From b0bf249e3d284bad9e0b4cd5fbc7c4736c1efaaa Mon Sep 17 00:00:00 2001 From: Laurent Date: Fri, 23 May 2025 16:56:30 +0200 Subject: [PATCH] possible bug fix --- ...ata_access_ids_alter_modellog_operation.py | 23 +++++ sync/models/base.py | 22 +++++ sync/models/data_access.py | 29 ++++++- sync/signals.py | 53 ++++++------ ...cess_ids_court_data_access_ids_and_more.py | 83 +++++++++++++++++++ 5 files changed, 184 insertions(+), 26 deletions(-) create mode 100644 sync/migrations/0005_dataaccess_data_access_ids_alter_modellog_operation.py create mode 100644 tournaments/migrations/0118_club_data_access_ids_court_data_access_ids_and_more.py diff --git a/sync/migrations/0005_dataaccess_data_access_ids_alter_modellog_operation.py b/sync/migrations/0005_dataaccess_data_access_ids_alter_modellog_operation.py new file mode 100644 index 0000000..da32abe --- /dev/null +++ b/sync/migrations/0005_dataaccess_data_access_ids_alter_modellog_operation.py @@ -0,0 +1,23 @@ +# Generated by Django 5.1 on 2025-05-23 14:17 + +from django.db import migrations, models + + +class Migration(migrations.Migration): + + dependencies = [ + ('sync', '0004_delete_device'), + ] + + operations = [ + migrations.AddField( + model_name='dataaccess', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AlterField( + model_name='modellog', + name='operation', + field=models.CharField(choices=[('POST', 'POST'), ('PUT', 'PUT'), ('DELETE', 'DELETE'), ('SHARED_ACCESS', 'SHARED_ACCESS'), ('REVOKED_ACCESS', 'REVOKED_ACCESS'), ('SHARED_RELATIONSHIP_SET', 'SHARED_RELATIONSHIP_SET'), ('SHARED_RELATIONSHIP_REMOVED', 'SHARED_RELATIONSHIP_REMOVED')], max_length=50), + ), + ] diff --git a/sync/models/base.py b/sync/models/base.py index 1eef92f..ac19c77 100644 --- a/sync/models/base.py +++ b/sync/models/base.py @@ -3,11 +3,14 @@ from django.utils.timezone import now from django.conf import settings from typing import List, Set +from django.apps import apps + class BaseModel(models.Model): creation_date = models.DateTimeField(default=now, editable=False) last_update = models.DateTimeField(default=now) related_user = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True, on_delete=models.SET_NULL, related_name='+') last_updated_by = models.ForeignKey(settings.AUTH_USER_MODEL, blank=True, null=True, on_delete=models.SET_NULL, related_name='+') + data_access_ids = models.JSONField(default=list) class Meta: abstract = True @@ -15,6 +18,7 @@ class BaseModel(models.Model): def save(self, *args, **kwargs): if self.related_user is None: self.related_user = self.find_related_user() + self.update_data_access_list() super().save(*args, **kwargs) def get_store_id(self): @@ -23,6 +27,24 @@ class BaseModel(models.Model): else: return None + def update_data_access_list(self): + related_instances = self.related_instances() + related_ids = [ri.id for ri in related_instances] + related_ids.append(self.id) + + DataAccess = apps.get_model('sync', 'DataAccess') + data_accesses = DataAccess.objects.filter(model_id__in=related_ids) + for data_access in data_accesses: + self.add_data_access_relation(data_access) + + def add_data_access_relation(self, data_access): + str_id = str(data_access.id) + if str_id not in self.data_access_ids: + self.data_access_ids.append(str_id) + + def remove_data_access_relation(self, data_access): + self.data_access_ids.remove(str(data_access.id)) + def get_children_by_model(self): """ Returns a dictionary where: diff --git a/sync/models/data_access.py b/sync/models/data_access.py index dedf04f..7e342a3 100644 --- a/sync/models/data_access.py +++ b/sync/models/data_access.py @@ -9,14 +9,13 @@ import uuid from . import ModelLog, SideStoreModel, BaseModel + class DataAccess(BaseModel): id = models.UUIDField(primary_key=True, default=uuid.uuid4) - # owner = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='owned_data', on_delete=models.CASCADE) shared_with = models.ManyToManyField(settings.AUTH_USER_MODEL, related_name='shared_data') model_name = models.CharField(max_length=50) model_id = models.UUIDField() granted_at = models.DateTimeField(auto_now_add=True) - # last_hierarchy_update = models.DateTimeField(default=timezone.now) def delete_dependencies(self): pass @@ -59,3 +58,29 @@ class DataAccess(BaseModel): pass else: print(f'model not found: {self.model_name}') + + def add_references(self): + model_class = model_registry.get_model(self.model_name) + if model_class: + try: + obj = model_class.objects.get(id=self.model_id) + related_instance = obj.related_instances() + for instance in related_instance: + if isinstance(instance, BaseModel): + instance.add_data_access_relation(self) + instance.save() + except ObjectDoesNotExist: + pass + + def cleanup_references(self): + model_class = model_registry.get_model(self.model_name) + if model_class: + try: + obj = model_class.objects.get(id=self.model_id) + related_instance = obj.related_instances() + for instance in related_instance: + if isinstance(instance, BaseModel): + instance.remove_data_access_relation(self) + instance.save() + except ObjectDoesNotExist: + pass diff --git a/sync/signals.py b/sync/signals.py index 4154091..a659af2 100644 --- a/sync/signals.py +++ b/sync/signals.py @@ -13,24 +13,6 @@ from .registry import device_registry, related_users_registry User = get_user_model() -### Device - -@receiver(post_save, sender=Device) -def device_created(sender, instance, **kwargs): - if not instance.user: - return - evaluate_if_user_should_sync(instance.user) - -@receiver(pre_delete, sender=Device) -def device_pre_delete(sender, instance, **kwargs): - instance._user = instance.user if instance.user else None - -@receiver(post_delete, sender=Device) -def device_post_delete(sender, instance, **kwargs): - if not hasattr(instance, '_user') or not instance._user: - return - evaluate_if_user_should_sync(instance._user) - ### Sync @receiver([pre_save, pre_delete]) @@ -139,9 +121,11 @@ def save_model_log(users, model_operation, model_name, model_id, store_id): device_id = device_registry.get_device_id(model_id) + # print(f'>> creating Model Log for: {model_operation} {model_name}') + with transaction.atomic(): for user in users: - # print(f'>>> create log for {user.username} : {model_operation} {model_name}') + # print(f' * {user.username}') # if user.should_synchronize: model_log = ModelLog() @@ -273,11 +257,14 @@ def handle_shared_with_changes(sender, instance, action, pk_set, **kwargs): @receiver(post_save, sender=DataAccess) def data_access_post_save(sender, instance, **kwargs): + instance.add_references() # create DataAccess references on hierarchy + if instance.related_user: evaluate_if_user_should_sync(instance.related_user) @receiver(pre_delete, sender=DataAccess) def revoke_access_after_delete(sender, instance, **kwargs): + instance.cleanup_references() instance.create_revoke_access_log() related_users_registry.register(instance.id, instance.shared_with.all()) @@ -300,13 +287,16 @@ def related_users(instance): # users.add(instance.last_updated_by) # look in hierarchy - related_instances = instance.related_instances() + # related_instances = instance.related_instances() # print(f'related_instances = {related_instances}') # related_users = [ri.related_user for ri in related_instances if isinstance(ri, BaseModel)] # users.update(related_users) + data_access_list = DataAccess.objects.filter(id__in=instance.data_access_ids) + # look in related DataAccess - data_access_list = instances_related_data_access(instance, related_instances) + # data_access_list = instances_related_data_access(instance, related_instances) + # print(f'instance = {instance.__class__.