Python3 super not initializing init attributes

Question

I have the following code snippet:

class BaseUserAccount(object):
    def __init__(self):
        accountRefNo = "RefHDFC001"
        FIType = "DEPOSIT"
        pan = "AFF34964FFF"
        mobile = "9822289017"
        email = "[email protected]"
        aadhar = "5555530495555"


class TestUserSavingsAccount(BaseUserAccount):
    def __init__(self):
        super().__init__()
        accountNo = "HDFC111111111111"
        accountTypeEnum = "SAVINGS"

    def test_create_account(self):
        request_body = """\
            <UserAccountInfo>
                <UserAccount accountRefNo="{}" accountNo="{}"
                accountTypeEnum="{}" FIType="{}">
                    <Identifiers pan="{}" mobile="{}" email="{}" aadhar="{}"></Identifiers>
                </UserAccount>
            </UserAccountInfo>
        """.format(self.accountRefNo, self.accountNo, self.accountTypeEnum,
                self.FIType, self.pan, self.mobile, self.email, self.aadhar)

If I run this code in the interactive shell:

>>> t = TestUserSavingsAccount()
>>> t.accountRefNo
AttributeError: 'TestUserSavingsAccount' object has no attribute 'accountRefNo'
>>> t.accountNo
AttributeError: 'TestUserSavingsAccount' object has no attribute 'accountNo'

Seeing the above behavior, it seems like the super is neither setting up values from the base class and neither the attributes of the child (accountNo, accountTypeEnum) are being set.

blhsing · Accepted Answer · 2018-07-16 09:15:03Z

2

The way you wrote only assign those values to local variables. You need to initialize attributes of the self object instead:

class BaseUserAccount(object):
    def __init__(self):
        self.accountRefNo = "RefHDFC001"
        self.FIType = "DEPOSIT"
        self.pan = "AFF34964FFF"
        self.mobile = "9822289017"
        self.email = "[email protected]"
        self.aadhar = "5555530495555"


class TestUserSavingsAccount(BaseUserAccount):
    def __init__(self):
        super().__init__()
        self.accountNo = "HDFC111111111111"
        self.accountTypeEnum = "SAVINGS"

answered Jul 16, 2018 at 9:15

blhsing

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