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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Python int type is translated to pyInt when passed as a .net Dictionary value only in 3.x version","articleBody":"### Environment\r\n\r\n-   Pythonnet version: 3.0.0a2\r\n-   Python version: 3.7, 3.8, 3.9, 3.10\r\n-   Operating System: Windows\r\n-   .NET Runtime: 4.7.2 framework\r\n\r\n### Details\r\n\r\nAfter upgrading to pre release 3.0.0a2 version, the python int type is getting translated to PyInt instead of System.int32 inside the .NET DLL, and hence getting a unable to cast exception. this is working fine in 2.x version.\r\n\r\nDLL method: \r\n```csharp\r\npublic void DictMethod(Dictionary\u003cstring, object\u003e paramDict)\r\n  {\r\n            Console.WriteLine(\"Inside\");\r\n            Console.WriteLine(paramDict[\"index\"].GetType().ToString());\r\n            var index = Convert.ToInt32((paramDict[\"index\"]));\r\n            \r\n        }\r\n```\r\nPython script: \r\n\r\n```python\r\n   clr.AddReference(\"System.Collections\")\r\nfrom System.Collections.Generic import Dictionary\r\nfrom System import String\r\nfrom System import Object\r\nclr.AddReference(\"PyTest\")\r\nfrom PyTest import PyClass\r\n\r\nclass Utils(object):\r\n\r\n    @staticmethod\r\n    def prepare_dict(**kwargs):\r\n\r\n        dict_net = Dictionary[String,Object]()\r\n        for key_value in kwargs.keys():\r\n            dict_net.Add(key_value,kwargs[key_value])\r\n        return dict_net\r\n\r\nparameters = {}\r\nparameters['index'] = 1\r\nnet_dict = Utils.prepare_dict(**parameters)\r\nobj = PyClass()\r\nobj.DictMethod(net_dict)\r\n```\r\n\r\nOutput in 3.x version:\r\n```\r\nC:\\Users\\Athul\\Desktop\u003ec:\\Python37\\python.exe pynettest.py\r\nInside\r\nPython.Runtime.PyInt\r\nTraceback (most recent call last):\r\n  File \"pynettest.py\", line 50, in \u003cmodule\u003e\r\n    obj.DictMethod(net_dict)\r\nSystem.InvalidCastException: Unable to cast object of type 'Python.Runtime.PyInt' to type 'System.IConvertible'.\r\n   at System.Convert.ToInt32(Object value)\r\n   at PyTest.PyClass.DictMethod(Dictionary`2 paramDict) in C:\\Users\\Athul\\source\\repos\\PyTest\\PyClass.cs:line 46\r\n```\r\n\r\n\r\nOutput in 2.x version : \r\n\r\n```\r\nC:\\Users\\Athul\\Desktop\u003ec:\\Python37\\python.exe pynettest.py\r\nInside\r\nSystem.Int32\r\n\r\nC:\\Users\\Athul\\Desktop\u003e\r\n```","author":{"url":"https://github.com/athulds","@type":"Person","name":"athulds"},"datePublished":"2022-04-06T20:59:03.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/1755/pythonnet/issues/1755"}