def describe_part(g, parturi):
"""
Emit a Python dictionary with a description of a single part,
used by the second-stage compiler.
"""
def literal(v):
v = v.toPython()
if isinstance(v, str):
return v
return "%.16f" % v
part = {"uri": parturi.toPython()}
try:
_, _, template = get_one(g, (parturi, RBMC["kappaTemplate"], None))
except Exception as e:
logging.error("%s could not find template" % (parturi, ))
raise e
part["template"] = template.toPython()
for _, _, replace in g.triples((parturi, RBMC["replace"], None)):
try:
_, _, token = get_one(g, (replace, RBMC["string"], None))
except Exception as e:
logging.error("%s could not find replacement token" % (parturi, ))
raise e
try:
_, _, value = get_one(g, (replace, RBMC["value"], None))
except Exception as e:
logging.error("%s could not find value for %s" % (parturi, token))
raise
if isinstance(value, Literal):
part[token.toPython()] = literal(value)
continue
if exists(g, (value, SKOS["prefLabel"], None)):
_, _, label = get_one(g, (value, SKOS["prefLabel"], None))
part[token.toPython()] = label.toPython()
continue
## if we are here, we are concerned with the states of operators
data = {}
replace = value
_, _, value = get_one(g, (replace, RBMC["value"], None))
data["value"] = literal(value)
if exists(g, (replace, RBMC["upstream"], None)):
_, _, oplist = get_one(g, (replace, RBMC["upstream"], None))
data["upstream"] = list(reversed(describe_operators(g, oplist)))
if exists(g, (replace, RBMC["downstream"], None)):
_, _, oplist = get_one(g, (replace, RBMC["downstream"], None))
data["downstream"] = describe_operators(g, oplist)
data["upstream_size"] = len(data.get("upstream", []))
data["downstream_size"] = len(data.get("downstream", []))
data["context_size"] = data["upstream_size"] + data[
"downstream_size"] + 1
part.setdefault(token.toPython(), []).append(data)
return add_defaults(g, part)
def describe_operators(g, oplist):
operators = []
oplist = Collection(g, oplist)
for desc in oplist:
state = {}
if exists(g, (desc, RDF["type"], RBMO["BoundState"])):
state["bound"] = True
elif exists(g, (desc, RDF["type"], RBMO["UnboundState"])):
state["bound"] = False
if exists(g, (desc, RBMO["stateOf"], None)):
_, _, operator = get_one(g, (desc, RBMO["stateOf"], None))
_, _, label = get_one(g, (operator, SKOS["prefLabel"], None))
state["site"] = label.toPython()
operators.append(state)
return operators
def mutate_model(model, circuit, database):
# logging.info("mutate: circuit is %s", circuit)
nmodel = Graph()
nmodel += model
i = choice(range(len(circuit)))
# logging.info("mutate: replacing part %d: %s", i, circuit[i])
try:
part = replace_part(nmodel, circuit, i, database)
except Exception as e:
dump_graph(model)
raise e
ncircuit = circuit.copy()
ncircuit[i] = part
## fixup the "next" linkage for RBS
if exists(nmodel, (part, GCC["next"], None)):
_, _, next = get_one(nmodel, (part, GCC["next"], None))
_, _, label = get_one(nmodel, (circuit[i + 1], GCC["part"], None))
nmodel.remove((part, GCC["next"], next))
nmodel.add((part, GCC["next"], label))
# logging.info("mutate: repacement part is %s", circuit[i])
return (nmodel, ncircuit)
def gen_model(model, database):
circuit = extract_circuit(model, database)
proto = extract_proto(model)
## the "next" linkage for RBS needs to be fixed up in the model.
for i in range(len(circuit)):
part = circuit[i]
if exists(model, (part, GCC["next"], None)):
_, _, next = get_one(model, (part, GCC["next"], None))
_, _, label = get_one(model, (circuit[i + 1], GCC["part"], None))
model.remove((part, GCC["next"], next))
model.add((part, GCC["next"], label))
return (model, circuit)
def add_defaults(g, part):
for _, _, kind in g.triples((URIRef(part["uri"]), RDF["type"], None)):
for _, _, token in g.triples((kind, RBMC["tokens"], None)):
try:
_, _, label = get_one(g, (token, SKOS["prefLabel"], None))
except Exception as e:
logging.error("could not find label for %s" % token)
raise
if label.toPython() in part:
continue
if exists(g, (token, RBMC["default"], None)):
_, _, default = get_one(g, (token, RBMC["default"], None))
part[label.toPython()] = default.toPython()
return part