def run_evaluation(
data_path,
model,
report_folder=None,
successes_filename=None,
errors_filename="errors.json",
confmat_filename=None,
intent_hist_filename=None,
component_builder=None,
) -> Dict: # pragma: no cover
"""Evaluate intent classification and entity extraction."""
# get the metadata config from the package data
if isinstance(model, Interpreter):
interpreter = model
else:
interpreter = Interpreter.load(model, component_builder)
test_data = training_data.load_data(data_path,
interpreter.model_metadata.language)
extractors = get_entity_extractors(interpreter)
if is_intent_classifier_present(interpreter):
intent_targets = get_intent_targets(test_data)
else:
intent_targets = [None] * test_data.training_examples
intent_results, entity_predictions, tokens = get_predictions(
interpreter, test_data, intent_targets)
if duckling_extractors.intersection(extractors):
entity_predictions = remove_duckling_entities(entity_predictions)
extractors = remove_duckling_extractors(extractors)
result = {"intent_evaluation": None, "entity_evaluation": None}
if report_folder:
utils.create_dir(report_folder)
if is_intent_classifier_present(interpreter):
logger.info("Intent evaluation results:")
result["intent_evaluation"] = evaluate_intents(
intent_results,
report_folder,
successes_filename,
errors_filename,
confmat_filename,
intent_hist_filename,
)
if extractors:
entity_targets = get_entity_targets(test_data)
logger.info("Entity evaluation results:")
result["entity_evaluation"] = evaluate_entities(
entity_targets, entity_predictions, tokens, extractors,
report_folder)
return result
def test_entity_evaluation_report(tmpdir_factory):
path = tmpdir_factory.mktemp("evaluation").strpath
report_folder = os.path.join(path, "reports")
mock_extractors = ["A", "B"]
report_filename_a = os.path.join(report_folder, "A_report.json")
report_filename_b = os.path.join(report_folder, "B_report.json")
ner_filename = os.path.join(report_folder, "ner_filename.json")
utils.create_dir(report_folder)
result = evaluate_entities(
[EN_targets],
[EN_predicted],
[EN_tokens],
mock_extractors,
report_folder,
ner_filename,
)
report_a = json.loads(rasa.utils.io.read_file(report_filename_a))
report_b = json.loads(rasa.utils.io.read_file(report_filename_b))
assert len(report_a) == 8
assert report_a["datetime"]["support"] == 1.0
assert report_b["macro avg"]["recall"] == 0.2
assert result["A"]["accuracy"] == 0.75
def test_intent_evaluation_report(tmpdir_factory):
path = tmpdir_factory.mktemp("evaluation").strpath
report_folder = os.path.join(path, "reports")
report_filename = os.path.join(report_folder, "intent_report.json")
utils.create_dir(report_folder)
intent_results = [
IntentEvaluationResult("", "restaurant_search",
"I am hungry", 0.12345),
IntentEvaluationResult("greet", "greet",
"hello", 0.98765)]
result = evaluate_intents(intent_results,
report_folder,
successes_filename=None,
errors_filename=None,
confmat_filename=None,
intent_hist_filename=None)
report = json.loads(utils.read_file(report_filename))
greet_results = {"precision": 1.0,
"recall": 1.0,
"f1-score": 1.0,
"support": 1}
prediction = {'text': 'hello',
'intent': 'greet',
'predicted': 'greet',
'confidence': 0.98765}
assert len(report.keys()) == 4
assert report["greet"] == greet_results
assert result["predictions"][0] == prediction
def main():
from rasa.core.agent import Agent
from rasa.core.interpreter import NaturalLanguageInterpreter
from rasa.core.utils import AvailableEndpoints, set_default_subparser
import rasa.nlu.utils as nlu_utils
import rasa.core.cli
from rasa.core import utils
loop = asyncio.get_event_loop()
# Running as standalone python application
arg_parser = create_argument_parser()
set_default_subparser(arg_parser, "default")
cmdline_arguments = arg_parser.parse_args()
logging.basicConfig(level=cmdline_arguments.loglevel)
