community: add Integration for OpenAI image gen with v1 sdk

libs/community/langchain_community/tools/openai_dalle_image_generation/__init__.py

@@ -0,0 +1,7 @@
+"""Tool to generate an image using DALLE OpenAI V1 SDK."""
+
+from langchain_community.tools.openai_dalle_image_generation.tool import (
+    OpenAIDALLEImageGenerationTool,
+)
+
+__all__ = ["OpenAIDALLEImageGenerationTool"]

libs/community/langchain_community/tools/openai_dalle_image_generation/tool.py

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+"""Tool for the OpenAI DALLE V1 Image Generation SDK."""
+
+from typing import Optional
+
+from langchain_core.callbacks import CallbackManagerForToolRun
+from langchain_core.tools import BaseTool
+
+from langchain_community.utilities.dalle_image_generator import DallEAPIWrapper
+
+
+class OpenAIDALLEImageGenerationTool(BaseTool):
+    """Tool that generates an image using OpenAI DALLE."""
+
+    name: str = "openai_dalle"
+    description: str = (
+        "A wrapper around OpenAI DALLE Image Generation. "
+        "Useful for when you need to generate an image of"
+        "people, places, paintings, animals, or other subjects. "
+        "Input should be a text prompt to generate an image."
+    )
+    api_wrapper: DallEAPIWrapper
+
+    def _run(
+        self,
+        query: str,
+        run_manager: Optional[CallbackManagerForToolRun] = None,
+    ) -> str:
+        """Use the OpenAI DALLE Image Generation tool."""
+        return self.api_wrapper.run(query)

libs/community/tests/unit_tests/tools/openai_dalle_image_generation/test_image_generation.py

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+from unittest.mock import MagicMock
+
+from langchain_community.tools.openai_dalle_image_generation import (
+    OpenAIDALLEImageGenerationTool,
+)
+
+
+def test_generate_image() -> None:
+    """Test OpenAI DALLE Image Generation."""
+    mock_api_resource = MagicMock()
+    # bypass pydantic validation as openai is not a package dependency
+    tool = OpenAIDALLEImageGenerationTool.construct(api_wrapper=mock_api_resource)
+    tool_input = {"query": "parrot on a branch"}
+    result = tool.run(tool_input)
+    assert result.startswith("https://")