KWallet wrapper for git credential helper

git-credential-kwallet.py

#!/usr/bin/env python3
from sys import stdin, argv
import subprocess
import json

if len(argv) != 2:
    print("Usage: " + argv[0] + " <action: get|store>")
    exit(1)

action = argv[1]
known = {}

while True:
    line = stdin.readline().strip().split('=')
    if len(line) != 2:
        break
    known[line[0]] = line[1]

if argv[1] == 'get':
    url = 'py_' + known['protocol'] + '://' + known['host']
    shell = ['kwallet-query', '-f', 'git', '-r', url, 'kdewallet']
    command = subprocess.Popen(
        shell, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
    output, errors = command.communicate()
    output = output.decode('utf-8').strip()

    if not output.startswith('Failed'):
        result = json.loads(output)
        print('username=' + result['username'])
        print('password=' + result['password'])

if argv[1] == 'store':
    j = json.dumps({
        'username': known['username'],
        'password': known['password']
    })
    print(j)
    url = 'py_' + known['protocol'] + '://' + known['host']
    shell = ['kwallet-query', '-f', 'git', '-w', url, 'kdewallet', '-v']
    command = subprocess.Popen(
        shell, stdin=subprocess.PIPE, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, text=True)
    output, errors = command.communicate(input=j)