DeBug Python 工具PySnooper

安装命令：

#不知为何 conda安装不行 0.0
#pip install pysnooper
pip3 install pysnooper

Test

import pysnooper
#这句放在要测试的函数前，乱放会报错
@pysnooper.snoop()
def print_test(n):
    for i in range(n):
        print('now is:' ,i)
print_test(5)

'''
输出：
now is: 0
now is: 1
now is: 2
now is: 3
now is: 4
Starting var:.. n = 5
19:00:28.035357 call        11 def print_test(n):
19:00:28.035830 line        12     for i in range(n):
New var:....... i = 0
19:00:28.036822 line        13         print('now is:' ,i)
19:00:28.038807 line        12     for i in range(n):
Modified var:.. i = 1
19:00:28.039328 line        13         print('now is:' ,i)
19:00:28.040790 line        12     for i in range(n):
Modified var:.. i = 2
19:00:28.040790 line        13         print('now is:' ,i)
19:00:28.040790 line        12     for i in range(n):
Modified var:.. i = 3
19:00:28.040790 line        13         print('now is:' ,i)
19:00:28.040790 line        12     for i in range(n):
Modified var:.. i = 4
19:00:28.040790 line        13         print('now is:' ,i)
19:00:28.041322 line        12     for i in range(n):
19:00:28.041322 return      12     for i in range(n):
Return value:.. None
'''