##################### VIEWS.PY
def current_quarter():
    lang = {}
    lang[1] = u'Первый квартал (I)'
    lang[2] = u'Второй квартал (II)'
    lang[3] = u'Третий квартал (III)'
    lang[4] = u'Четвертый квартал (IV)'
    current_day = int(strftime('%j'))
    current_year = int(strftime('%Y'))
    if current_day <= 90:
        p = 4
    if (current_day <= 180) and (current_day > 90):
        p = 1
    if (current_day <= 270) and (current_day > 180):
        p = 2
    if current_day > 270:
        p = 3

    for_web = []
    for_def = []
    for_db = Q()
    for i in range(4):
#        print i
        if p == 0:
            p = 4
            current_year -= 1
        for_web.append({'Period': lang[p], 'Period_Year': current_year})
        for_def.append({'Period': p, 'Period_Year': current_year})
        for_db = for_db | (Q(period=p) & Q(period_year=current_year))
        p -= 1
    return {'db':for_db, 'web':for_web, 'def':for_def}

def finance(request, id):
    try:
        company_data = Company.objects.get(id=id, user=request.user)
    except Company.DoesNotExist:
        return HttpResponseRedirect('/company/new/')
    period_data = current_quarter()
    CompanyFinanceSet = modelformset_factory(Company_Finance, extra=4, max_num=4, fields = ('receipt', 'asset', 'capital_reserve', ))
    if request.method == 'POST':
        formset = CompanyFinanceSet(request.POST)
        if formset.is_valid():
            period_data['def'].reverse()
            for form in formset.forms:
                try:
                    per_data = period_data['def'].pop()
                    instance = form.save(commit=False)
                    instance.company = company_data
                    instance.period = per_data['Period']
                    instance.period_year = per_data['Period_Year']
                    instance.save()
                except:
                    return render_to_response('finance.html', {'formset': formset, 'period': period_data['web']})
            return HttpResponseRedirect('/')
    formset = CompanyFinanceSet(queryset=Company_Finance.objects.filter(period_data['db']).filter(company=id))
    return render_to_response('finance.html', {'formset': formset, 'period': period_data['web']})

#######################