client.py

# Copyright 2017 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import requests
import numpy as np

class ModelServiceClient(object):
    def __init__(self, host, api_key):
        self.host = host
        self.api_key = api_key

    def predict(self, X):
        if type(X) is np.ndarray:
            X = X.tolist()

        response = requests.post(self.host + '/predict', json={'X': X},
            params={'key': self.api_key})

        response_json = response.json()
        if 'y' in response_json:
            return response_json['y']
        else:
            print(response_json)