def handle(self, *args, **options):
# If we're running in a migrations we need to use the correct apps
self.apps = options.get('apps', apps)
sources = options.get('sources')
sources_dir = os.path.join(share.__path__[0], SOURCES_DIR)
if sources:
source_dirs = [os.path.join(sources_dir, s) for s in sources]
else:
source_dirs = [
os.path.join(sources_dir, s) for s in os.listdir(sources_dir)
]
if self.apps.get_model('share.ShareUser').__module__ == '__fake__':
receiver(
post_save,
sender=self.apps.get_model('share.ShareUser'),
dispatch_uid='__fake__.share.models.share_user_post_save_handler'
)(user_post_save)
with transaction.atomic():
self.known_harvesters = self.sync_drivers(
'share.harvesters', self.apps.get_model('share.Harvester'))
self.known_transformers = self.sync_drivers(
'share.transformers', self.apps.get_model('share.Transformer'))
self.update_sources(source_dirs,
overwrite=options.get('overwrite'))
def register(cls):
cls._handle_status_change = partial(cls.handle,
signal=cls.orm_model.STATUS_CHANGE)
receiver(cls.orm_model.STATUS_CHANGE,
sender=cls.orm_model)(cls._handle_status_change)
cls.logger.debug("Registered status_change handlers for %s",
cls.orm_model)
def ready(self):
# Signals
from volunteer.apps.profiles.receivers import (
create_volunteer_profile,
)
dispatch.receiver(post_save, sender=settings.AUTH_USER_MODEL)(
create_volunteer_profile,
)
def initialise(self, obj, *args, **kwargs):
class_name = obj.get_class(cls)
obj.methods[class_name] = (
decorated,
prefetch,
)
obj.signals[class_name] = signals
receiver(signals, sender=class_name)(obj.propogate_signal)
self.obj = obj
def register(cls):
cls._handle_post_save = partial(cls.handle, signal=post_save)
receiver(post_save, sender=cls.orm_model)(cls._handle_post_save)
cls._handle_post_delete = partial(cls.handle, signal=post_delete)
receiver(post_delete, sender=cls.orm_model)(cls._handle_post_delete)
cls.logger.debug("Registered post_save + post_delete handlers for %s",
cls.orm_model)
def as_routes(cls, **kwargs):
if 'queryset' in kwargs:
model = kwargs['queryset'].model
else:
model = kwargs.get('model') or cls.model or cls.queryset.model
dispatch_uid = _md5(str(cls) + str(kwargs))
kwargs['_uid'] = dispatch_uid
receiver(post_save, sender=model, weak=False, dispatch_uid=dispatch_uid)(partial(cls._post_save, **kwargs))
receiver(post_delete, sender=model, weak=False, dispatch_uid=dispatch_uid)(partial(cls._post_delete, **kwargs))
return super(ObjectSubscribeConsumers, cls).as_routes(**kwargs)
def test_anonymize(user):
handler = Mock()
receiver(anonymize, sender=user.__class__)(handler)
handler.assert_not_called()
user.anonymize()
handler.assert_called_once_with(
signal=anonymize,
sender=user.__class__,
instance=user,
)
def load_location_receivers(sender):
"""
enables signal listening when called
designed to be called in AppConfig subclasses
"""
# using decorator pattern with old syntax
# in order to decorate an existing function
receiver(post_save,
sender=sender,
dispatch_uid='ws_update_mobile_location')(update_mobile_location)
def bind_model_cached_manager_signal(model_package):
"""
自动为model注册缓存清除钩子
:param model_package: model包
:return:
"""
for __model in model_package.__all__:
m = getattr(model_package, __model)
if isinstance(getattr(m, 'objects'), HoHoCacheFactory):
receiver(post_save, sender=m)(delete_model_single_object_cache)
receiver(post_delete, sender=m)(delete_model_single_object_cache)
def ready(self):
# Signals
from mozy.apps.mosaic.receivers import (
create_source_tiles,
create_stock_tiles,
)
dispatch.receiver(post_save, sender='mosaic.NormalizedSourceImage')(
create_source_tiles,
)
dispatch.receiver(post_save, sender='mosaic.NormalizedStockImage')(
create_stock_tiles,
)
def ready(self):
from nsc.review.models import Review, ReviewRecommendation
receiver(post_save, sender=Review)(clear_cache)
receiver(post_delete, sender=Review)(clear_cache)
receiver(post_save, sender=ReviewRecommendation)(clear_cache)
receiver(post_delete, sender=ReviewRecommendation)(clear_cache)
def __new__(mcs, name, bases, attrs, **kwargs):
if "__slots__" not in attrs:
attrs['__slots__'] = ()
if "__unicode__" in attrs and '__str__' not in attrs:
attrs['__str__'] = _get_unicode
extra_metadata: dict = {**default_extra_metadata}
meta = None
if "Meta" in attrs:
meta = attrs['Meta']
extra_metadata['proxy'] = getattr(meta, 'proxy', False)
if not getattr(meta, 'abstract', False):
for extra_name in filter(
lambda y: hasattr(meta, y),
map(lambda x: f'_{x}', extra_metadata.keys())):
extra_metadata[extra_name[1:]] = getattr(meta, extra_name)
attrs['__extra_metadata__'] = deepcopy(extra_metadata)
model_class = super(ModelBaseClass,
