Parsing a dictionary from a format string
Ian Kelly
ian.g.kelly at gmail.com
Mon Jun 20 15:34:46 EDT 2011
On Mon, Jun 20, 2011 at 12:14 PM, Tim Johnson <tim at johnsons-web.com> wrote:
> Currently using python 2.6, but am serving some systems that have
> older versions of python (no earlier than.
> Question 1:
> With what version of python was str.format() first implemented?
2.6
> Question 2:
> Given the following string:
> S = 'Coordinates: {latitude}, {longitude}'
> Is there a python library that would provide an optimal way
> to parse from S the following
> {'latitude':"",'longitude':""}
> ?
import re
match = re.match('^Coordinates: (.+), (.+)$', S)
if match:
data = {'latitude': match.group(1), 'longitude': match.group(2)}
Or you could use string methods and slicing to extract the figures,
which would be faster than the regular expression machinery.
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