Detect Filer Cash Flows LinkRole

detect_filer_cash_flow_linkrole.py

baseTaxonomyCashFlowLinkRole = 'https://www.esma.europa.eu/xbrl/role/all/...'
baseTaxonomyCashFlowRels = baseTaxonomyModelXbrl.relationshipSet(XbrlConst.parentChild, baseTaxonomyCashFlowLinkRole)

baseTaxonomyCashFlowClarks = {
    rel.toModelObject.qname.clarkNotation
    for rel in baseTaxonomyCashFlowRels.modelRelationships
}
for root in baseTaxonomyCashFlowRels.rootConcepts:
    baseTaxonomyCashFlowClarks.add(root.qname.clarkNotation)

maxScore = 0
filerCashFlowRole = ''
for role in filerModelXbrl.roleTypes.keys():
    rolePresRels = filerModelXbrl.relationshipSet(XbrlConst.parentChild, role)
    roleConceptClarks = {
        rel.toModelObject.qname.clarkNotation
        for rel in rolePresRels.modelRelationships
    }
    for root in rolePresRels.rootConcepts:
        roleConceptClarks.add(root.qname.clarkNotation)
    score = len(roleConceptClarks & baseTaxonomyCashFlowClarks)
    if score > maxScore:
        maxScore = score
        filerCashFlowRole = role

print(f"filer's cash flow linkrole is {filerCashFlowRole}")