150 lines
4.6 KiB
Python
150 lines
4.6 KiB
Python
"""Кодове на секции: PREFIX_0001_SEC_0001 и проверка на номерацията."""
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from __future__ import annotations
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import re
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from pathlib import Path
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from typing import Optional
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WIPED_HASH = "0" * 64
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_CODE_RE = re.compile(r"^(.+)_(\d{4})_SEC_(\d{4})$")
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def make_code(prefix: str, file_index: int, sec_index: int) -> str:
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return f"{prefix}_{file_index:04d}_SEC_{sec_index:04d}"
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def parse_code(code: str) -> Optional[tuple[str, int, int]]:
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m = _CODE_RE.match(str(code or "").strip())
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if not m:
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return None
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return m.group(1), int(m.group(2)), int(m.group(3))
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def source_basename(path_str: str) -> str:
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return Path(str(path_str or "").replace("\\", "/")).name
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def source_identity(path: Path, input_dir: Optional[Path] = None) -> str:
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"""Стабилен ключ за файла: относителен път в input_dir, иначе basename."""
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if input_dir:
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try:
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return str(path.resolve().relative_to(input_dir.resolve())).replace("\\", "/")
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except ValueError:
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pass
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return path.name
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def numbering_report(codes: list[str]) -> dict:
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"""Проверява уникална последователна SEC номерация за един файл."""
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parsed: list[tuple[str, str, int, int]] = []
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issues: list[str] = []
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for c in codes:
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p = parse_code(c)
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if not p:
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issues.append(f"невалиден код: {c}")
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continue
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parsed.append((c, p[0], p[1], p[2]))
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if not codes:
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return {
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"count": 0,
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"ok": True,
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"file_index": None,
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"first": None,
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"last": None,
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"codes": [],
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"issues": [],
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}
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indexes = {p[2] for p in parsed}
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if len(indexes) > 1:
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issues.append(
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"различни file_index в кодовете: " + ", ".join(str(i) for i in sorted(indexes))
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)
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file_index = min(indexes) if indexes else None
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secs = [p[3] for p in parsed]
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tally: dict[int, int] = {}
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for s in secs:
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tally[s] = tally.get(s, 0) + 1
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dups = sorted(s for s, n in tally.items() if n > 1)
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if dups:
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issues.append("дублирани SEC: " + ", ".join(f"{s:04d}" for s in dups[:8]))
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n = len(parsed)
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expected = list(range(1, n + 1))
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actual = sorted(secs)
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if actual != expected:
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missing = [x for x in expected if x not in tally]
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if missing:
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issues.append("липсващи SEC: " + ", ".join(f"{s:04d}" for s in missing[:8]))
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elif actual:
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issues.append(f"номерацията не е 1…{n:04d}")
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codes_sorted = [p[0] for p in sorted(parsed, key=lambda x: (x[2], x[3], x[0]))]
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return {
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"count": len(codes),
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"ok": not issues,
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"file_index": file_index,
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"first": codes_sorted[0] if codes_sorted else None,
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"last": codes_sorted[-1] if codes_sorted else None,
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"codes": codes_sorted,
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"issues": issues,
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}
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def remove_section_outputs(
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output_dir: Path,
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codes: list[str],
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output_paths: Optional[list[str]] = None,
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) -> int:
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removed = 0
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images_dir = output_dir / "images"
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for code in codes:
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if not code:
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continue
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local_txt = output_dir / f"{code}.txt"
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try:
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if local_txt.exists():
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local_txt.unlink()
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removed += 1
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except Exception:
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pass
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if images_dir.is_dir():
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for img in images_dir.glob(f"{code}_*"):
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try:
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img.unlink()
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removed += 1
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except Exception:
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pass
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for op in output_paths or []:
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if not op:
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continue
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try:
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opath = Path(op)
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stem = Path(str(op).replace("\\", "/")).stem
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local_txt = output_dir / f"{stem}.txt"
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if opath.exists():
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try:
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if not local_txt.exists() or opath.resolve() != local_txt.resolve():
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opath.unlink()
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removed += 1
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except Exception:
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pass
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except Exception:
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pass
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return removed
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def file_result(
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rel: str,
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file_index: Optional[int],
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codes: list[str],
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saved: int = 0,
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skipped: bool = False,
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) -> dict:
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report = numbering_report(codes)
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if file_index is not None:
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report["file_index"] = file_index
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return {
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"file": rel,
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"saved": saved,
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"skipped": skipped,
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**report,
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}
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