__name__}, data access count = {len(data_access_list)}') for data_access in data_access_list: users.add(data_access.related_user) users.update(data_access.shared_with.all()) @@ -318,9 +308,6 @@ def related_users(instance): def related_data_access(instance): related_instances = instance.related_instances() - return instances_related_data_access(instance, related_instances) - -def instances_related_data_access(instance, related_instances): related_ids = [ri.id for ri in related_instances] related_ids.append(instance.id) return DataAccess.objects.filter(model_id__in=related_ids) @@ -339,3 +326,21 @@ def evaluate_if_user_should_sync(user): user.should_synchronize = should_synchronize # if we go from True to False we might want to delete ModelLog once the last device has synchronized user.save() + +### Device + +@receiver(post_save, sender=Device) +def device_created(sender, instance, **kwargs): + if not instance.user: + return + evaluate_if_user_should_sync(instance.user) + +@receiver(pre_delete, sender=Device) +def device_pre_delete(sender, instance, **kwargs): + instance._user = instance.user if instance.user else None + +@receiver(post_delete, sender=Device) +def device_post_delete(sender, instance, **kwargs): + if not hasattr(instance, '_user') or not instance._user: + return + evaluate_if_user_should_sync(instance._user) diff --git a/tournaments/migrations/0118_club_data_access_ids_court_data_access_ids_and_more.py b/tournaments/migrations/0118_club_data_access_ids_court_data_access_ids_and_more.py new file mode 100644 index 0000000..909ec05 --- /dev/null +++ b/tournaments/migrations/0118_club_data_access_ids_court_data_access_ids_and_more.py @@ -0,0 +1,83 @@ +# Generated by Django 5.1 on 2025-05-23 14:17 + +from django.db import migrations, models + + +class Migration(migrations.Migration): + + dependencies = [ + ('tournaments', '0117_playerregistration_user_teamregistration_user_and_more'), + ] + + operations = [ + migrations.AddField( + model_name='club', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='court', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='dateinterval', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='drawlog', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='event', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='groupstage', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='match', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='playerregistration', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='purchase', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='round', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='teamregistration', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='teamscore', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AddField( + model_name='tournament', + name='data_access_ids', + field=models.JSONField(default=list), + ), + migrations.AlterField( + model_name='club', + name='timezone', + field=models.CharField(blank=True, choices=[('Africa/Abidjan', 'Africa/Abidjan'), ('Africa/Accra', 'Africa/Accra'), ('Africa/Addis_Ababa', 'Africa/Addis_Ababa'), ('Africa/Algiers', 'Africa/Algiers'), ('Africa/Asmara', 'Africa/Asmara'), ('Africa/Asmera', 'Africa/Asmera'), ('Africa/Bamako', 'Africa/Bamako'), ('Africa/Bangui', 'Africa/Bangui'), ('Africa/Banjul', 'Africa/Banjul'), ('Africa/Bissau', 'Africa/Bissau'), ('Africa/Blantyre', 'Africa/Blantyre'), ('Africa/Brazzaville', 'Africa/Brazzaville'), ('Africa/Bujumbura', 'Africa/Bujumbura'), ('Africa/Cairo', 'Africa/Cairo'), ('Africa/Casablanca', 'Africa/Casablanca'), ('Africa/Ceuta', 'Africa/Ceuta'), ('Africa/Conakry', 'Africa/Conakry'), ('Africa/Dakar', 'Africa/Dakar'), ('Africa/Dar_es_Salaam', 'Africa/Dar_es_Salaam'), ('Africa/Djibouti', 'Africa/Djibouti'), ('Africa/Douala', 'Africa/Douala'), ('Africa/El_Aaiun', 