Add options to control transcripts view struct #256

howard/functions/commons.py

@@ -3987,3 +3987,31 @@ def determine_column_number(values_list: list) -> str:
  return "."
 
  return "1"
+
+
+def clean_annotation_field(name: str = "", char_allowed: list = None) -> str:
+ """
+ The `clean_annotation_field` function removes characters from a string that are not alphanumeric or
+ in a specified list.
+
+ :param name: The `name` parameter is a string that represents the input text that you want to clean.
+ It typically contains annotations or other text that you want to process
+ :type name: str
+ :param char_allowed: The `char_allowed` parameter is a list that contains characters that are
+ allowed to remain in the `name` string after cleaning. Any character in the `name` string that is
+ not alphanumeric and not in the `char_allowed` list will be removed during the cleaning process
+ :type char_allowed: list
+ :return: The function `clean_annotation_field` returns a cleaned version of the `name` string, where
+ only alphanumeric characters and characters from the `char_allowed` list are kept.
+ """
+
+ # Init
+ if char_allowed is None:
+ char_allowed = []
+
+ # Convert char_allowed to a set for faster membership testing
+ char_allowed_set = set(char_allowed)
+
+ return "".join(
+ char for char in name if (char.isalnum() or char in char_allowed_set)
+ )