Coverage for pytestzoo/strings.py: 100.00%

1import unicodedata 

2 

3def reverse_string(s: str) -> str: 

4 """Reverses the given string.""" 

5 return s[::-1] 

6 

7 

8def is_palindrome(s: str) -> bool: 

9 """Returns True if the string is a palindrome.""" 

10 s_clean = ''.join(c.lower() for c in s if c.isalnum()) 

11 return s_clean == reverse_string(s_clean) 

12 

13 

14def strip_accents(s: str) -> str: 

15 """Remove accents from a string.""" 

16 return ''.join( 

17 c for c in unicodedata.normalize('NFKD', s) 

18 if not unicodedata.combining(c) 

19 ) 

20 

21 

22def count_vowels(s: str) -> int: 

23 """Counts the number of vowels in the string.""" 

24 # Normalize the string to NFKC form 

25 s_normalized = strip_accents(s) 

26 

27 # Lowercase and filter to alphabetic characters 

28 clean_string = ''.join(c.lower() for c in s_normalized if c.isalpha()) 

29 

30 return sum(1 for c in clean_string if c in 'aeiou') 

31 

32 

33def lowercase(s: str) -> str: 

34 """Convert the string to lowercase.""" 

35 return s.lower()