mcs).__new__(mcs, name, bases, attrs, **kwargs)
model_class.OriginalMeta = meta if meta is not None else model_class.Meta
if hasattr(model_class, '__prepare_model__'):
model_class.__prepare_model__()
if getattr(model_class, '_cache_responses', False):
receiver(post_save, sender=model_class)(update_cache_for_model)
receiver(post_delete, sender=model_class)(update_cache_for_model)
cache_related_labels = getattr(model_class,
'_cache_related_labels', ())
update_cache_for_model_related = partial(
update_cache_for_model, cached_model_class=model_class)
for label in cache_related_labels:
receiver(post_save,
sender=label)(update_cache_for_model_related)
receiver(post_delete,
sender=label)(update_cache_for_model_related)
return model_class
def class_prepared_signal_handler(sender, **kwargs):
if sender.__name__ == "ActionItem":
register = receiver(
models.signals.post_save,
sender=sender,
dispatch_uid="publicweb.models.actionitem_signal_handler")
register(actionitem_signal_handler)
def test_game_announcement_signal(self):
game_played_receiver = receiver(game_played)(mock.Mock())
game = Game.objects.announce(self.users[0], self.users[1],
self.default_competition)
game_played_receiver.assert_called_once_with(sender=game,
signal=mock.ANY)
# Check that the 'game played' signal is fired only when the game
# object is created, not modified
game_played_receiver = receiver(game_played)(mock.Mock())
game.date = timezone.now()
game.save()
self.assertEqual(game_played_receiver.call_count, 0)
def test_save_new_competition_sends_created_signal(self):
competition_created_receiver = receiver(competition_created)(
mock.Mock())
competition = CompetitionFactory()
competition_created_receiver.assert_called_once_with(
sender=competition, signal=mock.ANY)
def register(self, model, field, build_filter=None):
def add_to_queue(sender, instance, field, **kwargs):
payload = dict(
model=str(model._meta),
pk=instance.pk,
field=field,
bucket=getattr(settings, 'MUTO_AWS_STORAGE_BUCKET_NAME', getattr(settings, 'AWS_STORAGE_BUCKET_NAME')),
key=str(getattr(instance, field)),
versions=[],
callback_url=getattr(settings, 'MUTO_CALLBACK_URL', None),
)
if callable(build_filter):
filter = build_filter(instance)
image_version_definitions = ImageVersionDefinition.objects.filter(filter)
else:
image_version_definitions = ImageVersionDefinition.objects.all()
for ivd in image_version_definitions:
payload['versions'].append(dict(
identifier=ivd.identifier,
options=ivd.options,
))
self.redis.lpush('muto:queue', json.dumps(payload))
self.redis.publish('muto:queue', 'PUSH')
func = curry(add_to_queue, field=field)
rcvr = receiver(post_save, sender=model)(func)
self.registry.append(dict(
receiver=rcvr,
model=model,
field=field,
))
def on(event, *args, **kwargs):
deprecation_reason = getattr(event, "_deprecation_reason", None)
if deprecation_reason: # pragma: no cover
warn(deprecation_reason, DeprecationWarning)
return receiver(event, *args, **kwargs)
def class_prepared_signal_handler(sender, **kwargs):
if sender.__name__ == "ActionItem":
register = receiver(
models.signals.post_save,
sender=sender,
dispatch_uid="publicweb.models.actionitem_signal_handler")
register(actionitem_signal_handler)
def event_receiver_decorator(fn):
try:
sender = ContentType.objects.get(model=content_type).model_class()
except ContentType.DoesNotExist:
sender = None
dispatch_uid = '%s_%s_%s' % (fn.__name__, content_type, type_)
wrapper = receiver(signal, sender=sender, dispatch_uid=dispatch_uid)
return wrapper(fn)
def test_game_announcement_signal(self):
game_played_receiver = receiver(game_played)(mock.Mock())
game = Game.objects.announce(self.users[0], self.users[1],
self.default_competition)
game_played_receiver.assert_called_once_with(
sender=game, signal=mock.ANY
)
# Check that the 'game played' signal is fired only when the game
# object is created, not modified
game_played_receiver = receiver(game_played)(mock.Mock())
game.date = timezone.now()
game.save()
self.assertEqual(game_played_receiver.call_count, 0)
def ready(self):
shard_settings = getattr(settings, 'DJANGO_SHARDING_SETTINGS', {})
shard_groups = [settings.DATABASES[db_settings]['SHARD_GROUP'] for db_settings in settings.DATABASES]
shard_groups = set(filter(lambda group: group is not None, shard_groups))
self.bucketers = {}
self.routing_strategies = {}
for shard_group in shard_groups:
group_settings = shard_settings.get(shard_group, {})
self.bucketers[shard_group] = group_settings.get(
'BUCKETING_STRATEGY',
RoundRobinBucketingStrategy(shard_group=shard_group, databases=settings.DATABASES)
)
self.routing_strategies[shard_group] = group_settings.get(
'ROUTING_STRATEGY',
PrimaryOnlyRoutingStrategy(databases=settings.DATABASES)
)
