Source code for modos.rdf

from linkml_runtime.loaders import json_loader
import rdflib
from .helpers.schema import (
    get_slot_range,
    instance_to_graph,
    load_prefixmap,
    load_schema,
)
from .helpers.schema import (
    is_uri,
    class_from_name,
)


[docs] def attrs_to_graph(meta: dict, uri_prefix: str) -> rdflib.Graph: """Convert a attribute dictionary to an RDF graph of metadata.""" kg = rdflib.Graph() for prefix in load_prefixmap().values(): kg.bind(prefix.prefix_prefix, prefix.prefix_reference, replace=True) # Assuming the dict is flat, i.e. all subjects are top level for subject, attrs in meta.items(): if not is_uri(subject): subject = f"{uri_prefix}{subject}" for key, value in attrs.items(): if key == "@type": continue # Check if slot value should be a URI # we need to ensure it is one slot_range = get_slot_range(key) if not slot_range: continue uri_value = any( [ "uri" in slot_range, slot_range in load_schema().all_classes(), key == "data_path", ] ) if uri_value: # multivalued slots have a list of values if isinstance(value, list): fixed = [] for item in value: if is_uri(item): fixed.append(item) else: fixed.append(f"{uri_prefix}{item}") else: if is_uri(value): fixed = value else: fixed = f"{uri_prefix}{value}" attrs[key] = fixed attrs["id"] = subject instance = json_loader.loads( attrs, target_class=class_from_name(attrs["@type"]), ) kg += instance_to_graph(instance) return kg