some fixes for newest conda on Windows

de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/fskenvironmentcreator/EnvironmentManager.java

@@ -49,28 +49,41 @@ public class EnvironmentManager {
      *   - `pyyaml`: YAML file parsing and writing.
      */
     public static String getPython3EnvContent(String envName, String version) {
-        String pythonVersion = (version != null && !version.isEmpty()) ? version : "3.9";
+        String pythonVersion = (version != null && !version.isEmpty()) ? version : "3.8";
         return "name: " + envName + "\n"
                + "channels:\n"
                + "  - conda-forge\n"
-               + "  - defaults\n"
+               + "  - knime\n"
                + "dependencies:\n"
-               + "  - python=" + pythonVersion + "\n"
-               + "  - numpy\n"
-               + "  - pandas\n"
-               + "  - scikit-learn\n"
-               + "  - scipy\n"
-               + "  - matplotlib-base\n"
-               + "  - plotly\n"
-               + "  - seaborn\n"
-               + "  - statsmodels\n"
-               + "  - requests\n"
-               + "  - pillow\n"
-               + "  - openpyxl\n"
+               + "  - knime-python-base\n"
+               //+ "  - beautifulsoup4\n"
+               //+ "  - cloudpickle\n"
+               //+ "  - ipython\n"
+               //+ "  - matplotlib-base\n"
+               //+ "  - markdown\n"
+               //+ "  - nbformat\n"
+               //+ "  - nltk\n"
+               //+ "  - nomkl\n"
+               //+ "  - numpy\n"
+               //+ "  - openpyxl\n"
+               //+ "  - pandas\n"
+               //+ "  - pillow\n"          
+               //+ "  - plotly\n"
+               //+ "  - py4j\n"
                + "  - descartes\n"
-               + "  - pyogrio\n"
-               + "  - pyyaml\n";
-    }
+               //+ "  - pyarrow\n"
+               + "  - python=" + pythonVersion + "\n"
+               //+ "  - pyogrio\n"
+               //+ "  - python-dateutil\n"
+               //+ "  - pytz\n"
+               //+ "  - pyyaml\n"
+               //+ "  - requests\n"
+               //+ "  - scikit-learn\n"
+               //+ "  - scipy\n"
+               //+ "  - seaborn\n"
+               //+ "  - statsmodels\n";
+               ;
+    }           
 
     /**
      * Generates the Conda environment YAML content for Python 2.
@@ -179,7 +192,7 @@ public static void createEnvironment(String environmentName, String languageWrit
           // Add additional dependencies
           if (additionalDependencies != null && additionalDependencies.length > 0) {
               for (String dependency : additionalDependencies) {
-                  if (!StringUtils.isBlank(dependency)) {
+                  if (!StringUtils.isBlank(dependency) && !dependency.equalsIgnoreCase("os")) {
                       if (languageWrittenIn.toLowerCase().startsWith("r ")) {
                           dependency = "r-" + dependency;
                       }

de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/fskenvironmentcreator/FSKEnvironmentCreatorNodeModel.java

@@ -138,7 +138,7 @@ protected PortObject[] execute(PortObject[] inObjects, ExecutionContext exec) th
   private boolean waitForEnvironmentCreation(FSKCondaEnvironmentCreationObserver.CondaEnvironmentCreationStatus m_status, ExecutionContext exec) throws InterruptedException {
       int timeout = 300000; // Set a 300-second timeout
       int elapsed = 0;
-      int interval = 500;  // 500ms sleep interval
+      int interval = 5000;  // 500ms sleep interval
 
       while (elapsed < timeout) {
           // Get the current status message

de.bund.bfr.knime.fsklab.preferences/src/de/bund/bfr/knime/fsklab/preferences/PreferencePage.java

@@ -68,11 +68,13 @@
 import org.knime.python2.Activator;
 import org.knime.python2.CondaPythonCommand;
 import org.knime.python2.ManualPythonCommand;
+import org.knime.python2.PythonCommand;
 import org.knime.python2.PythonKernelTester;
 import org.knime.python2.PythonKernelTester.PythonKernelTestResult;
 import org.knime.python2.PythonVersion;
 import org.knime.python2.config.CondaEnvironmentsConfig;
 import org.knime.python2.config.PythonConfigStorage;
+import org.knime.python2.kernel.PythonKernel;
 import org.knime.python2.prefs.PreferenceStorage;
 import org.knime.python2.prefs.PreferenceWrappingConfigStorage;
 import org.knime.python2.prefs.PythonPreferences;
@@ -1017,13 +1019,42 @@ private boolean callCondaAndMonitorExecution(Label label, final String... argume
 	private Process startCondaProcess(final String... arguments) throws IOException {
 	    List<String> command = new ArrayList<>();
 	    // Add the conda executable. If conda is in your system PATH, you can just use "conda"
-	    String app =getCondaInstallationPath()+ "/bin/conda"; 
-	    command.add(app);
+
+
+	    String os = System.getProperty("os.name").toLowerCase();
+
+        // Command configuration for cross-platform compatibility
+        if (os.contains("win")) {
+        	command.add("cmd.exe");
+            command.add("/c");
+    	    command.add("conda");
+
+        } else {
+        	command.add(getCondaInstallationPath()+ "/bin/conda");
+        }
+
 	    // Add all the provided arguments
 	    command.addAll(Arrays.asList(arguments));
-
+	    
 	    ProcessBuilder processBuilder = new ProcessBuilder(command);
 	    return processBuilder.start();
+
+	}
+	@Override
+	public void setVisible(boolean visible) {
+	    if (visible) {
+	        // Reset envsMaps to force refresh
+	        envsMaps = null;
+
+	        // Refresh the conda environments
+	        if (PreferenceInitializer.isPythonConda()) {
+	            fillCondaEnvsforPython(condaPath, messageRConda, compositePythonConda);
+	        }
+	        if (PreferenceInitializer.isRConda()) {
+	            fillCondaEnvsforR(condaPath, messageRConda, compositeRConda);
+	        }
+	    }
+	    super.setVisible(visible);
 	}
 
 }