{"id":11765,"date":"2024-03-14T14:44:12","date_gmt":"2024-03-14T14:44:12","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-does-unity-call-python-methods\/"},"modified":"2025-08-04T16:48:24","modified_gmt":"2025-08-04T16:48:24","slug":"how-does-unity-call-python-methods","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-does-unity-call-python-methods\/","title":{"rendered":"Call Python from Unity: Step-by-Step Guide"},"content":{"rendered":"

Calling Python methods in Unity usually requires using Python’s standard libraries sys and subprocess. The specific steps are as follows:<\/p>\n

    \n
  1. First, ensure that the Python environment has been installed and configured properly.<\/li>\n
  2. Create a C# script in Unity, instantiate a process object using the System.Diagnostics.Process class, and specify the Python interpreter and Python script file to be executed.<\/li>\n<\/ol>\n
    using<\/span> System.Diagnostics;\r\n\r\npublic<\/span> class<\/span> PythonCaller<\/span> : MonoBehaviour<\/span>\r\n{\r\n    void<\/span> Start<\/span>()<\/span>\r\n    {\r\n        ProcessStartInfo start = new<\/span> ProcessStartInfo();\r\n        start.FileName = \"python\"<\/span>;\r\n        start.Arguments = \"your_python_script.py\"<\/span>;\r\n        start.UseShellExecute = false<\/span>;\r\n        start.RedirectStandardOutput = true<\/span>;\r\n\r\n        Process process = new<\/span> Process();\r\n        process.StartInfo = start;\r\n        process.Start();\r\n        \r\n        \/\/ \u8bfb\u53d6Python\u811a\u672c\u7684\u8f93\u51fa<\/span>\r\n        string<\/span> output = process.StandardOutput.ReadToEnd();\r\n        \r\n        \/\/ \u6253\u5370\u8f93\u51fa<\/span>\r\n        Debug.Log(output);\r\n    }\r\n}\r\n<\/code><\/pre>\n
      \n
    1. Place the Python script file (your_python_script.py) in the Assets folder of the Unity project, ensuring the correct path for the Python script.<\/li>\n
    2. Attach the PythonCaller script to a game object in Unity, then run the game to call the Python script and get the output.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
      Calling Python methods in Unity usually requires using Python’s standard libraries sys and subprocess. The specific steps are as follows: First, ensure that the Python environment has been installed and configured properly. Create a C# script in Unity, instantiate a process object using the System.Diagnostics.Process class, and specify the Python interpreter and Python script file […]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[15267,15268,1940,1493,15266],"class_list":["post-11765","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-scripting","tag-code-integration","tag-game-development","tag-python-subprocess","tag-unity-python"],"yoast_head":"\nCall Python from Unity: Step-by-Step Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to call Python methods in Unity using subprocess. 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