the meaning of the instruction

Question

I found this code in sqlmap project https://github.com/sqlmapproject/sqlmap/blob/master/lib/core/datatype.py .

I don't understand the meaning of calling the constructor AttribDict.__init__(self)

class InjectionDict(AttribDict):
    def __init__(self):
        AttribDict.__init__(self)

        self.place = None
        self.parameter = None
        self.ptype = None
        self.prefix = None
        self.suffix = None
        self.clause = None

        # data is a dict with various stype, each which is a dict with
        # all the information specific for that stype
        self.data = AttribDict()

        # conf is a dict which stores current snapshot of important
        # options used during detection
        self.conf = AttribDict()

        self.dbms = None
        self.dbms_version = None
        self.os = None

score 1 · Accepted Answer · answered Aug 23 '14 at 15:28

1

The InjectionDict class is a subclass, the base class it inherets from is AttribDict. That's what this syntax means

class InjectionDict(AttribDict):

Then in InjectDict's __init__ method, they are calling the base class's __init__ method first, before doing the rest of the subclass specific __init__ work.

AttribDict.__init__(self)

See this post for a more thorough explanation of what this behavior is used for.

answered Aug 23 '14 at 15:28

Cory Kramer

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Yes, almost exactly like that. – Cory Kramer Aug 23 '14 at 15:29
Not only like super in java, but python new style classes) has this syntax too: so instead of the line you asked about you can write: ```super(InjectionDict, self).__init__(self)``` – alonisser Aug 23 '14 at 17:29

the meaning of the instruction

1 Answers1