mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-08-15 19:14:01 +08:00
543 lines
21 KiB
Python
543 lines
21 KiB
Python
import hashlib
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from pathlib import Path
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from functools import lru_cache
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from typing import Tuple, List, Optional
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import regex as re
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from app.core.config import settings
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from app.core.meta import MetaAnime, MetaMusic, MetaVideo, MetaBase
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from app.core.meta.infopath import (
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clear_parsed_title_for_parent_merge,
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should_use_parent_title_for_file_stem,
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)
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from app.core.meta.words import WordsMatcher
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from app.log import logger
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from app.schemas.types import MediaSource, MediaType
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from app.utils import rust_accel
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from app.utils.media import normalize_media_source, resolve_media_identity
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_ANIME_BRACKET_RE = re.compile(r'【[+0-9XVPI-]+】\s*【', re.IGNORECASE)
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_ANIME_DASH_EPISODE_RE = re.compile(r'\s+-\s+[\dv]{1,4}\s+', re.IGNORECASE)
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_VIDEO_SEASON_EPISODE_RE = re.compile(
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r"S\d{2}\s*-\s*S\d{2}|S\d{2}|\s+S\d{1,2}|"
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r"EP?\d{2,4}\s*-\s*EP?\d{2,4}|EP?\d{2,4}|\s+EP?\d{1,4}",
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re.IGNORECASE,
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)
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_ANIME_SQUARE_BRACKET_RE = re.compile(r'\[[+0-9XVPI-]+]\s*\[', re.IGNORECASE)
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_BRACED_METAINFO_RE = re.compile(r'(?<={\[)[\W\w]+(?=]})')
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_BRACED_TMDBID_RE = re.compile(r'(?<=tmdbid=)\d+')
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_BRACED_DOUBANID_RE = re.compile(r'(?<=doubanid=)\d+')
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_BRACED_BANGUMIID_RE = re.compile(r'(?<=bangumiid=)\d+')
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_BRACED_ANILISTID_RE = re.compile(r'(?<=anilistid=)\d+')
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_BRACED_TYPE_RE = re.compile(r'(?<=type=)\w+')
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_BRACED_EPISODE_GROUP_RE = re.compile(r'(?:^|;)g=([0-9a-fA-F]+)(?=;|$)')
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_BRACED_BEGIN_SEASON_RE = re.compile(r'(?<=s=)\d+')
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_BRACED_END_SEASON_RE = re.compile(r'(?<=s=\d+-)\d+')
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_BRACED_BEGIN_EPISODE_RE = re.compile(r'(?<=e=)\d+')
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_BRACED_END_EPISODE_RE = re.compile(r'(?<=e=\d+-)\d+')
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_EMBY_TMDB_RE_LIST = (
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re.compile(r'\[tmdbid[=\-](\d+)\]'),
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re.compile(r'\[tmdb[=\-](\d+)\]'),
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re.compile(r'\{tmdbid[=\-](\d+)\}'),
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re.compile(r'\{tmdb[=\-](\d+)\}'),
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)
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_EXTENDED_MEDIA_ID_RE_LIST = {
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"bangumi": (
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re.compile(r'\[bangumiid[=\-](\d+)\]'),
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re.compile(r'\[bangumi[=\-](\d+)\]'),
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re.compile(r'\{bangumiid[=\-](\d+)\}'),
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re.compile(r'\{bangumi[=\-](\d+)\}'),
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),
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"anilist": (
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re.compile(r'\[anilistid[=\-](\d+)\]'),
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re.compile(r'\[anilist[=\-](\d+)\]'),
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re.compile(r'\{anilistid[=\-](\d+)\}'),
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re.compile(r'\{anilist[=\-](\d+)\}'),
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),
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}
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_EXTENDED_MEDIA_ID_TAG_RE = re.compile(
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r'(?:bangumi(?:id)?|anilist(?:id)?)[=\-]\d+',
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re.IGNORECASE,
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)
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_GENERIC_MEDIA_ID_TAG_RE = re.compile(r'(?:^|[;\[])media_(?:source|id)=', re.IGNORECASE)
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_RUST_PARSE_OPTIONS_CACHE_KEY = "_cache_key"
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_LEGACY_BRACED_ID_PATTERNS = (
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(MediaSource.TMDB, _BRACED_TMDBID_RE),
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(MediaSource.Douban, _BRACED_DOUBANID_RE),
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(MediaSource.Bangumi, _BRACED_BANGUMIID_RE),
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(MediaSource.AniList, _BRACED_ANILISTID_RE),
