[Pyobjc-dev] In and out of NSData

[Bob I. <bo...@re...>]

I was just toying around with pyobjc today and I ran across a few 
stumbling blocks..  the NSString <-> str bridge doesn't work for raw 
data (stuff with characters > 128).  Which is ok, because you can get 
around it with something like this (took me a few minutes of wandering 
the list archives):

from Foundation import *
import array
s = '\xFF'
b = array.array('B')
b.fromstring(s)
data = NSData.alloc().initWithBytes_length_(b, len(b))
print data

Which is ok, and works fine.  But how the heck do you do the opposite 
(short of writing to a tempfile)?  I can get an ObjCPointer to 
mutableData or the like, but there aren't any useful methods in it 
because I can't use python to read data from a pointer (unless there's 
some sketchy stuff in objc that I haven't found yet).

-bob