Files
deer-flow/skills/public/image-generation/scripts/generate.py
2026-01-25 21:57:44 +08:00

97 lines
2.7 KiB
Python

import base64
import os
import requests
def generate_image(
prompt_file: str,
reference_images: list[str],
output_file: str,
aspect_ratio: str = "16:9",
) -> str:
with open(prompt_file, "r") as f:
prompt = f.read()
parts = []
i = 0
for reference_image in reference_images:
i += 1
with open(reference_image, "rb") as f:
image_b64 = base64.b64encode(f.read()).decode("utf-8")
parts.append(
{
"inlineData": {
"mimeType": "image/jpeg",
"data": image_b64,
}
}
)
api_key = os.getenv("GEMINI_API_KEY")
if not api_key:
return "GEMINI_API_KEY is not set"
response = requests.post(
"https://generativelanguage.googleapis.com/v1beta/models/gemini-3-pro-image-preview:generateContent",
headers={
"x-goog-api-key": api_key,
"Content-Type": "application/json",
},
json={
"generationConfig": {"imageConfig": {"aspectRatio": aspect_ratio}},
"contents": [{"parts": [*parts, {"text": prompt}]}],
},
)
json = response.json()
parts: list[dict] = json["candidates"][0]["content"]["parts"]
image_parts = [part for part in parts if part.get("inlineData", False)]
if len(image_parts) == 1:
base64_image = image_parts[0]["inlineData"]["data"]
# Save the image to a file
with open(output_file, "wb") as f:
f.write(base64.b64decode(base64_image))
return f"Successfully generated image to {output_file}"
else:
raise Exception("Failed to generate image")
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(description="Generate images using Gemini API")
parser.add_argument(
"--prompt-file",
required=True,
help="Absolute path to JSON prompt file",
)
parser.add_argument(
"--reference-images",
nargs="*",
default=[],
help="Absolute paths to reference images (space-separated)",
)
parser.add_argument(
"--output-file",
required=True,
help="Output path for generated image",
)
parser.add_argument(
"--aspect-ratio",
required=False,
default="16:9",
help="Aspect ratio of the generated image",
)
args = parser.parse_args()
try:
print(
generate_image(
args.prompt_file,
args.reference_images,
args.output_file,
args.aspect_ratio,
)
)
except Exception:
print("Error while generating image.")