_endpoints = AvailableEndpoints.read_endpoints(cmdline_arguments.endpoints)
if cmdline_arguments.output:
nlu_utils.create_dir(cmdline_arguments.output)
if not cmdline_arguments.core:
raise ValueError(
"you must provide a core model directory to evaluate using -d / --core"
)
if cmdline_arguments.mode == "default":
_interpreter = NaturalLanguageInterpreter.create(
cmdline_arguments.nlu, _endpoints.nlu
)
_agent = Agent.load(cmdline_arguments.core, interpreter=_interpreter)
stories = loop.run_until_complete(
rasa.core.cli.train.stories_from_cli_args(cmdline_arguments)
)
loop.run_until_complete(
test(
stories,
_agent,
cmdline_arguments.max_stories,
cmdline_arguments.output,
cmdline_arguments.fail_on_prediction_errors,
cmdline_arguments.e2e,
)
)
elif cmdline_arguments.mode == "compare":
compare(
cmdline_arguments.core, cmdline_arguments.stories, cmdline_arguments.output
)
story_n_path = os.path.join(cmdline_arguments.core, "num_stories.json")
number_of_stories = utils.read_json_file(story_n_path)
plot_curve(cmdline_arguments.output, number_of_stories)
logger.info("Finished evaluation")
def test_core(
model: Optional[Text] = None,
stories: Optional[Text] = None,
endpoints: Optional[Text] = None,
output: Text = DEFAULT_RESULTS_PATH,
kwargs: Optional[Dict] = None,
):
import rasa.core.test
import rasa.core.utils as core_utils
from rasa.nlu import utils as nlu_utils
from rasa.model import get_model
from rasa.core.interpreter import NaturalLanguageInterpreter
from rasa.core.agent import Agent
_endpoints = core_utils.AvailableEndpoints.read_endpoints(endpoints)
if kwargs is None:
kwargs = {}
if output:
nlu_utils.create_dir(output)
unpacked_model = get_model(model)
if unpacked_model is None:
print_error(
"Unable to test: could not find a model. Use 'rasa train' to train a "
"Rasa model."
)
return
core_path, nlu_path = get_model_subdirectories(unpacked_model)
if not os.path.exists(core_path):
print_error(
"Unable to test: could not find a Core model. Use 'rasa train' to "
"train a model."
)
use_e2e = kwargs["e2e"] if "e2e" in kwargs else False
_interpreter = RegexInterpreter()
if use_e2e:
if os.path.exists(nlu_path):
_interpreter = NaturalLanguageInterpreter.create(nlu_path, _endpoints.nlu)
else:
print_warning(
"No NLU model found. Using default 'RegexInterpreter' for end-to-end "
"evaluation."
)
_agent = Agent.load(unpacked_model, interpreter=_interpreter)
kwargs = minimal_kwargs(kwargs, rasa.core.test, ["stories", "agent"])
loop = asyncio.get_event_loop()
loop.run_until_complete(
rasa.core.test(stories, _agent, out_directory=output, **kwargs)
)
def test_core(
model: Optional[Text] = None,
stories: Optional[Text] = None,
endpoints: Optional[Text] = None,
output: Text = DEFAULT_RESULTS_PATH,
model_path: Optional[Text] = None,
kwargs: Optional[Dict] = None,
):
import rasa.core.test
import rasa.core.utils as core_utils
from rasa.nlu import utils as nlu_utils
from rasa.model import get_model
from rasa.core.interpreter import NaturalLanguageInterpreter
from rasa.core.agent import Agent
_endpoints = core_utils.AvailableEndpoints.read_endpoints(endpoints)
if kwargs is None:
kwargs = {}
if output:
nlu_utils.create_dir(output)
if os.path.isfile(model):
model_path = get_model(model)
if model_path:
# Single model: Normal evaluation
loop = asyncio.get_event_loop()
model_path = get_model(model)
core_path, nlu_path = get_model_subdirectories(model_path)
if os.path.exists(core_path) and os.path.exists(nlu_path):
_interpreter = NaturalLanguageInterpreter.create(nlu_path, _endpoints.nlu)
_agent = Agent.load(core_path, interpreter=_interpreter)
kwargs = minimal_kwargs(kwargs, rasa.core.test, ["stories", "agent"])
loop.run_until_complete(
rasa.core.test(stories, _agent, out_directory=output, **kwargs)
)
else:
logger.warning(
"Not able to test. Make sure both models, core and "
"nlu, are available."
