70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
"""
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利息保障倍数
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"""
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from fastapi import APIRouter, HTTPException
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from pydantic import BaseModel
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from Common.schemas import IndicatorDescription
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router = APIRouter()
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# 指标描述
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ENAME = "interest_protection_multiples"
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CNAME = "利息保障倍数"
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NATURE = "定量"
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CATEGORY = "偿债能力"
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DESCRIPTION = "利息保障倍数 = （利润总额 + 计入财务费用的利息支出） / (计入财务费用的利息支出 + 资本化利息支出)"
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# 参数描述
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PARAM1_ENAME = "total_profit"
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PARAM1_CNAME = "利润总额"
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PARAM1_DESCR = "利润表-利润总额"
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PARAM2_ENAME = "interest_expense_included_in_finance_expenses"
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PARAM2_CNAME = "计入财务费用的利息支出"
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PARAM2_DESCR = "利润表-营业总成本-财务费用-利息费用"
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PARAM3_ENAME = "capitalized_interest_expense"
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PARAM3_CNAME = "资本化利息支出"
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PARAM3_DESCR = "利润表-营业总成本-其他业务成本-利息支出"
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# 输入参数
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class Parameter(BaseModel):
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total_profit: float = "利润总额"
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interest_expense_included_in_finance_expenses: float = "计入财务费用的利息支出"
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capitalized_interest_expense: float = "资本化利息支出"
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# 计算接口
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@router.post("/{}/".format(ENAME), tags=[CATEGORY], summary=CNAME, description=DESCRIPTION)
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def calculation(parameter: Parameter):
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try:
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result = (parameter.total_profit + parameter.interest_expense_included_in_finance_expenses) / (parameter.interest_expense_included_in_finance_expenses + parameter.capitalized_interest_expense)
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return round(result, 6)
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except ZeroDivisionError:
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return "+inf"
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except Exception:
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raise HTTPException(status_code=400, detail="Calculate Failed")
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# 描述接口
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@router.get("/{}/description".format(ENAME),
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response_model=IndicatorDescription,
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tags=[CATEGORY], summary=CNAME, description=DESCRIPTION)
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def description():
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body = {
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"ename": ENAME,
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"cname": CNAME,
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"nature": NATURE,
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"category": CATEGORY,
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"description": DESCRIPTION,
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"parameters": [
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{"ename": PARAM1_ENAME, "cname": PARAM1_CNAME, "description": PARAM1_DESCR},
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{"ename": PARAM2_ENAME, "cname": PARAM2_CNAME, "description": PARAM2_DESCR},
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{"ename": PARAM2_ENAME, "cname": PARAM2_CNAME, "description": PARAM2_DESCR}
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],
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}
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return body |