[Tutor] Creating an Identifier or Object Name from a String?

Hazlett, Les les.hazlett at navteq.com
Sat Feb 10 19:58:19 CET 2007


I read the information at http://mail.python.org/mailman/listinfo/tutor
but am still not sure how to properly send a question.  Will I get an
email response without joining the list?  

Thanks for any help.



I thought when I read the 2002 thread with the subject (Creating an
Identifier or Object Name from a String?), that I had found a solution
to my problem.  But, I can't make the concept work for creating an
object identifier.  


	class nsf(object):
	    # name = ''
	    def __init__(self, id):
	        self.name = id 
	# main
	Ireland = nsf('Ireland')


	class nsf(object):
	    # name = ''
	    def __init__(self, id):
	        self.name = id 
	# main
	cmdstr = "Ireland = nsf('Ireland')"


I get an error saying the following

  File "(string)", line 1
      Ireland = nsf('Ireland')
SyntaxError: invalid syntax


For reference the thread message that I am referring to is:

Gregor Lingl wrote:

	I Tried it and it worked (?!)
	Python 2.2c1 (#27, Dec 14 2001, 13:15:16) [MSC 32 bit (Intel)]
on win32
	Type "copyright", "credits" or "license" for more information.
	IDLE 0.8 -- press F1 for help
	>>> class K:
	>>> field1 = K()
	>>> field2 = K()
	>>> field3 = K()
	>>> for ct in range(1,4):
	>>> field1.text
	['a', 'b', '1']
	>>> field2.text
	['a', 'b', '2']
	>>> field3.text
	['a', 'b', '3']

What he did also works for me. Bur, I have tried many ways to use the
same idea for creating an object identifier.  I haven't found a way yet.




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