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from __future__ import annotations
import bz2
import shutil
import sys
import urllib.request
from pathlib import Path
ROOT_DIR = Path(__file__).resolve().parent.parent
DATA_DIR = ROOT_DIR / "backend" / "data"
BASE_URL = "https://www.fuzzwork.co.uk/dump/latest"
REQUIRED_FILES = {
"mapDenormalize.csv": f"{BASE_URL}/mapDenormalize.csv.bz2",
"mapJumps.csv": f"{BASE_URL}/mapJumps.csv.bz2",
"invTypes.csv": f"{BASE_URL}/invTypes.csv.bz2",
"mapRegions.csv": f"{BASE_URL}/mapRegions.csv.bz2",
}
def download_and_extract(file_name: str, url: str) -> None:
destination = DATA_DIR / file_name
archive_path = destination.with_suffix(destination.suffix + ".bz2")
if destination.exists():
print(f"Skipping {file_name}; already exists.")
return
print(f"Downloading {file_name} from {url}")
try:
with urllib.request.urlopen(url, timeout=60) as response, archive_path.open("wb") as output_file:
shutil.copyfileobj(response, output_file)
with bz2.open(archive_path, "rb") as compressed_file, destination.open("wb") as output_file:
shutil.copyfileobj(compressed_file, output_file)
finally:
archive_path.unlink(missing_ok=True)
print(f"Wrote {destination}")
def main() -> int:
DATA_DIR.mkdir(parents=True, exist_ok=True)
for file_name, url in REQUIRED_FILES.items():
download_and_extract(file_name, url)
print("EVE static data is ready.")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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