Java Code Examples for org.eclipse.core.variables.IStringVariableManager

private void validateAbsoluteFilePath() {
    MyStatus ms = new MyStatus(IStatus.OK, XdsEditorsPlugin.PLUGIN_ID, null);
    String path = fDictionaryPath == null ? "" : fDictionaryPath.getText().trim(); //$NON-NLS-1$
    if (!path.isEmpty()) {
   	    IStringVariableManager variableManager= VariablesPlugin.getDefault().getStringVariableManager();
   	    try {
   	        path= variableManager.performStringSubstitution(path);
   	        if (path.length() > 0) {
   	            final File file= new File(path);
   	            if (!file.exists() || !file.isFile() || !file.isAbsolute() || !file.canRead()) {
                       ms = new MyStatus(IStatus.ERROR, XdsEditorsPlugin.PLUGIN_ID, Messages.SpellingPreferenceBlock_BadDictFile);
   	            } else if (!file.getParentFile().canWrite() || !file.canWrite()) {
   	                ms = new MyStatus(IStatus.ERROR, XdsEditorsPlugin.PLUGIN_ID, Messages.SpellingPreferenceBlock_RWAccessRequired);
   	            }
   	        }
   	    } catch (CoreException e) {
   	        ms = new MyStatus(IStatus.ERROR, XdsEditorsPlugin.PLUGIN_ID, e.getLocalizedMessage());
   	    }
    }
    
    if (ms.matches(IStatus.ERROR) || fFileStatus.matches(IStatus.ERROR)) {
        fFileStatus = ms;
        updateStatus();
    }
}
 

private String[] getCommandResolved(IStringVariableManager variableManager) throws CoreException {
    String[] commandArray = null;
    switch(commandTokenizer) {
        case commandTokenizerSpaces:
            commandArray = Utils.splitSpaces(commandValue);
        break;
        case commandTokenizerSpacesAndQuotes:
            commandArray = Utils.splitSpacesAndQuotes(commandValue, false);
        break;
        case commandTokenizerSpacesAndQuotesSkip:
            commandArray = Utils.splitSpacesAndQuotes(commandValue, true);
        break;
        case commandTokenizerDisabled:
            commandArray = new String[1];
            commandArray[0] = commandValue;
        break;
        default:
            throw new IllegalArgumentException();
    }
    // resolve the variables
    for (int i=0;i<commandArray.length;i++) {
        commandArray[i] = variableManager.performStringSubstitution(commandArray[i], false);
        Activator.logDebug("exc" + i + ":>" + commandArray[i]+ "<");
    }
    return commandArray;
}
 

private void handleExec(IStringVariableManager variableManager) throws CoreException, IOException {
    Activator.logDebug("exc:>---");
    // get working directory
    File workingDirectory = getWorkingDirectoryResolved(variableManager);
    // get command
    String[] command = getCommandResolved(variableManager);
    // create process builder with command and ...
    ProcessBuilder pb = new ProcessBuilder(command);
    // ... set working directory and redirect error stream
    if (workingDirectory != null) {
        pb.directory(workingDirectory);
    }
    Activator.logDebug("exc:<---");
    // get passed system environment
    //Map<String, String> env = pb.environment();
    // add own variables
    pb.start();
}
 

/**
 * Validates that the file with the specified absolute path exists and can
 * be opened.
 *
 * @param path
 *                   The path of the file to validate
 * @return a status without error if the path is valid
 */
protected static IStatus validateAbsoluteFilePath(String path) {

	final StatusInfo status= new StatusInfo();
	IStringVariableManager variableManager= VariablesPlugin.getDefault().getStringVariableManager();
	try {
		path= variableManager.performStringSubstitution(path);
		if (path.length() > 0) {

			final File file= new File(path);
			if (!file.exists() && (!file.isAbsolute() || !file.getParentFile().canWrite()))
				status.setError(PreferencesMessages.SpellingPreferencePage_dictionary_error);
			else if (file.exists() && (!file.isFile() || !file.isAbsolute() || !file.canRead() || !file.canWrite()))
				status.setError(PreferencesMessages.SpellingPreferencePage_dictionary_error);
		}
	} catch (CoreException e) {
		status.setError(e.getLocalizedMessage());
	}
	return status;
}
 

private void setDefaultMessage( String odaDesignerID )
{
	String msgExpr = Messages.getMessage( "datasource.page.title" );
	// "Define ${odadesignerid.ds.displayname} Data Source";
	String dsMsgExpr = msgExpr.replace( "odadesignerid", odaDesignerID ); //$NON-NLS-1$