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)
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_LEGACY_ID_KEYS = (
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(MediaSource.TMDB, "tmdbid"),
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(MediaSource.Douban, "doubanid"),
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(MediaSource.Bangumi, "bangumiid"),
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(MediaSource.AniList, "anilistid"),
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)
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def _empty_metainfo() -> dict:
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"""
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返回媒体标签的默认结构，避免不同识别请求之间共享可变状态。
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"""
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return {
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'media_source': None,
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'media_id': None,
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'type': None,
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'episode_group': None,
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'begin_season': None,
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'end_season': None,
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'total_season': None,
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'begin_episode': None,
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'end_episode': None,
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'total_episode': None,
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}
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def _normalize_metainfo_identity(metainfo: dict) -> dict:
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"""
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将解析器输出归一为唯一媒体身份，并移除历史来源专用字段。
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Rust扩展或旧缓存仍可能返回专用字段，因此兼容只保留在这一输入边界。
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"""
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normalized = dict(metainfo or {})
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media_source, media_id = resolve_media_identity(media=normalized)
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if not media_source:
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for source, key in _LEGACY_ID_KEYS:
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value = normalized.get(key)
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normalized_id = str(value).strip() if value is not None else ""
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if normalized_id and normalized_id != "0":
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media_source, media_id = source, normalized_id
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break
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for _, key in _LEGACY_ID_KEYS:
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normalized.pop(key, None)
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normalized["media_source"] = media_source
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normalized["media_id"] = media_id
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return normalized
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def _apply_range_total(metainfo: dict, begin_key: str, end_key: str, total_key: str) -> None:
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"""
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计算季/集范围总数；保留原有倒序输入自动交换的兼容行为。
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"""
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if metainfo.get(begin_key) and metainfo.get(end_key):
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if metainfo[begin_key] > metainfo[end_key]:
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metainfo[begin_key], metainfo[end_key] = metainfo[end_key], metainfo[begin_key]
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metainfo[total_key] = metainfo[end_key] - metainfo[begin_key] + 1
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elif metainfo.get(begin_key) and not metainfo.get(end_key):
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metainfo[total_key] = 1
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def _rust_parse_options_cache_key(options: dict) -> str:
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"""
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生成 Rust Meta 配置缓存键，避免扩展层每次重新展开大配置。
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"""
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digest = hashlib.blake2b(digest_size=16)
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def update(value) -> None:
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digest.update(repr(value).encode("utf-8"))
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digest.update(b"\0")
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streaming_platforms = options.get("streaming_platforms") or {}
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update(tuple(options.get("custom_words") or []))
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update(tuple(options.get("media_exts") or []))
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update(options.get("release_groups") or "")
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update(tuple(options.get("customization") or []))
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update(tuple(sorted(
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(str(key), str(value))
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for key, value in streaming_platforms.items()
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)))
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return digest.hexdigest()
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def _find_metainfo_python(title: str) -> Tuple[str, dict]:
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"""
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使用 Python 解析标题中的显式媒体标签，作为 Rust 入口不可用时的兜底。