# Unless otherwise instructed, add the signal to save the shard to the model if it has a shard field.
for model in apps.get_models():
if getattr(model, 'django_sharding__stores_shard', False) and getattr(model, 'django_sharding__shard_group', None):
shard_group = getattr(model, 'django_sharding__shard_group', None)
shard_field = getattr(model, 'django_sharding__shard_field', None)
if not shard_field:
raise Exception('The model {} must have a `shard_field` attribute'.format(model))
else:
shard_fields = list(filter(lambda field: getattr(field, 'django_sharding__stores_shard', False), model._meta.fields))
if not any(shard_fields):
continue
if len(shard_fields) > 1:
raise Exception('The model {} has multuple fields for shard storage: {}'.format(model, shard_fields))
shard_field = shard_fields[0]
shard_group = getattr(shard_field, 'django_sharding__shard_group', None)
if not shard_group:
raise Exception('The model {} with the shard field must have a `shard_group` attribute'.format(model))
if not getattr(shard_field, 'django_sharding__use_signal', False):
continue
group_settings = shard_settings.get(shard_group, {})
if group_settings.get('SKIP_ADD_SHARDED_SIGNAL', False):
continue
receiver(models.signals.pre_save, sender=model)(save_shard_handler)
def test_save_existing_competition_doesnt_send_created_signal(self):
competition = CompetitionFactory()
competition_created_receiver = receiver(competition_created)(
mock.Mock())
competition.name = 'Foobar'
competition.save()
competition_created_receiver.assert_not_called()
def handle(self, *args, **options):
# If we're running in a migrations we need to use the correct apps
self.apps = options.get('apps', apps)
sources = options.get('sources')
sources_dir = os.path.join(share.__path__[0], SOURCES_DIR)
if sources:
source_dirs = [os.path.join(sources_dir, s) for s in sources]
else:
source_dirs = [os.path.join(sources_dir, s) for s in os.listdir(sources_dir)]
if self.apps.get_model('share.ShareUser').__module__ == '__fake__':
receiver(post_save, sender=self.apps.get_model('share.ShareUser'), dispatch_uid='__fake__.share.models.share_user_post_save_handler')(user_post_save)
with transaction.atomic():
self.known_harvesters = self.sync_drivers('share.harvesters', self.apps.get_model('share.Harvester'))
self.known_transformers = self.sync_drivers('share.transformers', self.apps.get_model('share.Transformer'))
self.update_sources(source_dirs, overwrite=options.get('overwrite'))
def complex_setting_changed(**kwargs):
if kwargs['enter'] and kwargs['setting'] in COMPLEX_OVERRIDE_SETTINGS:
# Considering the current implementation of the signals framework,
# this stacklevel shows the line containing the override_settings call.
warnings.warn("Overriding setting %s can lead to unexpected behavior."
% kwargs['setting'], stacklevel=6)
@receiver(setting_changed)
def wrap(func):
func = shoutout(func)
from django import dispatch
return dispatch.receiver(
*args,
weak=kwargs.pop('weak', False),
dispatch_uid=kwargs.pop('dispatch_uid', '%s.%s' % (func.__module__, func.__name__)),
**kwargs)(func)
def indexing_receiver(signal, signal_name):
"""Return a routine that registers signal handlers for indexers.
The returned registration routine uses strong refs, makes up a
dispatch_uid, and uses ``sender_class`` as the sender.
"""
return receiver(signal,
sender=sender_class,
dispatch_uid='%s.%s.elastic.%s' %
(app, sender_class.__name__, signal_name),
weak=False)
def receiver(self, signal_name):
"""
A wrapper for django.dispatch.receiver. Takes a signal name which
has to be registered already.
"""
receiver_wrapper = receiver(signal=self.signals[signal_name])
@wraps(receiver_wrapper)
def wrapper(func):
return receiver_wrapper(func)
return wrapper
def indexing_receiver(signal, signal_name):
"""Return a routine that registers signal handlers for indexers.
The returned registration routine uses strong refs, makes up a
dispatch_uid, and uses ``sender_class`` as the sender.
"""
return receiver(
signal,
sender=sender_class,
dispatch_uid='{0!s}.{1!s}.elastic.{2!s}'.format(app, sender_class.__name__, signal_name),
weak=False)
def receiver(self, signal_name):
"""
A wrapper for django.dispatch.receiver. Takes a signal name which
has to be registered already.