	IStringVariableManager varMgr = org.eclipse.core.variables.VariablesPlugin.getDefault( )
			.getStringVariableManager( );
	try
	{
		DEFAULT_MESSAGE = varMgr.performStringSubstitution( dsMsgExpr, false );
	}
	catch ( CoreException ex )
	{
		// TODO Auto-generated catch block
	}

}
 

/**
 * Return default template preference
 * 
 * @return String The string of default template preference
 */
public String getTemplatePreference( )
{
	String temp = PreferenceFactory.getInstance( )
			.getPreferences( this, UIUtil.getCurrentProject( ) )
			.getString( TEMPLATE_PREFERENCE );
	String str = temp;
	try
	{
		IStringVariableManager mgr = VariablesPlugin.getDefault( )
				.getStringVariableManager( );
		str = mgr.performStringSubstitution( temp );
	}
	catch ( CoreException e )
	{
		str = temp;
	}

	return str;
}
 

public static void fillMapWithEnv(String[] env, Map<String, String> hashMap,
        Set<String> keysThatShouldNotBeUpdated, IStringVariableManager manager) {
    if (env == null || env.length == 0) {
        // nothing to do
        return;
    }

    if (keysThatShouldNotBeUpdated == null) {
        keysThatShouldNotBeUpdated = Collections.emptySet();
    }

    for (String s : env) {
        Tuple<String, String> sp = StringUtils.splitOnFirst(s, '=');
        if (sp.o1.length() != 0 && sp.o2.length() != 0 && !keysThatShouldNotBeUpdated.contains(sp.o1)) {
            String value = sp.o2;
            if (manager != null) {
                try {
                    value = manager.performStringSubstitution(value, false);
                } catch (CoreException e) {
                    // Unreachable as false passed to reportUndefinedVariables above
                }
            }
            hashMap.put(sp.o1, value);
        }
    }
}
 

/**
 * @return the initial commands set in the preferences
 */
@Override
public String getInitialCommands() {
    String str = PydevDebugPlugin.getDefault().getPreferenceStore()
            .getString(PydevConsoleConstants.INITIAL_INTERPRETER_CMDS);
    try {
        // Expand any eclipse variables in the GUI
        IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
        str = manager.performStringSubstitution(str, false);
    } catch (CoreException e) {
        // Unreachable as false passed to reportUndefinedVariables above
        Log.log(e);
    }
    if (!str.endsWith("\n")) {
        str += "\n";
    }

    if (additionalInitialComands != null) {
        str += additionalInitialComands;
    }
    return str;
}
 

/**
 * Builds a value of a location attribute used in launch configurations.
 * 
 * @param file an array of resources
 * @param makeRelative {@code true} to produce path relative to workspace location
 * @return default string for the location field
 */
public static String getDefaultLocation(FileOrResource[] file, boolean makeRelative) {
    StringBuffer buffer = new StringBuffer();

    for (FileOrResource r : file) {
        if (buffer.length() > 0) {
            buffer.append('|');
        }

        String loc;
        if (r.resource != null) {

            if (makeRelative) {
                IStringVariableManager varManager = VariablesPlugin.getDefault().getStringVariableManager();
                loc = makeFileRelativeToWorkspace(r.resource, varManager);
            } else {
                loc = r.resource.getLocation().toOSString();
            }
        } else {
            loc = FileUtils.getFileAbsolutePath(r.file.getAbsolutePath());
        }
        buffer.append(loc);
    }
    return buffer.toString();
}
 

