test_google_part_2.py

import io
import os
import google
from google.cloud import vision
from google.cloud.vision import types

def detect_text():
    """Detects text in the file."""
    from google.cloud import vision
    import io
    client = vision.ImageAnnotatorClient()
    file_name = os.path.abspath('screenshot.png')
    with io.open(file_name, 'rb') as image_file:
        content = image_file.read()

    image = vision.types.Image(content=content)

    response = client.text_detection(image=image)
    texts = response.text_annotations
    print('Response:')
    print(texts)
    print('Texts:')
    print(texts[0].description)
    sample=[]
    for text in texts:
        sample+=[text.description]
    print(sample)

    for text in texts:
        print('\n"{}"'.format(text.description))

        vertices = (['({},{})'.format(vertex.x, vertex.y)
                    for vertex in text.bounding_poly.vertices])

        print('bounds: {}'.format(','.join(vertices)))

    if response.error.message:
        raise Exception(
            '{}\nFor more info on error messages, check: '
            'https://cloud.google.com/apis/design/errors'.format(
                response.error.message))

detect_text()