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views.py
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views.py
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# -*- coding: utf-8 -*-
import csv
import gc
import json
import operator
import os
import re
from collections import Counter
from django.conf import settings as main_settings
from django.contrib.auth.decorators import login_required, permission_required
from django.core.exceptions import ImproperlyConfigured
from django.core.paginator import Paginator
from django.core.serializers.json import DjangoJSONEncoder
from django.db.models import Q, Count
from django.forms.models import model_to_dict
from django.http import HttpResponse, StreamingHttpResponse
from django.template import RequestContext
from django.template.loader import render_to_string
from django.utils import translation, timezone
from django.utils.text import capfirst
from django.utils.translation import ugettext as _
from django.views.decorators.cache import never_cache
from django.views.decorators.csrf import csrf_exempt
from streamingjson import JSONEncoder as JSONStreamer
from .conf import settings
from .forms import (SearchForm, RectSelectorForm, SendImage, ReplyForm,
BulkChangeForm)
from .models import (Family, Genus, HerbItem, Country,
DetHistory, Species, SpeciesSynonym, Additionals,
HerbCounter, Subdivision, HerbAcronym, HerbReply)
from .utils import _smartify_altitude, _smartify_dates, herb_as_dict, translit
from .labeling.hlabel import PDF_DOC, BARCODE, PDF_BRYOPHYTE
try:
from django.core.cache import cache
except (ImportError,ImproperlyConfigured):
cache = None
try:
from urllib2 import urlopen
except ImportError:
from urllib.request import urlopen
allowed_image_pat = re.compile(settings.HERBS_SOURCE_IMAGE_PATTERN)
acronym_pat_ = re.compile(r'([A-Z]{1,10})(\d+)')
digit_pat = re.compile(r'\d+')
class EchoData(object):
def write(self, value):
return value
def _get_rows_for_csv(queryset):
header = []
for field in HerbItem._meta.fields:
header.append(field.name)
header.remove('coordinates')
header.append('latitude')
header.append('longitude')
header.append('family')
yield header
for qs_obj in queryset.iterator():
row = []
for field in header:
cur_property = getattr(qs_obj, field, None)
if cur_property is not None:
if callable(cur_property):
val = cur_property()
else:
val = cur_property
if (field == 'acronym') or (field == 'subdivision'):
val = cur_property.name
if field == 'country':
val = cur_property.name_ru if translation.get_language() == 'ru' else cur_property.name_en
if field == 'devstage':
val = qs_obj.get_devstage_display()
row.append(val)
else:
if (field == 'latitude'):
val = '%s' % qs_obj.coordinates.latitude if qs_obj.coordinates else ''
elif (field == 'longitude'):
val = '%s' % qs_obj.coordinates.longitude if qs_obj.coordinates else ''
elif (field == 'family'):
val = capfirst(qs_obj.species.genus.family.name) if qs_obj.species else ''
else:
val = ''
row.append(val)
yield row
@csrf_exempt
def get_item_data(request):
"""Get herbitem as a json object"""
context = {'error': ''}
objid = request.GET.get('id', '')
if objid:
try:
hobj = HerbItem.objects.get(id=objid)
tojson = model_to_dict(hobj)
context.update({'data': tojson})
except HerbItem.DoesNotExist:
context = {'error': u'Объект не найден'}
return HttpResponse(json.dumps(context),
content_type="application/json; charset=utf-8")
def get_data(request):
"""Evaluate search query and return data"""
errors = []
warnings = []
objects_filtered = HerbItem.objects.none()
if request.method == 'POST':
errors.append(_(u'Допустимы только GET-запросы'))
return (None, 0, 0, objects_filtered , errors, warnings)
dataform = SearchForm(request.GET)
rectform = RectSelectorForm(request.GET)
search_by_synonyms = request.GET.get('synonyms', False)
if search_by_synonyms == 'true':
search_by_synonyms = True
elif search_by_synonyms == 'false':
search_by_synonyms = False
else:
search_by_synonyms = False
search_by_additionals = request.GET.get('additionals', False)
if search_by_additionals == 'true':
search_by_additionals = True
elif search_by_additionals == 'false':
search_by_additionals = False
else:
search_by_additionals = False
if dataform.is_valid():
data = {}
for key in dataform.fields:
if hasattr(dataform.cleaned_data[key], 'strip'):
data.update({key: dataform.cleaned_data[key].strip()})
else:
data.update({key: dataform.cleaned_data[key]})
bigquery = []
# -------- synonyms searching -----------------------
if search_by_synonyms:
species_queryset = Species.objects.filter(genus__name__iexact=data['genus'], name__iexact=data['species_epithet']).exclude(status='D')
# make a warning if species object isn't unique... TODO!
if species_queryset.exists():
syn_aux = map(lambda x: Q(json_content__contains=',' + '%s' % x + ','),
species_queryset.values_list('id', flat=True))
intermediate = filter(bool, sum([item.json_content.split(',') for item in SpeciesSynonym.objects.filter(reduce(operator.or_, syn_aux))], []))
try:
intermediate = map(int, intermediate)
except (ValueError, TypeError):
intermediate = []
if intermediate:
bigquery += [Q(species__pk__in=intermediate)]
else:
warnings.append(_(u'Неверно сформированы таблицы синонимов. Условие поиска по синонимам прогнорировано.'))