private File locationToFile(String location) {
	if (location.matches("^.*\\$\\{.*\\}.*$")) { //$NON-NLS-1$
		IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
		try {
			location = manager.performStringSubstitution(location, false);
		} catch (CoreException e) {
			return null;
		}
	}
	return new File(location);
}
 

private static String varParse(String unparsedString) {
	IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
	try {
		return manager.performStringSubstitution(unparsedString);
	} catch (CoreException e) {
		return unparsedString;
	}
}
 

public String apply(String input) {
  try {
    IStringVariableManager stringManager =
        VariablesPlugin.getDefault().getStringVariableManager();
    return stringManager.performStringSubstitution(input);
  } catch (CoreException e) {
    return "";
  }
}
 

public static String performStringSubstitution(Sdk context, String line, boolean isReportUndefinedVariables) throws CoreException {
     IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
     if (context != null) {
line = line.replaceAll(String.format(Pattern.quote("${%s}"),
		XDS_HOME_VAR), StringUtils.replaceChars(
		context.getSdkHomePath(), '\\', '/'));
     }
     line = manager.performStringSubstitution(line, isReportUndefinedVariables);
     return line;
 }
 

public static String performMacroSubstitution(String input) {
	String ret = input;
	
	IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
	try {
		ret = manager.performStringSubstitution(ret, false);
	} catch (CoreException e) {
		// in case of a issue, keep the path as it is and log error
		CppcheclipsePlugin.logError("Path macro subsitution failed", e); //$NON-NLS-1$
	}		
	
	return ret;
}
 

/**
 * Returns the value of the gwt_devjar variable or <code>null</code> if the variable is not defined.
 */
private IPath computeGwtDevJarVariableValue() {
  IStringVariableManager variableManager = VariablesPlugin.getDefault().getStringVariableManager();
  IValueVariable valueVariable = variableManager.getValueVariable("gwt_devjar");
  if (valueVariable != null) {
    String value = valueVariable.getValue();
    if (value != null) {
      IPath path = new Path(value);
      return path.removeLastSegments(1);
    }
  }

  return null;
}
 

private File getWorkingDirectoryResolved(IStringVariableManager variableManager) throws CoreException {
    // working directory
    if (commandWorkingDir != null && !commandWorkingDir.isEmpty()) {
        variableManager.validateStringVariables(commandWorkingDir);
        Activator.logDebug("cwd: >" + commandWorkingDir + "<");
        return new File(variableManager.performStringSubstitution(commandWorkingDir, false));
    }
    return null;
}
 

/**
 * @param text
 * @return
 * @throws CoreException
 */
public static String getSubstitutedString(String text) throws CoreException {
	if (text == null)
		return ""; //$NON-NLS-1$
	IStringVariableManager mgr = VariablesPlugin.getDefault().getStringVariableManager();
	return mgr.performStringSubstitution(text);
}
 

private IStringVariableManager getStringVariableManager() {
    if (SharedCorePlugin.inTestMode()) {
        return stringVariableManagerForTests;
    }
    VariablesPlugin variablesPlugin = VariablesPlugin.getDefault();
    return variablesPlugin.getStringVariableManager();
}
 

@Override
public boolean isValid(ILaunchConfiguration launchConfig) {
    setErrorMessage(null);
    setMessage(null);
    // if variables are present, we cannot resolve the directory
    String workingDirPath = getWorkingDirectoryText();
    if (workingDirPath.indexOf("${") >= 0) { //$NON-NLS-1$
        IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
        try {
            manager.validateStringVariables(workingDirPath);
        } catch (CoreException e) {
            setErrorMessage(e.getMessage());
            return false;
        }
    } else if (workingDirPath.length() > 0) {
        IContainer container = getContainer();
        if (container == null) {
            File dir = new File(workingDirPath);
            if (dir.isDirectory()) {
                return true;
            }
            setErrorMessage("Only directories can be selected");
            return false;
        }
    } else if (workingDirPath.length() == 0) {
        setErrorMessage("A non-empty directory must be selected");
        return false;
    }
    return true;
}
 

private static String makeFileRelativeToWorkspace(FileOrResource[] resource, IStringVariableManager varManager) {
    FastStringBuffer moduleFile = new FastStringBuffer(80 * resource.length);
    for (FileOrResource r : resource) {
        if (moduleFile.length() > 0) {
            moduleFile.append("|");
        }

        if (r.resource != null) {
            moduleFile.append(makeFileRelativeToWorkspace(r.resource, varManager));
        } else {
            moduleFile.append(FileUtils.getFileAbsolutePath(r.file));
        }
    }
    return moduleFile.toString();
}
 