)
else:
from rasa.core.test import compare, plot_curve
compare(model, stories, output)
story_n_path = os.path.join(model, "num_stories.json")
number_of_stories = core_utils.read_json_file(story_n_path)
plot_curve(output, number_of_stories)
def run_evaluation(
data_path: Text,
model_path: Text,
report: Optional[Text] = None,
successes: Optional[Text] = None,
errors: Optional[Text] = "errors.json",
confmat: Optional[Text] = None,
histogram: Optional[Text] = None,
component_builder: Optional[ComponentBuilder] = None,
) -> Dict: # pragma: no cover
"""
Evaluate intent classification and entity extraction.
:param data_path: path to the test data
:param model_path: path to the model
:param report: path to folder where reports are stored
:param successes: path to file that will contain success cases
:param errors: path to file that will contain error cases
:param confmat: path to file that will show the confusion matrix
:param histogram: path fo file that will show a histogram
:param component_builder: component builder
:return: dictionary containing evaluation results
"""
# get the metadata config from the package data
interpreter = Interpreter.load(model_path, component_builder)
interpreter.pipeline = remove_pretrained_extractors(interpreter.pipeline)
test_data = training_data.load_data(data_path,
interpreter.model_metadata.language)
result = {
"intent_evaluation": None,
"entity_evaluation": None,
} # type: Dict[Text, Optional[Dict]]
if report:
utils.create_dir(report)
intent_results, entity_results = get_eval_data(interpreter, test_data)
if intent_results:
logger.info("Intent evaluation results:")
result["intent_evaluation"] = evaluate_intents(intent_results, report,
successes, errors,
confmat, histogram)
if entity_results:
logger.info("Entity evaluation results:")
extractors = get_entity_extractors(interpreter)
result["entity_evaluation"] = evaluate_entities(
entity_results, extractors, report)
return result
def persist(self,
path: Text,
persistor: Optional[Persistor] = None,
project_name: Text = None,
fixed_model_name: Text = None) -> Text:
"""Persist all components of the pipeline to the passed path.
Returns the directory of the persisted model."""
timestamp = datetime.datetime.now().strftime('%Y%m%d-%H%M%S')
metadata = {
"language": self.config["language"],
"adapter": self.config['adapter'],
"pipeline": [],
}
if project_name is None:
project_name = "default"
if fixed_model_name:
model_name = fixed_model_name
else:
model_name = "model_" + timestamp
path = make_path_absolute(path)
dir_name = os.path.join(path, project_name, model_name)
create_dir(dir_name)
if self.training_data:
metadata.update(self.training_data.persist(dir_name))
for i, component in enumerate(self.pipeline):
file_name = self._file_name(i, component.name)
update = component.persist(file_name, dir_name)
component_meta = component.component_config
if update:
component_meta.update(update)
component_meta["class"] = utils.module_path_from_object(component)
metadata["pipeline"].append(component_meta)
Metadata(metadata, dir_name).persist(dir_name)
if persistor is not None:
persistor.persist(dir_name, model_name, project_name)
logger.info("Successfully saved model into "
"'{}'".format(os.path.abspath(dir_name)))
return dir_name
def test_entity_evaluation_report(tmpdir_factory):
class EntityExtractorA(EntityExtractor):
provides = ["entities"]
def __init__(self, component_config=None) -> None:
super(EntityExtractorA, self).__init__(component_config)
class EntityExtractorB(EntityExtractor):
provides = ["entities"]
def __init__(self, component_config=None) -> None:
super(EntityExtractorB, self).__init__(component_config)
path = tmpdir_factory.mktemp("evaluation").strpath
report_folder = os.path.join(path, "reports")
report_filename_a = os.path.join(report_folder,
"EntityExtractorA_report.json")
report_filename_b = os.path.join(report_folder,
"EntityExtractorB_report.json")
utils.create_dir(report_folder)
mock_interpreter = Interpreter(
[
EntityExtractorA({"provides": ["entities"]}),
EntityExtractorB({"provides": ["entities"]}),
],
None,
)
extractors = get_entity_extractors(mock_interpreter)
result = evaluate_entities([EN_entity_result], extractors, report_folder)
report_a = json.loads(rasa.utils.io.read_file(report_filename_a))
report_b = json.loads(rasa.utils.io.read_file(report_filename_b))
assert len(report_a) == 8
assert report_a["datetime"]["support"] == 1.0
assert report_b["macro avg"]["recall"] == 0.2
assert result["EntityExtractorA"]["accuracy"] == 0.75
def test_core(model: Text, stories: Text, endpoints: Text = None,
output: Text = DEFAULT_RESULTS_PATH, model_path: Text = None,
**kwargs: Dict):
import rasa.core.test
import rasa.core.utils as core_utils
from rasa.nlu import utils as nlu_utils
from rasa.model import get_model
from rasa.core.interpreter import NaturalLanguageInterpreter
from rasa.core.agent import Agent
_endpoints = core_utils.AvailableEndpoints.read_endpoints(endpoints)
if output:
nlu_utils.create_dir(output)
if os.path.isfile(model):
model_path = get_model(model)
if model_path:
# Single model: Normal evaluation
loop = asyncio.get_event_loop()
model_path = get_model(model)
core_path, nlu_path = get_model_subdirectories(model_path)
_interpreter = NaturalLanguageInterpreter.create(nlu_path,
_endpoints.nlu)
_agent = Agent.load(core_path, interpreter=_interpreter)
kwargs = minimal_kwargs(kwargs, rasa.core.test)
loop.run_until_complete(
rasa.core.test(stories, _agent, out_directory=output, **kwargs))
else:
from rasa.core.test import compare, plot_curve
compare(model, stories, output)
story_n_path = os.path.join(model, 'num_stories.json')
number_of_stories = core_utils.read_json_file(story_n_path)
plot_curve(output, number_of_stories)
def test_core(
model: Optional[Text] = None,
stories: Optional[Text] = None,
endpoints: Optional[Text] = None,
output: Text = DEFAULT_RESULTS_PATH,
kwargs: Optional[Dict] = None,
):
import rasa.core.test
import rasa.core.utils as core_utils
from rasa.nlu import utils as nlu_utils
from rasa.model import get_model
from rasa.core.interpreter import NaturalLanguageInterpreter
from rasa.core.agent import Agent
_endpoints = core_utils.AvailableEndpoints.read_endpoints(endpoints)
if kwargs is None:
kwargs = {}
if output:
nlu_utils.create_dir(output)
loop = asyncio.get_event_loop()
model_path = get_model(model)
core_path, nlu_path = get_model_subdirectories(model_path)
if os.path.exists(core_path) and os.path.exists(nlu_path):
_interpreter = NaturalLanguageInterpreter.create(
nlu_path, _endpoints.nlu)
_agent = Agent.load(model_path, interpreter=_interpreter)
kwargs = minimal_kwargs(kwargs, rasa.core.test, ["stories", "agent"])
loop.run_until_complete(
rasa.core.test(stories, _agent, out_directory=output, **kwargs))
else:
print_error(
"Not able to test. Make sure both models - core and nlu - are available."
)
def cross_validate(
data: TrainingData,
n_folds: int,
nlu_config: Union[RasaNLUModelConfig, Text],
report: Optional[Text] = None,
successes: Optional[Text] = None,
errors: Optional[Text] = "errors.json",
confmat: Optional[Text] = None,
histogram: Optional[Text] = None,
) -> Tuple[CVEvaluationResult, CVEvaluationResult]:
"""Stratified cross validation on data.
