This is example code to explore and later on retrieve metadata from a catalogue service for the web (CSW) using Python.
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#load dependencies import sys from owslib.csw import CatalogueServiceWeb # support function def showhelp(): astring = """ description: - First attempt to retrieve the metadata in a CSW. versions: - v0.1 gives a list of datasets available usage: - python getCSWdata.py urltoCSW for instance the PMR CSW url = 'http://pmr-geoserver.deltares.nl/geonetwork/srv/csw?' """ print astring # give listing of available datasets def displayrecords(url): try: csw = CatalogueServiceWeb(url) csw.getrecords2() csw.results for rec in csw.records: print csw.records[rec].title except: print 'something went wrong' def nextstep(url): msg = """ Right now you get a listing of the available datasets in the {u} committed. Next step would be te rectrieve the complete metadata. This is not implemented yet.""".format(u=url) print msg return if __name__ == '__main__': if len(sys.argv) <= 1: showhelp() sys.exit() if sys.argv[1] =='?': showhelp() sys.exit() url = sys.argv[1] nextstep(url) displayrecords(url) |