传递国家代码作为命令行参数输入

Question

I have a program that gets the code of a country with raw_input() and then send an email based on it.

My code is:

import pandas as pd

import pymysql

import sys

data=pd.read_CVS("filename")

country=raw_input("country name : ")

print("country name is :",sys.argv[1])

for index in data['emailid']:

    mail= index.split('@')[1]
    if(country == 'US'):
        if (mail=='yahoo.com'):
            print index
    elif(country == 'UK'):
        if(mail=='yahoo.com' or mail=='yahoo.co.uk'):
            print index

I want to change it to send the country code as command line argument input.

Example:

python programname.py 'UK'

and the related email ids as output.

Answer 1

raw_input reads from standard input whereas sys.argv is the list of command line arguments. So if you want to use command line to pass in the country code, just delete the line containing raw_input and let country be sys.argv[1] .

Answer 2

you should try argparse module,

import argparse

parser = argparse.ArgumentParser(description='Example with non-optional arguments')    
parser.add_argument('country')  
args = parser.parse_args()
country = args.country