231 lines
8.1 KiB
Python
231 lines
8.1 KiB
Python
import logging
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import requests
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from django.shortcuts import render, redirect, get_object_or_404
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from django.contrib.auth.models import User
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from django.views.decorators.http import require_POST
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from django.contrib.auth.decorators import login_required
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from django.contrib import messages
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from django.core.urlresolvers import reverse
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from django.http import HttpResponseNotFound, HttpResponseServerError, HttpResponse, JsonResponse
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from django.conf import settings
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from django.contrib.sites.shortcuts import get_current_site
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from django.template.loader import render_to_string
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from django.views.decorators.cache import cache_page
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from db.base.models import Mode, Transmitter, Satellite, Suggestion
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from db.base.forms import SuggestionForm
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logger = logging.getLogger('db')
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@cache_page(settings.CACHE_TTL)
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def home(request):
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"""View to render home page."""
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satellites = Satellite.objects.all()
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transmitters = Transmitter.objects.all().count()
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suggestions = Suggestion.objects.all().count()
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contributors = User.objects.filter(is_active=1).count()
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return render(request, 'base/home.html', {'satellites': satellites,
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'transmitters': transmitters,
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'contributors': contributors,
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'suggestions': suggestions})
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def custom_404(request):
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"""Custom 404 error handler."""
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return HttpResponseNotFound(render(request, '404.html'))
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def custom_500(request):
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"""Custom 500 error handler."""
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return HttpResponseServerError(render(request, '500.html'))
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def robots(request):
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data = render(request, 'robots.txt', {'environment': settings.ENVIRONMENT})
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response = HttpResponse(data,
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content_type='text/plain; charset=utf-8')
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return response
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def satellite(request, norad):
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"""View to render home page."""
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satellite = get_object_or_404(Satellite, norad_cat_id=norad)
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suggestions = Suggestion.objects.filter(satellite=satellite)
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modes = Mode.objects.all()
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url = '{0}{1}'.format(settings.SATELLITE_POSITION_ENDPOINT, norad)
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try:
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sat_position = requests.get(url).json()
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except:
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sat_position = ''
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return render(request, 'base/satellite.html', {'satellite': satellite,
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'suggestions': suggestions, 'modes': modes,
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'sat_position': sat_position,
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'mapbox_id': settings.MAPBOX_MAP_ID,
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'mapbox_token': settings.MAPBOX_TOKEN})
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@login_required
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@require_POST
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def suggestion(request):
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"""View to process suggestion form"""
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suggestion_form = SuggestionForm(request.POST)
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if suggestion_form.is_valid():
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suggestion = suggestion_form.save(commit=False)
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suggestion.user = request.user
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suggestion.save()
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# Notify admins
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admins = User.objects.filter(is_superuser=True)
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site = get_current_site(request)
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subject = '[{0}] A new suggestion was submitted'.format(site.name)
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template = 'emails/new_suggestion.txt'
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saturl = '{0}{1}'.format(
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site.domain,
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reverse('satellite', kwargs={'norad': suggestion.satellite.norad_cat_id})
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)
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data = {
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'satname': suggestion.satellite.name,
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'saturl': saturl,
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'site_name': site.name
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}
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message = render_to_string(template, {'data': data})
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for user in admins:
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try:
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user.email_user(subject, message, from_email=settings.DEFAULT_FROM_EMAIL)
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except:
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logger.error(
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'Could not send email to user',
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exc_info=True
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)
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messages.success(request, ('Your suggestion was stored successfully. '
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'Thanks for contibuting!'))
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return redirect(reverse('satellite', kwargs={'norad': suggestion.satellite.norad_cat_id}))
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else:
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logger.error(
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'Suggestion form was not valid {0}'.format(suggestion_form.errors),
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exc_info=True,
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extra={
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'form': suggestion_form.errors,
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}
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)
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messages.error(request, 'We are sorry, but some error occured :(')
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return redirect(reverse('home'))
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def about(request):
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"""View to render about page."""
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return render(request, 'base/about.html')
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def faq(request):
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"""View to render faq page."""
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return render(request, 'base/faq.html')
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def stats(request):
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"""View to render stats page."""
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return render(request, 'base/stats.html')
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@cache_page(settings.CACHE_TTL)
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def statistics(request):
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"""View to create statistics endpoint."""
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satellites = Satellite.objects.all()
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transmitters = Transmitter.objects.all()
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modes = Mode.objects.all()
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total_satellites = satellites.count()
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total_transmitters = transmitters.count()
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alive_transmitters = transmitters.filter(alive=True).count()
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alive_transmitters_percentage = '{0}%'.format(round((float(alive_transmitters) /
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float(total_transmitters)) * 100, 2))
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mode_label = []
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mode_data = []
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for mode in modes:
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tr = transmitters.filter(mode=mode).count()
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mode_label.append(mode.name)
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mode_data.append(tr)
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band_label = []
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band_data = []
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# <30.000.000 - HF
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filtered = transmitters.filter(downlink_low__lt=30000000).count()
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band_label.append('HF')
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band_data.append(filtered)
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# 30.000.000 ~ 300.000.000 - VHF
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filtered = transmitters.filter(downlink_low__gte=30000000,
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downlink_low__lt=300000000).count()
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band_label.append('VHF')
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band_data.append(filtered)
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# 300.000.000 ~ 1.000.000.000 - UHF
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filtered = transmitters.filter(downlink_low__gte=300000000,
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downlink_low__lt=1000000000).count()
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band_label.append('UHF')
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band_data.append(filtered)
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# 1G ~ 2G - L
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filtered = transmitters.filter(downlink_low__gte=1000000000,
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downlink_low__lt=2000000000).count()
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band_label.append('L')
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band_data.append(filtered)
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# 2G ~ 4G - S
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filtered = transmitters.filter(downlink_low__gte=2000000000,
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downlink_low__lt=4000000000).count()
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band_label.append('S')
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band_data.append(filtered)
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# 4G ~ 8G - C
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filtered = transmitters.filter(downlink_low__gte=4000000000,
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downlink_low__lt=8000000000).count()
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band_label.append('C')
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band_data.append(filtered)
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# 8G ~ 12G - X
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filtered = transmitters.filter(downlink_low__gte=8000000000,
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downlink_low__lt=12000000000).count()
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band_label.append('X')
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band_data.append(filtered)
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# 12G ~ 18G - Ku
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filtered = transmitters.filter(downlink_low__gte=12000000000,
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downlink_low__lt=18000000000).count()
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band_label.append('Ku')
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band_data.append(filtered)
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# 18G ~ 27G - K
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filtered = transmitters.filter(downlink_low__gte=18000000000,
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downlink_low__lt=27000000000).count()
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band_label.append('K')
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band_data.append(filtered)
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# 27G ~ 40G - Ka
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filtered = transmitters.filter(downlink_low__gte=27000000000,
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downlink_low__lt=40000000000).count()
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band_label.append('Ka')
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band_data.append(filtered)
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mode_data_sorted, mode_label_sorted = zip(*sorted(zip(mode_data, mode_label), reverse=True))
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band_data_sorted, band_label_sorted = zip(*sorted(zip(band_data, band_label), reverse=True))
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statistics = {
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'total_satellites': total_satellites,
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'transmitters': total_transmitters,
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'transmitters_alive': alive_transmitters_percentage,
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'mode_label': mode_label_sorted,
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'mode_data': mode_data_sorted,
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'band_label': band_label_sorted,
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'band_data': band_data_sorted
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}
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return JsonResponse(statistics, safe=False)
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