235 lines
5.5 KiB
Python
235 lines
5.5 KiB
Python
import functools
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def params_check(params_index):
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"""
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参数校验
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Parameters:
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params_index: 参数顺序下标
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Returns:
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1.若参数中有None或除法计算分母为0 返回None
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2.通过检验 返回func
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"""
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def decorator(func):
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@functools.wraps(func)
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def internal(*args, **kwargs):
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# 检查参数中有没有None
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if None in args:
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return None
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# 检查分母是否为0
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if sum([args[index] for index in params_index]) == 0:
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return None
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return func(*args, **kwargs)
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return internal
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return decorator
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@params_check([1, 2])
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def roe(param1, param2, param3):
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"""
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ZH: 净资产收益率
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EN: Return Of Equity
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Parameters:
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param1 - float 净利润
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param2 - float 所有者权益合计（当期）
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param3 - float 所有者权益合计（上期）
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Returns:
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value - float 净资产收益率
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"""
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value = param1 / (param2 + param3) * 2 * 100
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value = round(value, 2)
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return value
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@params_check([2, 3])
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def roa(param1, param2, param3, param4):
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"""
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ZH: 总资产报酬率
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EN: Return Of Assets
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Parameters:
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param1 - float 利润总额
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param2 - float 利息支出
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param3 - float 资产总计（当期）
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param4 - float 资产总计（上期）
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Returns:
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value - float 总资产报酬率
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"""
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value = (param1 + param2) / (param3 + param4) * 2 * 100
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value = round(value, 2)
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return value
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@params_check([1, 2])
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def tat(param1, param2, param3):
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"""
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ZH: 总资产周转率
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EN: Total Assets Turnover
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Parameters:
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param1 - float 营业收入
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param2 - float 资产总计（当期）
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param3 - float 资产总计（上期）
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Returns:
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value - float 总资产周转率
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"""
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value = param1 / (param2 + param3) * 2 * 100
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value = round(value)
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return value
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@params_check([1])
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def acrt(param1, param2):
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"""
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ZH: 应收账款周转速度
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EN: Accounts Receivable Turnover Speed
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Parameters:
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param1 - float 营业收入
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param2 - float 应收账款
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Returns:
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value - float 应收账款周算速度
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"""
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value = round(param1 / param2, 2)
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return value
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@params_check([1, 2])
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def ivtt(param1, param2, param3):
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"""
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ZH: 存货周转率
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EN: Inventory Turnover
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Parameters:
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param1 - float 营业成本
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param2 - float 存货（当期）
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param3 - float 存货（上期）
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Returns:
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value - 存货周转率
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"""
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if param2 + param3 == 0:
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return None
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else:
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value = param1 / (param2 + param3) * 2
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value = round(value, 2)
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return value
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@params_check([1])
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def dbar(param1, param2):
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"""
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ZH: 资产负债率
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EN: Debt Asset Ratio
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Parameters:
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param1 - float 负债合计
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param2 - float 资产总计
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Returns:
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value - float 资产负债率
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"""
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if param2 == 0:
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return None
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else:
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value = round(param1 / param2 * 100, 2)
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return value
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def icm(param1, param2, param3, param4, param5):
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"""
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ZH: 利息保障倍数
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EN: Interest Cover Multiplier
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Parameters:
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param1 - float 利润总额
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param2 - float 计入财务费用的利息支出
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param3 - float 资本化利息支出
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param4 - float 短期借款
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param5 - float 长期借款
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Returns:
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value - float 利息保障倍数
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"""
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if (param2 + param3) == 0 and (param4 + param5) != 0:
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value = param1 / (param4 * 0.043 + param5 * 0.049)
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value = round(value, 2)
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return value
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elif (param2 + param3) > 0:
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value = (param1 + param2) / (param2 + param3)
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value = round(value, 2)
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return value
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else:
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return None
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@params_check([2])
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def qkr(param1, param2, param3):
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"""
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ZH: 速动比率
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EN: Quick Ratio
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Unit: %
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Parameters:
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param1 - float 流动资产合计
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param2 - float 存货
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param3 - float 流动负债合计
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Returns:
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value - float 速动比率
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"""
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if param3 == 0:
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return None
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else:
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value = (param1 - param2) / param3
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value = round(value, 2)
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return value
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@params_check([1])
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def bgr(param1, param2):
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"""
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ZH: 营业增长率
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EN: Business Growth Rate
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Unit: %
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Parameters:
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param1 - float 期末营业收入
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param2 - float 期初营业收入
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Returns:
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value - float 营业增长率
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"""
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if param2 == 0:
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return None
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else:
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value = (param1 - param2) / param2 * 100
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value = round(value, 2)
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return value
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@params_check([1])
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def tagr(param1, param2):
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"""
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ZH: 总资产增长率
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EN: Total Assets Growth Rate
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Unit: %
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Parameters:
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param2 - float 期末资产总计
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param3 - float 期初资产总计
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Returns:
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value - float 总资产增长率
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"""
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if param2 == 0:
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return None
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else:
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value = (param1 - param2) / param2 * 100
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value = round(value, 2)
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return value
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@params_check([1])
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def tio(param1, param2):
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"""
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ZH: 技术投入比率
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EN: Technology Input-Output Ratio
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Unit: %
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Parameters:
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param1 - float 研发费用
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param2 - float 营业收入
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Returns:
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value - type 技术投入比率
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"""
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if param2 == 0:
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return None
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else:
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value = round(param1 / param2 * 100, 2)
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return value
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