/**
 * Performs recursive string substitution and returns the resulting string.
 *
 * @param expression expression to resolve
 * @param reportUndefinedVariables whether to report undefined variables as an error
 * @param resolveVariables if the variables should be resolved during the substitution
 * @param manager registry of variables
 * @return the resulting string with all variables recursively
 *  substituted
 * @exception CoreException if unable to resolve a referenced variable or if a cycle exists
 *  in referenced variables
 */
public String performStringSubstitution(String expression, boolean reportUndefinedVariables, boolean resolveVariables, IStringVariableManager manager) throws CoreException {
	substitute(expression, reportUndefinedVariables, resolveVariables, manager);
	List<HashSet<String>> resolvedVariableSets = new ArrayList<HashSet<String>>();
	while (fSubs) {
		HashSet<String> resolved = substitute(fResult.toString(), reportUndefinedVariables, true, manager);
		for(int i=resolvedVariableSets.size()-1; i>=0; i--) {
			HashSet<String> prevSet = resolvedVariableSets.get(i);
			if (prevSet.equals(resolved)) {
				HashSet<String> conflictingSet = new HashSet<String>();
				for (; i<resolvedVariableSets.size(); i++) {
					conflictingSet.addAll(resolvedVariableSets.get(i));
				}
				StringBuffer problemVariableList = new StringBuffer();
				for (String string : conflictingSet) {
					problemVariableList.append(string);
					problemVariableList.append(", "); //$NON-NLS-1$
				}
				problemVariableList.setLength(problemVariableList.length()-2); //truncate the last ", "
				throw new CoreException(new Status(IStatus.ERROR, VariablesPlugin.getUniqueIdentifier(), VariablesPlugin.REFERENCE_CYCLE_ERROR, NLS.bind(VariablesMessages.StringSubstitutionEngine_4, new String[]{problemVariableList.toString()}), null));
			}
		}

		resolvedVariableSets.add(resolved);
	}
	return fResult.toString();
}
 

public static String performVariableSubstitution(String string) throws CoreException {
	IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
	return manager.performStringSubstitution(string);
}
 

/**
 * Create a CloudSdk RunConfiguration corresponding to the launch configuration and server
 * defaults. Details are pulled from {@link ILaunchConfiguration#getAttributes() launch
 * attributes} and {@link IServer server settings and attributes}.
 * @param runnables 
 */
@VisibleForTesting
RunConfiguration generateServerRunConfiguration(ILaunchConfiguration configuration,
    IServer server, String mode, List<Path> services) throws CoreException {

  RunConfiguration.Builder builder = RunConfiguration.builder(services);
  // Iterate through our different configurable parameters
  // TODO: storage-related paths, including storage_path and the {blob,data,*search*,logs} paths

  // TODO: allow setting host from launch config
  if (server.getHost() != null) {
    builder.host(server.getHost());
  }

  int serverPort = getPortAttribute(LocalAppEngineServerBehaviour.SERVER_PORT_ATTRIBUTE_NAME,
      LocalAppEngineServerBehaviour.DEFAULT_SERVER_PORT, configuration, server);
  if (serverPort >= 0) {
    builder.port(serverPort);
  }

  // only restart server on on-disk changes detected when in RUN mode
  builder.automaticRestart(ILaunchManager.RUN_MODE.equals(mode));

