Moved read_json_file() function outside of class JsonImporter

src/pyctbn/legacy/utility/json_importer.py

@@ -10,6 +10,19 @@ import pandas as pd
 
 from .abstract_importer import AbstractImporter
 
+def read_json_file(file_path) -> typing.List:
+    """Reads the JSON file in the path self.filePath.
+
+    :return: The contents of the json file
+    :rtype: List
+    """
+    with open(file_path) as f:
+        data = json.load(f)
+
+        if (isinstance(data,list)):
+            return data
+        else:
+            return [data]
 
 class JsonImporter(AbstractImporter):
     """Implements the abstracts methods of AbstractImporter and adds all the necessary methods to process and prepare
@@ -52,7 +65,7 @@ class JsonImporter(AbstractImporter):
         self._df_samples_list = None
         self._array_indx = None
         super(JsonImporter, self).__init__(file_path)
-        self._raw_data = self.read_json_file()
+        self._raw_data = read_json_file(file_path)
 
     def import_data(self, indx: int = 0) -> None:
         """Implements the abstract method of :class:`AbstractImporter`.
@@ -101,21 +114,6 @@ class JsonImporter(AbstractImporter):
         """
         return self.one_level_normalizing(raw_data, self._array_indx, self._variables_label)
 
-    def read_json_file(self) -> typing.List:
-        """Reads the JSON file in the path self.filePath.
-
-        :return: The contents of the json file
-        :rtype: List
-        """
-        with open(self._file_path) as f:
-            data = json.load(f)
-
-            if (isinstance(data,list)):
-                return data
-            else:
-                return [data]
-         
-
     def one_level_normalizing(self, raw_data: typing.List, indx: int, key: str) -> pd.DataFrame:
         """Extracts the one-level nested data in the list ``raw_data`` at the index ``indx`` at the key ``key``.