search_by_synonyms = False
else:
warnings.append(_(u'Не заданы поля род и/или видовой эпитет, либо такой вид отсутствует в базе. Условие поиска по синонимам проигнорировано.'))
search_by_synonyms = False
if not search_by_synonyms:
bigquery += [Q(species__genus__family__name__iexact=data['family'])] if data['family'] else []
bigquery += [Q(species__genus__name__iexact=data['genus'])] if data['genus'] else []
bigquery += [Q(species__name__icontains=data['species_epithet'])|
Q(species__infra_epithet__icontains=data['species_epithet'])] if data['species_epithet'] else []
# -----------------------------------------------------
# ------ Searching in History of determination --------
dethistory_query = []
if search_by_synonyms:
dethistory_query += [Q(dethistory__species__pk__in=intermediate)]
else:
dethistory_query += [Q(dethistory__species__name__icontains=data['species_epithet'])|
Q(dethistory__species__infra_epithet__icontains=data['species_epithet'])] if data['species_epithet'] else []
dethistory_query += [Q(dethistory__species__genus__name__iexact=data['genus'])] if data['genus'] else []
dethistory_query += [Q(dethistory__species__genus__family__name__iexact=data['family'])] if data['family'] else []
if dethistory_query:
dethistory_query = reduce(operator.and_, dethistory_query)
# ---------- searching by additionals -----------------
additionals_query = []
if search_by_additionals:
if search_by_synonyms:
additionals_query += [Q(additionals__species__pk__in=intermediate)]
else:
additionals_query += [Q(additionals__species__name__icontains=data['species_epithet'])|
Q(additionals__species__infra_epithet__icontains=data['species_epithet'])
] if data['species_epithet'] else []
additionals_query += [Q(additionals__species__genus__name__iexact=data['genus'])] if data['genus'] else []
additionals_query += [Q(additionals__species__genus__family__name__iexact=data['family'])] if data['family'] else []
if additionals_query:
additionals_query = reduce(operator.and_, additionals_query)
# ------ Searching by rectangular selection...
if rectform.is_valid():
latl = rectform.cleaned_data['latl']
latu = rectform.cleaned_data['latu']
lonl = rectform.cleaned_data['lonl']
lonu = rectform.cleaned_data['lonu']
if None in [latl, lonl, latu, lonu] and any([latl, lonl, latu, lonu]):
warnings.append(_(u'Заданы не все границы области поиска. Условия поиска по области будут проигнорированы.'))
elif (not (-90.0 <= latl <= 90) or not (-90.0 <= latu <= 90.0) or
not (-180.0 <= lonl <= 180.0) or not(-180.0 <= lonu <= 180.0)) and all([latl, lonl, latu, lonu]):
warnings.append(_(u'Границы области поиска неправдоподобны для географических координат. Условя поиска по области будут проигнорированы.'))
elif all([latl, lonl, latu, lonu]):
bigquery += [Q(latitude__gte=latl) & Q(latitude__lte=latu) & Q(longitude__gte=lonl) & Q(longitude__lte=lonu)]
# if lonu < lonl:
# bigquery += [(Q(longitude__gte=lonl) & Q(longitude__lte=180.0)) |
# (Q(longitude__gte=-180.0) & Q(longitude__lte=lonu))]
# else:
# bigquery += [Q(longitude__gte=lonl) & Q(longitude__lte=lonu)]
else:
warnings.append(_(u'Область на карте задана нeкорректно. Условия поиска по области будут проигнорированы.'))
