[Ironpython-users] bytearray comparison failure

Daniel Fernandez fernandez_dan2 at hotmail.com
Mon Aug 18 22:50:20 CEST 2014


HI All,
Thanks Alex that was a duh moment for me there. 
I see the issue the code use the as the operator trying to convert to IList<byte>. I simple check if the type is string then convert it to bytes. It works now
Here is the snippet
public override bool Equals(object other) {            IList<byte> bytes ;            if (other is string)                bytes = PythonOps.MakeBytes(((string)other).MakeByteArray());            else if (other is Extensible<string>)                bytes = PythonOps.MakeBytes(((Extensible<string>)other).Value.MakeByteArray());            else                bytes = other as IList<byte>;

it works now below. 

Dany
Date: Mon, 18 Aug 2014 12:49:04 -0700
Subject: Re: [Ironpython-users] bytearray comparison failure
From: slide.o.mix at gmail.com
To: fernandez_dan2 at hotmail.com
CC: ironpython-users at python.org

ByteArray.cs the Equals method.

On Mon, Aug 18, 2014 at 11:50 AM, Daniel Fernandez <fernandez_dan2 at hotmail.com> wrote:




Hi All,
I ran into an issue comparing bytearray with a string value. I created an issue 35470 on codeplex. The code snippet that can reproduce the issue is
x = bytearray(b'Danny')y = 'Danny'
x == y

IronPython 2.7.5b3 this is False and CPython 2.7.8 is True. 

My question is where in the IronPython code does this happen equality operation occur with different types? I tried to follow it and simple got lost in the maze.  I thought it would occur in the StringOps.Equals but that didn't happen. I tried putting break points all over the place but no luck.

Thanks

Danny



 		 	   		  

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