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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| from typing import List, Tuple | ||
|
|
||
| import cn2an | ||
| import regex as re | ||
|
|
||
| from app.db.systemconfig_oper import SystemConfigOper | ||
| from app.log import logger | ||
| from app.schemas.types import SystemConfigKey | ||
| from app.utils.singleton import Singleton | ||
|
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||
|
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| class WordsMatcher(metaclass=Singleton): | ||
|
|
||
| def __init__(self): | ||
| self.systemconfig = SystemConfigOper() | ||
|
|
||
| def prepare(self, title: str) -> Tuple[str, List[str]]: | ||
| """ | ||
| 预处理标题，支持三种格式 | ||
| 1：屏蔽词 | ||
| 2：被替换词 => 替换词 | ||
| 3：前定位词 <> 后定位词 >> 偏移量（EP） | ||
| """ | ||
| appley_words = [] | ||
| # 读取自定义识别词 | ||
| words: List[str] = self.systemconfig.get(SystemConfigKey.CustomIdentifiers) or [] | ||
| for word in words: | ||
| if not word: | ||
| continue | ||
| try: | ||
| if word.count(" => "): | ||
| # 替换词 | ||
| strings = word.split(" => ") | ||
| title, message, state = self.__replace_regex(title, strings[0], strings[1]) | ||
| elif word.count(" >> ") and word.count(" <> "): | ||
| # 集偏移 | ||
| strings = word.split(" <> ") | ||
| offsets = strings[1].split(" >> ") | ||
| title, message, state = self.__episode_offset(title, strings[0], strings[1], | ||
| offsets[1]) | ||
| else: | ||
| # 屏蔽词 | ||
| title, message, state = self.__replace_regex(title, word, "") | ||
|
|
||
| if state: | ||
| appley_words.append(word) | ||
| else: | ||
| logger.error(f"自定义识别词替换失败：{message}") | ||
| except Exception as err: | ||
| print(str(err)) | ||
|
|
||
| return title, appley_words | ||
|
|
||
| @staticmethod | ||
| def __replace_regex(title: str, replaced: str, replace: str) -> Tuple[str, str, bool]: | ||
| """ | ||
| 正则替换 | ||
| """ | ||
| try: | ||
| if not re.findall(r'%s' % replaced, title): | ||
| return title, "", False | ||
| else: | ||
| return re.sub(r'%s' % replaced, r'%s' % replace, title), "", True | ||
| except Exception as err: | ||
| print(str(err)) | ||
| return title, str(err), False | ||
|
|
||
| @staticmethod | ||
| def __episode_offset(title: str, front: str, back: str, offset: str) -> Tuple[str, str, bool]: | ||
| """ | ||
| 集数偏移 | ||
| """ | ||
| try: | ||
| if back and not re.findall(r'%s' % back, title): | ||
| return title, "", False | ||
| if front and not re.findall(r'%s' % front, title): | ||
| return title, "", False | ||
| offset_word_info_re = re.compile(r'(?<=%s.*?)[0-9一二三四五六七八九十]+(?=.*?%s)' % (front, back)) | ||
| episode_nums_str = re.findall(offset_word_info_re, title) | ||
| if not episode_nums_str: | ||
| return title, "", False | ||
| episode_nums_offset_str = [] | ||
| offset_order_flag = False | ||
| for episode_num_str in episode_nums_str: | ||
| episode_num_int = int(cn2an.cn2an(episode_num_str, "smart")) | ||
| offset_caculate = offset.replace("EP", str(episode_num_int)) | ||
| episode_num_offset_int = int(eval(offset_caculate)) | ||
| # 向前偏移 | ||
| if episode_num_int > episode_num_offset_int: | ||
| offset_order_flag = True | ||
| # 向后偏移 | ||
| elif episode_num_int < episode_num_offset_int: | ||
| offset_order_flag = False | ||
| # 原值是中文数字，转换回中文数字，阿拉伯数字则还原0的填充 | ||
| if not episode_num_str.isdigit(): | ||
| episode_num_offset_str = cn2an.an2cn(episode_num_offset_int, "low") | ||
| else: | ||
| count_0 = re.findall(r"^0+", episode_num_str) | ||
| if count_0: | ||
| episode_num_offset_str = f"{count_0[0]}{episode_num_offset_int}" | ||
| else: | ||
| episode_num_offset_str = str(episode_num_offset_int) | ||
| episode_nums_offset_str.append(episode_num_offset_str) | ||
| episode_nums_dict = dict(zip(episode_nums_str, episode_nums_offset_str)) | ||
| # 集数向前偏移，集数按升序处理 | ||
| if offset_order_flag: | ||
| episode_nums_list = sorted(episode_nums_dict.items(), key=lambda x: x[1]) | ||
| # 集数向后偏移，集数按降序处理 | ||
| else: | ||
| episode_nums_list = sorted(episode_nums_dict.items(), key=lambda x: x[1], reverse=True) | ||
| for episode_num in episode_nums_list: | ||
| episode_offset_re = re.compile( | ||
| r'(?<=%s.*?)%s(?=.*?%s)' % (front, episode_num[0], back)) | ||
| title = re.sub(episode_offset_re, r'%s' % episode_num[1], title) | ||
| return title, "", True | ||
| except Exception as err: | ||
| print(str(err)) | ||
| return title, str(err), False |
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