def sector_percentages(xml):
ret = []
for ele in xml:
sp = SectorPercentage()
if ele.xpath("@code") and xval(ele, "@code") in cl.Sector.values():
sp.sector = cl.Sector.from_string(xval(ele, "@code"))
if ele.xpath("@vocabulary"):
sp.vocabulary = cl.Vocabulary.from_string(xval(ele, "@vocabulary"))
if ele.xpath("@percentage"):
sp.percentage = int(xval(ele, "@percentage"))
if any(getattr(sp, attr) for attr in "sector vocabulary percentage".split()):
ret.append(sp)
return ret
