# Maker Edition: Compute Plugin? **URL:** \ **Category:** Maker\ **Created:** [July 27, 2024, 5:03pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813 "2024-07-27T17:03:30Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Calvin\_Tussey](https://avatars.discourse-cdn.com/v4/letter/c/9fc29f/32.png) [@Calvin\_Tussey](https://forum.inductiveautomation.com/u/Calvin_Tussey)\ **Post date:** [July 27, 2024, 5:03pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813/1 "2024-07-27T17:03:30Z")
I'm using WebDev to pipe my PyTorch detection data into tag locations but have been stuck for a few hours now. I do not have the Compute module and I just found a post from another user who was encountering the same issue on a trial license. I'm about to just scrap the idea of handling detection counts via scripts and setup a SQL db. Ignition Log: ```python com.inductiveautomation.ignition.common.script.JythonExecException: Traceback (most recent call last): File "", line 8, in doPost File "/usr/local/bin/ignition/user-lib/pylib/json/ __init__.py", line 338, in loads return _default_decoder.decode(s) File "/usr/local/bin/ignition/user-lib/pylib/json/decoder.py", line 365, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) TypeError: expected string or buffer, but got at org.python.core.Py.TypeError(Py.java:234) at org.python.modules.sre.PatternObject.extractPyString(PatternObject.java:415) at org.python.modules.sre.PatternObject.match(PatternObject.java:77) at org.python.modules.sre.PatternObject$match_exposer. __call__ (Unknown Source) at org.python.core.PyObject. __call__ (PyObject.java:477) at org.python.core.PyObject. __call__ (PyObject.java:481) at json.decoder$py.decode$9(/usr/local/bin/ignition/user-lib/pylib/json/decoder.py:369) at json.decoder$py.call_function(/usr/local/bin/ignition/user-lib/pylib/json/decoder.py) at org.python.core.PyTableCode.call(PyTableCode.java:173) at org.python.core.PyBaseCode.call(PyBaseCode.java:306) at org.python.core.PyBaseCode.call(PyBaseCode.java:141) at org.python.core.PyFunction. __call__ (PyFunction.java:426) at org.python.core.PyMethod. __call__ (PyMethod.java:141) at json$py.loads$4(/usr/local/bin/ignition/user-lib/pylib/json/ __init__.py:351) at json$py.call_function(/usr/local/bin/ignition/user-lib/pylib/json/ __init__.py) at org.python.core.PyTableCode.call(PyTableCode.java:173) at org.python.core.PyBaseCode.call(PyBaseCode.java:306) at org.python.core.PyBaseCode.call(PyBaseCode.java:126) at org.python.core.PyFunction. __call__ (PyFunction.java:416) at org.python.pycode._pyx45.doPost$1(:31) at org.python.pycode._pyx45.call_function() at org.python.core.PyTableCode.call(PyTableCode.java:173) at org.python.core.PyBaseCode.call(PyBaseCode.java:306) at org.python.core.PyFunction.function ___call__ (PyFunction.java:474) at org.python.core.PyFunction. __call__ (PyFunction.java:469) at org.python.core.PyFunction. __call__ (PyFunction.java:464) at com.inductiveautomation.ignition.common.script.ScriptManager.runFunction(ScriptManager.java:847) at com.inductiveautomation.ignition.common.script.ScriptManager.runFunction(ScriptManager.java:829) at com.inductiveautomation.ignition.gateway.project.ProjectScriptLifecycle$TrackingProjectScriptManager.runFunction(ProjectScriptLifecycle.java:868) at com.inductiveautomation.webdev.gateway.handlers.PythonResourceHandler.doRequest(PythonResourceHandler.java:307) at com.inductiveautomation.webdev.gateway.handlers.PythonResourceHandler.doPost(PythonResourceHandler.java:561) at com.inductiveautomation.webdev.gateway.servlets.WebDevDispatch.doPost(WebDevDispatch.java:153) at javax.servlet.http.HttpServlet.service(HttpServlet.java:523) at com.inductiveautomation.webdev.gateway.servlets.WebDevDispatch.service(WebDevDispatch.java:118) at javax.servlet.http.HttpServlet.service(HttpServlet.java:590) at com.inductiveautomation.ignition.gateway.bootstrap.MapServlet.service(MapServlet.java:86) at org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1410) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764) at