A python script simplifying multiple QR codes generation out of NymVPN redeem codes csv file.

gen_redeem_qr_codes.py

#!/usr/bin/python3
# Dependencies: qrencode, python3, python3-pandas
# Save by running: wget <raw_url>
# Make executable: chmod u+x <file_name>
# Run: ./<file_name>

import pandas as pd
import sys
import os

csv = input("Insert csv filename (or path/file if the file is in another directory): ")
path = input("Insert path where the QR codes will be saved (without filename) - leave empty if you want to use current directory: ")
qr_size = input("Insert QR code size (reccomended is 2-6): ")

if path == "":
    path = "./"

if path[-1] != "/":
    path = path + "/"

try:
    df = pd.read_csv(f"{csv}")
except FileNotFoundError as e:
    print(e)
    print(f"csv file '{csv}' does not exist! Make sure to insert a correct path and file name.")
    sys.exit(-1)

for index, row in df.iterrows():
    redeem_code = row["redemptionCode"]
    url = f"https://nymvpn.com/en/alpha?code={redeem_code}"
    qren_cmd = f'qrencode -s {qr_size} -l H -o "{path}{redeem_code}.png" "{url}"'
    if os.system(qren_cmd) == 0:
        print(f"QR code saved as {path}{redeem_code}.png")
    else:
        print("Operation failed! Make sure that QR size is a number and that you insert an existing storage path.")