chore: import upstream snapshot with attribution

fun_text_processing/text_normalization/ru/utils.py

@@ -0,0 +1,34 @@
+import csv
+import os
+
+import logging
+
+
+def get_abs_path(rel_path):
+    """
+    Get absolute path
+
+    Args:
+        rel_path: relative path to this file
+
+    Returns absolute path
+    """
+    abs_path = os.path.dirname(os.path.abspath(__file__)) + os.sep + rel_path
+
+    if not os.path.exists(abs_path):
+        logging.warning(f"{abs_path} does not exist")
+    return abs_path
+
+
+def load_labels(abs_path):
+    """
+    loads relative path file as dictionary
+
+    Args:
+        abs_path: absolute path
+
+    Returns dictionary of mappings
+    """
+    label_tsv = open(abs_path, encoding="utf-8")
+    labels = list(csv.reader(label_tsv, delimiter="\t"))
+    return labels