
Imports

    >>> from tests.utils import resource_file
    >>> from owslib.etree import etree
	>>> from owslib.iso import MD_Metadata

Print testing some metadata elements

    >>> e = etree.parse(resource_file('17bd184a-7e7d-4f81-95a5-041449a7212b_iso.xml'))
    >>> md = MD_Metadata(e)
    >>> md.identification[0].title
    'Air temperature'

    >>> len(md.identification[0].keywords) == len(md.identification[0].keywords)
    True

    >>> len(md.identification[0].keywords) > 0
    True

    >>> len(md.identification[0].keywords[0].keywords) > 0
    True

    >>> md.identification[0].keywords[0].thesaurus['title']
    'GEMET - INSPIRE themes, version 1.0'
