getting keyword data from invenio

invenio.py

from invenio.search_engine import perform_request_search, get_record, print_record

# ... get the bibcodes somehow
bibs = ['2012PhRvA..86e3813B', ...]

for bib in bibs:
    for rec_id in perform_request_search(p="970:%" % bib, cc="ADS metadata repository"):
        
        # 'rec' is a list/tuple structure that is structured according to the MARC
        # format. Field #653 is where any "free" keywords are stored; field #695 is for
        # "controlled" keywords. See http://adsset/trac/ads-invenio/wiki/howtomarcADS for
        # subfields, etc.
        rec = get_record(rec_id)
        free_keywords = rec.get("653", [])
        controlled_keywords = rec.get("695", [])

        ...or...

        # you could also get the xml for the record, parse it, and use xpath or whatever
        # to extract the 653/695 fields
        xml = print_record(rec_id,'xm')