Merge branch 'metams-compatibility' into 'master'

Update GCMSBase class `parameters` property

Closes #189

See merge request mass-spectrometry/corems!147

Author: corilo

corems/mass_spectra/factory/GC_Class.py

@@ -201,6 +201,18 @@ def set_scans_number_from_data(self):
 
         self.scans_number = sorted(self._ms.keys())
 
+    @property
+    def parameters(self):
+        """GCMS Parameters"""
+        return self._parameters
+
+    @parameters.setter
+    def parameters(self, gcms_parameters_instance):
+        self._parameters = gcms_parameters_instance
+
+    # Note: maintaining `parameter` for backwards compatibility,
+    # but proper usage would reference `parameters` to conform
+    # to other classes.
     @property
     def parameter(self):
         """GCMS Parameters"""
@@ -213,20 +225,20 @@ def parameter(self, gcms_parameters_instance):
     @property
     def molecular_search_settings(self):
         """Molecular Search Settings"""
-        return self.parameter.molecular_search
+        return self.parameters.molecular_search
 
     @molecular_search_settings.setter
     def molecular_search_settings(self, settings_class_instance):
-        self.parameter.molecular_search = settings_class_instance
+        self.parameters.molecular_search = settings_class_instance
 
     @property
     def chromatogram_settings(self):
         """Chromatogram Settings"""
-        return self.parameter.gc_ms
+        return self.parameters.gc_ms
 
     @chromatogram_settings.setter
     def chromatogram_settings(self, settings_class_instance):
-        self.parameter.gc_ms = settings_class_instance
+        self.parameters.gc_ms = settings_class_instance
 
     @property
     def scans_number(self):