if data['itemcode']:
try:
intitemcode = int(data['itemcode'])
bigquery += [Q(itemcode__icontains=data['itemcode'])|
Q(fieldid__icontains=data['itemcode'])|
Q(id=intitemcode)
]
except (ValueError, TypeError):
bigquery += [Q(itemcode__icontains=data['itemcode'])|
Q(fieldid__icontains=data['itemcode'])
]
bigquery += [Q(collectedby__icontains=data['collectedby'])|
Q(collectedby__icontains=translit(data['collectedby'],
'ru',
reversed=True))] if data['collectedby'] else []
bigquery += [Q(identifiedby__icontains=data['identifiedby'])|
Q(identifiedby__icontains=translit(data['identifiedby'],'ru',
reversed=True))] if data['identifiedby'] else []
if data['country']:
bigquery += [Q(country__name_ru__icontains=data['country'])|
Q(country__name_en__icontains=data['country'])]
bigquery += [Q(region__icontains=data['place'])|
Q(detailed__icontains=data['place'])|
Q(district__icontains=data['place'])|
Q(note__icontains=data['place'])] if data['place'] else []
# dates
if data['colend'] and data['colstart']:
colendin = Q(collected_e__gte=data['colstart']) & Q(collected_e__lte=data['colend'])
colstartin = Q(collected_s__gte=data['colstart']) & Q(collected_s__lte=data['colend'])
bigquery += [colstartin | colendin]
elif data['colstart']:
bigquery += [Q(collected_s__gte=data['colstart']) | Q(collected_e__gte=data['colstart'])]
elif data['colend']:
bigquery += [Q(collected_s__lte=data['colend']) | Q(collected_e__lte=data['colend'])]
# acronym filtering
acronym = request.GET.get('acronym', '')
try:
acronym = int(acronym)
bigquery += [Q(acronym__id=acronym)]
except (ValueError, TypeError):
if acronym:
bigquery += [Q(acronym__name__iexact=acronym)]
# subdivision filtering
subdivision = request.GET.get('subdivision', '')
try:
subdivision = int(subdivision)
try:
thesubdiv = Subdivision.objects.get(id=subdivision)
subdivisions = [item.pk for item in thesubdiv.get_all_children()]
except Subdivision.DoesNotExist:
subdivisions = [subdivision]
bigquery += [Q(subdivision__id__in=subdivisions)]
except (ValueError, TypeError):
if subdivision:
bigquery += [Q(subdivision__name__icontains=subdivision)]
if dethistory_query and additionals_query:
extra_query = dethistory_query | additionals_query
else:
extra_query = dethistory_query or additionals_query
if extra_query and bigquery:
objects_filtered = HerbItem.objects.filter(reduce(operator.and_, bigquery)|extra_query).exclude(public=False)
elif bigquery:
objects_filtered = HerbItem.objects.filter(reduce(operator.and_, bigquery)).exclude(public=False)
else:
objects_filtered = HerbItem.objects.filter(public=True)
images_only = request.GET.get('imonly', False)
if images_only == 'true':
images_only = True
elif images_only == 'false':
images_only = False
else:
images_only = False
if images_only:
objects_filtered = objects_filtered.exclude(has_images__isnull=True)
if not objects_filtered.exists():
msg = _(u"Ни одного элемента не удовлетворяет условиям поискового запроса")
warnings.append(msg)
return (None, 1, 0, objects_filtered, errors, warnings)
else:
# --------- Applying ordering to results retrieved ----------------
ordering_direction = request.GET.get('order', False)
if ordering_direction == 'true':
ordering_direction = True
elif ordering_direction == 'false':
ordering_direction = False
else:
ordering_direction = True
ordering_field = request.GET.get('orderby', 'id')
if ordering_field not in [x[0] for x in settings.HERBS_SEARCHFORM_ORDERING_FIELDS]:
ordering_field = 'id'
ord_string = '' if ordering_direction else '-'
objects_filtered = objects_filtered.order_by(ord_string + ordering_field)
# --------- pagination-----------------
pagcount = request.GET.get('pagcount', '')
page = request.GET.get('page', '1')
pagcount = int(pagcount) if pagcount.isdigit() else settings.HERBS_PAGINATION_COUNT
page = int(page) if page.isdigit() else 1
if pagcount <= 0 or pagcount > 1000:
pagcount = settings.HERBS_PAGINATION_COUNT
warnings.append(_(u'Задано недопустимое количество объектов для оторажения на одной странице: ') + str(pagcount))
paginator = Paginator(objects_filtered, pagcount)
try:
paginated_data = paginator.page(page)
except:
paginated_data = paginator.page(1)
return (paginated_data, page, paginator.num_pages, objects_filtered,
errors, warnings)
else:
errors.append(_(u'Некорректно сформированный поисковый запрос.'))
