Re: [Pydev-code] Upgrade to PyDev 4.5 floods console with exceptions when com.pydev plugins are present

[Fabio Z. <fa...@gm...>]

This isn't an issue in your code, it's just a warning from the pydev side
in the hand-made parser (so, the proper thing here would be checking how to
handle the constructs it's complaining about in the FastDefinitionsParser).

On Tue, Jan 19, 2016 at 2:47 PM, Mark Leone <mid...@ve...>
wrote:

> My RCP app was using http://pydev.org/updates for PyDev, which was
> upgraded yesterday (I think) from PyDev 4.4 to 4.5. I'm using 4.4 now
> after switching to https://dl.bintray.com/fabioz/pydev/all/, but I'd
> like to run with 4.5, and I have a problem with it.
>
> When I launch the app, the console gets flooded with numerous instances
> of the stack trace below. The line of my code that leads to the
> exception (MidasActivator line 339) is this
>
> IInterpreterManager manager = ...
> manager.setInfos(new IInterpreterInfo[] {xmpyInterp}, null, new
> NullProgressMonitor());
>
> I'm updating the python interpreter there after adding a pypredef location.
>
> This doesn't happen in PyDev 4.4. Also it doesn't happen in PyDev 4.5 if
> I omit the com.python.pydev plug-ins from my product (specifically
> com.python.pydev.analysis). In that case, I get an NPE when PyDev checks
> if the interpreters are synced with the environment. I can prevent that
> exception my implementing a contribution to extension
> org.python.pydev.pydev_interpreter_info_builder which does nothing.
>
> So I don't know if I've got something in my code that is incompatible
> with PyDev 4.5, or is implementing an info builder extension that does
> nothing the expected pattern? I would think that including the
> com.python.pydev plug-ins is expected, in whch case I need to figure out
> why I get exceptions when I do.
>
> !ENTRY org.python.pydev.shared_core 4 4 2016-01-19 11:24:53.650
> !MESSAGE Did not expect to find item below node:
> Assign[targets=[Name[id=this, ctx=Store, reserved=false]], value=null]
> (module: __init__.py).
> !STACK 0
> java.lang.RuntimeException: Did not expect to find item below node:
> Assign[targets=[Name[id=this, ctx=Store, reserved=false]], value=null]
> (module: __init__.py).
>      at org.python.pydev.core.log.Log.log(Log.java:54)
>      at
>
> org.python.pydev.parser.fastparser.FastDefinitionsParser.endScopesInStack(FastDefinitionsParser.java:589)
>      at
>
> org.python.pydev.parser.fastparser.FastDefinitionsParser.handleNewLine(FastDefinitionsParser.java:380)
>      at
>
> org.python.pydev.parser.fastparser.FastDefinitionsParser.extractBody(FastDefinitionsParser.java:249)
>      at
>
> org.python.pydev.parser.fastparser.FastDefinitionsParser.parse(FastDefinitionsParser.java:676)
>      at
>
> com.python.pydev.analysis.additionalinfo.AbstractAdditionalTokensInfo.addAstInfo(AbstractAdditionalTokensInfo.java:310)
>      at
>
> com.python.pydev.analysis.additionalinfo.AbstractAdditionalInfoWithBuild.restoreInfoForModuleManager(AbstractAdditionalInfoWithBuild.java:258)
>      at
>
> com.python.pydev.analysis.additionalinfo.AdditionalSystemInterpreterInfo.recreateAllInfo(AdditionalSystemInterpreterInfo.java:179)
>      at
>
> com.python.pydev.analysis.additionalinfo.builders.InterpreterObserver.notifyDefaultPythonpathRestored(InterpreterObserver.java:35)
>      at
>
> org.python.pydev.ui.interpreters.AbstractInterpreterManager.restorePythopathForInterpreters(AbstractInterpreterManager.java:726)
>      at
>
> org.python.pydev.ui.interpreters.AbstractInterpreterManager.setInfos(AbstractInterpreterManager.java:643)
>      at
>
> gov.midas.ide.ui.MidasActivator.configurePydevPredfinedCompletion(MidasActivator.java:339)
>      at gov.midas.ide.ui.MidasActivator.start(MidasActivator.java:109)
>      at
>
> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)
>      at
>
> org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
>      at java.security.AccessController.doPrivileged(Native Method)
>      at
>
> org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)
>      at
>
> org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)
>      at
>
> org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
>      at
>
> org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
>      at org.eclipse.osgi.container.Module.doStart(Module.java:571)
>      at org.eclipse.osgi.container.Module.start(Module.java:439)
>      at
>
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1582)
>      at
>
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1562)
>      at
>
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1533)
>      at
>
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1476)
>      at
>
> org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
>      at
>
> org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
>      at
>
> org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
>
>
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