Convert LOH output into standardized VCF.

def _loh_to_vcf(cur):
    """Convert LOH output into standardized VCF.
    """
    cn = int(float(cur["C"]))
    minor_cn = int(float(cur["M"]))
    if cur["type"].find("LOH"):
        svtype = "LOH"
    elif cn > 2:
        svtype = "DUP"
    elif cn < 1:
        svtype = "DEL"
    else:
        svtype = None
    if svtype:
        info = ["SVTYPE=%s" % svtype, "END=%s" % cur["end"],
                "SVLEN=%s" % (int(cur["end"]) - int(cur["start"])),
                "CN=%s" % cn, "MajorCN=%s" % (cn - minor_cn), "MinorCN=%s" % minor_cn]
        return [cur["chr"], cur["start"], ".", "N", "<%s>" % svtype, ".", ".",
                ";".join(info), "GT", "0/1"]