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#!/usr/bin/env python3
"""
Initialize test data folders by archive signatures.
The script scans all files in --input and copies matching archives into:
--output/nres/<relative path>
--output/rsli/<relative path>
"""
from __future__ import annotations
import argparse
import shutil
import sys
from pathlib import Path
MAGIC_NRES = b"NRes"
MAGIC_RSLI = b"NL\x00\x01"
def is_relative_to(path: Path, base: Path) -> bool:
try:
path.relative_to(base)
except ValueError:
return False
return True
def detect_archive_type(path: Path) -> str | None:
try:
with path.open("rb") as handle:
magic = handle.read(4)
except OSError as exc:
print(f"[warn] cannot read {path}: {exc}", file=sys.stderr)
return None
if magic == MAGIC_NRES:
return "nres"
if magic == MAGIC_RSLI:
return "rsli"
return None
def scan_archives(input_root: Path, excluded_root: Path | None) -> list[tuple[Path, str]]:
found: list[tuple[Path, str]] = []
for path in sorted(input_root.rglob("*")):
if not path.is_file():
continue
if excluded_root and is_relative_to(path.resolve(), excluded_root):
continue
archive_type = detect_archive_type(path)
if archive_type:
found.append((path, archive_type))
return found
def confirm_overwrite(path: Path) -> str:
prompt = (
f"File exists: {path}\n"
"Overwrite? [y]es / [n]o / [a]ll / [q]uit (default: n): "
)
while True:
try:
answer = input(prompt).strip().lower()
except EOFError:
return "quit"
if answer in {"", "n", "no"}:
return "no"
if answer in {"y", "yes"}:
return "yes"
if answer in {"a", "all"}:
return "all"
if answer in {"q", "quit"}:
return "quit"
print("Please answer with y, n, a, or q.")
def copy_archives(
archives: list[tuple[Path, str]],
input_root: Path,
output_root: Path,
force: bool,
) -> int:
copied = 0
skipped = 0
overwritten = 0
overwrite_all = force
type_counts = {"nres": 0, "rsli": 0}
for _, archive_type in archives:
type_counts[archive_type] += 1
print(
f"Found archives: total={len(archives)}, "
f"nres={type_counts['nres']}, rsli={type_counts['rsli']}"
)
for source, archive_type in archives:
rel_path = source.relative_to(input_root)
destination = output_root / archive_type / rel_path
destination.parent.mkdir(parents=True, exist_ok=True)
if destination.exists():
if destination.is_dir():
print(
f"[error] destination is a directory, expected file: {destination}",
file=sys.stderr,
)
return 2
if not overwrite_all:
if not sys.stdin.isatty():
print(
"[error] destination file exists but stdin is not interactive. "
"Use --force to overwrite without prompts.",
file=sys.stderr,
)
return 2
decision = confirm_overwrite(destination)
if decision == "quit":
print("Aborted by user.")
return 130
if decision == "no":
skipped += 1
continue
if decision == "all":
overwrite_all = True
overwritten += 1
try:
shutil.copy2(source, destination)
except OSError as exc:
print(f"[error] failed to copy {source} -> {destination}: {exc}", file=sys.stderr)
return 2
copied += 1
print(
f"Done: copied={copied}, overwritten={overwritten}, skipped={skipped}, "
f"output={output_root}"
)
return 0
def build_parser() -> argparse.ArgumentParser:
parser = argparse.ArgumentParser(
description="Initialize test data by scanning NRes/RsLi signatures."
)
parser.add_argument(
"--input",
required=True,
help="Input directory to scan recursively.",
)
parser.add_argument(
"--output",
required=True,
help="Output root directory (archives go to nres/ and rsli/ subdirs).",
)
parser.add_argument(
"--force",
action="store_true",
help="Overwrite destination files without confirmation prompts.",
)
return parser
def main() -> int:
args = build_parser().parse_args()
input_root = Path(args.input)
if not input_root.exists():
print(f"[error] input directory does not exist: {input_root}", file=sys.stderr)
return 2
if not input_root.is_dir():
print(f"[error] input path is not a directory: {input_root}", file=sys.stderr)
return 2
output_root = Path(args.output)
if output_root.exists() and not output_root.is_dir():
print(f"[error] output path exists and is not a directory: {output_root}", file=sys.stderr)
return 2
input_resolved = input_root.resolve()
output_resolved = output_root.resolve()
if input_resolved == output_resolved:
print("[error] input and output directories must be different.", file=sys.stderr)
return 2
excluded_root: Path | None = None
if is_relative_to(output_resolved, input_resolved):
excluded_root = output_resolved
print(f"Notice: output is inside input, skipping scan under: {excluded_root}")
archives = scan_archives(input_root, excluded_root)
output_root.mkdir(parents=True, exist_ok=True)
return copy_archives(archives, input_root, output_root, force=args.force)
if __name__ == "__main__":
raise SystemExit(main())
|