"""
receiver_wrapper = receiver(signal=self.signals[signal_name])
@wraps(receiver_wrapper)
def wrapper(func):
return receiver_wrapper(func)
return wrapper
def _dec(rule):
receiver_kwargs = {}
if model is not None:
receiver_kwargs['sender'] = getattr(models, model)
def handler(sender, **kwargs):
if kwargs.get('raw', False): return
# since the rule knows what model the signal comes from
# the sender value is redundant.
rule(kwargs['instance'])
else:
def handler(sender, **kwargs):
if kwargs.get('raw', False): return
rule(sender, kwargs['instance'])
return receiver(getattr(signals, signal), **receiver_kwargs)(handler)
def _dec(rule):
receiver_kwargs = {}
if model is not None:
receiver_kwargs['sender'] = getattr(models, model)
def handler(sender, **kwargs):
if kwargs.get('raw', False): return
# since the rule knows what model the signal comes from
# the sender value is redundant.
rule(kwargs['instance'])
else:
def handler(sender, **kwargs):
if kwargs.get('raw', False): return
rule(sender, kwargs['instance'])
return receiver(getattr(signals, signal), **receiver_kwargs)(handler)
def test_ranking_changed_signal(self):
ranking_changed_receiver = receiver(ranking_changed)(mock.Mock())
christoph, laurent, rolf = (UserFactory() for i in range(3))
game1 = self.default_competition.add_game(rolf, christoph)
game2 = self.default_competition.add_game(christoph, rolf)
self.default_competition.add_game(christoph, rolf)
self.assertEqual(ranking_changed_receiver.call_count, 4)
args_list = ranking_changed_receiver.call_args_list
self.assertEqual(args_list, [
mock.call(player=rolf,
old_ranking=None,
sender=game1,
new_ranking=1,
signal=mock.ANY,
competition=self.default_competition),
mock.call(player=christoph,
old_ranking=None,
sender=game1,
new_ranking=2,
signal=mock.ANY,
competition=self.default_competition),
mock.call(player=christoph,
old_ranking=2,
sender=game2,
new_ranking=1,
signal=mock.ANY,
competition=self.default_competition),
mock.call(player=rolf,
old_ranking=1,
sender=game2,
new_ranking=2,
signal=mock.ANY,
competition=self.default_competition),
])
grouping = models.CharField(_('grouping'), default="", blank=True, max_length=255, choices=(
('', _('default'),),
('main_menu', _('main_menu')),
('main_category', _('main_category')),
))
text_entity_fields = common.TextEntity.text_entity_fields + ['parent', 'name', 'action', 'grouping']
@classmethod
def get_main(cls):
return cls.objs.filter(grouping="main_menu")
@common.memoize_field('_articles')
def get_articles(self):
return Article.objs.filter(parent=self).prefetch_related('attachments').select_related()
objs = SectionManager()
receiver(post_save, sender=Section)(common.make_full_path_signal)
class Article(common.LeafEntity, common.TextEntity, common.SeoEntity):
class Meta:
verbose_name = _('article')
verbose_name_plural = _('articles')
short = RichTextField(_('short'), blank=True)
parent = TreeForeignKey(Section, verbose_name=_('parent'))
other_info = models.TextField(_('other_info'), null=True, default="")
def get_subs(self):
return CatalogManager.query_wrapper(self.get_children())
def get_catalog_tiles(self):
max_len = 4
tiles = []
subs = CatalogManager.query_wrapper(self.get_children()).order_by('?')[:max_len]
if subs: tiles = tiles + list(subs)
tiles_len = len(tiles)
if tiles_len >= max_len: return tiles
return tiles + list(self.get_products().order_by('?')[:max_len - tiles_len])
receiver(post_save, sender=Catalog)(common.make_full_path_signal)
class CategoryManager(common.TextEntityManager): pass
class Category(Section):
objs = CategoryManager()
@classmethod
def get_main(cls):
return cls.objs.filter(grouping="main_category")
@classmethod
def get_other(cls):
return cls.objs.filter(grouping="")
def add_dedupe_signals(cls):
"""Class decorator to add signals needed to dedupe."""
