What library/package to use for parsing XML?

Mon Jan 30 12:58:30 EST 2017

I want to parse some XML data, it's the address book data from the
linux program osmo. The file I want to parse is like this:-
 <?xml version="1.0" encoding="utf-8"?>
 <osmo_contacts>
 <contacts_groups/>
 <contacts_records>
 <record>
 <group>None</group>
 <first_name>Peter and Denise</first_name>
 <last_name>Smith</last_name>
 <birthday_date>0</birthday_date>
 <name_day_date>0</name_day_date>
 <home_address>Some address</home_address>
 <home_postcode>AAA BBB</home_postcode>
 <home_state>Oxfordshire</home_state>
 </record>
 </contacts_records>
 </osmo_contacts>
I basically want to be able to extract the data and output in other
formats - e.g. write to a Sqlite3 database and/or CSV.
So what do I need to import (and probably install first) to do this?
-- 
Chris Green
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