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Top Forums Programming What is wrong with below python inheritance code? Post 303020555 by Tanu on Monday 23rd of July 2018 06:14:29 AM
Old 07-23-2018
What is wrong with below python inheritance code?

I am using python 3.4. Below is the exception I am getting-

Code:
Traceback (most recent call last):
  File "./oop.py", line 20, in <module>
    y = DerivedClass("Manu")
  File "./oop.py", line 15, in __init__
    super().__init__(self,value)
TypeError: __init__() takes 2 positional arguments but 3 were given

Code:
class Test:
    class_var = 100   # class attribute
    x = "Anu"            # class attributes

    def __init__(self,value):
        self.value = value

    def normal_function(self):
        return self.value

class DerivedClass(Test):
    def __init__(self,value):
        super().__init__(self,value)    #inheriting base class constructor
        print(self.value*2)

if __name__ == "__main__":
    test_obj = Test("Priya")

 

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Test::Inline::Content::Legacy(3pm)			User Contributed Perl Documentation			Test::Inline::Content::Legacy(3pm)

NAME
Test::Inline::Content::Legacy - Test::Inline 2 Content Handler for legacy functions SYNOPSIS
Custom script content generation using Test::Inline 2.000+ with a custom generator functions my $header = "...."; my $function = sub { my $Object = shift; my $Script = shift; return $header . $Script->merged_content; }; my $Inline = Test::Inline->new( ... file_content => $function, ); Migrating this same code to Test::Inline 2.100+ ContentHandler objects my $header = "...."; my $function = sub { my $Object = shift; my $Script = shift; return $header . $Script->merged_content; }; my $ContentHandler = Test::Inline::Content::Legacy->new( $function ); my $Inline = Test::Inline->new( ... ContentHandler => $ContentHandler, ); DESCRIPTION
This class exists to provide a migration path for anyone using the custom script generators in Test::Inline via the "file_content" param. The synopsis above pretty much says all you need to know. METHODS
new $CODE_ref The "new" constructor for "Test::Inline::Content::Legacy" takes a single parameter of a "CODE" reference, as you would have previously provided directly to "file_content". Returns a new "Test::Inline::Content::Legacy" object, or "undef" if not passed a "CODE" reference. coderef The "coderef" accessor returns the "CODE" reference for the object process $Inline $Script The "process" method works with the legacy function by passing the Test::Inline and Test::Inline::Script arguments straight through to the legacy function, and returning it's result as the return value. SUPPORT
See the main SUPPORT section. AUTHOR
Adam Kennedy <adamk@cpan.org>, <http://ali.as/> COPYRIGHT
Copyright 2004 - 2010 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.12.4 2010-11-22 Test::Inline::Content::Legacy(3pm)
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