'Africa/El_Aaiun'), ('Africa/Freetown', 'Africa/Freetown'), ('Africa/Gaborone', 'Africa/Gaborone'), ('Africa/Harare', 'Africa/Harare'), ('Africa/Johannesburg', 'Africa/Johannesburg'), ('Africa/Juba', 'Africa/Juba'), ('Africa/Kampala', 'Africa/Kampala'), ('Africa/Khartoum', 'Africa/Khartoum'), ('Africa/Kigali', 'Africa/Kigali'), ('Africa/Kinshasa', 'Africa/Kinshasa'), ('Africa/Lagos', 'Africa/Lagos'), ('Africa/Libreville', 'Africa/Libreville'), ('Africa/Lome', 'Africa/Lome'), ('Africa/Luanda', 'Africa/Luanda'), ('Africa/Lubumbashi', 'Africa/Lubumbashi'), ('Africa/Lusaka', 'Africa/Lusaka'), ('Africa/Malabo', 'Africa/Malabo'), ('Africa/Maputo', 'Africa/Maputo'), ('Africa/Maseru', 'Africa/Maseru'), ('Africa/Mbabane', 'Africa/Mbabane'), ('Africa/Mogadishu', 'Africa/Mogadishu'), ('Africa/Monrovia', 'Africa/Monrovia'), ('Africa/Nairobi', 'Africa/Nairobi'), ('Africa/Ndjamena', 'Africa/Ndjamena'), ('Africa/Niamey', 'Africa/Niamey'), ('Africa/Nouakchott', 'Africa/Nouakchott'), ('Africa/Ouagadougou', 'Africa/Ouagadougou'), ('Africa/Porto-Novo', 'Africa/Porto-Novo'), ('Africa/Sao_Tome', 'Africa/Sao_Tome'), ('Africa/Timbuktu', 'Africa/Timbuktu'), ('Africa/Tripoli', 'Africa/Tripoli'), ('Africa/Tunis', 'Africa/Tunis'), ('Africa/Windhoek', 'Africa/Windhoek'), ('America/Adak', 'America/Adak'), ('America/Anchorage', 'America/Anchorage'), ('America/Anguilla', 'America/Anguilla'), ('America/Antigua', 'America/Antigua'), ('America/Araguaina', 'America/Araguaina'), ('America/Argentina/Buenos_Aires', 'America/Argentina/Buenos_Aires'), ('America/Argentina/Catamarca', 'America/Argentina/Catamarca'), ('America/Argentina/ComodRivadavia', 'America/Argentina/ComodRivadavia'), ('America/Argentina/Cordoba', 'America/Argentina/Cordoba'), ('America/Argentina/Jujuy', 'America/Argentina/Jujuy'), ('America/Argentina/La_Rioja', 'America/Argentina/La_Rioja'), ('America/Argentina/Mendoza', 'America/Argentina/Mendoza'), ('America/Argentina/Rio_Gallegos', 'America/Argentina/Rio_Gallegos'), ('America/Argentina/Salta', 'America/Argentina/Salta'), ('America/Argentina/San_Juan', 'America/Argentina/San_Juan'), ('America/Argentina/San_Luis', 'America/Argentina/San_Luis'), ('America/Argentina/Tucuman', 'America/Argentina/Tucuman'), ('America/Argentina/Ushuaia', 'America/Argentina/Ushuaia'), ('America/Aruba', 'America/Aruba'), ('America/Asuncion', 'America/Asuncion'), ('America/Atikokan', 'America/Atikokan'), ('America/Atka', 'America/Atka'), ('America/Bahia', 'America/Bahia'), ('America/Bahia_Banderas', 'America/Bahia_Banderas'), ('America/Barbados', 'America/Barbados'), ('America/Belem', 'America/Belem'), ('America/Belize', 'America/Belize'), ('America/Blanc-Sablon', 'America/Blanc-Sablon'), ('America/Boa_Vista', 'America/Boa_Vista'), ('America/Bogota', 'America/Bogota'), ('America/Boise', 'America/Boise'), ('America/Buenos_Aires', 'America/Buenos_Aires'), ('America/Cambridge_Bay', 'America/Cambridge_Bay'), ('America/Campo_Grande', 'America/Campo_Grande'), ('America/Cancun', 'America/Cancun'), ('America/Caracas', 'America/Caracas'), ('America/Catamarca', 'America/Catamarca'), ('America/Cayenne', 'America/Cayenne'), ('America/Cayman', 'America/Cayman'), ('America/Chicago', 'America/Chicago'), ('America/Chihuahua', 'America/Chihuahua'), ('America/Ciudad_Juarez', 'America/Ciudad_Juarez'), ('America/Coral_Harbour', 'America/Coral_Harbour'), ('America/Cordoba', 'America/Cordoba'), ('America/Costa_Rica', 'America/Costa_Rica'), ('America/Coyhaique', 'America/Coyhaique'), ('America/Creston', 'America/Creston'), ('America/Cuiaba', 'America/Cuiaba'), ('America/Curacao', 'America/Curacao'), ('America/Danmarkshavn', 'America/Danmarkshavn'), ('America/Dawson', 'America/Dawson'), ('America/Dawson_Creek', 'America/Dawson_Creek'), ('America/Denver', 'America/Denver'), ('America/Detroit', 