receiver(pre_save, sender=cls)(revert_dedupe)
receiver(post_save, sender=cls)(apply_dedupe)
receiver(pre_delete, sender=cls)(revert_dedupe)
return cls
def contribute_to_class(self, cls, name):
super(FilesField, self).contribute_to_class(cls, name)
receiver(post_save, sender=cls)(manage_files_on_disk)
setattr(cls, self.name, controllers.FilesDescriptor(self))
if created and not user.manager:
from profile.models import Manager
today = datetime.date.today()
available_managers = Manager.objects.filter(
is_available_for_new_users=True)
user.manager = available_managers.exclude(
managed_users__date_joined__gt=today).order_by('id').first()
if not user.manager:
user.manager = available_managers.filter(
managed_users__date_joined__gt=today).annotate(
users=Count('managed_users')).order_by('users').first()
user.save()
receiver(post_save, sender=User)(post_save_clean_image_file)
receiver(post_delete, sender=User)(post_delete_clean_image_file)
class UserPhone(models.Model):
class Meta:
verbose_name = u'телефон пользователя'
verbose_name_plural = u'телефоны пользователя'
unique_together = (('phone', 'user'), )
ordering = ['order']
phone = models.ForeignKey('ad.Phone',
verbose_name=u'телефон',
related_name='users_m2m')
user = models.ForeignKey(User,
verbose_name=u'пользователь',
class Meta:
model = Sponsorship
fields = '__all__'
widgets = {
'organization':
ModelSelect2Widget(data_view='organization-lookup',
attrs=SELECT2_SIDEBAR),
'event':
ModelSelect2Widget(data_view='event-lookup',
attrs=SELECT2_SIDEBAR),
'contact':
ModelSelect2Widget(data_view='person-lookup',
attrs=SELECT2_SIDEBAR),
}
# ----------------------------------------------------------
# Signals
# adding @receiver decorator to the function defined in `workshops.forms`
form_saved_add_comment = receiver(
create_comment_signal,
sender=OrganizationCreateForm,
)(form_saved_add_comment)
# adding @receiver decorator to the function defined in `workshops.forms`
form_saved_add_comment = receiver(
create_comment_signal,
sender=MembershipCreateForm,
)(form_saved_add_comment)
class NutritionStocksR(AbstractNutritionStocksR):
REPORTING_TYPE = PERIODICAL_SOURCE
RECEIPT_FORMAT = "{period__year_short}{period__month}" \
"NUTST-{dow}/{entity__slug}-{rand}"
UNIQUE_TOGETHER = [('period', 'entity')]
class Meta:
app_label = 'snisi_nutrition'
verbose_name = _("Nutrition Inputs Report")
verbose_name_plural = _("Nutrition Inputs Reports")
receiver(pre_save, sender=NutritionStocksR)(pre_save_report)
receiver(post_save, sender=NutritionStocksR)(post_save_report)
reversion.register(NutritionStocksR)
class AggNutritionStocksR(AbstractNutritionStocksR,
PeriodicAggregatedReportInterface, SNISIReport):
REPORTING_TYPE = PERIODICAL_AGGREGATED
RECEIPT_FORMAT = "{period__year_short}{period__month}" \
"NUTSTa-{dow}/{entity__slug}-{rand}"
INDIVIDUAL_CLS = NutritionStocksR
UNIQUE_TOGETHER = [('period', 'entity')]
class Meta:
# 结束时间
end_time = models.FloatField(default=0.0)
# 创建时间
create_time = TimeStampField(auto_now_add=True)
# 最后更新时间
update_time = TimeStampField(auto_now=True)
# 重构管理器
objects = HoHoModelManager()
def __str__(self):
return "[%s] 标题:%s, 归属协会%s" % (self.id, self.title, self.association.name)
receiver(post_save, sender=AssociationAttendance)(delete_model_single_object_cache)
receiver(post_delete, sender=AssociationAttendance)(delete_model_single_object_cache)
receiver(post_save, sender=Association)(delete_model_single_object_cache)
receiver(post_delete, sender=Association)(delete_model_single_object_cache)
receiver(post_save, sender=AssociationDepartment)(delete_model_single_object_cache)
receiver(post_delete, sender=AssociationDepartment)(delete_model_single_object_cache)
receiver(post_save, sender=AssociationAccount)(delete_model_single_object_cache)
receiver(post_delete, sender=AssociationAccount)(delete_model_single_object_cache)
#-*- coding: utf-8 -*-
import urllib2
import urlparse
from django.db.models.signals import post_save, pre_delete
from django.core.cache import cache
from django.dispatch import receiver
from models import Comment
def update_comments_count(sender, **kwargs):
instance = kwargs['instance']
target = instance.content_object
if target and hasattr(target, 'update_comments_count'):
target.update_comments_count()
receiver(post_save, sender=Comment, dispatch_uid='zavtra.comments.signals')(update_comments_count)
receiver(pre_delete, sender=Comment, dispatch_uid='zavtra.comments.signals')(update_comments_count)
class SponsorshipForm(WidgetOverrideMixin, forms.ModelForm):
helper = BootstrapHelper(submit_label='Add')
class Meta:
model = Sponsorship
fields = '__all__'
widgets = {
'organization': ModelSelect2(url='organization-lookup'),
'event': ModelSelect2(url='event-lookup'),
'contact': ModelSelect2(url='person-lookup'),
}
