agent/component/switch.py

#
# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
#
# 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.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from abc import ABC

import pandas as pd
from agent.component.base import ComponentBase, ComponentParamBase


class SwitchParam(ComponentParamBase):

 """
 Define the Switch component parameters.
 """
 def __init__(self):
 super().__init__()
 """
 {
 "cpn_id": "categorize:0",
 "not": False,
 "operator": "gt/gte/lt/lte/eq/in",
 "value": "",
 "to": ""
 }
 """
 self.conditions = []
 self.default = ""

 def check(self):
 self.check_empty(self.conditions, "[Switch] conditions")
 self.check_empty(self.default, "[Switch] Default path")
 for cond in self.conditions:
 if not cond["to"]: raise ValueError(f"[Switch] 'To' can not be empty!")

 def operators(self, field, op, value):
 if op == "gt":
 return float(field) > float(value)
 if op == "gte":
 return float(field) >= float(value)
 if op == "lt":
 return float(field) < float(value)
 if op == "lte":
 return float(field) <= float(value)
 if op == "eq":
 return str(field) == str(value)
 if op == "in":
 return str(field).find(str(value)) >= 0
 return False


class Switch(ComponentBase, ABC):
 component_name = "Switch"

 def _run(self, history, **kwargs):
 for cond in self._param.conditions:
 input = self._canvas.get_component(cond["cpn_id"])["obj"].output()[1]
 if self._param.operators(input.iloc[0, 0], cond["operator"], cond["value"]):
 if not cond["not"]:
 return pd.DataFrame([{"content": cond["to"]}])

 return pd.DataFrame([{"content": self._param.default}])