小编Shu*_*hra的帖子

我正在尝试遍历目录中的图像并通过 goodle_api_vision 获取它们的标签。我在 google.api_core.exceptions.ServiceUnavailable: 503 Name resolution failure 中遇到错误，不知道这里的问题是什么？这是我的代码：

import io
import os

# Imports the Google Cloud client library
from google.cloud import vision
from google.cloud.vision import types

# Instantiates a client
client = vision.ImageAnnotatorClient()

# The name of the image file to annotate
file_name = os.path.join(
    os.path.dirname(__file__),
    'IronMan.PNG')

# Loads the image into memory
with io.open(file_name, 'rb') as image_file:
    content = image_file.read()

image = types.Image(content=content)

# Performs label detection on the image file
response = client.label_detection(image=image)
labels = response.label_annotations …