mirror of
https://github.com/OpenSPG/openspg.git
synced 2025-07-29 20:12:52 +00:00
94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2023 Ant Group CO., Ltd.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
|
|
# in compliance with the License. You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software distributed under the License
|
|
# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
|
|
# or implied.
|
|
from typing import Union, Type, List
|
|
|
|
import networkx as nx
|
|
|
|
from knext import rest
|
|
|
|
from knext.common.restable import RESTable
|
|
from knext.common.runnable import Runnable
|
|
|
|
|
|
class Chain(Runnable, RESTable):
|
|
|
|
dag: nx.DiGraph
|
|
|
|
def invoke(self, input=None, **kwargs):
|
|
from knext.chain.builder_chain import BuilderChain
|
|
return BuilderChain.from_chain(self).invoke(**kwargs)
|
|
|
|
@property
|
|
def upstream_types(self) -> Type['RESTable']:
|
|
return self.first.upstream_types
|
|
|
|
@property
|
|
def downstream_types(self) -> Type['RESTable']:
|
|
return self._last.downstream_types
|
|
|
|
@classmethod
|
|
def from_rest(cls, node: rest.Node):
|
|
pass
|
|
|
|
def submit(self):
|
|
raise ValueError("Not support yet.")
|
|
|
|
def __rshift__(
|
|
self,
|
|
other: Union[
|
|
Type["Chain"],
|
|
List[Type["Chain"]],
|
|
Type["Component"],
|
|
List[Type["Component"]],
|
|
None,
|
|
],
|
|
):
|
|
from knext.component.base import Component
|
|
|
|
if not other:
|
|
return self
|
|
if not isinstance(other, list):
|
|
other = [other]
|
|
dag_list = []
|
|
for o in other:
|
|
if not o:
|
|
dag_list.append(o.dag)
|
|
if isinstance(o, Component):
|
|
end_nodes = [
|
|
node
|
|
for node, out_degree in self.dag.out_degree()
|
|
if out_degree == 0 or node._last
|
|
]
|
|
dag = nx.DiGraph(self.dag)
|
|
if len(end_nodes) > 0:
|
|
for end_node in end_nodes:
|
|
dag.add_edge(end_node, o)
|
|
dag.add_node(o)
|
|
dag_list.append(dag)
|
|
elif isinstance(o, Chain):
|
|
combined_dag = nx.compose(self.dag, o.dag)
|
|
end_nodes = [
|
|
node
|
|
for node, out_degree in self.dag.out_degree()
|
|
if out_degree == 0 or node._last
|
|
]
|
|
start_nodes = [
|
|
node for node, in_degree in o.dag.in_degree() if in_degree == 0
|
|
]
|
|
|
|
if len(end_nodes) > 0 and len(start_nodes) > 0:
|
|
for end_node in end_nodes:
|
|
for start_node in start_nodes:
|
|
combined_dag.add_edge(end_node, start_node)
|
|
final_dag = nx.compose_all(dag_list)
|
|
return Chain(dag=final_dag)
|