python读取文件并按属性取值

python读取文件并按属性取值

定义类，使得传入的值后续可以通过属性取出

class sepByAttr:  # 自定义的元素
    def __init__(self, (thk_dowm, thk_up, rangeSpc, minWorkSpc, impBaseComp, baseLineComp)):
        self.thk_dowm = float(thk_dowm)
        self.thk_up = float(thk_up)
        self.rangeSpc = rangeSpc
        self.minWorkSpc = float(minWorkSpc)
        self.impBaseComp = float(impBaseComp) if impBaseComp != 'None' else 0
        self.baseLineComp = float(baseLineComp) if baseLineComp != 'None' else 0

文件示例 test1.txt

0.6	0.8	1.6<=B<=1.8	1.4	0.8	0.2
0.8	1.2	1.8<B<=2.3	1.6	1	0.2

应用

import os
if os.path.exists('test1.txt'):
    f = open('test1.txt')
    comp_data_sec1 = map(lambda x: x.strip().split("\t"), f.readlines())
    comp_data_sec1 = [sepByAttr(x) for x in comp_data_sec1]
comp_val = ''
for line in comp_data_sec1:
	if line.thk_down < 0.9 < line.thk_up:
		comp_val = line.impBaseComp