Install: Use conda to find python executable

Author: simmsa

mhkit/package/+mhkit/check_health.m

@@ -34,12 +34,20 @@
         logger.info('=== Python Environment Validation ===');
         try
             pe = pyenv();
-            logger.info('Python Version: %s', pe.Version);
-            logger.info('Python Executable: %s', pe.Executable);
-            logger.info('Python Library: %s', pe.Library);
-            logger.info('Python Home: %s', pe.Home);
-            logger.info('Execution Mode: %s', pe.ExecutionMode);
-            logger.info('Status: %s', pe.Status);
+            logger.info('Python Version: "%s"', pe.Version);
+            logger.info('Python Executable: "%s"', pe.Executable);
+            logger.info('Python Library: "%s"', pe.Library);
+            logger.info('Python Home: "%s"', pe.Home);
+            logger.info('Execution Mode: "%s"', pe.ExecutionMode);
+            logger.info('Status: "%s"', pe.Status);
+            
+            % Additional debugging for empty fields
+            if isempty(pe.Version)
+                logger.warning('⚠ Python Version is empty - pyenv not configured');
+            end
+            if isempty(pe.Executable)
+                logger.warning('⚠ Python Executable is empty - no Python path set');
+            end
 
             % Validate Python is properly configured
             if strcmp(pe.Status, 'NotLoaded')

mhkit/package/+mhkit/install.m

@@ -187,15 +187,28 @@ function initialize_python_integration(env_name, logger)
     % Initialize Python integration
     try
         % Get the Python executable path from the conda environment
-        [status, python_path] = mhkit.sys(sprintf('conda run -n %s python -c "import sys; print(sys.executable)"', env_name));
+        conda_command = sprintf('conda run -n %s python -c "import sys; print(sys.executable)"', env_name);
+        logger.info('Executing command: %s', conda_command);
+        [status, python_path] = mhkit.sys(conda_command);
+        
+        logger.info('Command status: %d', status);
+        logger.info('Raw Python path output: "%s"', python_path);
 
         if status ~= 0
             logger.error('Failed to get Python executable path from conda environment');
+            logger.error('Command output: %s', python_path);
             return
         end
 
         python_path = strip(python_path);
-        logger.info('Found Python executable: %s', python_path);
+        logger.info('Cleaned Python executable: %s', python_path);
+        
+        % Verify the Python executable exists
+        if ~exist(python_path, 'file')
+            logger.error('Python executable does not exist at path: %s', python_path);
+            return
+        end
+        logger.info('✓ Verified Python executable exists');
 
         % Add Python directory to system PATH (like the working Unix tests)
         python_dir = fileparts(python_path);