[kepler-dev] Environment Variables

Michal Owsiak michalo at man.poznan.pl
Tue Jun 10 03:11:32 PDT 2014


Is this something you are looking for (see attachment)

Michal

> That works fine. Can we use this somehow in External Execution actors? I
> tried and failed.
>
> What we need is a way to use environment variables to locate executables,
> e.g. FSLDIR=/opt/local/bet, so that I can execute $FSLDIR/bin/bet. I
> understand that if added to PATH these will be accessible by simply by
> executing 'bet' but we'd still like to have access to environment variables
> to locate specific versions etc.
>
> Slavisa
>
>
> On Tue, Jun 10, 2014 at 11:56 AM, Michal Owsiak <michalo at man.poznan.pl>
> wrote:
>
>> Try following instead.
>>
>> Inside expression actor use following:
>>
>> getenv("YOUR_VARIABLE_GOES_HERE")
>>
>> Michal
>>
>>
>>   Hi,
>>>
>>> Could someone explain to me if there is a bug or I am doing something
>>> wrong
>>> that my workflows can't access environment variables.
>>>
>>> I tried setting them up in usual ways (profile scripts) and by using
>>> environment.txt but no actor has access to them.
>>>
>>> For example I tried setting up TESTVAR and then accessing it in constant
>>> actor but it raises an error as if it was not there. Top of the exception
>>> stack is just below.
>>>
>>> Regards,
>>> Slavisa Garic
>>> PS. I can see this being set with kepler-2.4.0/module-info/
>>> environment.txt
>>> when Kepler is launched by kepler.sh and I get messages such as
>>>
>>> ....
>>> Set environment variable: TESTVAR = mymessage
>>> Set environment variable: R_HOME = /Library/Frameworks/R.
>>> framework/Resources
>>> ....
>>>
>>>
>>> ptolemy.kernel.util.IllegalActionException: Error evaluating expression:
>>>
>>>> $TESTVAR
>>>>     in .Unnamed1.Constant.value
>>>> Because:
>>>> Error parsing expression "$TESTVAR"
>>>> Because:
>>>> Encountered "" at line 1, column 1.
>>>> Was expecting one of:
>>>>
>>>> Because:
>>>> Error evaluating expression: $TESTVAR
>>>>     in .Unnamed1.Constant.value
>>>> Because:
>>>> Error parsing expression "$TESTVAR"
>>>> Because:
>>>> Encountered "" at line 1, column 1.
>>>> Was expecting one of:
>>>>
>>>> at ptolemy.data.expr.Variable.validate(Variable.java:1491)
>>>> at ptolemy.moml.MoMLParser.endDocument(MoMLParser.java:802)
>>>> at com.microstar.xml.XmlParser.doParse(XmlParser.java:162)
>>>> at com.microstar.xml.XmlParser.parse(XmlParser.java:132)
>>>> at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1540)
>>>> at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1512)
>>>> at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1668)
>>>> at ptolemy.moml.MoMLChangeRequest._execute(MoMLChangeRequest.java:289)
>>>> at ptolemy.actor.gui.PtolemyQuery$3._execute(PtolemyQuery.java:824)
>>>> at ptolemy.kernel.util.ChangeRequest.execute(ChangeRequest.java:171)
>>>> at ptolemy.kernel.util.NamedObj._executeChangeRequests(
>>>> NamedObj.java:2559)
>>>> at ptolemy.kernel.util.NamedObj.executeChangeRequests(NamedObj.java:725)
>>>> at ptolemy.kernel.util.NamedObj.requestChange(NamedObj.java:1776)
>>>> at ptolemy.actor.CompositeActor.requestChange(CompositeActor.java:1957)
>>>> at ptolemy.kernel.util.NamedObj.requestChange(NamedObj.java:1761)
>>>> at ptolemy.actor.gui.PtolemyQuery.changed(PtolemyQuery.java:885)
>>>> at ptolemy.gui.Query._notifyListeners(Query.java:1928)
>>>> at ptolemy.gui.Query$QueryFocusListener.focusLost(Query.java:2515)
>>>> at java.awt.AWTEventMulticaster.focusLost(AWTEventMulticaster.java:213)
>>>> at java.awt.Component.processFocusEvent(Component.java:6306)
>>>> at java.awt.Component.processEvent(Component.java:6170)
>>>> at java.awt.Container.processEvent(Container.java:2084)
>>>> at java.awt.Component.dispatchEventImpl(Component.java:4776)
>>>> at java.awt.Container.dispatchEventImpl(Container.java:2142)
>>>> at java.awt.Component.dispatchEvent(Component.java:4604)
>>>> at
>>>> java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:
>>>> 1856)
>>>> at
>>>> java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(
>>>> DefaultKeyboardFocusManager.java:920)
>>>> at
>>>> java.awt.DefaultKeyboardFocusManager.dispatchEvent(
>>>> DefaultKeyboardFocusManager.java:578)
>>>>
>>>
>>> .....
>>>
>>>> .....
>>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Kepler-dev mailing list
>>> Kepler-dev at kepler-project.org
>>> http://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-dev
>>>
>>>
>> _______________________________________________
>> Kepler-dev mailing list
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>> http://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-dev
>>
>

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