topic Python Toolbox Initialization ArcPro Version 2.0 Vs ArcPro Version 2.2 in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/python-toolbox-initialization-arcpro-version-2-0/m-p/226469#M9847 <HTML><HEAD></HEAD><BODY><P>To my ArcPy Colleagues,</P><P></P><P>I have recently upgraded from ArcPro Version 2.0 to ArcPro Version 2.2, but have noticed substantial time differences when initializing custom python toolboxes.&nbsp; I've reduced the code down to parameters and a blank external script and have started honing in on a few potential culprits including the number of parameters and the number of external scripts loaded.&nbsp; It appears each parameter adds time&nbsp;to the initialization in ArcPro 2.2, however, has no influence on initialization time in ArcPro 2.0.&nbsp; This time gets extended further when adding external scripts through this technique:</P><P></P><P>Import ModuleX</P><P>Import importlib</P><P>importlib.reload(ModuleX)</P><P></P><P></P><P></P><P>I am wondering if anyone else has had this issue and if they can explain why this issue is occurring and how to prevent it.&nbsp; In addition, this exact same code in ArcMap initializes almost instantaneously with many more parameters and multiple Import calls to custom scripts.&nbsp; I've attached a generic .pyt code so you can test the custom python toolbox in ArcPro yourself.&nbsp; (the Import externalScript line is a placeholder for an external script so you can create this file and fill it with code, and you will see there is additional delay when initializing)&nbsp;</P><P></P><P>Summarizing -&nbsp; When running the Python Toolbox on ArcPro Version 2.0, the tool initializes instantly.&nbsp; I only started noticing the problem when I upgraded to ArcPro 2.2 about a week ago.&nbsp; So, clearly, it has something to do with the new version of ArcPro.&nbsp; My solution for now is to downgrade to ArcPro Version 2.0, however, this is not ideal.&nbsp;&nbsp;</P><P></P><P>Please let me know if you have any ideas or solutions to get this to work on ArcPro Version 2.2!</P><P></P><P>Thanks!</P></BODY></HTML> Thu, 16 Aug 2018 19:57:54 GMT JimHowser 2018-08-16T19:57:54Z Python Toolbox Initialization ArcPro Version 2.0 Vs ArcPro Version 2.2 https://community.esri.com/t5/arcgis-pro-questions/python-toolbox-initialization-arcpro-version-2-0/m-p/226469#M9847 <HTML><HEAD></HEAD><BODY><P>To my ArcPy Colleagues,</P><P></P><P>I have recently upgraded from ArcPro Version 2.0 to ArcPro Version 2.2, but have noticed substantial time differences when initializing custom python toolboxes.&nbsp; I've reduced the code down to parameters and a blank external script and have started honing in on a few potential culprits including the number of parameters and the number of external scripts loaded.&nbsp; It appears each parameter adds time&nbsp;to the initialization in ArcPro 2.2, however, has no influence on initialization time in ArcPro 2.0.&nbsp; This time gets extended further when adding external scripts through this technique:</P><P></P><P>Import ModuleX</P><P>Import importlib</P><P>importlib.reload(ModuleX)</P><P></P><P></P><P></P><P>I am wondering if anyone else has had this issue and if they can explain why this issue is occurring and how to prevent it.&nbsp; In addition, this exact same code in ArcMap initializes almost instantaneously with many more parameters and multiple Import calls to custom scripts.&nbsp; I've attached a generic .pyt code so you can test the custom python toolbox in ArcPro yourself.&nbsp; (the Import externalScript line is a placeholder for an external script so you can create this file and fill it with code, and you will see there is additional delay when initializing)&nbsp;</P><P></P><P>Summarizing -&nbsp; When running the Python Toolbox on ArcPro Version 2.0, the tool initializes instantly.&nbsp; I only started noticing the problem when I upgraded to ArcPro 2.2 about a week ago.&nbsp; So, clearly, it has something to do with the new version of ArcPro.&nbsp; My solution for now is to downgrade to ArcPro Version 2.0, however, this is not ideal.&nbsp;&nbsp;</P><P></P><P>Please let me know if you have any ideas or solutions to get this to work on ArcPro Version 2.2!</P><P></P><P>Thanks!</P></BODY></HTML> Thu, 16 Aug 2018 19:57:54 GMT https://community.esri.com/t5/arcgis-pro-questions/python-toolbox-initialization-arcpro-version-2-0/m-p/226469#M9847 JimHowser 2018-08-16T19:57:54Z Re: Python Toolbox Initialization ArcPro Version 2.0 Vs ArcPro Version 2.2 https://community.esri.com/t5/arcgis-pro-questions/python-toolbox-initialization-arcpro-version-2-0/m-p/226470#M9848 <HTML><HEAD></HEAD><BODY><P>I'm also experiencing extremely slow initializing times for my script tools that have several input parameters. In my case (v2.3.1), I have 10 input parameters and my tool takes several minutes to initialize before it even start running the python code.</P></BODY></HTML> Tue, 26 Mar 2019 11:57:09 GMT https://community.esri.com/t5/arcgis-pro-questions/python-toolbox-initialization-arcpro-version-2-0/m-p/226470#M9848 ChrisKrebs1 2019-03-26T11:57:09Z