MONTHS is a constant within the django.utils.dates module of the Django project.
django-floppyforms (project documentation and PyPI page) is a Django code library for better control over rendering HTML forms in your templates.
The django-floppyforms code is provided as open source and maintained by the collaborative developer community group Jazzband.
django-floppyforms / floppyforms / widgets.py
# widgets.py
import datetime
import re
from itertools import chain
import django
from django import forms
from django.conf import settings
from django.forms.widgets import FILE_INPUT_CONTRADICTION
from django.template import loader
from django.utils import datetime_safe, formats
from django.utils.dates import MONTHS
from django.utils.encoding import force_str
from django.utils.html import conditional_escape
from django.utils.safestring import mark_safe
from django.utils.translation import gettext_lazy as _
from .compat import MULTIVALUE_DICT_TYPES, flatten_contexts
from django.forms.utils import to_current_timezone
RE_DATE = re.compile(r'(\d{4})-(\d\d?)-(\d\d?)$')
__all__ = (
'TextInput', 'PasswordInput', 'HiddenInput', 'ClearableFileInput',
'FileInput', 'DateInput', 'DateTimeInput', 'TimeInput', 'Textarea',
'CheckboxInput', 'Select', 'NullBooleanSelect', 'SelectMultiple',
'RadioSelect', 'CheckboxSelectMultiple', 'SearchInput', 'RangeInput',
'ColorInput', 'EmailInput', 'URLInput', 'PhoneNumberInput', 'NumberInput',
'IPAddressInput', 'MultiWidget', 'Widget', 'SplitDateTimeWidget',
'SplitHiddenDateTimeWidget', 'MultipleHiddenInput', 'SelectDateWidget',
'SlugInput',
)
## ... source file continues with no further MONTHS examples...