[Python-Dev] transitioning from % to {} formatting (original) (raw)

Antoine Pitrou solipsis at pitrou.net
Wed Oct 7 19:21:53 CEST 2009


Vinay Sajip <vinay_sajip yahoo.co.uk> writes:

>>> "%0#8x" % 0x1234 '0x001234' >>> "{0:0>#8x}".format(0x1234) '000x1234'

Apart from the sheer unreadability of the {}-style format string, the result looks rather unexpected from a human being's point of view.

(in those situations, I would output the 0x manually anyway, such as:

"0x%06x" % 0x1234 '0x001234' "0x{:06x}".format(0x1234) '0x001234' )

Regards

Antoine.



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