org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:598) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) at com.inductiveautomation.catapult.handlers.RemoteHostNameLookupHandler.handle(RemoteHostNameLookupHandler.java:121) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:301) at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:51) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122) at org.eclipse.jetty.server.Server.handle(Server.java:563) at org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598) at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100) at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149) at java.base/java.lang.Thread.run(Unknown Source) Caused by: org.python.core.PyException: TypeError: expected string or buffer, but got ... 77 common frames omitted ``` ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [July 27, 2024, 5:18pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813/2 "2024-07-27T17:18:45Z")
This doesn’t have anything to do with Compute plugin, that’s an Edge licensing restriction. Share your code. ---
**Author:** ![Calvin\_Tussey](https://avatars.discourse-cdn.com/v4/letter/c/9fc29f/32.png) [@Calvin\_Tussey](https://forum.inductiveautomation.com/u/Calvin_Tussey)\ **Post date:** [July 27, 2024, 5:41pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813/3 "2024-07-27T17:41:42Z")
Thanks for the reply, Kevin. doPost code //Enabled//No Require HTTPS//No Require Authentication ```python def doPost(request, session): import json from com.inductiveautomation.ignition.common.script.builtin import SystemUtilities # Read the request data as a string data = request['data'] payload = json.loads(data) class_name = payload['class'] confidence = payload['confidence'] # Retrieve the current counts nc_count = system.tag.readBlocking(["[default]cellstack_NC_count"])[0].value g_count = system.tag.readBlocking(["[default]cellstack_G_count"])[0].value complete_count = system.tag.readBlocking(["[default]cellstack_Complete_count"])[0].value # Update the counts if class_name == "cellstack_NC" and confidence > 0.85: nc_count += 1 elif class_name == "cellstack_G" and confidence > 0.85: g_count += 1 if nc_count > 0: complete_count += 1 # Write back the updated counts system.tag.writeBlocking(["[default]cellstack_NC_count"], [nc_count]) system.tag.writeBlocking(["[default]cellstack_G_count"], [g_count]) system.tag.writeBlocking(["[default]cellstack_Complete_count"], [complete_count]) return {'json': {'status': 'success'}} ``` ---
**Author:** ![Calvin\_Tussey](https://avatars.discourse-cdn.com/v4/letter/c/9fc29f/32.png) [@Calvin\_Tussey](https://forum.inductiveautomation.com/u/Calvin_Tussey)\ **Post date:** [July 27, 2024, 5:51pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813/4 "2024-07-27T17:51:22Z")
I moved on to just running sqlite on my Jetson Orin dev. board. I'm currently working through the correct tag configuration to read from my sqlite named variables. ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [July 27, 2024, 5:58pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813/5 "2024-07-27T17:58:03Z")
Print `data` before passing it to `loads` and see what you’re getting. ---
**Author:** ![Calvin\_Tussey](https://avatars.discourse-cdn.com/v4/letter/c/9fc29f/32.png) [@Calvin\_Tussey](https://forum.inductiveautomation.com/u/Calvin_Tussey)\ **Post date:** [July 27, 2024, 10:13pm UTC](https://forum.inductiveautomation.com/t/maker-edition-compute-plugin/93813/6 "2024-07-27T22:13:34Z")
![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/a/1/a17ba268135efe74a2295cf859bb51cece200cab.png) I've moved on to just utilizing a Query tag and sourcing a sqlite db I created on my Jetson board. I'll post back after I get my pytorch script talking to ignition and try to find root cause of the WebDev script incongruency. Thanks again for the help. Pretty cool that an Ignition dev is checking the board on the weekend. Thanks! 07 Sidebar: Can you direct me to widget development? I want to create a container that has my count and text description all within one parent element. I can probably do this within a widget, yes?