step 5

gendiff/engine.py

@@ -0,0 +1,19 @@
+from gendiff.json_diff import open_json
+from gendiff.yaml_diff import open_yaml
+
+
+def convert_bool_value(val):
+    bool_value = {'True': 'true', 'False': 'false'}
+    if isinstance(val, bool):
+        return bool_value[str(val)]
+    else:
+        return val
+
+
+def format_decoder(filepath):
+    if filepath.endswith('json'):
+        return open_json(filepath)
+    elif filepath.endswith('yml') or filepath.endswith('yaml'):
+        return open_yaml(filepath)
+    else:
+        raise ValueError("Invalid file format!")

gendiff/json_diff.py

@@ -0,0 +1,6 @@
+import json
+
+
+def open_json(filepath):
+    deserialized_file = json.load(open(filepath))
+    return deserialized_file

gendiff/yaml_diff.py

@@ -0,0 +1,6 @@
+import yaml
+
+
+def open_yaml(filepath):
+    deserialized_file = yaml.safe_load(open(filepath))
+    return deserialized_file