From 92abc43c9dc57a459e18d88a072a1d0d58a1197e Mon Sep 17 00:00:00 2001
From: Copilot <198982749+Copilot@users.noreply.github.com>
Date: Sun, 2 Nov 2025 12:57:37 +0800
Subject: [PATCH] Fix mutable default arguments in constructors and methods
 (#3247)

* Initial plan

* Fix mutable default arguments in constructors and methods

Co-authored-by: LIghtJUNction <106986785+LIghtJUNction@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: LIghtJUNction <106986785+LIghtJUNction@users.noreply.github.com>
---
 astrbot/core/platform/astr_message_event.py       | 8 ++++++--
 astrbot/core/provider/sources/dashscope_source.py | 4 +++-
 astrbot/core/star/filter/command.py               | 6 ++++--
 astrbot/core/utils/dify_api_client.py             | 8 ++++++--
 4 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/astrbot/core/platform/astr_message_event.py b/astrbot/core/platform/astr_message_event.py
index 9605eaffb..583f6ae8b 100644
--- a/astrbot/core/platform/astr_message_event.py
+++ b/astrbot/core/platform/astr_message_event.py
@@ -320,8 +320,8 @@ class AstrMessageEvent(abc.ABC):
         prompt: str,
         func_tool_manager=None,
         session_id: str = None,
-        image_urls: list[str] = [],
-        contexts: list = [],
+        image_urls: list[str] | None = None,
+        contexts: list | None = None,
         system_prompt: str = "",
         conversation: Conversation = None,
     ) -> ProviderRequest:
@@ -346,6 +346,10 @@ class AstrMessageEvent(abc.ABC):
         conversation: 可选。如果指定，将在指定的对话中进行 LLM 请求。对话的人格会被用于 LLM 请求，并且结果将会被记录到对话中。
 
         """
+        if image_urls is None:
+            image_urls = []
+        if contexts is None:
+            contexts = []
         if len(contexts) > 0 and conversation:
             conversation = None
 
diff --git a/astrbot/core/provider/sources/dashscope_source.py b/astrbot/core/provider/sources/dashscope_source.py
index 92613dc1a..7afa06e73 100644
--- a/astrbot/core/provider/sources/dashscope_source.py
+++ b/astrbot/core/provider/sources/dashscope_source.py
@@ -66,13 +66,15 @@ class ProviderDashscope(ProviderOpenAIOfficial):
         self,
         prompt: str,
         session_id=None,
-        image_urls=[],
+        image_urls=None,
         func_tool=None,
         contexts=None,
         system_prompt=None,
         model=None,
         **kwargs,
     ) -> LLMResponse:
+        if image_urls is None:
+            image_urls = []
         if contexts is None:
             contexts = []
         # 获得会话变量
diff --git a/astrbot/core/star/filter/command.py b/astrbot/core/star/filter/command.py
index 6e0283a0e..8508f173f 100755
--- a/astrbot/core/star/filter/command.py
+++ b/astrbot/core/star/filter/command.py
@@ -36,11 +36,13 @@ class CommandFilter(HandlerFilter):
         command_name: str,
         alias: set | None = None,
         handler_md: StarHandlerMetadata | None = None,
-        parent_command_names: list[str] = [""],
+        parent_command_names: list[str] | None = None,
     ):
         self.command_name = command_name
         self.alias = alias if alias else set()
-        self.parent_command_names = parent_command_names
+        self.parent_command_names = (
+            parent_command_names if parent_command_names is not None else [""]
+        )
         if handler_md:
             self.init_handler_md(handler_md)
         self.custom_filter_list: list[CustomFilter] = []
diff --git a/astrbot/core/utils/dify_api_client.py b/astrbot/core/utils/dify_api_client.py
index 2500e69a5..ea8ff9dff 100644
--- a/astrbot/core/utils/dify_api_client.py
+++ b/astrbot/core/utils/dify_api_client.py
@@ -46,9 +46,11 @@ class DifyAPIClient:
         user: str,
         response_mode: str = "streaming",
         conversation_id: str = "",
-        files: list[dict[str, Any]] = [],
+        files: list[dict[str, Any]] | None = None,
         timeout: float = 60,
     ) -> AsyncGenerator[dict[str, Any], None]:
+        if files is None:
+            files = []
         url = f"{self.api_base}/chat-messages"
         payload = locals()
         payload.pop("self")
@@ -73,9 +75,11 @@ class DifyAPIClient:
         inputs: dict,
         user: str,
         response_mode: str = "streaming",
-        files: list[dict[str, Any]] = [],
+        files: list[dict[str, Any]] | None = None,
         timeout: float = 60,
     ):
+        if files is None:
+            files = []
         url = f"{self.api_base}/workflows/run"
         payload = locals()
         payload.pop("self")