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2025-11-30 08:30:14 +08:00

110 lines
3.4 KiB
Python

#!/usr/bin/env python3
"""
Scientific schematic generation using Nano Banana Pro.
Generate any scientific diagram by describing it in natural language.
Nano Banana Pro handles everything automatically with iterative refinement.
Usage:
# Generate any diagram
python generate_schematic.py "CONSORT flowchart" -o flowchart.png
# Neural network architecture
python generate_schematic.py "Transformer architecture" -o transformer.png
# Biological pathway
python generate_schematic.py "MAPK signaling pathway" -o pathway.png
"""
import argparse
import os
import subprocess
import sys
from pathlib import Path
def main():
"""Command-line interface."""
parser = argparse.ArgumentParser(
description="Generate scientific schematics using AI with iterative refinement",
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog="""
How it works:
Simply describe your diagram in natural language
Nano Banana Pro generates it automatically with:
- Iterative refinement (3 rounds by default)
- Automatic quality review and improvement
- Publication-ready output
Examples:
# Generate any diagram
python generate_schematic.py "CONSORT participant flow" -o flowchart.png
# Custom iterations for complex diagrams
python generate_schematic.py "Transformer architecture" -o arch.png --iterations 5
# Verbose output
python generate_schematic.py "Circuit diagram" -o circuit.png -v
Environment Variables:
OPENROUTER_API_KEY Required for AI generation
"""
)
parser.add_argument("prompt",
help="Description of the diagram to generate")
parser.add_argument("-o", "--output", required=True,
help="Output file path")
parser.add_argument("--iterations", type=int, default=3,
help="Number of AI refinement iterations (default: 3)")
parser.add_argument("--api-key",
help="OpenRouter API key (or use OPENROUTER_API_KEY env var)")
parser.add_argument("-v", "--verbose", action="store_true",
help="Verbose output")
args = parser.parse_args()
# Check for API key
api_key = args.api_key or os.getenv("OPENROUTER_API_KEY")
if not api_key:
print("Error: OPENROUTER_API_KEY environment variable not set")
print("\nFor AI generation, you need an OpenRouter API key.")
print("Get one at: https://openrouter.ai/keys")
print("\nSet it with:")
print(" export OPENROUTER_API_KEY='your_api_key'")
print("\nOr use --api-key flag")
sys.exit(1)
# Find AI generation script
script_dir = Path(__file__).parent
ai_script = script_dir / "generate_schematic_ai.py"
if not ai_script.exists():
print(f"Error: AI generation script not found: {ai_script}")
sys.exit(1)
# Build command
cmd = [sys.executable, str(ai_script), args.prompt, "-o", args.output]
if args.iterations != 3:
cmd.extend(["--iterations", str(args.iterations)])
if api_key:
cmd.extend(["--api-key", api_key])
if args.verbose:
cmd.append("-v")
# Execute
try:
result = subprocess.run(cmd, check=False)
sys.exit(result.returncode)
except Exception as e:
print(f"Error executing AI generation: {e}")
sys.exit(1)
if __name__ == "__main__":
main()