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

Vinay Sajip vinay_sajip at yahoo.co.uk
Mon Oct 5 12:16:53 CEST 2009

MRAB <python mrabarnett.plus.com> writes:

>>> "{0:#08x}".format(0x1234) '0x001234'

Good call, but here's another case:

"%#o" % 0x1234 '011064'

I don't see how to automatically convert the "%#o" spec, though of course there are ways of fudging it. The obvious conversion doesn't give the same value:

"{0:#o}".format(0x1234) '0o11064'

I couldn't see a backward-compatibility mode for str.format generating just a leading "0" for octal alternative format (the C style) as opposed to "0o".

Regards,

Vinay Sajip

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