return (None, 0, 0, objects_filtered, errors, warnings)
def json_generator(queryset):
for obj in queryset.iterator():
if cache:
cache.set(settings.HERBS_JSON_API_CONN_KEY_FLAG, 1,
settings.HERBS_JSON_API_CONN_TIMEOUT)
yield herb_as_dict(obj)
if cache:
if cache.get(settings.HERBS_JSON_API_CONN_KEY_NAME) is not None:
cache.decr(settings.HERBS_JSON_API_CONN_KEY_NAME)
cache.delete(settings.HERBS_JSON_API_CONN_KEY_FLAG)
@never_cache
def json_api(request):
'''Herbarium json-api view '''
gc.collect()
context = {
'errors': [],
'warnings': [],
'data': [],
}
allowed_parameters = {
'family', 'genus', 'id', 'species_epithet',
'itemcode', 'identifiedby', 'place', 'collectedby',
'country', 'colstart', 'colend', 'acronym',
'subdivision', 'synonyms', 'additionals', 'latl',
'latu', 'lonl', 'lonu', 'additionals', 'fieldid',
'authorship', 'imonly'
}
if request.method == 'POST':
context['errors'].append('Only GET-requests is allowed')
current_parameters = set(request.GET.keys())
diff = current_parameters - allowed_parameters
if len(diff) > 0:
extra_key_warning = 'Following GET-parameters were ignored: ' +\
', '.join(map(lambda x: x.encode('utf-8'), diff))
context['warnings'].append(extra_key_warning)
if len(current_parameters.intersection(allowed_parameters)) == 0:
context['errors'].append("Making empty searching requests aren't permitted")
return HttpResponse(json.dumps(context, cls=DjangoJSONEncoder),
content_type="application/json;charset=utf-8")
hid = request.GET.get('id', None)
if hid:
try:
hid = int(hid)
except (ValueError, TypeError):
context['errors'].append("Illegal format of ID")
return HttpResponse(json.dumps(context, cls=DjangoJSONEncoder))
objects_filtered = HerbItem.objects.filter(id=hid)
context['warnings'].append("All searching fields will be ignored when do searching by ID")
if objects_filtered.exists():
if objects_filtered[0].public:
context.update({'data':[herb_as_dict(objects_filtered[0])]})
else:
context.update({'data': []})
context['errors'].append("The record with this ID isn't published")
else:
context['errors'].append("The record with the requested ID wasn't found")
return HttpResponse(json.dumps(context, cls=DjangoJSONEncoder),
content_type="application/json;charset=utf-8")
# -------- Long-running http-response: check the number of connections
if cache:
conn = cache.get(settings.HERBS_JSON_API_CONN_KEY_NAME)
flag = cache.get(settings.HERBS_JSON_API_CONN_KEY_FLAG)
if conn is None or flag is None:
cache.set(settings.HERBS_JSON_API_CONN_KEY_NAME, 1)
elif conn >= settings.HERBS_JSON_API_SIMULTANEOUS_CONN:
context['errors'].append('Server is busy. Try again later.')
return HttpResponse(json.dumps(context, cls=DjangoJSONEncoder),
content_type="application/json;charset=utf-8")
else:
cache.incr(settings.HERBS_JSON_API_CONN_KEY_NAME)
current_lang = translation.get_language()
translation.activate('en')
no, no, no, objects_filtered, errors, warnings = get_data(request)
translation.activate(current_lang)
authorship = request.GET.get('authorship', '')[:settings.HERBS_ALLOWED_AUTHORSHIP_SYMB_IN_GET]
fieldid = request.GET.get('fieldid', '')[:settings.HERBS_ALLOWED_FIELDID_SYMB_IN_GET]
itemcode = request.GET.get('itemcode', '')[:settings.HERBS_ALLOWED_ITEMCODE_SYMB_IN_GET]
if authorship:
objects_filtered = objects_filtered.filter(authorship__icontains=authorship)
if fieldid:
objects_filtered = objects_filtered.filter(fieldid__icontains=fieldid)
if itemcode:
objects_filtered = objects_filtered.filter(itemcode__icontains=itemcode)
json_streamer = JSONStreamer(ensure_ascii=False)
context['errors'].extend(errors)
context['warnings'].extend(warnings)
context.update({'data': json_generator(objects_filtered)})
json_response = StreamingHttpResponse(json_streamer.iterencode(context),
content_type="application/json;charset=utf-8")
return json_response
@csrf_exempt
def show_herbs(request):
'''
Show all specimen records
'''
if not request.is_ajax():
return HttpResponse(_(u'Допустимы только XMLHttp-запросы'))
paginated_data, page, num_pages, objects_filtered, errors, warnings = get_data(request)
if request.GET.get('getcsv', None) and request.user.is_authenticated():
