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Re: List of integers

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On Sunday, 13 December 2015 16:33:20 UTC-8, Chris Angelico  wrote:
> On Mon, Dec 14, 2015 at 11:24 AM, KP <> wrote:
> > data = list(f.read(4))
> > print data
> >
> > from a binary file might give
> >
> > ['\x10', '\x20', '\x12', '\x01']
> >
> >
> > How can I receive this instead?
> >
> > [0x10, 0x20, 0x12, 0x01]
> >
> > Thanks for all help!
> 
> Try this:
> 
> data = [ord(x) for x in f.read(4)]
> 
> Note that it won't print out in hexadecimal.
> 
> >>> [0x10, 0x20, 0x12, 0x01]
> [16, 32, 18, 1]
> 
> If you insist on that, try a subclass of int:
> 
> class ord(int):
>     ord = ord
>     def __new__(cls, x):
>         return super().__new__(cls, cls.ord(x))
>     def __repr__(self): return hex(self)
> 
> Then they'll come out in hex.
> 
> ChrisA

Thanks much!

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Thread

List of integers KP <kai.peters@gmail.com> - 2015-12-13 16:24 -0800
  Re: List of integers Chris Angelico <rosuav@gmail.com> - 2015-12-14 11:32 +1100
    Re: List of integers KP <kai.peters@gmail.com> - 2015-12-13 19:11 -0800
  Re: List of integers Terry Reedy <tjreedy@udel.edu> - 2015-12-14 04:56 -0500
    Re: List of integers Steven D'Aprano <steve@pearwood.info> - 2015-12-14 21:37 +1100

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