def get_expr_referrers(schema: s_schema.Schema,
obj: so.Object) -> Dict[so.Object, str]:
"""Return schema referrers with refs in expressions."""
refs = schema.get_referrers_ex(obj)
result = {}
for (mcls, fn), referrers in refs.items():
field = mcls.get_field(fn)
if issubclass(field.type, (Expression, ExpressionList)):
result.update({ref: fn for ref in referrers})
return result
def get_expr_referrers(schema: s_schema.Schema,
obj: so.Object) -> Dict[so.Object, List[str]]:
"""Return schema referrers with refs in expressions."""
refs: Dict[Tuple[Type[so.Object], str], FrozenSet[so.Object]] = (
schema.get_referrers_ex(obj))
result: Dict[so.Object, List[str]] = {}
for (mcls, fn), referrers in refs.items():
field = mcls.get_field(fn)
if issubclass(field.type, (Expression, ExpressionList)):
for ref in referrers:
result.setdefault(ref, []).append(fn)
return result