fix filter

app/core/config.py

@@ -108,7 +108,7 @@ class Settings(BaseSettings):
     # Plex Token
     PLEX_TOKEN: str = None
     # 过滤规则
-    FILTER_RULE: str = ""
+    FILTER_RULE: str = "!BLU & 4K & CN > !BLU & 1080P & CN > !BLU & 4K > !BLU & 1080P"
     # 转移方式 link/copy/move/softlink
     TRANSFER_TYPE: str = "copy"
     # CookieCloud服务器地址

app/modules/filter/RuleParser.py

@@ -42,11 +42,5 @@ class RuleParser:
 if __name__ == '__main__':
     # 测试代码
     expression1 = "!BLU & (1080P | CN)"
-    expression2 = "!(A | B) & C"
-    expression3 = "A & B | C"
     parsed_expr1 = RuleParser().parse(expression1)
-    parsed_expr2 = RuleParser().parse(expression2)
-    parsed_expr3 = RuleParser().parse(expression3)
-    print(f"Parsed Expression 1: {parsed_expr1}")
-    print(f"Parsed Expression 2: {parsed_expr2}")
-    print(f"Parsed Expression 3: {parsed_expr3}")
+    print(parsed_expr1.as_list())

app/modules/filter/__init__.py

@@ -1,20 +1,147 @@
-from typing import List, Tuple, Union
+import re
+from typing import List, Tuple, Union, Dict, Optional
 
-from app.core import TorrentInfo
+from pyparsing import ParseResults
+
+from app.core import TorrentInfo, settings
 from app.modules import _ModuleBase
+from app.modules.filter.RuleParser import RuleParser
 
 
 class FilterModule(_ModuleBase):
+    # 规则解析器
+    parser: RuleParser = None
+
+    # 内置规则集
+    rule_set: Dict[str, dict] = {
+        # 蓝光
+        "BLU": {
+            "include": [r'Blu-?Ray.+VC-?1|Blu-?Ray.+AVC|UHD.+blu-?ray.+HEVC'],
+            "exclude": []
+        },
+        # 4K
+        "4K": {
+            "include": [r'4k|2160p|x2160'],
+            "exclude": []
+        },
+        # 1080P
+        "1080P": {
+            "include": [r'1080[pi]|x1080'],
+            "exclude": []
+        },
+        # 中字
+        "CN": {
+            "include": [r'特效|[中国國繁简](/|\s|\\|\|)?[繁简英粤]|[英简繁](/|\s|\\|\|)?[中繁简]|繁體|简体|[中国國][字配]|国语|國語|中文'],
+            "exclude": []
+        },
+        # H265
+        "H265": {
+            "include": [r'[Hx].?265'],
+            "exclude": []
+        },
+        # H264
+        "H264": {
+            "include": [r'[Hx].?264'],
+            "exclude": []
+        },
+        # 杜比
+        "DOLBY": {
+            "include": [r"DOLBY|DOVI|\s+DV$|\s+DV\s+"],
+            "exclude": []
+        },
+        # HDR
+        "HDR": {
+            "include": [r"\s+HDR\s+|HDR10|HDR10\+"],
+            "exclude": []
+        },
+        # 重编码
+        "REMUX": {
+            "include": [r'REMUX'],
+            "exclude": []
+        }
+    }
+
     def init_module(self) -> None:
-        pass
+        self.parser = RuleParser()
 
     def init_setting(self) -> Tuple[str, Union[str, bool]]:
         return "FILTER_RULE", True
 
     def filter_torrents(self, torrent_list: List[TorrentInfo]) -> List[TorrentInfo]:
         """
-        TODO 过滤资源
+        过滤种子资源
         :param torrent_list:  资源列表
-        :return: 过滤后的资源列表，注意如果返回None，有可能是没有对应的处理模块，应无视结果
+        :return: 过滤后的资源列表，添加资源优先级
         """
-        pass
+        # 返回种子列表
+        ret_torrents = []
+        for torrent in torrent_list:
+            # 能命中优先级的才返回
+            if self.__get_order(torrent, settings.FILTER_RULE):
+                ret_torrents.append(torrent)
+
+        return ret_torrents
+
+    def __get_order(self, torrent: TorrentInfo, rule_str: str) -> Optional[TorrentInfo]:
+        """
+        获取种子匹配的规则优先级，值越大越优先，未匹配时返回None
+        """
+        # 多级规则
+        rule_groups = rule_str.split('>')
+        # 优先级
+        res_order = 100
+        # 是否匹配
+        matched = False
+
+        for rule_group in rule_groups:
+            # 解析规则组
+            parsed_group = self.parser.parse(rule_group.strip())
+            if self.__match_group(torrent, parsed_group.as_list()):
+                # 出现匹配时中断
+                matched = True
+                torrent.pri_order = res_order
+                break
+            # 优先级降低，继续匹配
+            res_order -= 1
+
+        return None if not matched else torrent
+
+    def __match_group(self, torrent: TorrentInfo, rule_group: Union[list, str]) -> bool:
+        """
+        判断种子是否匹配规则组
+        """
+        if not isinstance(rule_group, list):
+            # 不是列表，说明是规则名称
+            return self.__match_rule(torrent, rule_group)
+        if rule_group[0] == "not":
+            # 非操作
+            return not self.__match_group(torrent, rule_group[1])
+        elif rule_group[1] == "and":
+            # 与操作
+            return self.__match_group(torrent, rule_group[0]) and self.__match_group(torrent, rule_group[2])
+        elif rule_group[1] == "or":
+            # 或操作
+            return self.__match_group(torrent, rule_group[0]) or self.__match_group(torrent, rule_group[2])
+
+    def __match_rule(self, torrent: TorrentInfo, rule_name: str) -> bool:
+        """
+        判断种子是否匹配规则项
+        """
+        if not self.rule_set.get(rule_name):
+            # 规则不存在
+            return False
+        # 包含规则项
+        includes = self.rule_set[rule_name].get("include")
+        # 排除规则项
+        excludes = self.rule_set[rule_name].get("exclude")
+        # 匹配项
+        content = f"{torrent.title} {torrent.description}"
+        for include in includes:
+            if not re.search(r"%s" % include, content, re.IGNORECASE):
+                # 未发现包含项
+                return False
+        for exclude in excludes:
+            if re.search(r"%s" % exclude, content, re.IGNORECASE):
+                # 发现排除项
+                return False
+        return True