Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/rfc3339_validator.py: 52%

1# -*- coding: utf-8 -*- 

2 

3__author__ = """Nicolas Aimetti""" 

4__email__ = 'naimetti@yahoo.com.ar' 

5__version__ = '0.1.4' 

6 

7import re 

8import calendar 

9import six 

10 

11RFC3339_REGEX_FLAGS = 0 

12if six.PY3: 

13 RFC3339_REGEX_FLAGS |= re.ASCII 

14 

15RFC3339_REGEX = re.compile(r""" 

16 ^ 

17 (\d{4}) # Year 

18 - 

19 (0[1-9]|1[0-2]) # Month 

20 - 

21 (\d{2}) # Day 

22 T 

23 (?:[01]\d|2[0123]) # Hours 

24 : 

25 (?:[0-5]\d) # Minutes 

26 : 

27 (?:[0-5]\d) # Seconds 

28 (?:\.\d+)? # Secfrac 

29 (?: Z # UTC 

30 | [+-](?:[01]\d|2[0123]):[0-5]\d # Offset 

31 ) 

32 $ 

33""", re.VERBOSE | RFC3339_REGEX_FLAGS) 

34 

35 

36def validate_rfc3339(date_string): 

37 """ 

38 Validates dates against RFC3339 datetime format 

39 Leap seconds are no supported. 

40 """ 

41 m = RFC3339_REGEX.match(date_string) 

42 if m is None: 

43 return False 

44 year, month, day = map(int, m.groups()) 

45 if not year: 

46 # Year 0 is not valid a valid date 

47 return False 

48 (_, max_day) = calendar.monthrange(year, month) 

49 if not 1 <= day <= max_day: 

50 return False 

51 return True