writer = csv.writer(EchoData(), delimiter=';')
csv_response = StreamingHttpResponse((writer.writerow([unicode(s).encode("utf-8") for s in row]) for row in _get_rows_for_csv(objects_filtered)), content_type="text/csv")
csv_response['Content-Disposition'] = 'attachment; filename=herb_data_%s.csv' % timezone.now().strftime('%Y-%B-%d-%M-%s')
return csv_response
lang = translation.get_language()
if paginated_data:
data_tojson = []
for item in paginated_data.object_list:
hc = item.herbcounter.all()
data_tojson.append(
{
'species': item.get_full_name(),
'itemcode': item.itemcode,
'id': item.pk,
'herbhits': hc[0].count if hc.exists() else 0,
'fieldid': item.fieldid,
'lat': '{0:.5f}'.format(item.coordinates.latitude) if item.coordinates else '0.0',
'lon': '{0:.5f}'.format(item.coordinates.longitude) if item.coordinates else '0.0',
'collectedby': item.collectedby if lang == 'ru' else translit(item.collectedby, 'ru', reversed=True),
'collected_s': item.collected_s,
'identifiedby': item.identifiedby if lang == 'ru' else translit(item.identifiedby, 'ru', reversed=True),
'created': str(item.created),
'updated': str(item.updated),
'has_images': True if item.has_images else False,
'acronym': item.acronym.name if item.acronym else 'NO_ACRONYM'
})
# ------------------------------------------------------------------
context = {'herbitems' : data_tojson,
'has_previous': paginated_data.has_previous(),
'has_next': paginated_data.has_next(),
'pagenumber': page,
'pagecount': num_pages,
'total': objects_filtered.count(),
'errors': errors,
'warnings': warnings
}
return HttpResponse(json.dumps(context, cls=DjangoJSONEncoder), content_type="application/json;charset=utf-8")
else:
context = {'herbitems': [],
'total': 0,
'has_previous': False,
'has_next': False,
'pagenumber': page,
'pagecount': num_pages,
'errors': errors,
'warnings': warnings}
return HttpResponse(json.dumps(context, cls=DjangoJSONEncoder), content_type="application/json;charset=utf-8")
@never_cache
@csrf_exempt
def show_herbitem(request, inum):
context = {'error': '', 'success': False}
clang = request.POST.get('lang', 'ru')
if clang not in ['ru', 'en']:
translation.activate('ru')
else:
translation.activate(clang)
try:
hobj = HerbItem.objects.get(id=inum)
# ---------- get image urls
if hobj.has_images:
ts = getattr(main_settings, 'HERBS_SOURCE_IMAGE_THUMB', '')
urls = []
splitted = hobj.has_images.split(',')
baseurl = '/'.join(s.strip('/') for s in
[getattr(main_settings, 'HERBS_SOURCE_IMAGE_URL_RELATIVE', ''),
hobj.acronym.name])
for im in splitted:
getpars = '&'.join(["baseurl=%s" % baseurl,
"resolution=ss",
"image=%s" % os.path.basename(im)
])
urls.append(getattr(main_settings, 'HERBS_SOURCE_IMAGE_VIEWER', '') + '?' + getpars)
image_urls = [(x, y) for x, y in zip(splitted, urls) if ('/' + ts +'/') in x]
else:
image_urls = []
#--------------------------
if hobj.public:
if hobj.herbcounter.exists():
hc = hobj.herbcounter.all()[0]
hc.count += 1
hc.save()
else:
HerbCounter.objects.create(herbitem=hobj, count=1)
context.update({'curobj': hobj, 'image_urls': image_urls})
form = ReplyForm(request.POST)
if form.is_valid():
if form.cleaned_data['description'].strip():
HerbReply.objects.get_or_create(herbitem=hobj,
description=
form.cleaned_data['description'],
email=form.cleaned_data['email']
)
context.update({'success': True, 'empty': False})
else:
context.update({'empty': True})
else:
if request.POST.get('description', '').strip() or request.POST.get('email', '').strip():
context.update({'empty': False})
else:
context.update({'empty': True})
if hobj.public:
if HerbReply.objects.filter(herbitem=hobj).exclude(status='F').exists():
context.update({'pending_errors': True})
context.update({'form': form})
except HerbItem.DoesNotExist:
context.update({'error': _(u'Гербарного образца с id=%s не было найдено') % inum})
result = render_to_string('herbitem_details.html', context, context_instance=RequestContext(request))
return HttpResponse(result)
@never_cache
def advice_select(request):
if not request.is_ajax():
return HttpResponse(_(u'Допустимы только XMLHttp запросы'))
if request.method == 'POST':
return HttpResponse(_(u'Допустимы только GET-методы'))
