# Copyright 2016 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 logging

import os

from flask import Flask

import scipy.misc

app = Flask(__name__)

# [START scipy]

@app.route('/')

def resize():

"""Demonstrates using scipy to resize an image."""

app_path = os.path.dirname(os.path.realpath(__file__))

image_path = os.path.join(app_path, 'assets/google_logo.jpg')

img = scipy.misc.imread(image_path)

img_tinted = scipy.misc.imresize(img, (300, 300))

output_image_path = os.path.join(

app_path, 'assets/resized_google_logo.jpg')

# Write the tinted image back to disk

scipy.misc.imsave(output_image_path, img_tinted)

return "Image resized."

# [END scipy]

@app.errorhandler(500)

def server_error(e):

logging.exception('An error occurred during a request.')

return """

An internal error occurred: <pre>{}</pre>

See logs for full stacktrace.

""".format(e), 500

if __name__ == '__main__':

# This is used when running locally. Gunicorn is used to run the

# application on Google App Engine. See entrypoint in app.yaml.

app.run(host='127.0.0.1', port=8080, debug=True)