Pass instance variable of Parent to Inner class as parameter of function

Question

At FactsheetExporter I have data instance variable. I need to pass data as instance variable to Parameter class but have no ideas how. Do you know how to make it?

class FactsheetExporter:
    def __init__(self):
        self.data = {somedata...}

class Parameter:
    def __init__(self):
        self.data = data

    def compute(self):
        do_stuff(self.data)
        # do data stuff...

class PortfolioFactsheetExporter(FactsheetExporter):
    class Meta(FactsheetExporter.Meta):
        name = "export_portfolio_factsheets"
        entities = Parameter()

You use the word "metaclass" in your title, but there are no metaclasses in your code. There is a class named Meta. What is that supposed to do? The desired relationships between these classes aren't exactly clear. Could you describe exactly what those relationships should be? — Patrick Haugh
– Patrick Haugh, Commented Nov 19, 2018 at 20:33

Jim Todd · Accepted Answer · 2018-11-19 20:23:57Z

1

data here is an instance variable of class FactsheetExporter. So, you have to send the instance of FactsheetExporter to Parameter in order to be able to access data.

class FactsheetExporter:
    def __init__(self):
        self.data = {somedata...}

class Parameter(FactsheetExporter):
    def compute(self,FactsheetExporter_var):
         data = FactsheetExporter_var.data
         # do data stuff...


object1 = FactsheetExporter()
#Object1 should be passed to Parameter in order for it to be able to access data variable
object2 = Parameter(object1)
object2.compute(value_for_data)

answered Nov 19, 2018 at 20:23

Jim Todd

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1 Comment

Artem Dumanov Over a year ago

Thank you. But I can't kick out PortfolioFactsheetExporter class

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