#!/usr/bin/env python
# Copyright 2015 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.
"""
This script uses the Vision API's label detection capabilities to find a label
based on an image's content.
To run the example, install the necessary libraries by running:
pip install -r requirements.txt
Run the script on an image to get a label, E.g.:
./label.py <path-to-image>
"""
# [START import_libraries]
#import argparse
import base64
import httplib2
import picamera
import numpy as np
from gtts import gTTS
from subprocess import call
from time import sleep
from googleapiclient import discovery
from oauth2client.client import GoogleCredentials
# The url template to retrieve the discovery document for trusted testers.
DISCOVERY_URL='https://{api}.googleapis.com/$discovery/rest?version={apiVersion}'
# [END import_libraries]
def playTTS(label):
"""Play the label"""
tts = gTTS(text=label, lang='ko')
tts.save('result.mp3')
call(['mplayer', 'result.mp3'])
def main(photo_file):
"""Run a label request on a single image"""
# [START authenticate]
credentials = GoogleCredentials.get_application_default()
service = discovery.build('vision', 'v1', credentials=credentials,
discoveryServiceUrl=DISCOVERY_URL)
# [END authenticate]
# [START construct_request]
with open(photo_file, 'rb') as image:
image_content = base64.b64encode(image.read())
service_request = service.images().annotate(body={
'requests': [{
'image': {
'content': image_content.decode('UTF-8')
},
'features': [{
'type': 'LABEL_DETECTION',
'maxResults': 1
}]
}]
})
# [END construct_request]
# [START parse_response]
response = service_request.execute()
label = response['responses'][0]['labelAnnotations'][0]['description']
# print('Found label: %s for %s' % (label, photo_file))
print response
playTTS(label)
return 0
# [END parse_response]
# [START run_application]
if __name__ == '__main__':
# start and wait for camera setup
with picamera.PiCamera() as camera:
camera.start_preview()
sleep(2)
camera.stop_preview()
camera.capture('image.jpg')
main('image.jpg')
camera.close()
# [END run_application]