文件发送时支持路径映射

astrbot/core/pipeline/respond/stage.py

@@ -11,13 +11,16 @@ from astrbot.core import logger
 from astrbot.core.message.message_event_result import BaseMessageComponent
 from astrbot.core.star.star_handler import star_handlers_registry, EventType
 from astrbot.core.star.star import star_map
-from astrbot.core.message.components import Plain, Reply, At
+from astrbot.core.message.components import Plain, Reply, At, File
+import os
 
 
 @register_stage
 class RespondStage(Stage):
     async def initialize(self, ctx: PipelineContext):
         self.ctx = ctx
+        self.config = ctx.astrbot_config
+        self.platform_settings: dict = self.config.get("platform_settings", {})
 
         self.reply_with_mention = ctx.astrbot_config["platform_settings"][
             "reply_with_mention"
@@ -72,6 +75,60 @@ class RespondStage(Stage):
             # random
             return random.uniform(self.interval[0], self.interval[1])
 
+    def pathMapping(self, mappings, srcPath: str)->str:
+        """路径映射处理函数。尝试支援 Windows 和 Linux 的路径映射。
+        Args:
+            mappings: 映射规则列表
+            srcPath: 原路径
+        Returns:
+            str: 处理后的路径
+        """
+        for mapping in mappings:
+            rule = mapping.split(":")
+            if len(rule) == 2:
+                from_, to_ = mapping.split(":")
+            elif len(rule) > 4 or len(rule) == 1:
+                # 切割后大于4个项目，或者只有1个项目，那肯定是错误的，只能是2，3，4个项目
+                logger.warning(f"路径映射规则错误: {mapping}")
+                continue
+            else:
+                # rule.len == 3 or 4
+                if(os.path.exists(rule[0]+":"+rule[1])):
+                    # 前面两个项目合并路径存在，说明是本地Window路径。后面一个或两个项目组成的路径本地大概率无法解析，直接拼接
+                    from_ = rule[0] + ":" + rule[1]
+                    if len(rule) == 3:
+                        to_ = rule[2]
+                    else:
+                        to_ = rule[2] + ":" + rule[3]
+                else:
+                    # 前面两个项目合并路径不存在，说明第一个项目是本地Linux路径，后面一个或两个项目直接拼接。
+                    from_ = rule[0]
+                    if len(rule) == 3:
+                        to_ = rule[1] + ":" + rule[2]
+                    else:
+                        # 这种情况下存在四个项目，说明规则也是错误的
+                        logger.warning(f"路径映射规则错误: {mapping}")
+                        continue
+
+            from_ = from_.removesuffix("/")
+            from_ = from_.removesuffix("\\")
+            to_ = to_.removesuffix("/")
+            to_ = to_.removesuffix("\\")
+            # logger.debug(f"\t路径映射-规则(处理): {from_} -> {to_}")
+
+            url = srcPath.removeprefix("file://")
+            if url.startswith(from_):
+                srcPath = url.replace(from_, to_, 1)
+                if ":" in srcPath:
+                    # Windows路径处理
+                    srcPath = srcPath.replace("/", "\\")
+                else:
+                    # Linux路径处理
+                    srcPath = srcPath.replace("\\", "/")
+                logger.info(f"路径映射: {url} -> {srcPath}")
+                return srcPath
+        return srcPath
+
     async def process(
         self, event: AstrMessageEvent
     ) -> Union[None, AsyncGenerator[None, None]]:
@@ -80,6 +137,14 @@ class RespondStage(Stage):
             return
 
         if len(result.chain) > 0:
+            # 检查路径映射
+            if mappings := self.platform_settings.get("path_mapping", []):
+                for idx, component in enumerate(event.get_result().chain):
+                    if isinstance(component, (File)) and component.file:
+                        # 支持 File 消息段的路径映射。
+                        component.file = self.pathMapping(mappings, component.file)
+                        event.get_result().chain[idx] = component
+
             await event._pre_send()
 
             if self.enable_seg and (