'America/Detroit'), ('America/Dominica', 'America/Dominica'), ('America/Edmonton', 'America/Edmonton'), ('America/Eirunepe', 'America/Eirunepe'), ('America/El_Salvador', 'America/El_Salvador'), ('America/Ensenada', 'America/Ensenada'), ('America/Fort_Nelson', 'America/Fort_Nelson'), ('America/Fort_Wayne', 'America/Fort_Wayne'), ('America/Fortaleza', 'America/Fortaleza'), ('America/Glace_Bay', 'America/Glace_Bay'), ('America/Godthab', 'America/Godthab'), ('America/Goose_Bay', 'America/Goose_Bay'), ('America/Grand_Turk', 'America/Grand_Turk'), ('America/Grenada', 'America/Grenada'), ('America/Guadeloupe', 'America/Guadeloupe'), ('America/Guatemala', 'America/Guatemala'), ('America/Guayaquil', 'America/Guayaquil'), ('America/Guyana', 'America/Guyana'), ('America/Halifax', 'America/Halifax'), ('America/Havana', 'America/Havana'), ('America/Hermosillo', 'America/Hermosillo'), ('America/Indiana/Indianapolis', 'America/Indiana/Indianapolis'), ('America/Indiana/Knox', 'America/Indiana/Knox'), ('America/Indiana/Marengo', 'America/Indiana/Marengo'), ('America/Indiana/Petersburg', 'America/Indiana/Petersburg'), ('America/Indiana/Tell_City', 'America/Indiana/Tell_City'), ('America/Indiana/Vevay', 'America/Indiana/Vevay'), ('America/Indiana/Vincennes', 'America/Indiana/Vincennes'), ('America/Indiana/Winamac', 'America/Indiana/Winamac'), ('America/Indianapolis', 'America/Indianapolis'), ('America/Inuvik', 'America/Inuvik'), ('America/Iqaluit', 'America/Iqaluit'), ('America/Jamaica', 'America/Jamaica'), ('America/Jujuy', 'America/Jujuy'), ('America/Juneau', 'America/Juneau'), ('America/Kentucky/Louisville', 'America/Kentucky/Louisville'), ('America/Kentucky/Monticello', 'America/Kentucky/Monticello'), ('America/Knox_IN', 'America/Knox_IN'), ('America/Kralendijk', 'America/Kralendijk'), ('America/La_Paz', 'America/La_Paz'), ('America/Lima', 'America/Lima'), ('America/Los_Angeles', 'America/Los_Angeles'), ('America/Louisville', 'America/Louisville'), ('America/Lower_Princes', 'America/Lower_Princes'), ('America/Maceio', 'America/Maceio'), ('America/Managua', 'America/Managua'), ('America/Manaus', 'America/Manaus'), ('America/Marigot', 'America/Marigot'), ('America/Martinique', 'America/Martinique'), ('America/Matamoros', 'America/Matamoros'), ('America/Mazatlan', 'America/Mazatlan'), ('America/Mendoza', 'America/Mendoza'), ('America/Menominee', 'America/Menominee'), ('America/Merida', 'America/Merida'), ('America/Metlakatla', 'America/Metlakatla'), ('America/Mexico_City', 'America/Mexico_City'), ('America/Miquelon', 'America/Miquelon'), ('America/Moncton', 'America/Moncton'), ('America/Monterrey', 'America/Monterrey'), ('America/Montevideo', 'America/Montevideo'), ('America/Montreal', 'America/Montreal'), ('America/Montserrat', 'America/Montserrat'), ('America/Nassau', 'America/Nassau'), ('America/New_York', 'America/New_York'), ('America/Nipigon', 'America/Nipigon'), ('America/Nome', 'America/Nome'), ('America/Noronha', 'America/Noronha'), ('America/North_Dakota/Beulah', 'America/North_Dakota/Beulah'), ('America/North_Dakota/Center', 'America/North_Dakota/Center'), ('America/North_Dakota/New_Salem', 'America/North_Dakota/New_Salem'), ('America/Nuuk', 'America/Nuuk'), ('America/Ojinaga', 'America/Ojinaga'), ('America/Panama', 'America/Panama'), ('America/Pangnirtung', 'America/Pangnirtung'), ('America/Paramaribo', 'America/Paramaribo'), ('America/Phoenix', 'America/Phoenix'), ('America/Port-au-Prince', 'America/Port-au-Prince'), ('America/Port_of_Spain', 'America/Port_of_Spain'), ('America/Porto_Acre', 'America/Porto_Acre'), ('America/Porto_Velho', 'America/Porto_Velho'), ('America/Puerto_Rico', 'America/Puerto_Rico'), ('America/Punta_Arenas', 'America/Punta_Arenas'), ('America/Rainy_River', 'America/Rainy_River'), ('America/Rankin_Inlet', 