# ----------------------------------------------------------
# Signals
# adding @receiver decorator to the function defined in `workshops.forms`
form_saved_add_comment = receiver(
create_comment_signal,
sender=OrganizationCreateForm,
)(form_saved_add_comment)
# adding @receiver decorator to the function defined in `workshops.forms`
form_saved_add_comment = receiver(
create_comment_signal,
sender=MembershipCreateForm,
)(form_saved_add_comment)
from django.db.models.signals import post_save, m2m_changed, post_delete
from django.contrib.flatpages.models import FlatPage
from .blog.models import Entry
from .gallery.models import Picture
from .links.models import Link
def get_pages_cache():
try:
return caches['pages']
except KeyError:
try:
return caches['default']
except KeyError:
return None
def invalidate_cache(**kwargs):
cache = get_pages_cache()
if cache:
cache.clear()
# Register Receivers for for cleaning the cache
_signals = (post_save, m2m_changed, post_delete)
for _model in (FlatPage, Entry, Picture, Link):
receiver(_signals, sender=_model)(invalidate_cache)
del _signals
del _model
umi = user.default_info
elif type(item) is Message:
msg = item
umi = msg.user_message_info
user = umi.user
return msg, umi, user
@staticmethod
def delete_content_object(sender, instance, **kwargs):
try:
instance.content_object.delete()
except:
pass
receiver(post_delete, sender=Token)(Token.delete_content_object)
class HasTokenMixin(object):
@property
def verification_link(self):
ctype = ContentType.objects.get_for_model(self)
return Token.objects.get(content_type=ctype, object_id=self.pk).link()
@property
def token_key(self):
ctype = ContentType.objects.get_for_model(self)
return Token.objects.get(content_type=ctype, object_id=self.pk).key
@staticmethod
def contribute_to_class(self, cls, name):
super(FilesField, self).contribute_to_class(cls, name)
receiver(post_save, sender=cls)(manage_files_on_disk)
setattr(cls, self.name, controllers.FilesDescriptor(self))
class URENAMNutritionR(AbstractURENAMNutritionR):
REPORTING_TYPE = PERIODICAL_SOURCE
RECEIPT_FORMAT = "{period__year_short}{period__month}" \
"NAM-{dow}/{entity__slug}-{rand}"
UNIQUE_TOGETHER = [('period', 'entity')]
class Meta:
app_label = 'snisi_nutrition'
verbose_name = _("URENAM Report")
verbose_name_plural = _("URENAM Reports")
receiver(pre_save, sender=URENAMNutritionR)(pre_save_report)
receiver(post_save, sender=URENAMNutritionR)(post_save_report)
reversion.register(URENAMNutritionR)
class AggURENAMNutritionR(AbstractURENAMNutritionR,
PeriodicAggregatedReportInterface, SNISIReport):
REPORTING_TYPE = PERIODICAL_AGGREGATED
RECEIPT_FORMAT = "{period__year_short}{period__month}" \
"NAMa-{dow}/{entity__slug}-{rand}"
INDIVIDUAL_CLS = URENAMNutritionR
UNIQUE_TOGETHER = [('period', 'entity')]
class Meta:
rc = ReportClass.objects.get(cls=self.report_cls,
report_type=self.REPORTING_TYPE)
except:
return short_class_str(self.report_cls)
return rc.name
def as_xls(self):
return default_xls_export(self)
@classmethod
def is_aggregated(cls):
return cls.REPORTING_TYPE in (PERIODICAL_AGGREGATED,
OCCASIONAL_AGGREGATED)
# we need to ensure non-handled reports gets created with a correct receipt
receiver(pre_save, sender=SNISIReport)(pre_save_report_incomplete)
receiver(post_save, sender=SNISIReport)(post_save_report)
reversion.register(SNISIReport)
class PeriodicAggregatedReportInterface(models.Model):
class Meta:
abstract = True
INDIVIDUAL_CLS = None
PERIODIC_AGG_MIXIN_FIELDS = ['nb_source_reports_expected',
'nb_source_reports_arrived',
'nb_source_reports_arrived_on_time',
from django.db.models.signals import post_save, pre_delete
from django.db import models
from django.dispatch import receiver
from django.core.cache import cache
from models import Ware, Variant, Category
def recalc_prices(sender, **kwargs):
ware = kwargs['instance'].ware
prices = ware.variants.aggregate(models.Min('price'),models.Max('price'))
Ware.objects.filter(id=ware.id).update(min_price=prices['price__min'], max_price=prices['price__max'])
def update_categories_cache(sender, **kwargs):
cache.delete('categories')
receiver(post_save, sender=Variant, dispatch_uid='shop.recalc_prices')(recalc_prices)
receiver(pre_delete, sender=Variant, dispatch_uid='shop.recalc_prices')(recalc_prices)
receiver(post_save, sender=Category, dispatch_uid='shop.categories_cache_update')(update_categories_cache)
receiver(pre_delete, sender=Category, dispatch_uid='shop.categories_cache_update')(update_categories_cache)
"""
if instance.file.name:
instance.file.storage.delete(instance.file.name)
if isinstance(instance, Video) and instance.preview.name:
instance.preview.storage.delete(instance.preview.name)
def delete_media_old_file_on_model_change(sender, instance, **kwargs):
"""
Deletes old file if object file has been changed.
