Example #1
0
def create_simple(id, last_weights=False):
    job_backend = JobBackend()
    job_backend.load(id)
    job_model = job_backend.get_job_model()

    if last_weights:
        weights_path = job_model.get_weights_filepath_latest()
    else:
        weights_path = job_model.get_weights_filepath_best()

    if not os.path.exists(weights_path) or os.path.getsize(weights_path) == 0:
        weight_url = job_backend.get_best_weight_url(id)
        if not weight_url:
            raise Exception("No weights available for this job.")

        print(("Download weights %s to %s .." % (weight_url, weights_path)))
        ensure_dir(os.path.dirname(weights_path))

        f = open(weights_path, 'wb')
        f.write(urllib.urlopen(weight_url).read())
        f.close()

    model.job_prepare(job_model)

    general_logger = GeneralLogger(job_backend=job_backend)
    trainer = Trainer(job_backend, general_logger)

    job_model.set_input_shape(trainer)

    model = job_model.get_built_model(trainer)

    job_model.load_weights(model, weights_path)

    return job_model, model
    def start_model(self, parsed_args):
        from aetros import keras_model_utils
        from aetros.backend import JobBackend
        from aetros.logger import GeneralLogger
        from aetros.Trainer import Trainer
        from aetros.keras_model_utils import ensure_dir

        if not parsed_args.id:
            print("No job id given.")
            sys.exit(1)

        print("...")
        self.lock.acquire()
        job_backend = JobBackend(parsed_args.id)
        job_backend.load_light_job()
        self.job_model = job_backend.get_job_model()

        if parsed_args.weights:
            weights_path = parsed_args.weights
        elif parsed_args.latest:
            weights_path = self.job_model.get_weights_filepath_latest()
        else:
            weights_path = self.job_model.get_weights_filepath_best()

        print("Check weights ...")

        if not os.path.exists(weights_path) or os.path.getsize(
                weights_path) == 0:
            weight_url = job_backend.get_best_weight_url(parsed_args.id)
            if not weight_url:
                print("No weights available for this job.")
                exit(1)

            print(
                ("Download weights %s to %s .." % (weight_url, weights_path)))
            ensure_dir(os.path.dirname(weights_path))

            f = open(weights_path, 'wb')
            f.write(urllib.urlopen(weight_url).read())
            f.close()

        keras_model_utils.job_prepare(job_backend)

        trainer = Trainer(job_backend)

        self.job_model.set_input_shape(trainer)

        print("Loading model ...")
        model = self.job_model.get_built_model(trainer)

        print(("Load weights %s ..." % (weights_path, )))
        self.job_model.load_weights(model, weights_path)
        print("Locked and loaded.")

        self.lock.release()

        return model
    def start_model(self, parsed_args):
        from aetros import keras_model_utils
        from aetros.backend import JobBackend
        from aetros.logger import GeneralLogger
        from aetros.Trainer import Trainer
        from aetros.keras_model_utils import ensure_dir

        if not parsed_args.id:
            print("No job id given.")
            sys.exit(1)

        print("...")
        self.lock.acquire()
        job_backend = JobBackend(parsed_args.id)
        job_backend.load_light_job()
        self.job_model = job_backend.get_job_model()

        if parsed_args.weights:
            weights_path = parsed_args.weights
        elif parsed_args.latest:
            weights_path = self.job_model.get_weights_filepath_latest()
        else:
            weights_path = self.job_model.get_weights_filepath_best()

        print("Check weights ...")

        if not os.path.exists(weights_path) or os.path.getsize(weights_path) == 0:
            weight_url = job_backend.get_best_weight_url(parsed_args.id)
            if not weight_url:
                print("No weights available for this job.")
                exit(1)

            print(("Download weights %s to %s .." % (weight_url, weights_path)))
            ensure_dir(os.path.dirname(weights_path))

            f = open(weights_path, 'wb')
            f.write(urllib.urlopen(weight_url).read())
            f.close()

        trainer = Trainer(job_backend)

        self.job_model.set_input_shape(trainer)

        print("Loading model ...")
        model = self.job_model.get_built_model(trainer)

        print(("Load weights %s ..." % (weights_path,)))
        self.job_model.load_weights(model, weights_path)
        print("Locked and loaded.")

        self.lock.release()

        return model
    def main(self, args):

        from aetros import keras_model_utils

        import aetros.const
        from aetros.backend import JobBackend
        from aetros.logger import GeneralLogger
        from aetros.Trainer import Trainer

        parser = argparse.ArgumentParser(
            formatter_class=argparse.RawTextHelpFormatter,
            prog=aetros.const.__prog__ + ' upload-weights')
        parser.add_argument('id', nargs='?', help='model name or job id')
        parser.add_argument(
            '--secure-key',
            help="Secure key. Alternatively use API_KEY environment varibale.")
        parser.add_argument(
            '--weights',
            help=
            "Weights path. Per default we try to find it in the ./weights/ folder."
        )
        parser.add_argument(
            '--accuracy',
            help=
            "If you specified model name, you should also specify the accuracy this weights got."
        )
        parser.add_argument(
            '--latest',
            action="store_true",
            help="Instead of best epoch we upload latest weights.")

        parsed_args = parser.parse_args(args)
        job_backend = JobBackend(api_token=parsed_args.secure_key)

        if '/' in parsed_args.id and '@' not in parsed_args.id:
            job_backend.create(parsed_args.id)

        job_backend.load(parsed_args.id)

        if job_backend.job is None:
            raise Exception("Job not found")

        job_model = job_backend.get_job_model()

        weights_path = job_model.get_weights_filepath_best()

        if parsed_args.weights:
            weights_path = parsed_args.weights

        print(("Validate weights in %s ..." % (weights_path, )))

        keras_model_utils.job_prepare(job_model)

        general_logger = GeneralLogger()
        trainer = Trainer(job_backend, general_logger)

        job_model.set_input_shape(trainer)

        print("Loading model ...")
        model_provider = job_model.get_model_provider()
        model = model_provider.get_model(trainer)

        loss = model_provider.get_loss(trainer)
        optimizer = model_provider.get_optimizer(trainer)

        print("Compiling ...")
        model_provider.compile(trainer, model, loss, optimizer)

        print(("Validate weights %s ..." % (weights_path, )))
        job_model.load_weights(model, weights_path)
        print("Validated.")

        print("Uploading weights to %s of %s ..." %
              (job_backend.job_id, job_backend.model_id))

        job_backend.upload_weights(
            'best.hdf5', weights_path,
            float(parsed_args.accuracy) if parsed_args.accuracy else None)

        print("Done")