Converting string date to python datetime

date_converter.py

import re
from datetime import date

# Months Dictionary
MONTHS = {'enero': 1, 'febrero': 2, 'marzo': 3, 'abril': 4, 'mayo': 5, 'junio': 6, 'julio': 7, 'agosto': 8, 'septiembre': 9, 'octubre': 10, 'noviembre': 11, 'diciembre': 12}

# Function that converts thex date to python datetime
def get_date_from_text(text):
    
    # Remove spaces to simplify the RegEx
    text = text.replace(' ', '') 
    
    # Find the pattern
    # (\d{1,2}): search for one or two numeric characters (First group - This is the day)
    # de: the word "de"
    # (\w+): search a string (Second group - this is the month)
    # del?: the word "de" or "del" (the letter l is optional)
    # (\d{4}): search for four numeric characters (Third group - This is the year)
    text = re.search('(\d{1,2})de(\w+)del?(\d{4})', text, re.IGNORECASE)

    # Check if there are 3 group, if there are no 3 groups, there text is invalid
    if len(text.groups()) != 3:
        raise Exception('Incorrect Date Format')
    
    day = int(text.group(1))               # Convert the first group to integer (Day)
    year = int(text.group(3))              # Convert the third group to integer (Year)
    month = MONTHS[text.group(2).lower()]  # Map the month in words to the MONTHS dictionary (the dictionary key is the month in lowercase, the dictionary value is the month number)

    return date(year, month, day)          # Return the Python datetime

date_string = "7 de marzo de 2020"
python_date = get_date_from_text(date_string)
print(date_string, '-->', python_date)

date_string = "6 de agosto del 2005"
python_date = get_date_from_text(date_string)
print(date_string, '-->', python_date)