Wallet.py 文件源码

def __init__(self):
        """ Constructor. """
        output = pexpect.run('electrum listaddresses')
        print(output)
        pattern = re.compile(r'\[\W*"[A-z0-9]+"\W*\]') #the specific output for electrum if 1 adress exists

        print(pattern.search(output))

        if(pattern.search(output)):
            #if a wallet exists, initialize that one
            print('using already existing wallet')
        else:
            self._create_wallet()
        subprocess.call(['electrum', 'daemon', 'start'])