Args:
data: Training Data
n_folds: integer, number of cv folds
nlu_config: nlu config file
report: path to folder where reports are stored
successes: path to file that will contain success cases
errors: path to file that will contain error cases
confmat: path to file that will show the confusion matrix
histogram: path fo file that will show a histogram
Returns:
dictionary with key, list structure, where each entry in list
corresponds to the relevant result for one fold
"""
from collections import defaultdict
if isinstance(nlu_config, str):
nlu_config = config.load(nlu_config)
if report:
utils.create_dir(report)
trainer = Trainer(nlu_config)
trainer.pipeline = remove_pretrained_extractors(trainer.pipeline)
intent_train_metrics = defaultdict(list) # type: IntentMetrics
intent_test_metrics = defaultdict(list) # type: IntentMetrics
entity_train_metrics = defaultdict(
lambda: defaultdict(list)) # type: EntityMetrics
entity_test_metrics = defaultdict(
lambda: defaultdict(list)) # type: EntityMetrics
intent_test_results = [] # type: List[IntentEvaluationResult]
entity_test_results = [] # type: List[EntityEvaluationResult]
intent_classifier_present = False
extractors = set() # type: Set[Text]
for train, test in generate_folds(n_folds, data):
interpreter = trainer.train(train)
# calculate train accuracy
combine_result(intent_train_metrics, entity_train_metrics, interpreter,
train)
# calculate test accuracy
combine_result(
intent_test_metrics,
entity_test_metrics,
interpreter,
test,
intent_test_results,
entity_test_results,
)
if not extractors:
extractors = get_entity_extractors(interpreter)
if is_intent_classifier_present(interpreter):
intent_classifier_present = True
if intent_classifier_present:
logger.info("Accumulated test folds intent evaluation results:")
evaluate_intents(intent_test_results, report, successes, errors,
confmat, histogram)
if extractors:
logger.info("Accumulated test folds entity evaluation results:")
evaluate_entities(entity_test_results, extractors, report)
return (
CVEvaluationResult(dict(intent_train_metrics),
dict(intent_test_metrics)),
CVEvaluationResult(dict(entity_train_metrics),
dict(entity_test_metrics)),
)
def test_creation_of_existing_dir(tmpdir):
# makes sure there is no exception
assert create_dir(tmpdir.strpath) is None
def run_evaluation(
data_path: Text,
model_path: Text,
report: Optional[Text] = None,
successes: Optional[Text] = None,
errors: Optional[Text] = "errors.json",
confmat: Optional[Text] = None,
histogram: Optional[Text] = None,
component_builder: Optional[ComponentBuilder] = None,
) -> Dict: # pragma: no cover
"""
Evaluate intent classification and entity extraction.
:param data_path: path to the test data
:param model_path: path to the model
:param report: path to folder where reports are stored
:param successes: path to file that will contain success cases
:param errors: path to file that will contain error cases
:param confmat: path to file that will show the confusion matrix
:param histogram: path fo file that will show a histogram
:param component_builder: component builder
:return: dictionary containing evaluation results
"""
# get the metadata config from the package data
interpreter = Interpreter.load(model_path, component_builder)
test_data = training_data.load_data(data_path,
interpreter.model_metadata.language)
extractors = get_entity_extractors(interpreter)
if is_intent_classifier_present(interpreter):
intent_targets = get_intent_targets(test_data)
else:
intent_targets = [None] * len(test_data.training_examples)
intent_results, entity_predictions, tokens = get_predictions(
interpreter, test_data, intent_targets)
if duckling_extractors.intersection(extractors):
entity_predictions = remove_duckling_entities(entity_predictions)
extractors = remove_duckling_extractors(extractors)
result = {"intent_evaluation": None, "entity_evaluation": None}
if report:
utils.create_dir(report)
if is_intent_classifier_present(interpreter):
logger.info("Intent evaluation results:")
result["intent_evaluation"] = evaluate_intents(intent_results, report,
successes, errors,
confmat, histogram)
if extractors:
entity_targets = get_entity_targets(test_data)
logger.info("Entity evaluation results:")
result["entity_evaluation"] = evaluate_entities(
entity_targets, entity_predictions, tokens, extractors, report)
return result