:
newInputs[key] = uni_id + '.' + key
for inp in inputNode.inputs:
if inp['to_port'] not in in_ports:
# need to keep the old connections
newInputs[inp['to_port']] = (inp['from_node'].uid +
'.' +
inp['from_port'])
replaceObj.update(
{inputNode.uid: {
TaskSpecSchema.inputs: newInputs
}})
def outNode_fun(outNode, out_ports):
pass
self._make_sub_graph_connection(task_graph, inputNode_fun,
outNode_fun)
task_graph.extend(input_feeders)
self.update_conf_for_search(replaceObj, task_graph, config)
task_graph.run(outputLists, replace=replaceObj)
def conf_schema(self):
cache_key = self._compute_hash_key()
if cache_key in cache_schema:
# print('cache hit')
return cache_schema[cache_key]
json = {
"title": "Composite Node configure",
"type": "object",
"description": """Use a sub taskgraph as a composite node""",
"properties": {
"taskgraph": {
"type": "string",
"description": "the taskgraph filepath"
},
"input": {
"type": "array",
"description": "the input node ids",
"items": {
"type": "string"
}
},
"output": {
"type": "array",
"description": "the output node ids",
"items": {
"type": "string"
}
},
"subnode_ids": {
"title":
self.uid + " subnode ids",
"type":
"array",
"items": {
"type": "string"
},
"description":
"""sub graph node ids that need
to be reconfigured"""
},
"subnodes_conf": {
"title": self.uid + " subnodes configuration",
"type": "object",
"properties": {}
}
},
"required": ["taskgraph"],
}
ui = {
"taskgraph": {
"ui:widget": "TaskgraphSelector"
},
"subnodes_conf": {}
}
if 'taskgraph' in self.conf:
task_graphh = TaskGraph.load_taskgraph(
get_file_path(self.conf['taskgraph']))
replacementObj = {}
self.update_replace(replacementObj)
task_graphh.build(replace=replacementObj)
def inputNode_fun(inputNode, in_ports):
pass
def outNode_fun(outNode, out_ports):
pass
self._make_sub_graph_connection(task_graphh, inputNode_fun,
outNode_fun)
ids_in_graph = []
in_ports = []
out_ports = []
for t in task_graphh:
node_id = t.get('id')
if node_id != '':
node = task_graphh[node_id]
all_ports = node.ports_setup()
for port in all_ports.inports.keys():
in_ports.append(node_id + '.' + port)
for port in all_ports.outports.keys():
out_ports.append(node_id + '.' + port)
ids_in_graph.append(node_id)
json['properties']['input']['items']['enum'] = in_ports
json['properties']['output']['items']['enum'] = out_ports
json['properties']['subnode_ids']['items']['enum'] = ids_in_graph
if 'subnode_ids' in self.conf:
for subnodeId in self.conf['subnode_ids']:
if subnodeId in task_graphh:
nodeObj = task_graphh[subnodeId]
schema = nodeObj.conf_schema()
json['properties']["subnodes_conf"]['properties'][
subnodeId] = {
"type": "object",
"properties": {
"conf": schema.json
}
}
ui["subnodes_conf"].update(
{subnodeId: {
'conf': schema.ui
}})
out_schema = ConfSchema(json=json, ui=ui)
cache_schema[cache_key] = out_schema
return out_schema