  // vmArguments is exactly as supplied by the user in the dialog box
  String vmArgumentString = getVMArguments(configuration);
  List<String> vmArguments = Arrays.asList(DebugPlugin.parseArguments(vmArgumentString));
  if (!vmArguments.isEmpty()) {
    builder.jvmFlags(vmArguments);
  }
  // programArguments is exactly as supplied by the user in the dialog box
  String programArgumentString = getProgramArguments(configuration);
  List<String> programArguments =
      Arrays.asList(DebugPlugin.parseArguments(programArgumentString));
  if (!programArguments.isEmpty()) {
    builder.additionalArguments(programArguments);
  }

  boolean environmentAppend =
      configuration.getAttribute(ILaunchManager.ATTR_APPEND_ENVIRONMENT_VARIABLES, true);
  if (!environmentAppend) {
    // not externalized as this may change due to
    // https://github.com/GoogleCloudPlatform/appengine-plugins-core/issues/446
    throw new CoreException(
        StatusUtil.error(this, "'Environment > Replace environment' not yet supported")); //$NON-NLS-1$
  }
  // Could use getEnvironment(), but it does `append` processing and joins as key-value pairs
  Map<String, String> environment = configuration.getAttribute(
      ILaunchManager.ATTR_ENVIRONMENT_VARIABLES, Collections.<String, String>emptyMap());
  Map<String, String> expanded = new HashMap<>();
  IStringVariableManager variableEngine = VariablesPlugin.getDefault().getStringVariableManager();
  for (Map.Entry<String, String> entry : environment.entrySet()) {
    // expand any variable references
    expanded.put(entry.getKey(), variableEngine.performStringSubstitution(entry.getValue()));
  }
  builder.environment(expanded);

  return builder.build();
}
 

public static String performStringSubstitution(String line, boolean isReportUndefinedVariables) throws CoreException {
	IStringVariableManager manager = VariablesPlugin.getDefault().getStringVariableManager();
	return manager.performStringSubstitution(line, isReportUndefinedVariables);
}
 

private static IStringVariableManager getStringVariableManager() {
	return VariablesPlugin.getDefault().getStringVariableManager();
}
 

private IStringVariableManager getVariableManager() {
  return VariablesPlugin.getDefault().getStringVariableManager();
}
 

/**
 * @param project
 * @param parentPath
 * @return
 */
public String getResourceFolder( IProject project, String parentPath )
{
	String resourceFolder = ReportPlugin.getDefault( )
			.getResourcePreference( project );

	if ( resourceFolder == null || resourceFolder.equals( "" ) ) //$NON-NLS-1$
	{
		resourceFolder = parentPath;
	}

	if ( resourceFolder == null )
	{
		resourceFolder = "";//$NON-NLS-1$
	}

	String str = resourceFolder;
	try
	{
		IStringVariableManager mgr = VariablesPlugin.getDefault( )
				.getStringVariableManager( );
		str = mgr.performStringSubstitution( resourceFolder );
	}
	catch ( CoreException e )
	{
		str = resourceFolder;
	}

	resourceFolder = str;
	File file = new File( resourceFolder );

	if ( !file.isAbsolute( ) )
	{
		if ( project != null && project.getLocation( ) != null )
		{
			resourceFolder = project.getLocation( )
					.append( resourceFolder )
					.toOSString( );
		}
		else
		{
			if ( resourceFolder != null
					&& !resourceFolder.startsWith( File.separator ) )
			{
				resourceFolder = File.separator + resourceFolder;
			}
			resourceFolder = parentPath + resourceFolder;
		}
	}
	return resourceFolder;
}
 

/**
 * @param resource only used if captureOutput is true!
 * @param location only used if captureOutput is false!
 * @param captureOutput determines if the output should be captured or not (if captured a console will be
 * shown to it by default)
 */
private static ILaunchConfigurationWorkingCopy createDefaultLaunchConfiguration(FileOrResource[] resource,
        String launchConfigurationType, String location, IInterpreterManager pythonInterpreterManager,
        String projName, String vmargs, String programArguments, boolean captureOutput) throws CoreException {

    ILaunchManager manager = org.eclipse.debug.core.DebugPlugin.getDefault().getLaunchManager();
    ILaunchConfigurationType type = manager.getLaunchConfigurationType(launchConfigurationType);
    if (type == null) {
        throw new CoreException(PydevDebugPlugin.makeStatus(IStatus.ERROR, "Python launch configuration not found",
                null));
    }

