[Python-Dev] New string method - splitquoted (original) (raw)

Dave Cinege dcinege-mlists-dated-1148357217.fc23eb at psychosis.com
Thu May 18 06:06:51 CEST 2006

Very often....make that very very very very very very very very very often, I find myself processing text in python that when .split()'ing a line, I'd like to exclude the split for a 'quoted' item...quoted because it contains whitespace or the sep char.

For example:

s = ' Chan: 11 SNR: 22 ESSID: "Spaced Out Wifi" Enc: On'

If I want to yank the essid in the above example, it's a pain. But with my new dandy split quoted method, we have a 3rd argument to .split() that we can spec the quote delimiter where no splitting will occur, and the quote char will be dropped:

s.split(None,-1,'"')[5]
'Spaced Out Wifi'

Attached is a proof of concept patch against Python-2.4.1/Objects/stringobject.c that implements this. It is limited to whitespace splitting only. (sep == None)

As implemented the quote delimiter also doubles as an additional separator for the spliting out a substr.

For example: 'There is"no whitespace before these"quotes'.split(None,-1,'"') ['There', 'is', 'no whitespace before these', 'quotes']

This is useful, but possibly better put into practice as a separate method??

Comments please.

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