feat 自定义占位符

app/core/meta/customization.py

@@ -0,0 +1,47 @@
+import regex as re
+
+from app.db.systemconfig_oper import SystemConfigOper
+from app.schemas.types import SystemConfigKey
+from app.utils.singleton import Singleton
+
+
+class CustomizationMatcher(metaclass=Singleton):
+    """
+    识别自定义占位符
+    """
+    customization = None
+    custom_separator = None
+
+    def __init__(self):
+        self.systemconfig = SystemConfigOper()
+        self.customization = None
+        self.custom_separator = None
+
+    def match(self, title=None):
+        """
+        :param title: 资源标题或文件名
+        :return: 匹配结果
+        """
+        if not title:
+            return ""
+        if not self.customization:
+            # 自定义占位符
+            customization = self.systemconfig.get(SystemConfigKey.Customization)
+            if not customization:
+                return ""
+            if isinstance(customization, str):
+                customization = customization.replace("\n", ";").strip(";").split(";")
+            self.customization = "|".join([f"({item})" for item in customization])
+
+        customization_re = re.compile(r"%s" % self.customization)
+        # 处理重复多次的情况，保留先后顺序（按添加自定义占位符的顺序）
+        unique_customization = {}
+        for item in re.findall(customization_re, title):
+            if not isinstance(item, tuple):
+                item = (item,)
+            for i in range(len(item)):
+                if item[i] and unique_customization.get(item[i]) is None:
+                    unique_customization[item[i]] = i
+        unique_customization = list(dict(sorted(unique_customization.items(), key=lambda x: x[1])).keys())
+        separator = self.custom_separator or "@"
+        return separator.join(unique_customization)