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class MyModelForm(ModelForm):
  
    def validate_unique(self):
        """
        Call the instance's validate_unique() method and update the form's
        validation errors if any were raised.
        """
        exclude = self._get_validation_exclusions()
        # Don't exclude validation constraints on the basis of the Endpoint
        # field. The value is set before .is_valid() is called, so we want

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from datetime import datetime, timedelta
import pytz


# Reference point: Monday at midnight UTC
# TODO: Update to the starting time of the meetup poll.
reference_point = datetime(2025, 2, 16, tzinfo=pytz.UTC)
# TODO: You'll need to reshape the availabilities from the lettuce
# meet GraphQL response to match the following
availabilities = [

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import csv

DAYS = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
# Monday is 0 and Sunday is 6 for weekday.
SHIFTS = {
    day: i*24
    for i, day in enumerate(DAYS)
}
MAX_HOURS = 168 # 24 * 7

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from functools import wraps

from django.contrib import admin



class AdminMeta:
    """
    Use this Meta class on a model since we can't add
    custom fields to Model.Meta

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import warnings

from django.db import models, transaction
from django.db.models.fields import Field
from django.db.models.utils import resolve_callables


class QuerySet(models.QuerySet):
    """A QuerySet with a conditional update or create method."""

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from django.db.models import IntegerField, Subquery

class SubqueryCount(Subquery):
    template = "(SELECT COUNT(*) FROM (%(subquery)s) _count)"
    output_field = IntegerField()

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https://www.python.org/nominations/elections/2021-python-software-foundation-board/nominees/debora-azevedo/
https://www.python.org/nominations/elections/2021-python-software-foundation-board/nominees/tania-allard/
https://www.python.org/nominations/elections/2022-python-software-foundation-board/nominees/kushal-das/
https://www.python.org/nominations/elections/2022-python-software-foundation-board/nominees/jannis-leidel/
https://www.python.org/nominations/elections/2021-python-software-foundation-board/nominees/joannah-nanjekye/
https://www.python.org/nominations/elections/2022-python-software-foundation-board/nominees/dawn-wages/
https://www.python.org/nominations/elections/2022-python-software-foundation-board/nominees/simon-willison/

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# There will come a time when you want to show more information on the admin
# list view, but performing the annotation on the entire queryset kills
# performance. These classes will allow you to apply a QuerySet annotation
# to only those objects that are rendered on the current page.

# Constraints:
# - This adds one additional query to your request.
# - The annotated columns can't be used in ordering.
# - You need to define functions to access the annotated fields on the object.

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