Generate text from an image with safety settings

This sample demonstrates how to use the Gemini model with safety settings to generate text from an image.

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Code sample

Python

Before trying this sample, follow the Python setup instructions in the Vertex AI quickstart using client libraries. For more information, see the Vertex AI Python API reference documentation.

To authenticate to Vertex AI, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

import vertexai

from vertexai import generative_models

# TODO(developer): Update and un-comment below line
# project_id = "PROJECT_ID"

vertexai.init(project=project_id, location="us-central1")

model = generative_models.GenerativeModel(model_name="gemini-1.0-pro-vision-001")

# Generation config
generation_config = generative_models.GenerationConfig(
    max_output_tokens=2048, temperature=0.4, top_p=1, top_k=32
)

# Safety config
safety_config = [
    generative_models.SafetySetting(
        category=generative_models.HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT,
        threshold=generative_models.HarmBlockThreshold.BLOCK_LOW_AND_ABOVE,
    ),
    generative_models.SafetySetting(
        category=generative_models.HarmCategory.HARM_CATEGORY_HARASSMENT,
        threshold=generative_models.HarmBlockThreshold.BLOCK_LOW_AND_ABOVE,
    ),
]

image_file = Part.from_uri(
    "gs://cloud-samples-data/generative-ai/image/scones.jpg", "image/jpeg"
)

# Generate content
responses = model.generate_content(
    [image_file, "What is in this image?"],
    generation_config=generation_config,
    safety_settings=safety_config,
    stream=True,
)

text_responses = []
for response in responses:
    print(response.text)
    text_responses.append(response.text)

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