'America/Rankin_Inlet'), ('America/Recife', 'America/Recife'), ('America/Regina', 'America/Regina'), ('America/Resolute', 'America/Resolute'), ('America/Rio_Branco', 'America/Rio_Branco'), ('America/Rosario', 'America/Rosario'), ('America/Santa_Isabel', 'America/Santa_Isabel'), ('America/Santarem', 'America/Santarem'), ('America/Santiago', 'America/Santiago'), ('America/Santo_Domingo', 'America/Santo_Domingo'), ('America/Sao_Paulo', 'America/Sao_Paulo'), ('America/Scoresbysund', 'America/Scoresbysund'), ('America/Shiprock', 'America/Shiprock'), ('America/Sitka', 'America/Sitka'), ('America/St_Barthelemy', 'America/St_Barthelemy'), ('America/St_Johns', 'America/St_Johns'), ('America/St_Kitts', 'America/St_Kitts'), ('America/St_Lucia', 'America/St_Lucia'), ('America/St_Thomas', 'America/St_Thomas'), ('America/St_Vincent', 'America/St_Vincent'), ('America/Swift_Current', 'America/Swift_Current'), ('America/Tegucigalpa', 'America/Tegucigalpa'), ('America/Thule', 'America/Thule'), ('America/Thunder_Bay', 'America/Thunder_Bay'), ('America/Tijuana', 'America/Tijuana'), ('America/Toronto', 'America/Toronto'), ('America/Tortola', 'America/Tortola'), ('America/Vancouver', 'America/Vancouver'), ('America/Virgin', 'America/Virgin'), ('America/Whitehorse', 'America/Whitehorse'), ('America/Winnipeg', 'America/Winnipeg'), ('America/Yakutat', 'America/Yakutat'), ('America/Yellowknife', 'America/Yellowknife'), ('Antarctica/Casey', 'Antarctica/Casey'), ('Antarctica/Davis', 'Antarctica/Davis'), ('Antarctica/DumontDUrville', 'Antarctica/DumontDUrville'), ('Antarctica/Macquarie', 'Antarctica/Macquarie'), ('Antarctica/Mawson', 'Antarctica/Mawson'), ('Antarctica/McMurdo', 'Antarctica/McMurdo'), ('Antarctica/Palmer', 'Antarctica/Palmer'), ('Antarctica/Rothera', 'Antarctica/Rothera'), ('Antarctica/South_Pole', 'Antarctica/South_Pole'), ('Antarctica/Syowa', 'Antarctica/Syowa'), ('Antarctica/Troll', 'Antarctica/Troll'), ('Antarctica/Vostok', 'Antarctica/Vostok'), ('Arctic/Longyearbyen', 'Arctic/Longyearbyen'), ('Asia/Aden', 'Asia/Aden'), ('Asia/Almaty', 'Asia/Almaty'), ('Asia/Amman', 'Asia/Amman'), ('Asia/Anadyr', 'Asia/Anadyr'), ('Asia/Aqtau', 'Asia/Aqtau'), ('Asia/Aqtobe', 'Asia/Aqtobe'), ('Asia/Ashgabat', 'Asia/Ashgabat'), ('Asia/Ashkhabad', 'Asia/Ashkhabad'), ('Asia/Atyrau', 'Asia/Atyrau'), ('Asia/Baghdad', 'Asia/Baghdad'), ('Asia/Bahrain', 'Asia/Bahrain'), ('Asia/Baku', 'Asia/Baku'), ('Asia/Bangkok', 'Asia/Bangkok'), ('Asia/Barnaul', 'Asia/Barnaul'), ('Asia/Beirut', 'Asia/Beirut'), ('Asia/Bishkek', 'Asia/Bishkek'), ('Asia/Brunei', 'Asia/Brunei'), ('Asia/Calcutta', 'Asia/Calcutta'), ('Asia/Chita', 'Asia/Chita'), ('Asia/Choibalsan', 'Asia/Choibalsan'), ('Asia/Chongqing', 'Asia/Chongqing'), ('Asia/Chungking', 'Asia/Chungking'), ('Asia/Colombo', 'Asia/Colombo'), ('Asia/Dacca', 'Asia/Dacca'), ('Asia/Damascus', 'Asia/Damascus'), ('Asia/Dhaka', 'Asia/Dhaka'), ('Asia/Dili', 'Asia/Dili'), ('Asia/Dubai', 'Asia/Dubai'), ('Asia/Dushanbe', 'Asia/Dushanbe'), ('Asia/Famagusta', 'Asia/Famagusta'), ('Asia/Gaza', 'Asia/Gaza'), ('Asia/Harbin', 'Asia/Harbin'), ('Asia/Hebron', 'Asia/Hebron'), ('Asia/Ho_Chi_Minh', 'Asia/Ho_Chi_Minh'), ('Asia/Hong_Kong', 'Asia/Hong_Kong'), ('Asia/Hovd', 'Asia/Hovd'), ('Asia/Irkutsk', 'Asia/Irkutsk'), ('Asia/Istanbul', 'Asia/Istanbul'), ('Asia/Jakarta', 'Asia/Jakarta'), ('Asia/Jayapura', 'Asia/Jayapura'), ('Asia/Jerusalem', 'Asia/Jerusalem'), ('Asia/Kabul', 'Asia/Kabul'), ('Asia/Kamchatka', 'Asia/Kamchatka'), ('Asia/Karachi', 'Asia/Karachi'), ('Asia/Kashgar', 'Asia/Kashgar'), ('Asia/Kathmandu', 'Asia/Kathmandu'), ('Asia/Katmandu', 'Asia/Katmandu'), ('Asia/Khandyga', 'Asia/Khandyga'), ('Asia/Kolkata', 'Asia/Kolkata'), ('Asia/Krasnoyarsk', 'Asia/Krasnoyarsk'), ('Asia/Kuala_Lumpur', 'Asia/Kuala_Lumpur'), ('Asia/Kuching', 'Asia/Kuching'), ('Asia/Kuwait', 