Coverage for src/countdown/timer.py: 100%

1"""Time parsing and formatting utilities.""" 

2 

3import re 

4 

5DURATION_RE = re.compile( 

6 r""" 

7 ^ 

8 (?: # Optional minutes 

9 ( \d+ ) # one or more digits 

10 m # "m" 

11 )? 

12 (?: # Optional seconds 

13 ( \d+ ) # one or more digits 

14 s # "s" 

15 )? 

16 $ 

17""", 

18 re.VERBOSE, 

19) 

20 

21 

22def duration(string): 

23 """Convert given XmXs string to seconds (as an integer).""" 

24 match = DURATION_RE.search(string) 

25 if not match: 

26 raise ValueError(f"Invalid duration: {string}") 

27 minutes, seconds = match.groups() 

28 return int(minutes or 0) * 60 + int(seconds or 0) 

29 

30 

31def get_number_lines(seconds, chars): 

32 """Return list of lines which make large MM:SS glyphs for given seconds. 

33 

34 Args: 

35 seconds: The time in seconds to format 

36 chars: Dictionary of character glyphs to use for rendering 

37 

38 Returns: 

39 List of strings, one per line of the ASCII art display 

40 """ 

41 digit_height = len(next(iter(chars.values())).splitlines()) 

42 lines = [""] * digit_height 

43 minutes, seconds = divmod(seconds, 60) 

44 time = f"{minutes:02d}:{seconds:02d}" 

45 for char in time: 

46 char_lines = chars[char].splitlines() 

47 for i, line in enumerate(char_lines): 

48 lines[i] += line + " " 

49 return lines