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"""
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metainfo = _empty_metainfo()
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legacy_identities = {}
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if not title:
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return title, metainfo
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# 自定义识别词是面向用户的独立语法，继续使用各数据源专用 ID 字段。
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results = _BRACED_METAINFO_RE.findall(title)
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if results:
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for result in results:
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legacy_matches = []
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for source, pattern in _LEGACY_BRACED_ID_PATTERNS:
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legacy_match = pattern.search(result)
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if legacy_match:
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legacy_matches.append(legacy_match)
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normalized_id = legacy_match.group(0)
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if normalized_id.isdigit() and normalized_id != "0":
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legacy_identities[source] = normalized_id
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# 查找媒体类型
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mtype = _BRACED_TYPE_RE.search(result)
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if mtype:
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media_type = mtype.group(0)
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if media_type in ["movie", "movies"]:
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metainfo['type'] = MediaType.MOVIE
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elif media_type == "tv":
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metainfo['type'] = MediaType.TV
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# 查找剧集组
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episode_group = _BRACED_EPISODE_GROUP_RE.search(result)
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if episode_group:
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metainfo['episode_group'] = episode_group.group(1)
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# 查找季信息
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begin_season = _BRACED_BEGIN_SEASON_RE.search(result)
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if begin_season and begin_season.group(0).isdigit():
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metainfo['begin_season'] = int(begin_season.group(0))
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end_season = _BRACED_END_SEASON_RE.search(result)
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if end_season and end_season.group(0).isdigit():
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metainfo['end_season'] = int(end_season.group(0))
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# 查找集信息
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begin_episode = _BRACED_BEGIN_EPISODE_RE.search(result)
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if begin_episode and begin_episode.group(0).isdigit():
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metainfo['begin_episode'] = int(begin_episode.group(0))
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end_episode = _BRACED_END_EPISODE_RE.search(result)
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if end_episode and end_episode.group(0).isdigit():
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metainfo['end_episode'] = int(end_episode.group(0))
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# 去除title中该部分
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if (
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legacy_matches
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or mtype
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or episode_group
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or begin_season
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or end_season
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or begin_episode
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or end_episode
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):
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title = title.replace(f"{{[{result}]}}", '')
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# 支持Emby格式的ID标签；第一个 [tmdbid] 历史上始终优先处理，用于覆盖前面 {[...]} 中的旧标签。
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tmdb_match = _EMBY_TMDB_RE_LIST[0].search(title)
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if tmdb_match:
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if tmdb_match.group(1) != "0":
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legacy_identities[MediaSource.TMDB] = tmdb_match.group(1)
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title = _EMBY_TMDB_RE_LIST[0].sub('', title).strip()
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elif MediaSource.TMDB not in legacy_identities:
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# 保持原有优先级：[tmdbid] > [tmdb] > {tmdbid} > {tmdb}
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for tmdb_re in _EMBY_TMDB_RE_LIST[1:]:
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tmdb_match = tmdb_re.search(title)
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if tmdb_match:
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if tmdb_match.group(1) != "0":
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legacy_identities[MediaSource.TMDB] = tmdb_match.group(1)
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title = tmdb_re.sub('', title).strip()
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break
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for source_name, patterns in _EXTENDED_MEDIA_ID_RE_LIST.items():
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source = normalize_media_source(source_name)
