Allow datafile selection with filter on filename

pyiricdata/Client.py

@@ -191,13 +191,20 @@ class Client:
 #        df.index.name = 'ID'
         return(self.get_list_datafiles(dataset_id=dataset_id))
 
-    """ Get DatasetId by name"""
-    def get_dataset_id_by_name(self, name):
-        return self.datasets.loc[self.datasets.dataset_name==name,'dataset_slug'][0]
+    """ Get a subset of the available datasets for which there is a match """
+    def filter_datasets(self, term, exact_match=False):
+        if exact_match:
+            return self.datasets[self.datasets.dataset_name.str.fullmatch(term)]
+        else:
+            return self.datasets[self.datasets.dataset_name.str.contains(term)]
 
-    """ Get a subset of the available datasets for which name match a given term """
-    def search_dataset_names(self, term):
-        return self.datasets.loc[self.datasets.dataset_name.str.contains(term),:]
+    def filter_datafiles(self, term, exact_match=False, **kwargs):  # kwargs refer to get_list_datafiles arguments
+        df = self.get_list_datafiles(**kwargs)
+        print(df)
+        if exact_match:
+            return df[df.filename.str.fullmatch(term)]
+        else:
+            return df[df.filename.str.contains(term)]
 
     """ Download file according to file_id """
     def dwnl_file_content(self, file_id, folder_out='', filename=''):