import capnp
from typing import Any
[docs]
def generate_type(type_walker, schema_walker) -> str | list[Any] | dict[str, Any]:
data_type = next(type_walker)
if data_type.which() == 'struct':
return generate_struct(next(schema_walker))
elif data_type.which() == 'list':
_ = next(schema_walker)
return [generate_type(type_walker, schema_walker)]
elif data_type.which() == 'enum':
return "text"
else:
return str(data_type.which())
[docs]
def generate_struct(schema: capnp.lib.capnp._StructSchema) -> dict[str, Any]:
return {field: generate_field(schema.fields[field]) for field in schema.fields if not field.endswith("DEPRECATED")}
[docs]
def generate_field(field: capnp.lib.capnp._StructSchemaField) -> str | list[Any] | dict[str, Any]:
def schema_walker(field):
yield field.schema
s = field.schema
while hasattr(s, 'elementType'):
s = s.elementType
yield s
def type_walker(field):
yield field.proto.slot.type
t = field.proto.slot.type
while hasattr(getattr(t, t.which()), 'elementType'):
t = getattr(t, t.which()).elementType
yield t
if field.proto.which() == "slot":
schema_gen, type_gen = schema_walker(field), type_walker(field)
return generate_type(type_gen, schema_gen)
else:
return generate_struct(field.schema)