'Asia/Kuwait'), ('Asia/Macao', 'Asia/Macao'), ('Asia/Macau', 'Asia/Macau'), ('Asia/Magadan', 'Asia/Magadan'), ('Asia/Makassar', 'Asia/Makassar'), ('Asia/Manila', 'Asia/Manila'), ('Asia/Muscat', 'Asia/Muscat'), ('Asia/Nicosia', 'Asia/Nicosia'), ('Asia/Novokuznetsk', 'Asia/Novokuznetsk'), ('Asia/Novosibirsk', 'Asia/Novosibirsk'), ('Asia/Omsk', 'Asia/Omsk'), ('Asia/Oral', 'Asia/Oral'), ('Asia/Phnom_Penh', 'Asia/Phnom_Penh'), ('Asia/Pontianak', 'Asia/Pontianak'), ('Asia/Pyongyang', 'Asia/Pyongyang'), ('Asia/Qatar', 'Asia/Qatar'), ('Asia/Qostanay', 'Asia/Qostanay'), ('Asia/Qyzylorda', 'Asia/Qyzylorda'), ('Asia/Rangoon', 'Asia/Rangoon'), ('Asia/Riyadh', 'Asia/Riyadh'), ('Asia/Saigon', 'Asia/Saigon'), ('Asia/Sakhalin', 'Asia/Sakhalin'), ('Asia/Samarkand', 'Asia/Samarkand'), ('Asia/Seoul', 'Asia/Seoul'), ('Asia/Shanghai', 'Asia/Shanghai'), ('Asia/Singapore', 'Asia/Singapore'), ('Asia/Srednekolymsk', 'Asia/Srednekolymsk'), ('Asia/Taipei', 'Asia/Taipei'), ('Asia/Tashkent', 'Asia/Tashkent'), ('Asia/Tbilisi', 'Asia/Tbilisi'), ('Asia/Tehran', 'Asia/Tehran'), ('Asia/Tel_Aviv', 'Asia/Tel_Aviv'), ('Asia/Thimbu', 'Asia/Thimbu'), ('Asia/Thimphu', 'Asia/Thimphu'), ('Asia/Tokyo', 'Asia/Tokyo'), ('Asia/Tomsk', 'Asia/Tomsk'), ('Asia/Ujung_Pandang', 'Asia/Ujung_Pandang'), ('Asia/Ulaanbaatar', 'Asia/Ulaanbaatar'), ('Asia/Ulan_Bator', 'Asia/Ulan_Bator'), ('Asia/Urumqi', 'Asia/Urumqi'), ('Asia/Ust-Nera', 'Asia/Ust-Nera'), ('Asia/Vientiane', 'Asia/Vientiane'), ('Asia/Vladivostok', 'Asia/Vladivostok'), ('Asia/Yakutsk', 'Asia/Yakutsk'), ('Asia/Yangon', 'Asia/Yangon'), ('Asia/Yekaterinburg', 'Asia/Yekaterinburg'), ('Asia/Yerevan', 'Asia/Yerevan'), ('Atlantic/Azores', 'Atlantic/Azores'), ('Atlantic/Bermuda', 'Atlantic/Bermuda'), ('Atlantic/Canary', 'Atlantic/Canary'), ('Atlantic/Cape_Verde', 'Atlantic/Cape_Verde'), ('Atlantic/Faeroe', 'Atlantic/Faeroe'), ('Atlantic/Faroe', 'Atlantic/Faroe'), ('Atlantic/Jan_Mayen', 'Atlantic/Jan_Mayen'), ('Atlantic/Madeira', 'Atlantic/Madeira'), ('Atlantic/Reykjavik', 'Atlantic/Reykjavik'), ('Atlantic/South_Georgia', 'Atlantic/South_Georgia'), ('Atlantic/St_Helena', 'Atlantic/St_Helena'), ('Atlantic/Stanley', 'Atlantic/Stanley'), ('Australia/ACT', 'Australia/ACT'), ('Australia/Adelaide', 'Australia/Adelaide'), ('Australia/Brisbane', 'Australia/Brisbane'), ('Australia/Broken_Hill', 'Australia/Broken_Hill'), ('Australia/Canberra', 'Australia/Canberra'), ('Australia/Currie', 'Australia/Currie'), ('Australia/Darwin', 'Australia/Darwin'), ('Australia/Eucla', 'Australia/Eucla'), ('Australia/Hobart', 'Australia/Hobart'), ('Australia/LHI', 'Australia/LHI'), ('Australia/Lindeman', 'Australia/Lindeman'), ('Australia/Lord_Howe', 'Australia/Lord_Howe'), ('Australia/Melbourne', 'Australia/Melbourne'), ('Australia/NSW', 'Australia/NSW'), ('Australia/North', 'Australia/North'), ('Australia/Perth', 'Australia/Perth'), ('Australia/Queensland', 'Australia/Queensland'), ('Australia/South', 'Australia/South'), ('Australia/Sydney', 'Australia/Sydney'), ('Australia/Tasmania', 'Australia/Tasmania'), ('Australia/Victoria', 'Australia/Victoria'), ('Australia/West', 'Australia/West'), ('Australia/Yancowinna', 'Australia/Yancowinna'), ('Brazil/Acre', 'Brazil/Acre'), ('Brazil/DeNoronha', 'Brazil/DeNoronha'), ('Brazil/East', 'Brazil/East'), ('Brazil/West', 'Brazil/West'), ('CET', 'CET'), ('CST6CDT', 'CST6CDT'), ('Canada/Atlantic', 'Canada/Atlantic'), ('Canada/Central', 'Canada/Central'), ('Canada/Eastern', 'Canada/Eastern'), ('Canada/Mountain', 'Canada/Mountain'), ('Canada/Newfoundland', 'Canada/Newfoundland'), ('Canada/Pacific', 'Canada/Pacific'), ('Canada/Saskatchewan', 'Canada/Saskatchewan'), ('Canada/Yukon', 'Canada/Yukon'), ('Chile/Continental', 'Chile/Continental'), ('Chile/EasterIsland', 'Chile/EasterIsland'), ('Cuba', 'Cuba'), ('EET', 'EET'), ('EST', 