1from typing import List 

2 

3import processor 

4from errors import DppError 

5 

6 

7class DppSearchError(DppError): 

8 pass 

9 

10 

11class DppNoSuchTagError(DppSearchError): 

12 def __init__(self, tags: List[str]): 

13 super().__init__( 

14 f"There is no such tag: '{ ', '.join(tags) }'.\n" 

15 f"All possible tags are: '{ ', '.join(processor.search.all_tags) }'." 

16 )