[Tutor] array('c')

[Ian D]

Thanks

> To: tutor at python.org
> From: breamoreboy at yahoo.co.uk
> Date: Thu, 1 May 2014 16:40:54 +0100
> Subject: Re: [Tutor] array('c')
> 
> On 01/05/2014 15:38, Ian D wrote:
> > Hi
> >
> > I have this part of code and am unsure as to the effect of the array('c') part.
> >
> > Is it creating an array and adding 'c' as its first value?
> >
> > This does not seem to be the case.
> >
> > Thanks
> >
> > n = len(cmd)
> >         a = array('c')
> >         a.append(chr((n>> 24) & 0xFF))
> >         a.append(chr((n>> 16) & 0xFF))
> >         a.append(chr((n>>  8) & 0xFF))
> >         a.append(chr(n & 0xFF))
> >         scratchSock.send(a.tostring() + cmd) 		 	   		
> 
> The 'c' is actually a type code see 
> https://docs.python.org/2/library/array.html#module-array but note that 
> this does *NOT* exist in Python 3.
> 
> -- 
> My fellow Pythonistas, ask not what our language can do for you, ask 
> what you can do for our language.
> 
> Mark Lawrence
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