duplication_time_check.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# お題: 時間帯重複チェック

def checkIfSyntax(time1, time2):
    """
    >>> checkIfSyntax((-2,3,1,1,), (1,1,1,1))
    Traceback (most recent call last):
      ...
    Exception: Syntax Error
    >>> checkIfSyntax((1,1,1,1), (1,1,1,1))
    """
    (time1StartHour, time1StartMin, time1EndHour, time1EndMin) = time1
    (time2StartHour, time2StartMin, time2EndHour, time2EndMin) = time2
    # 時間のチェック
    if time1StartHour >= 24 or time2StartHour >= 24 or \
    time1EndHour >= 24 or time2EndHour >= 24 \
    or time1StartHour < 0 or time2StartHour < 0 \
    or time1EndHour < 0 or time2EndHour < 0:
        raise Exception("Syntax Error")
    if time1StartMin >= 60 or time2StartMin >= 60 \
    or time1EndMin >= 60 or time2EndMin >= 60 \
    or time1StartMin < 0 or time2StartMin < 0 \
    or time1EndMin < 0 or time2EndMin <0:
        raise Exception("Syntax Error")

def timeDuplicationCheck(time1, time2):
    """
    >>> timeDuplicationCheck( (1, 0, 5, 30), (9, 0, 23, 0) )
    False
    >>> timeDuplicationCheck( (1, 0, 2, 0), (2, 0, 3, 0) )
    False
    >>> timeDuplicationCheck( (1, 0, 2, 1), (1, 59, 3, 0) )
    True
    """
    checkIfSyntax(time1, time2)
    (time1StartHour, time1StartMin, time1EndHour, time1EndMin) = time1
    (time2StartHour, time2StartMin, time2EndHour, time2EndMin) = time2
    time1StartMinutes = time1StartHour * 60 + time1StartMin
    time1EndMinutes = time1EndHour * 60 + time1EndMin
    time2StartMinutes = time2StartHour * 60 + time2StartMin
    time2EndMinutes = time2EndHour * 60 + time2EndMin
    # time2 の開始が time1 の範囲に入っているかチェック
    if time1StartMinutes <= time2StartMinutes < time1EndMinutes:
        return True
    # time2 の終わりが time1 の範囲に入っているかチェック
    if time1StartMinutes < time2EndMinutes <= time1EndMinutes:
        return True
    return False

def _test():
    import doctest
    timeDuplicationCheck((0,1,0,3),(0,1,0,4))
    doctest.testmod()

if __name__ == '__main__':
    _test()