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class StudentAnswersAdmin(admin.ModelAdmin):

    def get_readonly_fields(self, request, obj=None):
        # make all fields readonly
        readonly_fields = list(set(
            [field.name for field in self.opts.local_fields] +
            [field.name for field in self.opts.local_many_to_many]
        ))
        if 'is_submitted' in readonly_fields:
            readonly_fields.remove('is_submitted')

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import os
import re
import sys
import argparse

renaming_enabled = False
dir_path = os.path.dirname(os.path.realpath(__file__))


def rename_file(file_name, new_file_name):

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#! /usr/bin/env python
# -*- coding: utf-8 -*-
import datetime
from mock import patch

from django.test import TestCase
from django.utils import timezone


class DatesTestCase(TestCase):

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class ContactForm(forms.ModelForm):

    def __init__(self, *args, **kwargs):
        super(ContactForm, self).__init__(*args, **kwargs)
        self.fields['topic'].queryset = ContactTopic.objects.filter(
            is_active=True,
        )

    class Meta:
        model = ContactMessage

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from django.contrib import admin

from product.forms import EquipmentForm

@admin.register(Equipment)
class EquipmentAdmin(admin.ModelAdmin):
    form = EquipmentForm
    
    inlines = [
        EquipmentGalleryInline,

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class MyForm(forms.ModelForm):
    requested_asset = None
    
    def __init__(self, *args, **kwargs):
        other_variable = kwargs.pop('other_variable')
        super(MyForm, self).__init__(*args, **kwargs)

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class MyAdmin(admin.ModelAdmin):

    def has_delete_permission(self, request, obj=None):
        return False

    def get_actions(self, request):
        actions = super(MyAdmin, self).get_actions(request)
        if 'delete_selected' in actions:
            del actions['delete_selected']
        return actions

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# source: http://stackoverflow.com/questions/1317714/how-can-i-filter-a-date-of-a-datetimefield-in-django

from django.utils import timezone

today_min = datetime.datetime.combine(timezone.now().date(), datetime.time.min)
today_max = datetime.datetime.combine(timezone.now().date(), datetime.time.max)
MyModel.objects.get(date__range=(today_min, today_max))

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from django.forms.util import ErrorList
from django import forms

class ContractUpdateView(UpdateView):
    model = Contract
    template_name = 'contract/contract_form.html'
    form_class = ContractForm

    def form_valid(self, form):
        if self.request.POST.get('finish'):

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class BasicAdmin(admin.ModelAdmin):
    # ...

    def get_urls(self):
        urls = super(BasicAdmin, self).get_urls()
        my_urls = patterns(
            '',
            (r'^download_as_xls/$', self.download_as_xls_view)
        )
        return my_urls + urls