GoogleCloudVision.py

import json
import requests
from base64 import b64encode


def makeImageData(imgpath):
    img_req = None
    with open(imgpath, 'rb') as f:
        ctxt = b64encode(f.read()).decode()
        img_req = {
            'image': {
                'content': ctxt
            },
            'features': [{
                'type': 'DOCUMENT_TEXT_DETECTION',
                'maxResults': 1
            }]
        }
    return json.dumps({"requests": img_req}).encode()



def requestOCR(url, api_key, imgpath):
  imgdata = makeImageData(imgpath)
  response = requests.post(url, 
                           data = imgdata, 
                           params = {'key': api_key}, 
                           headers = {'Content-Type': 'application/json'})
  return response



ENDPOINT_URL = 'https://vision.googleapis.com/v1/images:annotate'
api_key = "AIzaSyA_DOnmygw3L2z4qkkhJSrGxuYVo7kWk54"
img_loc = "0.png"
data = json.loads(requestOCR(ENDPOINT_URL,api_key,img_loc ).text)
print(data["responses"][0]['fullTextAnnotation']['text'])