dataform = SearchForm(request.GET)
context = {'error': ''}
if dataform.is_valid():
cfield = request.GET.get('model', 'species')
if cfield not in dataform.fields:
cfield = 'species'
query = request.GET.get('q', '')
RU = translation.get_language() == 'ru'
if cfield == 'family':
famquery = Family.objects.annotate(herbitem_count=Count('genus__species__herbitem'))
if query:
objects = famquery.filter(name__istartswith=query, herbitem_count__gt=0).order_by('name')
else:
objects = famquery.filter(herbitem_count__gt=0).order_by('name')
data = [{'id': item.pk, 'text': item.name} for item in objects]
elif cfield == 'genus':
genquery = Genus.objects.annotate(herbitem_count=Count('species__herbitem'))
if dataform.cleaned_data['family']:
if query:
objects = genquery.filter(family__name__iexact=dataform.cleaned_data['family'],
name__istartswith=query,
herbitem_count__gt=0)
else:
objects = genquery.filter(family__name__iexact=dataform.cleaned_data['family'],
herbitem_count__gt=0)
else:
if query:
objects = genquery.filter(name__istartswith=query, herbitem_count__gt=0)
else:
objects = genquery.filter(herbitem_count__gt=0)
data = [{'id': item.pk, 'text': item.name} for item in objects.order_by('name')]
elif cfield == 'country':
objects = Country.objects.filter(Q(name_ru__icontains=query)|
Q(name_en__icontains=query))
data = [{'id': item.pk, 'text': item.name_ru if RU else item.name_en}
for item in objects[:settings.HERBS_AUTOSUGGEST_NUM_TO_SHOW]]
else:
context.update({'error': _(u'Странный запрос')})
data = []
if data:
for item in data: item['text'] = capfirst(item['text'])
context.update({'items': data})
return HttpResponse(json.dumps(context), content_type="application/json;charset=utf-8")
def collect_label_data(q):
result = []
q = map(lambda x: int(x), q)
objects = HerbItem.objects.filter(id__in=q).order_by('pk')
if not objects.exists():
return result
cn = Counter(q)
objs = [[obj] * cn[obj.pk] for obj in objects]
objs = sum(objs, [])
lang = translation.get_language()
translation.activate('en')
for item in objs:
history = DetHistory.objects.filter(herbitem=item)
if not item.identifiedby:
try:
dhist = history.latest('identified_s')
identifiedby = dhist.identifiedby
except DetHistory.DoesNotExist:
identifiedby = ['']
else:
identifiedby = [item.identifiedby]
_dethistory = []
if history.exists():
for hist_obj in history:
if hist_obj.species:
_sp_hist = _smartify_species(hist_obj)
_dethistory.append({
'identifiedby': hist_obj.identifiedby,
'identified': _smartify_dates(hist_obj, prefix='identified'),
'species': _sp_hist,
'note': hist_obj.note or ''
})
addspecies = []
addsps_obj = Additionals.objects.filter(herbitem=item)
if addsps_obj.exists():
for addsp in addsps_obj:
addspecies.append([addsp.get_basic_name(),
addsp.species.authorship,
addsp.species.get_infra_rank_display(),
addsp.species.infra_epithet,
addsp.species.infra_authorship,
addsp.note,
_smartify_dates(addsp, prefix='identified')
])
identifiedby.append(addsp.identifiedby)
ddict = _smartify_species(item)
ddict.update({'coldate': _smartify_dates(item)})
ddict.update({'detdate': _smartify_dates(item, prefix='identified')})
current_family = ''
if item.species:
if item.species.genus.family:
current_family = item.species.genus.family.name.upper()
ddict.update({'family': current_family,
'country': item.country.name_en if item.country else '',
'region': item.region,
'altitude': _smartify_altitude(item.altitude),
'latitude': '{0:.5f}'.format(item.coordinates.latitude) if item.coordinates else '',
'longitude': '{0:.5f}'.format(item.coordinates.longitude) if item.coordinates else '',
'place': item.detailed,
'collected': item.collectedby,
'identifiedby': identifiedby,
'itemid': '%s' % item.pk,
'number': '%s' % item.itemcode or '*',
'acronym': item.acronym.name if item.acronym else '',
'address': item.acronym.address if item.acronym else '',
'institute': item.acronym.institute if item.acronym else '',
'gform': item.devstage or '',
'fieldid': item.fieldid or '',
'addspecies': addspecies,
'district': item.district or '',
'note': item.note or '',
'short_note': item.short_note or '',
'gpsbased': item.gpsbased,
'dethistory': _dethistory,
