Exemple #1
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def plot_to_file_fun(basenames, spec, dataset):
    filenames = t.ExpressionType().asPython(basenames)
    spec = t.ExpressionType().asPython(spec)
    if isinstance(dataset, Dataset):
        PlotSpec(spec).plot(dataset.asPandas(), dataset.ind_names,
                            _format_filenames(filenames, spec))
    else:
        PlotSpec(spec).plot(dataset, list(dataset.columns.values),
                            _format_filenames(filenames, spec))
Exemple #2
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def destructLambda(exp):
    import venture.lite.types as t
    assert isinstance(exp, list)
    assert len(exp) == 3
    assert isQuotation(exp[1])
    assert isQuotation(exp[2])
    params = t.ExpressionType().asPython(textOfQuotation(exp[1]))
    body = t.ExpressionType().asPython(textOfQuotation(exp[2]))
    return (params, body)
Exemple #3
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def plot_fun(spec, dataset):
    spec = t.ExpressionType().asPython(spec)
    if isinstance(dataset, Dataset):
        PlotSpec(spec).plot(dataset.asPandas(), dataset.ind_names)
    else:
        # Assume a raw data frame
        PlotSpec(spec).plot(dataset, list(dataset.columns.values))
Exemple #4
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 def eval(self, id, exp):
     assert id not in self.results
     py_exp = t.ExpressionType().asPython(
         vv.VentureValue.fromStackDict(exp))
     rng = self.py_rng
     val = evaluator.eval(addr.directive_address(id), py_exp, self.env, rng)
     assert isinstance(val, vv.VentureValue)
     self.results[id] = val
        for id, esrParent in zip(ids, args.esrNodes()):
            env.fillBinding(id, esrParent)
        return env

    def description(self, name):
        return "%s\n  Used internally in the implementation of letrec." % name


registerBuiltinSP(
    "fix",
    SP(
        TypedPSP(
            FixRequestPSP(),
            SPType([
                t.HomogeneousArrayType(t.SymbolType()),
                t.HomogeneousArrayType(t.ExpressionType())
            ], t.RequestType())),
        TypedPSP(
            FixOutputPSP(),
            SPType([
                t.HomogeneousArrayType(t.SymbolType()),
                t.HomogeneousArrayType(t.ExpressionType())
            ], EnvironmentType()))))


class AssessOutputPSP(DeterministicPSP):
    def simulate(self, args):
        vals = args.operandValues()
        value = vals[0]
        if isinstance(value, SPRef):
            # XXX trace.madeSPRecordAt(value.makerNode)
Exemple #6
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registerBuiltinSP("extend_environment",
  typed_nr(ExtendEnvOutputPSP(),
           [env.EnvironmentType(), t.SymbolType(), t.AnyType()],
           env.EnvironmentType()))

class EvalRequestPSP(DeterministicPSP):
  def simulate(self,args):
    (exp, en) = args.operandValues()
    # Point to the desugared source code location of expression.
    # This is not a full address, because the call stack is gone.
    source_loc = addr.append(addr.top_frame(args.operandNodes[0].address), 1)
    return Request([ESR(args.node,exp,source_loc,en)])
  def description(self,name):
    return "%s evaluates the given expression in the given environment and returns the result.  Is itself deterministic, but the given expression may involve a stochasitc computation." % name

registerBuiltinSP("eval",
  esr_output(TypedPSP(EvalRequestPSP(),
                      SPType([t.ExpressionType(), env.EnvironmentType()],
                             t.RequestType("<object>")))))

class AddressOfOutputPSP(DeterministicPSP):
  def simulate(self,args):
    place = args.operandNodes[0]
    node = args.trace.getOutermostNonReferenceNode(place)
    return jsonable_address(node)
  def description(self,name):
    return "%s returns a string representing the address of the top nontrivial node of its argument" % name

registerBuiltinSP("address_of",
  typed_nr(AddressOfOutputPSP(), [t.AnyType()], t.StringType()))
def __venture_start__(ripl):
    ripl.bind_foreign_inference_sp("make_plots", make_plots_sp)
    ripl.bind_foreign_inference_sp('unique',
        deterministic_typed(lambda l: list(set(l)),
                        [t.HomogeneousListType(t.ExpressionType())],
                        t.HomogeneousListType(t.ExpressionType())))