One trick... try avoid having 'l 1' and '0 o O' because depending on the font you use they can be confused. It may also be a good idea to only use upper case and numbers.
chars = 'ABCDEFGHIJKLMNPQRSTUVWXYZ12345678" or chars = 'abcdefghijkmnpqrstuvwxyz23456789" and ''.join(random.choice(chars) for letter in xrange(8)) On Apr 29, 11:07 am, Julio Schwarzbeck <[email protected]> wrote: > Try this: > > import random > import string > print ''.join(random.choice(string.ascii_letters + string.digits) for > letter in xrange(8)) > > Output: > > >>> print ''.join(random.choice(string.ascii_letters + string.digits) for > >>> letter in xrange(8)) > MRWFo6Fv > >>> print ''.join(random.choice(string.ascii_letters + string.digits) for > >>> letter in xrange(8)) > yiHlYvFj > >>> print ''.join(random.choice(string.ascii_letters + string.digits) for > >>> letter in xrange(8)) > > ugYaozlO > > Obviously since the "sample" is so small there is a (rather large) > probability that you could get dupes, I'd suggest you increase the > length of your string in any case. > > Cheers. > > julio > > On Apr 29, 8:29 am, Jason Brower <[email protected]> wrote: > > > > > > > > > I want to make a unique set of chars that people can't just figure out > > what they are for. The reason for this is to create unique barcodes for > > ticket validation when entiring a conference using my software. This > > unique letter numb combo would be in a 2d barcode and it entered using a > > restful interface. > > I am hoping ticket validation would be with an 8 digit string and > > nametags would use something similar for their individual identification > > with a 4 digit string. Both will be turned into datamatrix codes that > > will be appended to web addresses. For example,http://iid.me/A123a567 > > orhttp://iid.me/9F4donewould be for validating the ticket, the other > > would be for various perposed depending on who uses it. > > Best Regards, > > Jason Brower