'duplicates': item.duplicates or '',
'type_status': item.get_type_status_display(),
'logo_path': os.path.join(getattr(main_settings,
'MEDIA_ROOT', ''), str(item.acronym.logo)) if item.acronym else ''
})
result.append(ddict)
translation.activate(lang)
return result
@login_required
@never_cache
def make_label(request, q):
'''Return pdf-doc or error page otherwise'''
if len(q) > 1000:
return HttpResponse(_(u'Ваш запрос слишком длинный, выберите меньшее количество элементов'))
q = q.split(',')
q = filter(lambda x: len(x) <= 15, q)
if len(q) > 100:
return HttpResponse(_(u'Вы не можете создать более 100 этикеток одновременно'))
label_data = collect_label_data(q)
if not label_data:
return HttpResponse(_(u'Не выбрано ни одного образца для создания этикеток'))
# Generate pdf-output
pdf_template = PDF_DOC()
pdf_template.tile_labels(label_data)
response = HttpResponse(content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename="%s.pdf"' % timezone.now().strftime('%Y-%B-%d-%M-%s')
response.write(pdf_template.get_pdf())
del pdf_template
gc.collect()
return response
@login_required
@never_cache
def make_bryophyte_label(request, q):
'''Return pdf-doc or error page otherwise'''
if len(q) > 1000:
return HttpResponse(_(u'Ваш запрос слишком длинный, выберите меньшее количество элементов'))
q = q.split(',')
q = filter(lambda x: len(x) <= 15, q)
if len(q) > 100:
return HttpResponse(_(u'Вы не можете создать более 100 этикеток одновременно'))
label_data = collect_label_data(q)
if not label_data:
return HttpResponse(_(u'Не выбрано ни одного образца для создания этикеток'))
preprocessed_labels = []
for label in label_data:
label.pop('logo_path', None)
label.pop('gform', None)
label.pop('address', None)
label.pop('number', None)
label.pop('family', None)
allspecies = [[label['species'],
label['spauth'],
label['infra_rank'],
label['infra_epithet'],
label['infra_authorship'],
label['short_note'] or '',
'']] + label['addspecies']
label.pop('short_note', None)
label.pop('addspecies', None)
label.pop('spauth', None)
label.pop('infra_rank', None)
label.pop('infra_epithet', None)
label.pop('infra_authorship', None)
label.pop('species', None)
label.update({'allspecies': allspecies})
preprocessed_labels.append(label)
# Generate pdf-outputmake_bryophyte_label
pdf_template = PDF_BRYOPHYTE()
pdf_template.generate_labels(preprocessed_labels)
response = HttpResponse(content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename="%s.pdf"' % timezone.now().strftime('%Y-%B-%d-%M-%s')
response.write(pdf_template.get_pdf())
del pdf_template
gc.collect()
return response
@login_required
@never_cache
def make_barcodes(request, q):
'''Return pdf-file of barcodes'''
if len(q) > 2000:
return HttpResponse(_(u'Ваш запрос слишком длинный, выберите меньшее количество элементов'))
q = q.split(',')
q = filter(lambda x: len(x) <= 15, q)
if len(q) > 100:
return HttpResponse(_(u'Вы не можете создать более 100 этикеток одновременно'))
q = map(lambda x: int(x), q)
cn = Counter(q)
objects = HerbItem.objects.filter(id__in=q)
objs = [[obj] * cn[obj.pk] for obj in objects]
objs = sum(objs, [])
if not objects.exists():
return HttpResponse(_(u'Пустой или неправильно сформированный запрос'))
array = []
for item in objs:
array.append({'acronym': item.acronym.name if item.acronym else '',
'id': item.pk,
'institute': item.acronym.institute if item.acronym else ''
})
# NOw, we are ready to produce pdf-output
pdf_template = BARCODE()
pdf_template.spread_codes(array)
response = HttpResponse(content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename="BCS%s.pdf"' % timezone.now().strftime('%Y-%B-%d-%M-%s')
response.write(pdf_template.get_pdf())
del pdf_template
gc.collect()
return response
def handle_image(request, afile):
fname = os.path.basename(afile.name)
herbimage = settings.HERBS_IMAGE_SESSION_NAME
with open(os.path.join(settings.HERBS_IMAGE_SOURCE_TMP, fname + '.part'),
'wb+') as destination:
ind = 0
for chunk in afile.chunks():
destination.write(chunk)
request.session[herbimage] = afile.DEFAULT_CHUNK_SIZE * ind
request.session[herbimage] = 'completed_or_new'
try:
os.rename(os.path.join(settings.HERBS_IMAGE_SOURCE_TMP, fname + '.part'),
