Make a list of Quincenas (pay-check day) in Mexico

get_quincenas.py

import pandas as pd
import holidays

def get_quincenas(start_date, end_date):
    mx_holidays = holidays.country_holidays('MX')
    date_range = pd.date_range(start_date, end_date, freq='D')

    quincenas = []
    for d in date_range:
        if d.day == 15 or d.is_month_end:
            day_shift = 0
            while (d + timedelta(days=day_shift)).day_of_week in [5, 6] or mx_holidays.get(d + timedelta(days=day_shift)) is not None:
                day_shift -= 1

            r = d + timedelta(days=day_shift)
            quincenas.append(r.date())

    return quincenas