62 lines
1.4 KiB
Python
62 lines
1.4 KiB
Python
from Utils.ErrorUtil import JustThrowError
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def sub_dict(param1, param2):
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"""
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获取字典的子集
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Parameters:
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param1: 原字典
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param2: 子集字段
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Returns:
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子集
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"""
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return dict((key, value) for key, value in param1.items() if key in param2)
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def df_iterrows(param):
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"""
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按行以数组形式返回DataFrame的index、data
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Parameters:
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param: DataFrame 某个df对象
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Returns:
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result: list 遍历df对象每行数据，包括index
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"""
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result = []
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for row in param.iterrows():
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index, data = row
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result.append([index] + data.tolist())
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return result
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def get_attr(_dict_, _keys_, **kwargs):
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"""
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获取字典属性值
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若发生了键值异常或类型异常,则返回设置的默认值
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若没有默认值,则返回None
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"""
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value = kwargs['default'] if kwargs.__contains__('default') else None
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try:
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text = "_dict_"
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for _key_ in _keys_:
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text = text + "['{}']".format(_key_)
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value = eval(text)
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except KeyError:
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pass
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except TypeError:
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pass
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return value
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def trans_fields_name(_dict_, names1, names2):
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"""
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替换字典键值名称
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_dict_: 替换字典
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names1: 原字典键值
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names2: 新字典键值
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"""
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for i in range(len(names1)):
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_dict_[names2[i]] = _dict_.pop(names1[i])
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return _dict_
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