读取从批处理文件传递到 python 脚本的字符串参数

Question

I have seen multiple posts on passing the string but not able to find good solution on reading the string passed to python script from batch file. Here is my problem.

I am calling python script from batch file and passing the argument.

string_var = "123_Asdf"

bat 'testscript.py  %string_var%'

I have following in my python code.

import sys

passed_var = sys.argv[1]

When I run the above code I always see below error.

passed_var = sys.argv[1]
IndexError: list index out of range

Has anyone seen this issue before? I am only passing string and expect it to be read as part of the first argument I am passing to the script.

Answer 1

Try this:

import sys
for x,parameter in enumerate(sys.argv):
    print(x, parameter)

Answer 2

If I have read your question and its formatting correctly, I think your .bat file should read:

Set string_var="123_Asdf"
"D:\BuildTools\tools\python27\python.exe" testscript.py %string_var%

Or better still:

Set "string_var=123_Asdf"
"D:\BuildTools\tools\python27\python.exe" testscript.py "%string_var%"

Where %string_var% can be passed with or without its enclosing doublequotes.

Answer 3

你的批处理文件应该更简单一些，确保你的 PATH 设置正确，否则这将不起作用。

python testscript.py [argument]