python - 将值传递给另一个 python 模块

Question

我正在运行脚本python test.py ab_mr1，输出应该是"ab_mr1"for branch_name，但它打印为 emtpy 值，知道为什么吗？

test1.py：

import os
import sys

import test

def main():
    ScriptDir = os.getcwd()
    print ScriptDir
    BranchName  = sys.argv[1]
    print "BranchName"
    print BranchName
    #Update input file with external gerrits, if any
    print "Before running test1"
    test.main(BranchName) # here I am passing the variable
    print "After running test1"

if __name__ == '__main__':
    main()

test.py：

branch_name=''
def main(branch_name):
    print('In test.py, the value is: {0}', branch_name)
if __name__ == '__main__': # need this
    main(branch_name)

电流输出：

('In test.py, the value is: {0}', '')

预期输出：

('In test.py, the value is: {0}', 'ab_mr1')

Answer 1

你糊涂了。你在跑test.py，不是 test1.py。

运行test1.py让它调用test.main()。因为您正在运行test.py，所以它的__main__块正在运行并且branch_name是一个空字符串。

您的代码可以正常工作：

$ python test1.py ab_mr1
/private/tmp
BranchName
ab_mr1
Before running test1
('In test.py, the value is: {0}', 'ab_mr1')
After running test1