Sort a Python 3 Dictionary By Date, On Keys

sort_dict_by_date.py

from collections import OrderedDict
from datetime import datetime


def sort_dict_by_date(the_dict, date_format):
    # Python dicts do not hold their ordering so we need to make it an
    # ordered dict, after sorting.
    return OrderedDict(reversed(sorted(
            the_dict.items(),
            key=lambda x: datetime.strptime(x[0], date_format)
        )))