Coverage for biobb_dna/utils/common.py: 60%

1from typing import Optional, Union 

2 

3 

4# TODO: Move this function to biobb_common.tools.file_utils 

5def _from_string_to_list(input_data: Optional[Union[str, list[str]]]) -> list[str]: 

6 """ 

7 Converts a string to a list, splitting by commas or spaces. If the input is already a list, returns it as is. 

8 Returns an empty list if input_data is None. 

9 

10 Parameters: 

11 input_data (str, list, or None): The string, list, or None value to convert. 

12 

13 Returns: 

14 list: A list of string elements or an empty list if input_data is None. 

15 """ 

16 if input_data is None: 

17 return [] 

18 

19 if isinstance(input_data, list): 

20 # If input is already a list, return it 

21 return input_data 

22 

23 # If input is a string, determine the delimiter based on presence of commas 

24 delimiter = "," if "," in input_data else " " 

25 items = input_data.split(delimiter) 

26 

27 # Remove whitespace from each item and ignore empty strings 

28 processed_items = [item.strip() for item in items if item.strip()] 

29 

30 return processed_items