Datasets:
File size: 3,443 Bytes
08b40b0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | #!/usr/bin/env python3
import json
import logging
from pathlib import Path
# ---------------------------------------------------------------------------
# Config
# ---------------------------------------------------------------------------
ROOT = Path(__file__).parent.parent.parent
SOURCE_DIR = ROOT / "source" / "motors" / "detail"
OUTPUT_FILE = ROOT / "data" / "motors.jsonl"
PREFIX = "motor"
logging.basicConfig(level=logging.INFO, format="%(message)s")
log = logging.getLogger(__name__)
# ---------------------------------------------------------------------------
# Mapper
# ---------------------------------------------------------------------------
def transform_motor(data: dict) -> dict:
"""Flatten motor JSON into a ChromaDB-ready format."""
chroma_id = f"{PREFIX}:{int(data['id']):06d}"
# Build searchable document text
parts = []
title = data.get('title') or data.get('designation')
mfr = data.get('manufacturer')
summary = f"Rocket Motor: {title}"
if mfr: summary += f" manufactured by {mfr}"
summary += "."
parts.append(summary)
perf = data.get("performance", {})
phys = data.get("physical", {})
stats = []
if data.get("letter"): stats.append(f"Class: {data['letter']}")
if perf.get("total_impulse_ns"): stats.append(f"Total Impulse: {perf['total_impulse_ns']} Ns")
if perf.get("average_thrust_n"): stats.append(f"Average Thrust: {perf['average_thrust_n']} N")
if phys.get("diameter_mm"): stats.append(f"Diameter: {phys['diameter_mm']} mm")
if stats:
parts.append("Performance: " + ", ".join(stats) + ".")
if data.get("description"):
parts.append(f"Description: {data['description']}")
document = " ".join(parts)
# Flatten metadata
metadata = {
"id": data["id"],
"designation": data.get("designation"),
"manufacturer": mfr,
"letter": data.get("letter"),
"diameter_mm": phys.get("diameter_mm"),
"total_impulse_ns": perf.get("total_impulse_ns"),
"average_thrust_n": perf.get("average_thrust_n"),
"url": data.get("url")
}
metadata = {k: v for k, v in metadata.items() if v is not None}
return {
"id": chroma_id,
"document": document,
"metadata": metadata
}
# ---------------------------------------------------------------------------
# Main
# ---------------------------------------------------------------------------
def main():
if not SOURCE_DIR.exists():
log.error(f"Source directory {SOURCE_DIR} not found.")
return
OUTPUT_FILE.parent.mkdir(parents=True, exist_ok=True)
count = 0
with OUTPUT_FILE.open("w", encoding="utf-8") as out:
for shard_dir in sorted(SOURCE_DIR.iterdir()):
if not shard_dir.is_dir(): continue
for file_path in sorted(shard_dir.glob("*.json")):
try:
with file_path.open("r", encoding="utf-8") as f:
raw_data = json.load(f)
processed = transform_motor(raw_data)
out.write(json.dumps(processed, ensure_ascii=False) + "\n")
count += 1
except Exception as e:
log.error(f"Error processing {file_path}: {e}")
log.info(f"Successfully built {count} records in {OUTPUT_FILE}")
if __name__ == "__main__":
main()
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