    IStringVariableManager varManager = VariablesPlugin.getDefault().getStringVariableManager();

    String name;
    String baseDirectory;
    String moduleFile;
    int resourceType;

    if (captureOutput) {
        StringBuffer buffer = new StringBuffer(projName);
        buffer.append(" ");
        StringBuffer resourceNames = new StringBuffer();
        for (FileOrResource r : resource) {
            if (resourceNames.length() > 0) {
                resourceNames.append(" - ");
            }
            if (r.resource != null) {
                resourceNames.append(r.resource.getName());
            } else {
                resourceNames.append(r.file.getName());
            }
        }
        buffer.append(resourceNames);
        name = buffer.toString().trim();

        if (resource[0].resource != null) {
            // Build the working directory to a path relative to the workspace_loc
            baseDirectory = resource[0].resource.getFullPath().removeLastSegments(1).makeRelative().toString();
            baseDirectory = varManager.generateVariableExpression("workspace_loc", baseDirectory);

            // Build the location to a path relative to the workspace_loc
            moduleFile = makeFileRelativeToWorkspace(resource, varManager);
            resourceType = resource[0].resource.getType();
        } else {
            baseDirectory = FileUtils.getFileAbsolutePath(resource[0].file.getParentFile());

            // Build the location to a path relative to the workspace_loc
            moduleFile = FileUtils.getFileAbsolutePath(resource[0].file);
            resourceType = IResource.FILE;
        }
    } else {
        captureOutput = true;
        name = location;
        baseDirectory = new File(location).getParent();
        moduleFile = location;
        resourceType = IResource.FILE;
    }

    name = manager.generateLaunchConfigurationName(name);

    ILaunchConfigurationWorkingCopy workingCopy = type.newInstance(null, name);
    // Python Main Tab Arguments

    workingCopy.setAttribute(Constants.ATTR_PROJECT, projName);
    workingCopy.setAttribute(Constants.ATTR_RESOURCE_TYPE, resourceType);
    workingCopy.setAttribute(Constants.ATTR_INTERPRETER, Constants.ATTR_INTERPRETER_DEFAULT);

    workingCopy.setAttribute(Constants.ATTR_LOCATION, moduleFile);
    workingCopy.setAttribute(Constants.ATTR_WORKING_DIRECTORY, baseDirectory);
    workingCopy.setAttribute(Constants.ATTR_PROGRAM_ARGUMENTS, programArguments);
    workingCopy.setAttribute(Constants.ATTR_VM_ARGUMENTS, vmargs);

    workingCopy.setAttribute(IDebugUIConstants.ATTR_LAUNCH_IN_BACKGROUND, captureOutput);
    workingCopy.setAttribute(DebugPlugin.ATTR_CAPTURE_OUTPUT, captureOutput);

    if (resource[0].resource != null) {
        workingCopy.setMappedResources(FileOrResource.createIResourceArray(resource));
    }
    return workingCopy;
}
 

private static String makeFileRelativeToWorkspace(IResource r, IStringVariableManager varManager) {
    String m = r.getFullPath().makeRelative().toString();
    m = varManager.generateVariableExpression("workspace_loc", m);
    return m;
}
 

public void testPythonCommandLine() throws Exception {
    PythonNature nature = PythonNature.getPythonNature(mod1);

    // Create a temporary variable for testing
    IStringVariableManager variableManager = VariablesPlugin.getDefault().getStringVariableManager();
    IValueVariable myCustomVariable = variableManager.newValueVariable("pydev_python_runner_config_test_var", "",
            true, "my_custom_value");
    variableManager.addVariables(new IValueVariable[] { myCustomVariable });

    try {
        IInterpreterManager manager = InterpreterManagersAPI.getPythonInterpreterManager(true);
        InterpreterInfo info = (InterpreterInfo) manager.getDefaultInterpreterInfo(false);
        info.setEnvVariables(new String[] { "MY_CUSTOM_VAR_FOR_TEST=FOO", "MY_CUSTOM_VAR_FOR_TEST2=FOO2",
                "MY_CUSTOM_VAR_WITH_VAR=${pydev_python_runner_config_test_var}" });