:param sender:
:param instance:
:param kwargs:
:return:
"""
if instance.file_changed and instance._old_file is not None and instance._old_file.name:
instance._old_file.storage.delete(instance._old_file.name)
# Register media files deletion on model deletion
receiver(models.signals.post_delete, sender=Video)(delete_media_file_on_model_delete)
receiver(models.signals.post_delete, sender=VideoStream)(delete_media_file_on_model_delete)
receiver(models.signals.post_delete, sender=Audio)(delete_media_file_on_model_delete)
receiver(models.signals.post_delete, sender=AudioStream)(delete_media_file_on_model_delete)
# Register media files deletion on model changing
receiver(models.signals.pre_save, sender=Video)(delete_media_old_file_on_model_change)
receiver(models.signals.pre_save, sender=VideoStream)(delete_media_old_file_on_model_change)
receiver(models.signals.pre_save, sender=Audio)(delete_media_old_file_on_model_change)
receiver(models.signals.pre_save, sender=AudioStream)(delete_media_old_file_on_model_change)
from base64 import b64encode
generate_uid = lambda: \
b64encode(
randrange(64**Survey.UID_LENGTH)\
.to_bytes(-(-Survey.UID_LENGTH * 6 // 8), byteorder='big')
)\
.decode('ascii').replace('+', '-').replace('/', '_')
uid = generate_uid()
while Survey.objects.filter(uid=uid).exists():
uid = generate_uid()
instance.uid = uid
receiver(signals.pre_save, sender=Survey, weak=False)(signal)
# Set species and dummy boolean for Section & End
for n, c in inspect.getmembers(
sys.modules[__name__],
lambda o: inspect.isclass(o) and \
re.match(r'^(Section|End)$', o.__name__)
):
def signal(sender, instance, *args, **kwargs):
instance.species = sender.__name__
if instance.dummy is None:
instance.dummy = sender.__name__ == 'End'
receiver(signals.pre_save, sender=c, weak=False)(signal)
def ready(self):
from bughouse.receivers import compute_ratings
dispatch.receiver(post_save, sender='bughouse.Game')(
compute_ratings,
)
from member.models import Member, MemberUrlType, MemberUrl
from service.models import Service
from technology.models import Technology, TechnologySection
from .views import get_last_modified_key
def set_last_updated_at(sender, instance, created, **kwargs):
"""
Signal to set last_updated_at which is used for caching
"""
model_key = get_last_modified_key(sender)
cache.set(model_key, datetime.datetime.now(), None)
receiver(post_save, sender=Client)(set_last_updated_at)
receiver(post_save, sender=Service)(set_last_updated_at)
def set_last_updated_at_member(sender, instance, created, **kwargs):
"""
Signal to set last_updated_at which is used for caching
"""
model_key = get_last_modified_key(Member)
cache.set(model_key, datetime.datetime.now(), None)
receiver(post_save, sender=Member)(set_last_updated_at_member)
receiver(post_save, sender=MemberUrl)(set_last_updated_at_member)
receiver(post_save, sender=MemberUrlType)(set_last_updated_at_member)
class Administrator(User):
token_prefix = 'admin'
objects = AdministratorManager()
class Meta:
proxy = True
def save(self, *args, **kwargs):
self.type = User.Type.ADMINISTRATOR
self.is_staff = True
super(Administrator, self).save(*args, **kwargs)
receiver(post_save, sender=Administrator)(create_login_link)
class RegularUserManager(UserManager):
def get_queryset(self):
return super(RegularUserManager, self).get_queryset().filter(
type=User.Type.REGULAR
)
class RegularUser(User):
token_prefix = 'user'
objects = RegularUserManager()
class Meta:
proxy = True
max_length=500, null=True, blank=True)
female_condoms_observation = models.CharField(
max_length=500, null=True, blank=True)
hiv_tests_observation = models.CharField(
max_length=500, null=True, blank=True)
pregnancy_tests_observation = models.CharField(
max_length=500, null=True, blank=True)
emergency_controls_observation = models.CharField(
max_length=500, null=True, blank=True)
receiver(pre_save, sender=PFActivitiesR)(pre_save_report)
receiver(post_save, sender=PFActivitiesR)(post_save_report)
reversion.register(PFActivitiesR, follow=['snisireport_ptr'])
class AggPFActivitiesR(PFActivitiesRIface,
PeriodicAggregatedReportInterface, SNISIReport):
REPORTING_TYPE = PERIODICAL_AGGREGATED
INDIVIDUAL_CLS = PFActivitiesR
RECEIPT_FORMAT = "AMP{id}/{entity__slug}-{day}"
UNIQUE_TOGETHER = [('period', 'entity')]
class Meta:
app_label = 'snisi_reprohealth'
self.magnesium_sulfate = magnesium_sulfate
self.metronidazole = metronidazole
self.oxytocine = oxytocine
self.ceftriaxone_500 = ceftriaxone_500
self.ceftriaxone_1000 = ceftriaxone_1000
def fp_stockout_3methods(self):
w = 0
for f in ('male_condom', 'female_condom', 'oral_pills', 'injectable',
