Aula FATEC LP01

adicionar_data.py

# The MIT License (MIT)
#  
# Copyright (c) 2018 RatoX
#  
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

day = int(input('Digite o dia: '))
month = int(input('Digite o mes: '))
year = int(input('Digite o ano: '))

invalidDate = False
leadYear = False
_31DaysMonth = True

if day < 1 or day > 31:
    invalidDate = True

if month < 1 or month > 12:
    invalidDate = True

# tu pode usar a forma long tambem
# if month == 4 or month == 6
if month in [4, 6, 9, 11] and day == 31:
    _31DaysMonth = False
    invalidDate = True
elif month == 2:
    _31DaysMonth = False

# Verificar ano bissexto
if ((year % 4 == 0) and (year % 100 != 0)) or (year % 400 == 0):
    leadYear = True
    if month == 2 and day > 29:
        invalidDate = True
else:
    if month == 2 and day > 28:
        invalidDate = True

if invalidDate:
    print "Data Invalida"
else:
    new_day = -1

    if _31DaysMonth:
        new_day = ( ( 31 + day ) % 31) + 1
    elif leadYear and month == 2:
        new_day = ( ( 29 + day ) % 29) + 1
    elif month == 2:
        new_day = ( ( 28 + day ) % 28) + 1
    else:
        new_day = ( ( 30 + day ) % 30) + 1

    new_month = month
    if new_day < day:
        new_month = ( ( 12 + month ) % 12) + 1

    new_year = year
    if new_month < month:
        new_year = year + 1

    print "{}-{}-{}".format(new_day, new_month, new_year)