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if not source or source in legacy_identities:
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continue
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for media_id_re in patterns:
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media_id_match = media_id_re.search(title)
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if not media_id_match:
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continue
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if media_id_match.group(1) != "0":
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legacy_identities[source] = media_id_match.group(1)
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title = media_id_re.sub('', title).strip()
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break
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media_source, media_id = None, None
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for source, _ in _LEGACY_ID_KEYS:
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if legacy_identities.get(source):
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media_source, media_id = source, legacy_identities[source]
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break
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metainfo['media_source'] = media_source
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metainfo['media_id'] = media_id
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# 计算季集总数
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_apply_range_total(metainfo, 'begin_season', 'end_season', 'total_season')
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_apply_range_total(metainfo, 'begin_episode', 'end_episode', 'total_episode')
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return title, _normalize_metainfo_identity(metainfo)
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def _build_meta_info(
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title: str,
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subtitle: Optional[str] = None,
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custom_words: List[str] = None,
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) -> MetaBase:
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"""
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根据标题构造元数据
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"""
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# 原标题
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org_title = title
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# 预处理标题
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title, apply_words = WordsMatcher().prepare(title, custom_words=custom_words)
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# 获取标题中媒体信息
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title, metainfo = find_metainfo(title)
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# 判断是否处理文件
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media_exts = settings.RMT_MEDIAEXT + settings.RMT_SUBEXT + settings.RMT_AUDIOEXT
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title_path = Path(title) if title else None
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if title_path and title_path.suffix.lower() in media_exts:
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isfile = True
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# 去掉后缀
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title = title_path.stem
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else:
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isfile = False
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# 识别
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meta = MetaAnime(title, subtitle, isfile) if is_anime(title) else MetaVideo(title, subtitle, isfile)
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# 记录原标题
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meta.title = org_title
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# 记录使用的识别词
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meta.apply_words = apply_words or []
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# 修正媒体信息
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media_source, media_id = resolve_media_identity(media=metainfo)
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if media_source and media_id:
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meta.media_source = media_source
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meta.media_id = media_id
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if metainfo.get('type'):
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meta.type = MediaType(metainfo['type']) if isinstance(metainfo['type'], str) else metainfo['type']
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if metainfo.get('episode_group'):
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meta.episode_group = metainfo['episode_group']
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if metainfo.get('begin_season') is not None:
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meta.begin_season = metainfo['begin_season']
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if metainfo.get('end_season') is not None:
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meta.end_season = metainfo['end_season']
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if metainfo.get('total_season') is not None:
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meta.total_season = metainfo['total_season']
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if metainfo.get('begin_episode') is not None:
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meta.begin_episode = metainfo['begin_episode']
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if metainfo.get('end_episode') is not None:
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meta.end_episode = metainfo['end_episode']
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if metainfo.get('total_episode') is not None:
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meta.total_episode = metainfo['total_episode']
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return meta
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@lru_cache(maxsize=1)
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def _rust_default_parse_options() -> dict:
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"""
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缓存 Rust Meta 默认解析配置，避免热路径反复读取配置并复制流媒体平台大表。
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"""
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from app.core.meta.customization import CustomizationMatcher
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from app.core.meta.releasegroup import ReleaseGroupsMatcher
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from app.core.meta.streamingplatform import StreamingPlatforms
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from app.db.systemconfig_oper import SystemConfigOper
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from app.schemas.types import SystemConfigKey
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systemconfig = SystemConfigOper()
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release_groups = ReleaseGroupsMatcher().get_release_groups()
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customization = CustomizationMatcher.normalize_customization(
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systemconfig.get(SystemConfigKey.Customization)
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)
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options = {
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"custom_words": systemconfig.get(SystemConfigKey.CustomIdentifiers) or [],
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"media_exts": settings.RMT_MEDIAEXT + settings.RMT_SUBEXT + settings.RMT_AUDIOEXT,
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"release_groups": release_groups,
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"customization": customization,
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"streaming_platforms": StreamingPlatforms().get_lookup_cache(),
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}
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options[_RUST_PARSE_OPTIONS_CACHE_KEY] = _rust_parse_options_cache_key(options)
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return options
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@lru_cache(maxsize=256)
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def _rust_custom_parse_options(custom_words: Tuple[str, ...]) -> dict:
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"""
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缓存带自定义识别词的 Rust Meta 配置，避免同一组识别词重复构造配置对象。
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"""
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options = dict(_rust_default_parse_options())
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options["custom_words"] = list(custom_words)
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options[_RUST_PARSE_OPTIONS_CACHE_KEY] = _rust_parse_options_cache_key(options)
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return options
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def _rust_parse_options(custom_words: List[str] = None) -> dict:
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"""
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收集 Rust Meta 解析所需的运行时配置，避免 Rust 层直接访问数据库和 settings。
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"""
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if custom_words is None:
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return _rust_default_parse_options()
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return _rust_custom_parse_options(tuple(custom_words or []))
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def clear_rust_parse_options_cache() -> None:
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"""
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清理 Rust Meta 默认解析配置缓存，供系统配置变更后重载使用。
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"""
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_rust_default_parse_options.cache_clear()
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_rust_custom_parse_options.cache_clear()
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def _meta_from_rust(parsed: dict) -> Optional[MetaBase]:
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"""
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将 Rust 解析结果灌回现有 MetaVideo/MetaAnime 对象，保留下游属性和方法兼容性。
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"""
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if not parsed:
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return None
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parsed = _normalize_metainfo_identity(parsed)
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meta = MetaAnime("") if parsed.get("kind") == "anime" else MetaVideo("")
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type_map = {
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MediaType.MOVIE.value: MediaType.MOVIE,
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MediaType.TV.value: MediaType.TV,
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MediaType.COLLECTION.value: MediaType.COLLECTION,
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MediaType.UNKNOWN.value: MediaType.UNKNOWN,
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}
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fields = {
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"isfile": parsed.get("isfile") or False,
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"title": parsed.get("title") or "",
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"org_string": parsed.get("org_string"),
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"subtitle": parsed.get("subtitle"),
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"type": type_map.get(parsed.get("type"), MediaType.UNKNOWN),
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"cn_name": parsed.get("cn_name"),