'iud', 'implants',
'female_sterilization', 'male_sterilization'):
if getattr(self, f) == 0:
w += 1
return w >= 3
receiver(pre_save, sender=RHProductsR)(pre_save_report)
receiver(post_save, sender=RHProductsR)(post_save_report)
reversion.register(RHProductsR)
class AggRHProductsR(PeriodicAggregatedReportInterface, SNISIReport):
REPORTING_TYPE = PERIODICAL_AGGREGATED
INDIVIDUAL_CLS = RHProductsR
UNIQUE_TOGETHER = [('period', 'entity')]
class Meta:
app_label = 'snisi_reprohealth'
verbose_name = _("Aggregated RH Commodities Report")
verbose_name_plural = _("Aggregated RH Commodities Reports")
def ready(self):
shard_settings = getattr(settings, 'DJANGO_SHARDING_SETTINGS', {})
shard_groups = [
settings.DATABASES[db_settings]['SHARD_GROUP']
for db_settings in settings.DATABASES
]
shard_groups = set(
filter(lambda group: group is not None, shard_groups))
self.bucketers = {}
self.routing_strategies = {}
for shard_group in shard_groups:
group_settings = shard_settings.get(shard_group, {})
self.bucketers[shard_group] = group_settings.get(
'BUCKETING_STRATEGY',
RoundRobinBucketingStrategy(shard_group=shard_group,
databases=settings.DATABASES))
self.routing_strategies[shard_group] = group_settings.get(
'ROUTING_STRATEGY',
PrimaryOnlyRoutingStrategy(databases=settings.DATABASES))
# Unless otherwise instructed, add the signal to save the shard to the model if it has a shard field.
for model in apps.get_models():
if getattr(model,
'django_sharding__stores_shard', False) and getattr(
model, 'django_sharding__shard_group', None):
shard_group = getattr(model, 'django_sharding__shard_group',
None)
shard_field = getattr(model, 'django_sharding__shard_field',
None)
if not shard_field:
raise Exception(
'The model {} must have a `shard_field` attribute'.
format(model))
else:
shard_fields = list(
filter(
lambda field: getattr(
field, 'django_sharding__stores_shard', False),
model._meta.fields))
if not any(shard_fields):
continue
if len(shard_fields) > 1:
raise Exception(
'The model {} has multiple fields for shard storage: {}'
.format(model, shard_fields))
shard_field = shard_fields[0]
shard_group = getattr(shard_field,
'django_sharding__shard_group', None)
if not shard_group:
raise Exception(
'The model {} with the shard field must have a `shard_group` attribute'
.format(model))
if not getattr(shard_field, 'django_sharding__use_signal',
False):
continue
group_settings = shard_settings.get(shard_group, {})
if group_settings.get('SKIP_ADD_SHARDED_SIGNAL', False):
continue
receiver(models.signals.pre_save, sender=model)(save_shard_handler)
def event_receiver_decorator(fn):
sender = ContentType.objects.get(model=content_type).model_class()
dispatch_uid = '%s_%s_%s' % (fn.__name__, content_type, type_)
wrapper = receiver(signal, sender=sender, dispatch_uid=dispatch_uid)
return wrapper(fn)
#
# Register event handlers if rocketchat integration is enabled
#
def logout_handler(sender, user, request, **kwargs):
"""
Logout Rocketchat user when receives a Django logout signal.
"""
# Superuser cannot logout because that would invalidate the Auth token
if user and not user.is_superuser:
submit(silence_exceptions(rocket.logout), user)
def silence_exceptions(func):
"""
Log errors instead of proagating exceptions.
"""
# noinspection PyBroadException
def wrapped(*args, **kwargs):
try:
return func(*args, **kwargs)
except Exception as exc:
msg = f"Error encountered executing {func.__name__}: {exc}"
log.error(msg)
return wrapped
if settings.EJ_ROCKETCHAT_INTEGRATION:
receiver(user_logged_out)(logout_handler)
class JobUploadDocument(models.Model):
job = models.ForeignKey('employer.Job')
document_type = models.ForeignKey('employer.JobUploadDocumentType')
document = models.FileField(upload_to="job_document/%Y/%m/%d")
def __unicode__(self):
if self.document:
return self.document.name.split('/')[-1]
else:
return super(JobUploadDocument, self).__unicode__()
def clean(self):
max_count = self.document_type.max_count
if max_count > 0:
if JobUploadDocument.objects.filter(job=self.job, document_type=self.document_type).count() >= max_count:
raise ValidationError("Too many Files for category {0}".format(self.document_type.__unicode__()))
def after_update(sender, **kwargs):
if 'created' not in kwargs or not kwargs['created']:
update_index.delay()
else:
instance = kwargs['instance']
Essential.objects.create(job=instance, essential=' ')
Desireable.objects.create(job=instance, desireable=' ')
receiver(post_save, sender=Job)(after_update)
receiver(post_delete, sender=Job)(after_update)
receiver(m2m_changed, sender=Job)(after_update)