        // Make sure variable hasn't been expanded too early
        assertTrue(arrayContains(info.getEnvVariables(),
                "MY_CUSTOM_VAR_WITH_VAR=${pydev_python_runner_config_test_var}"));

        PythonRunnerConfig runnerConfig = createConfig();
        assertTrue(arrayContains(runnerConfig.envp, "MY_CUSTOM_VAR_FOR_TEST=FOO"));
        assertTrue(arrayContains(runnerConfig.envp, "MY_CUSTOM_VAR_FOR_TEST2=FOO2"));
        assertTrue(arrayContains(runnerConfig.envp, "MY_CUSTOM_VAR_WITH_VAR=my_custom_value"));

        String[] argv = runnerConfig.getCommandLine(false);
        assertFalse(arrayContains(argv, PythonRunnerConfig.getRunFilesScript()));
        assertTrue(arrayContains(argv, mod1.getLocation().toOSString()));

        nature.setVersion(IPythonNature.Versions.PYTHON_VERSION_LATEST, IPythonNature.DEFAULT_INTERPRETER);
        assertEquals(manager.getDefaultInterpreterInfo(false).getExecutableOrJar(), nature.getProjectInterpreter()
                .getExecutableOrJar());
        runnerConfig = createConfig();
        argv = runnerConfig.getCommandLine(false);
        assertEquals(manager.getDefaultInterpreterInfo(false).getExecutableOrJar(), argv[0]);

        IInterpreterManager interpreterManager = nature.getRelatedInterpreterManager();

        InterpreterInfo info2 = new InterpreterInfo(IPythonNature.PYTHON_VERSION_2_6, "c:\\interpreter\\py25.exe",
                new ArrayList<String>());
        interpreterManager.setInfos(new IInterpreterInfo[] { info, info2 }, null, null);

        nature.setVersion(IPythonNature.Versions.PYTHON_VERSION_LATEST, "c:\\interpreter\\py25.exe");
        assertEquals("c:\\interpreter\\py25.exe", nature.getProjectInterpreter().getExecutableOrJar());
        runnerConfig = createConfig();
        argv = runnerConfig.getCommandLine(false);
        assertEquals("c:\\interpreter\\py25.exe", argv[0]);
        nature.setVersion(IPythonNature.Versions.PYTHON_VERSION_LATEST, IPythonNature.DEFAULT_INTERPRETER);

        ILaunchConfiguration config;
        config = new LaunchShortcut().createDefaultLaunchConfiguration(FileOrResource
                .createArray(new IResource[] { mod1 }));
        ILaunchConfigurationWorkingCopy workingCopy = config.getWorkingCopy();
        HashMap<String, String> map = new HashMap<String, String>();
        map.put("VAR_SPECIFIED_IN_LAUNCH", "BAR");
        map.put("MY_CUSTOM_VAR_FOR_TEST2", "BAR2"); //The one in the launch configuration always has preference.
        workingCopy.setAttribute(ILaunchManager.ATTR_ENVIRONMENT_VARIABLES, map);
        config = workingCopy.doSave();

        runnerConfig = new PythonRunnerConfig(config, ILaunchManager.RUN_MODE, PythonRunnerConfig.RUN_REGULAR);
        assertTrue(arrayContains(runnerConfig.envp, "VAR_SPECIFIED_IN_LAUNCH=BAR"));
        assertTrue(arrayContains(runnerConfig.envp, "MY_CUSTOM_VAR_FOR_TEST=FOO"));
        assertTrue(arrayContains(runnerConfig.envp, "MY_CUSTOM_VAR_FOR_TEST2=BAR2"));
        assertTrue(arrayContains(runnerConfig.envp, "MY_CUSTOM_VAR_WITH_VAR=my_custom_value"));
    } catch (Throwable e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    } finally {
        //restore the default!
        nature.setVersion(IPythonNature.Versions.PYTHON_VERSION_LATEST, IPythonNature.DEFAULT_INTERPRETER);
        variableManager.removeVariables(new IValueVariable[] { myCustomVariable });
    }
}