FEAT: Add arxiv tool for searching scientific papers and articles fro… (#2632)

api/core/tools/provider/builtin/arxiv/_assets/icon.svg

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api/core/tools/provider/builtin/arxiv/arxiv.py

+from core.tools.errors import ToolProviderCredentialValidationError
+from core.tools.provider.builtin.arxiv.tools.arxiv_search import ArxivSearchTool
+from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
+
+
+class ArxivProvider(BuiltinToolProviderController):
+    def _validate_credentials(self, credentials: dict) -> None:
+        try:
+            ArxivSearchTool().fork_tool_runtime(
+                meta={
+                    "credentials": credentials,
+                }
+            ).invoke(
+                user_id='',
+                tool_parameters={
+                    "query": "John Doe",
+                },
+            )
+        except Exception as e:
+            raise ToolProviderCredentialValidationError(str(e))

api/core/tools/provider/builtin/arxiv/arxiv.yaml

+identity:
+  author: Yash Parmar
+  name: arxiv
+  label:
+    en_US: ArXiv
+    zh_Hans: ArXiv
+  description:
+    en_US: Access to a vast repository of scientific papers and articles in various fields of research.
+    zh_Hans: 访问各个研究领域大量科学论文和文章的存储库。
+  icon: icon.svg

api/core/tools/provider/builtin/arxiv/tools/arxiv_search.py

+from typing import Any
+
+from langchain.utilities import ArxivAPIWrapper
+from pydantic import BaseModel, Field
+
+from core.tools.entities.tool_entities import ToolInvokeMessage
+from core.tools.tool.builtin_tool import BuiltinTool
+
+
+class ArxivSearchInput(BaseModel):
+    query: str = Field(..., description="Search query.")
+    
+class ArxivSearchTool(BuiltinTool):
+    """
+    A tool for searching articles on Arxiv.
+    """
+    def _invoke(self, user_id: str, tool_parameters: dict[str, Any]) -> ToolInvokeMessage | list[ToolInvokeMessage]:
+        """
+        Invokes the Arxiv search tool with the given user ID and tool parameters.
+
+        Args:
+            user_id (str): The ID of the user invoking the tool.
+            tool_parameters (dict[str, Any]): The parameters for the tool, including the 'query' parameter.
+
+        Returns:
+            ToolInvokeMessage | list[ToolInvokeMessage]: The result of the tool invocation, which can be a single message or a list of messages.
+        """
+        query = tool_parameters.get('query', '')
+
+        if not query:
+            return self.create_text_message('Please input query')
+        
+        arxiv = ArxivAPIWrapper()
+        
+        response = arxiv.run(query)
+        
+        return self.create_text_message(self.summary(user_id=user_id, content=response))

api/core/tools/provider/builtin/arxiv/tools/arxiv_search.yaml

+identity:
+  name: arxiv_search
+  author: Yash Parmar
+  label:
+    en_US: Arxiv Search
+    zh_Hans: Arxiv 搜索
+description:
+  human:
+    en_US: A tool for searching scientific papers and articles from the Arxiv repository. Input can be an Arxiv ID or an author's name.
+    zh_Hans: 一个用于从Arxiv存储库搜索科学论文和文章的工具。 输入可以是Arxiv ID或作者姓名。
+  llm: A tool for searching scientific papers and articles from the Arxiv repository. Input can be an Arxiv ID or an author's name.
+parameters:
+  - name: query
+    type: string
+    required: true
+    label:
+      en_US: Query string
+      zh_Hans: 查询字符串
+    human_description:
+      en_US: The Arxiv ID or author's name used for searching.
+      zh_Hans: 用于搜索的Arxiv ID或作者姓名。
+    llm_description: The Arxiv ID or author's name used for searching.
+    form: llm

api/requirements.txt

 pydub~=0.25.1
 gmpy2~=2.1.5
 numexpr~=2.9.0
-duckduckgo-search==4.4.3
+duckduckgo-search==4.4.3
+arxiv==2.1.0