On 01/12/2016 06:21 PM, Angel Herráez wrote:
> Hi all
>
> I am trying to parse some data that is, as far as I can guess, in JSON format
> Data is at http://www.ebi.ac.uk/pdbe/api/pdb/entry/molecules/2k8v
>
> I am trying to do
> f = load("http://www.ebi.ac.uk/pdbe/api/pdb/entry/molecules/2k8v";)
>
> and "print f" shows it
>
> {"2k8v":[{
> "entity_id":1,
> "weight":17801.109,
> etc
>
> Now the question: how to extract parts of the data, like the value for the
> "weight" key?
Angel, you need an 'eval' around the 'load' command:
f = eval(load("http://www.ebi.ac.uk/pdbe/api/pdb/entry/molecules/2k8v";))
Then you have full access to the data structure, e.g.:
show f;
print f["2k8v"]..[1];
print f..2k8v..[1];
print f..2k8v..[1].keys;
print f..2k8v..[1]..sequence;
Since the actual data is below 'f["2k8v"]..[1]' I would suggest to
simplify access by shifting the content upwards:
info = f["2k8v"]..[1];
print info..sequence;
Regards,
Rolf
--
Rolf Huehne
Postdoc
Leibniz Institute on Aging - Fritz Lipmann Institute (FLI)
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