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"en_name": parsed.get("en_name"),
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"original_name": parsed.get("original_name"),
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"year": parsed.get("year"),
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"total_season": parsed.get("total_season") or 0,
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"begin_season": parsed.get("begin_season"),
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"end_season": parsed.get("end_season"),
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"total_episode": parsed.get("total_episode") or 0,
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"begin_episode": parsed.get("begin_episode"),
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"end_episode": parsed.get("end_episode"),
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"part": parsed.get("part"),
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"resource_type": parsed.get("resource_type"),
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"resource_effect": parsed.get("resource_effect"),
|
||
"resource_pix": parsed.get("resource_pix"),
|
||
"resource_team": parsed.get("resource_team"),
|
||
"customization": parsed.get("customization"),
|
||
"web_source": parsed.get("web_source"),
|
||
"video_encode": parsed.get("video_encode"),
|
||
"video_bit": parsed.get("video_bit"),
|
||
"audio_encode": parsed.get("audio_encode"),
|
||
"apply_words": parsed.get("apply_words") or [],
|
||
"media_source": parsed.get("media_source"),
|
||
"media_id": parsed.get("media_id"),
|
||
"episode_group": parsed.get("episode_group"),
|
||
"fps": parsed.get("fps"),
|
||
}
|
||
for key, value in fields.items():
|
||
setattr(meta, key, value)
|
||
return meta
|
||
|
||
|
||
def _requires_python_metainfo(
|
||
title: str,
|
||
custom_words: Optional[List[str]] = None,
|
||
) -> bool:
|
||
"""
|
||
判断标题或临时识别词是否必须由 Python 解析器处理媒体身份标签。
|
||
|
||
:param title: 原始标题
|
||
:param custom_words: 临时识别词
|
||
:return: 是否必须使用Python解析器
|
||
"""
|
||
candidates = [title or "", *(custom_words or [])]
|
||
if any(_GENERIC_MEDIA_ID_TAG_RE.search(candidate) for candidate in candidates):
|
||
return True
|
||
contains_extended_id = any(
|
||
_EXTENDED_MEDIA_ID_TAG_RE.search(candidate) for candidate in candidates
|
||
)
|
||
return contains_extended_id and not rust_accel.supports_extended_media_ids()
|
||
|
||
|
||
def MetaInfo(title: str, subtitle: Optional[str] = None, custom_words: List[str] = None,
|
||
force_video: bool = False) -> MetaBase:
|
||
"""
|
||
根据标题和副标题识别元数据
|
||
:param title: 标题、种子名、文件名
|
||
:param subtitle: 副标题、描述
|
||
:param custom_words: 自定义识别词列表
|
||
:param force_video: 音频后缀的影视附加轨（如评论音轨）强制按视频解析，用于影视整理场景
|
||
:return: MetaAnime、MetaVideo、MetaMusic
|
||
"""
|
||
# 音频文件名直接走音乐分支，避免进入影视季集解析，但影视附加音轨强制走视频解析
|
||
audio_suffix = Path(title).suffix.lower() if title else ""
|
||
if not force_video and audio_suffix in settings.RMT_AUDIOEXT:
|
||
return MetaMusic(
|
||
org_string=title,
|
||
title=Path(title).stem,
|
||
audio_format=audio_suffix.lstrip(".").upper() or None,
|
||
parse_title=True,
|
||
)
|
||
rust_meta = None
|
||
if not _requires_python_metainfo(title, custom_words):
|
||
rust_meta = _meta_from_rust(
|
||
rust_accel.parse_metainfo(title, subtitle, _rust_parse_options(custom_words))
|
||
)
|
||
if rust_meta:
|
||
return rust_meta
|
||
meta = _build_meta_info(title=title, subtitle=subtitle, custom_words=custom_words)
|
||
if meta.apply_words:
|
||
original_meta = _build_meta_info(title=title, subtitle=subtitle)
|
||
meta.original_name = original_meta.name or meta.name
|
||
else:
|
||
meta.original_name = meta.name
|
||
return meta
|
||
|
||
|
||
def MetaInfoPath(path: Path, custom_words: List[str] = None, force_video: bool = False) -> MetaBase:
|
||
"""
|
||
根据路径识别元数据
|
||
:param path: 路径
|
||
:param custom_words: 自定义识别词列表
|
||
:param force_video: 音频后缀的影视附加轨（如评论音轨）强制按视频解析，用于影视整理场景
|
||
"""
|
||
# 音频文件直接构造音乐元数据，不参与父目录季集合并，影视附加音轨强制走视频解析
|
||
audio_suffix = path.suffix.lower()
|
||
if not force_video and audio_suffix in settings.RMT_AUDIOEXT:
|
||
return MetaMusic(
|
||
org_string=path.name,
|
||
title=path.stem,
|
||
audio_format=audio_suffix.lstrip(".").upper() or None,
|
||
).apply_path_context(path)
|
||
path_context = " ".join(
|
||
[path.name, path.parent.name, path.parent.parent.name]
|
||
)
|
||
rust_meta = None
|
||
if not _requires_python_metainfo(path_context, custom_words):
|
||
rust_meta = _meta_from_rust(
|
||
rust_accel.parse_metainfo_path(str(path), _rust_parse_options(custom_words))
|
||
)
|
||
if rust_meta:
|
||
return rust_meta
|
||
# 文件元数据，不包含后缀
|
||
file_meta = MetaInfo(title=path.name, custom_words=custom_words)
|
||
if should_use_parent_title_for_file_stem(path.stem, path.parent.name, file_meta):
|
||
clear_parsed_title_for_parent_merge(file_meta)
|
||
# 上级目录元数据
|
||
dir_meta = MetaInfo(title=path.parent.name, custom_words=custom_words)
|
||
if file_meta.type == MediaType.TV or dir_meta.type != MediaType.TV:
|
||
# 合并元数据
|
||
file_meta.merge(dir_meta)
|
||
# 上上级目录元数据
|
||
root_meta = MetaInfo(title=path.parent.parent.name, custom_words=custom_words)
|
||
if file_meta.type == MediaType.TV or root_meta.type != MediaType.TV:
|
||
# 合并元数据
|
||
file_meta.merge(root_meta)
|
||
return file_meta
|
||
|
||
|
||
def is_anime(name: str) -> bool:
|
||
"""
|
||
判断是否为动漫
|
||
:param name: 名称
|
||
:return: 是否动漫
|
||
"""
|
||
if not name:
|
||
return False
|
||
if _ANIME_BRACKET_RE.search(name):
|
||
return True
|
||
if _ANIME_DASH_EPISODE_RE.search(name):
|
||
return True
|
||
if _VIDEO_SEASON_EPISODE_RE.search(name):
|
||
return False
|
||
if _ANIME_SQUARE_BRACKET_RE.search(name):
|
||
return True
|
||
return False
|
||
|
||
|
||
def find_metainfo(title: str) -> Tuple[str, dict]:
|
||
"""
|
||
从标题中提取媒体信息
|
||
"""
|
||
rust_result = None
|
||
if not _requires_python_metainfo(title):
|
||
rust_result = rust_accel.find_metainfo(title)
|
||
if rust_result:
|
||
return rust_result["title"], _normalize_metainfo_identity(rust_result["metainfo"])
|
||
return _find_metainfo_python(title)
|