os.path.join(settings.HERBS_IMAGE_SOURCE_TMP, fname))
except (OSError, IOError):
pass
def get_pending_images(acronym=''):
if cache:
cval = cache.get(settings.HERBS_SOURCE_IMAGE_LIST_KEY, '')
if cval:
imgs = json.loads(cval)
else:
imgs = [j for j in sum(
[c for a, b, c in os.walk(settings.HERBS_IMAGE_SOURCE_TMP)],
[]) if j.startswith(acronym)]
cache.get(settings.HERBS_SOURCE_IMAGE_LIST_KEY, json.dumps(imgs),
settings.HERBS_SOURCE_IMAGE_LIST_KEY_TIMEOUT)
else:
imgs = [j for j in sum(
[c for a, b, c in os.walk(settings.HERBS_IMAGE_SOURCE_TMP)],
[]) if j.startswith(acronym)]
return imgs
def is_exists(acronym, id):
file_set1 = ','.join(get_pending_images(acronym))
if settings.HERBS_SOURCE_IMAGE_FILE: #local file
try:
with open(settings.HERBS_SOURCE_IMAGE_FILE, 'r') as afile:
file_set2 = ','.join(afile.readlines())
except (FileNotFoundError, IOError):
file_set2 = ''
if not file_set2:
if settings.HERBS_SOURCE_IMAGE_FILE_LIST: # remote file
try:
afile = urlopen(settings.HERBS_SOURCE_IMAGE_FILE_LIST,
timeout=settings.HERBS_SOURCE_IMAGE_FILE_LIST_TIMEOUT)
file_set2 = ','.join(afile.readlines())
except:
file_set2 = ''
fileset = ','.join([file_set1, file_set2])
return (acronym + id) in fileset
@login_required
@csrf_exempt
def validate_image(request, filename=None):
error = ''
if not filename:
filename = request.POST.get('filename', '')
if filename:
overwrite = request.POST.get('overwrite', '')
overwrite = True if overwrite == 'on' else False
if not allowed_image_pat.match(os.path.basename(filename)):
error = _(u'Неправильное имя или формат файла')
else:
facronym, obj_id = acronym_pat_.findall(filename)[-1]
if not overwrite and not error:
exists = is_exists(facronym, obj_id)
else:
exists = False
if exists and not error:
error = _(u'Файл уже существует. '
u'Чтобы перезаписать существующий файл '
u'отметьте галочку <перезаписать>.')
if not request.user.is_superuser and not error:
if not HerbAcronym.objects.filter(name__iexact=facronym,
allowed_users__icontains=request.user.username).exists():
error = _(u'Ваша учетная запись принадлежит другому акрониму.'
u'Загрузка данного файла невозможна.')
if request.is_ajax():
return HttpResponse(json.dumps({'error': error}),
content_type="application/json;charset=utf-8")
return error
@permission_required('herbs.can_set_publish')
@never_cache
@csrf_exempt
def bulk_changes(request):
form = BulkChangeForm(request.GET)
context = {'errors': [], 'message': '', 'form': form, 'verified': False}
acronyms = request.GET.getlist('acronym', [])
acc = list()
for ac in acronyms:
try:
acc.append(int(ac))
except ValueError:
pass
acronyms = acc
subdivisions = request.GET.getlist('subdivision', [])
subs = list()
for s in subdivisions:
try:
subs.append(int(s))
except ValueError:
pass
subdivisions = subs
changed = None
if request.user.is_superuser:
allowed_acronyms = HerbAcronym.objects.all()
allowed_subdivisions = Subdivision.objects.all()
elif request.user.has_perm('herbs.can_apply_bulk_changes'):
allowed_acronyms = HerbAcronym.objects.filter(
allowed_users__icontains=request.user.username)
allowed_subdivisions = Subdivision.objects.filter(
allowed_users__icontains=request.user.username)
# FIXME: children subdivisions!!!
else:
allowed_acronyms = []
allowed_subdivisions = []
context['acronyms'] = allowed_acronyms
context['subdivisions'] = allowed_subdivisions
if form.is_valid():
search_operation = 'exact'
if form.cleaned_data['as_subs']:
search_operation = 'contains'
search_operation = ('i' if form.cleaned_data['case_insens'] else '') + search_operation
if form.is_valid() and not(acronyms or subdivisions):
if allowed_acronyms or allowed_subdivisions:
# Estimate the number of affected elements;
query = HerbItem.objects.filter(Q(acronym__in=allowed_acronyms)|Q(subdivision__in=allowed_subdivisions))
try:
query = query.filter(**{
'%s__%s' % (form.cleaned_data['field'],
search_operation):
form.cleaned_data['old_value']
})
except:
context['errors'].append(_(u'Неправильное имя изменяемого поля.'
u'Такого поля нет в таблице гербарных записей,'
u'или такое значение поля отсутствует в базе.')
)
if not query.exists():
context['errors'].append(_(u'Ни одина запись базы '