def cities_in_state(request, state, format='html'):
state = unpack_url_path(state)
if state is None:
raise Http404
page_title = 'Cities in %s' % state
places = models.Place.objects.filter(state__iexact=state,
city__isnull=False).all()
cities = sorted(set(p.city for p in places))
if len(cities) == 0:
raise Http404
if format == 'json':
return HttpResponse(json.dumps(cities),
content_type='application/json')
return render_to_response('reports/cities.html', dictionary=locals(),
context_instance=RequestContext(request))
def titles_in_state(request, state, page_number=1, order='name_normal'):
state = unpack_url_path(state)
page_title = "Titles in State: %s" % state
titles = models.Title.objects.all()
if state:
titles = titles.filter(places__state__iexact=state)
titles = titles.order_by(order)
titles = titles.distinct()
if titles.count() == 0:
raise Http404
paginator = Paginator(titles, 50)
try:
page = paginator.page(page_number)
except InvalidPage:
page = paginator.page(1)
page_range_short = list(_page_range_short(paginator, page))
return render_to_response('reports/state.html', dictionary=locals(),
context_instance=RequestContext(request))
def newspapers(request, state=None, format='html'):
if state and state != "all_states":
state = unpack_url_path(state)
if state is None:
raise Http404
else:
state = state.title()
else:
state = request.REQUEST.get('state', None)
language = request.REQUEST.get('language', None)
if language:
language_display = models.Language.objects.get(code__contains=language).name
ethnicity = request.REQUEST.get('ethnicity', None)
if not state and not language and not ethnicity:
page_title = 'All Digitized Newspapers'
else:
page_title = 'Results: Digitized Newspapers'
titles = models.Title.objects.filter(has_issues=True)
titles = titles.annotate(first=Min('issues__date_issued'))
titles = titles.annotate(last=Max('issues__date_issued'))
if state:
titles = titles.filter(places__state__iexact=state)
if language:
titles = titles.filter(languages__code__contains=language)
if ethnicity:
try:
e = models.Ethnicity.objects.get(name=ethnicity)
ethnicity_filter = Q(subjects__heading__icontains=ethnicity)
for s in e.synonyms.all():
ethnicity_filter |= Q(subjects__heading__icontains=s.synonym)
titles = titles.filter(ethnicity_filter)
except models.Ethnicity.DoesNotExist:
pass
_newspapers_by_state = {}
for title in titles:
if state:
_newspapers_by_state.setdefault(state, set()).add(title)
else:
for place in title.places.all():
if place.state:
_newspapers_by_state.setdefault(place.state, set()).add(title)
newspapers_by_state = [(s, sorted(t, key=lambda title: title.name_normal)) for s, t in sorted(_newspapers_by_state.iteritems())]
crumbs = list(settings.BASE_CRUMBS)
if format == "html":
return render_to_response("newspapers.html",
dictionary=locals(),
context_instance=RequestContext(request))
elif format == "txt":
host = request.get_host()
return render_to_response("newspapers.txt",
dictionary=locals(),
context_instance=RequestContext(request),
content_type="text/plain")
elif format == "csv":
csv_header_labels = ('Persistent Link', 'State', 'Title', 'LCCN', 'OCLC',
'ISSN', 'No. of Issues', 'First Issue Date',
'Last Issue Date', 'More Info')
response = HttpResponse(content_type='text/csv')
response['Content-Disposition'] = 'attachment; filename="openoni_newspapers.csv"'
writer = csv.writer(response)
writer.writerow(csv_header_labels)
for state, titles in newspapers_by_state:
for title in titles:
writer.writerow(('http://%s%s' % (request.get_host(),
reverse('openoni_issues_title',
kwargs={'lccn': title.lccn}),),
state, title, title.lccn or '', title.oclc or '',
title.issn or '', title.issues.count(), title.first,
title.last,
'http://%s%s' % (request.get_host(),
reverse('openoni_title_essays',
kwargs={'lccn': title.lccn}),),))
return response
elif format == "json":
host = request.get_host()
results = {"newspapers": []}
for state, titles in newspapers_by_state:
for title in titles:
results["newspapers"].append({
"lccn": title.lccn,
"title": title.display_name,
"url": "http://" + host + title.json_url,
"state": state
})
return HttpResponse(json.dumps(results, indent=2), content_type='application/json')
else:
return HttpResponseServerError("unsupported format: %s" % format)
