Install: Use a python based method to get conda env info

Author: simmsa

mhkit/package/+mhkit/+conda/parse_info.m

@@ -24,69 +24,62 @@
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-    [status, cmd_out] = mhkit.sys(sprintf('conda run -n %s conda info', env_name));
+    % Initialize result struct
+    result = struct();
+    
+    % 1. Verify the environment exists in conda's environment list
+    [status, env_list] = mhkit.sys('conda env list');
     if status ~= 0
-        logger.error('Failed to execute conda info');
+        logger.error('Failed to get conda environment list');
+        result = struct();
+        return;
     end
-
-    % Initialize the output struct
-    result = struct();
-
-    % Define the fields we want to extract
-    fields_to_find = {
-        'active environment',
-        'active env location',
-        'python version',
-        'platform'
-    };
-
-    disp('Parsing conda info output...');
-    disp(cmd_out);
-
-    % Split the input into lines
-    lines = regexp(cmd_out, '\n', 'split');
-
-    % Process each line
-    for i = 1:length(lines)
-        line = strtrim(lines{i});
-
-        % Skip empty lines
-        if isempty(line)
-            continue;
-        end
-
-        % Check if line contains any of our desired fields
-        for j = 1:length(fields_to_find)
-            field = fields_to_find{j};
-            % Extract key part (before the colon)
-            parts = regexp(line, ':', 'split');
-            if ~isempty(parts)
-                line_key = strtrim(parts{1});
-                if strcmpi(line_key, field)  % Case-insensitive exact match
-                    % Get the value
-                    value = strjoin(parts(2:end), ':');  % Rejoin in case value contains colons
-                    value = strtrim(value);
-
-                    % Convert field name to valid MATLAB field name
-                    field_name = regexprep(lower(field), '\s+', '_');
-
-                    % Store in struct
-                    result.(field_name) = value;
-                    % fprintf('Matched field "%s" with value "%s"\n', field, value);
-                    break;
-                end
-            end
-        end
+    
+    % Check if our environment name exists in the list
+    if ~contains(env_list, env_name)
+        logger.error('Environment "%s" not found in conda environment list', env_name);
+        result = struct();
+        return;
     end
-
-    % Verify all fields were found
-    fprintf('\nFound fields:\n');
-    for j = 1:length(fields_to_find)
-        field_name = regexprep(lower(fields_to_find{j}), '\s+', '_');
-        if isfield(result, field_name)
-            fprintf('  %s: %s\n', field_name, result.(field_name));
-        else
-            fprintf('  WARNING: Field "%s" not found!\n', fields_to_find{j});
-        end
+    
+    result.active_environment = env_name;
+    
+    % 2. Get Python version directly from environment
+    [status, python_version_raw] = mhkit.sys(sprintf('conda run -n %s python --version', env_name));
+    if status ~= 0
+        logger.error('Failed to get Python version from environment %s', env_name);
+        result = struct();
+        return;
+    end
+    version_match = regexp(python_version_raw, 'Python\s+(\d+\.\d+\.\d+)', 'tokens');
+    if isempty(version_match)
+        logger.error('Could not parse Python version from: %s', python_version_raw);
+        result = struct();
+        return;
+    end
+    result.python_version = version_match{1}{1};
+    
+    % 3. Get environment location directly from Python
+    [status, env_location] = mhkit.sys(sprintf('conda run -n %s python -c "import sys; print(sys.prefix)"', env_name));
+    if status ~= 0
+        logger.error('Failed to get environment location from environment %s', env_name);
+        result = struct();
+        return;
+    end
+    result.active_env_location = strip(env_location);
+    
+    % 4. Get platform directly from Python
+    [status, platform_info] = mhkit.sys(sprintf('conda run -n %s python -c "import platform; print(platform.system().lower() + ''-'' + platform.machine())"', env_name));
+    if status ~= 0
+        logger.error('Failed to get platform info from environment %s', env_name);
+        result = struct();
+        return;
     end
+    result.platform = strip(platform_info);
+    
+    % Log success
+    logger.info('✓ Retrieved environment info for %s:', env_name);
+    logger.info('  Python version: %s', result.python_version);
+    logger.info('  Location: %s', result.active_env_location);
+    logger.info('  Platform: %s', result.platform);
 end