'EST'), ('EST5EDT', 'EST5EDT'), ('Egypt', 'Egypt'), ('Eire', 'Eire'), ('Etc/GMT', 'Etc/GMT'), ('Etc/GMT+0', 'Etc/GMT+0'), ('Etc/GMT+1', 'Etc/GMT+1'), ('Etc/GMT+10', 'Etc/GMT+10'), ('Etc/GMT+11', 'Etc/GMT+11'), ('Etc/GMT+12', 'Etc/GMT+12'), ('Etc/GMT+2', 'Etc/GMT+2'), ('Etc/GMT+3', 'Etc/GMT+3'), ('Etc/GMT+4', 'Etc/GMT+4'), ('Etc/GMT+5', 'Etc/GMT+5'), ('Etc/GMT+6', 'Etc/GMT+6'), ('Etc/GMT+7', 'Etc/GMT+7'), ('Etc/GMT+8', 'Etc/GMT+8'), ('Etc/GMT+9', 'Etc/GMT+9'), ('Etc/GMT-0', 'Etc/GMT-0'), ('Etc/GMT-1', 'Etc/GMT-1'), ('Etc/GMT-10', 'Etc/GMT-10'), ('Etc/GMT-11', 'Etc/GMT-11'), ('Etc/GMT-12', 'Etc/GMT-12'), ('Etc/GMT-13', 'Etc/GMT-13'), ('Etc/GMT-14', 'Etc/GMT-14'), ('Etc/GMT-2', 'Etc/GMT-2'), ('Etc/GMT-3', 'Etc/GMT-3'), ('Etc/GMT-4', 'Etc/GMT-4'), ('Etc/GMT-5', 'Etc/GMT-5'), ('Etc/GMT-6', 'Etc/GMT-6'), ('Etc/GMT-7', 'Etc/GMT-7'), ('Etc/GMT-8', 'Etc/GMT-8'), ('Etc/GMT-9', 'Etc/GMT-9'), ('Etc/GMT0', 'Etc/GMT0'), ('Etc/Greenwich', 'Etc/Greenwich'), ('Etc/UCT', 'Etc/UCT'), ('Etc/UTC', 'Etc/UTC'), ('Etc/Universal', 'Etc/Universal'), ('Etc/Zulu', 'Etc/Zulu'), ('Europe/Amsterdam', 'Europe/Amsterdam'), ('Europe/Andorra', 'Europe/Andorra'), ('Europe/Astrakhan', 'Europe/Astrakhan'), ('Europe/Athens', 'Europe/Athens'), ('Europe/Belfast', 'Europe/Belfast'), ('Europe/Belgrade', 'Europe/Belgrade'), ('Europe/Berlin', 'Europe/Berlin'), ('Europe/Bratislava', 'Europe/Bratislava'), ('Europe/Brussels', 'Europe/Brussels'), ('Europe/Bucharest', 'Europe/Bucharest'), ('Europe/Budapest', 'Europe/Budapest'), ('Europe/Busingen', 'Europe/Busingen'), ('Europe/Chisinau', 'Europe/Chisinau'), ('Europe/Copenhagen', 'Europe/Copenhagen'), ('Europe/Dublin', 'Europe/Dublin'), ('Europe/Gibraltar', 'Europe/Gibraltar'), ('Europe/Guernsey', 'Europe/Guernsey'), ('Europe/Helsinki', 'Europe/Helsinki'), ('Europe/Isle_of_Man', 'Europe/Isle_of_Man'), ('Europe/Istanbul', 'Europe/Istanbul'), ('Europe/Jersey', 'Europe/Jersey'), ('Europe/Kaliningrad', 'Europe/Kaliningrad'), ('Europe/Kiev', 'Europe/Kiev'), ('Europe/Kirov', 'Europe/Kirov'), ('Europe/Kyiv', 'Europe/Kyiv'), ('Europe/Lisbon', 'Europe/Lisbon'), ('Europe/Ljubljana', 'Europe/Ljubljana'), ('Europe/London', 'Europe/London'), ('Europe/Luxembourg', 'Europe/Luxembourg'), ('Europe/Madrid', 'Europe/Madrid'), ('Europe/Malta', 'Europe/Malta'), ('Europe/Mariehamn', 'Europe/Mariehamn'), ('Europe/Minsk', 'Europe/Minsk'), ('Europe/Monaco', 'Europe/Monaco'), ('Europe/Moscow', 'Europe/Moscow'), ('Europe/Nicosia', 'Europe/Nicosia'), ('Europe/Oslo', 'Europe/Oslo'), ('Europe/Paris', 'Europe/Paris'), ('Europe/Podgorica', 'Europe/Podgorica'), ('Europe/Prague', 'Europe/Prague'), ('Europe/Riga', 'Europe/Riga'), ('Europe/Rome', 'Europe/Rome'), ('Europe/Samara', 'Europe/Samara'), ('Europe/San_Marino', 'Europe/San_Marino'), ('Europe/Sarajevo', 'Europe/Sarajevo'), ('Europe/Saratov', 'Europe/Saratov'), ('Europe/Simferopol', 'Europe/Simferopol'), ('Europe/Skopje', 'Europe/Skopje'), ('Europe/Sofia', 'Europe/Sofia'), ('Europe/Stockholm', 'Europe/Stockholm'), ('Europe/Tallinn', 'Europe/Tallinn'), ('Europe/Tirane', 'Europe/Tirane'), ('Europe/Tiraspol', 'Europe/Tiraspol'), ('Europe/Ulyanovsk', 'Europe/Ulyanovsk'), ('Europe/Uzhgorod', 'Europe/Uzhgorod'), ('Europe/Vaduz', 'Europe/Vaduz'), ('Europe/Vatican', 'Europe/Vatican'), ('Europe/Vienna', 'Europe/Vienna'), ('Europe/Vilnius', 'Europe/Vilnius'), ('Europe/Volgograd', 'Europe/Volgograd'), ('Europe/Warsaw', 'Europe/Warsaw'), ('Europe/Zagreb', 'Europe/Zagreb'), ('Europe/Zaporozhye', 'Europe/Zaporozhye'), ('Europe/Zurich', 'Europe/Zurich'), ('Factory', 'Factory'), ('GB', 'GB'), ('GB-Eire', 'GB-Eire'), ('GMT', 'GMT'), ('GMT+0', 'GMT+0'), ('GMT-0', 'GMT-0'), ('GMT0', 'GMT0'), ('Greenwich', 'Greenwich'), ('HST', 'HST'), ('Hongkong', 'Hongkong'), ('Iceland', 'Iceland'), ('Indian/Antananarivo', 'Indian/Antananarivo'), ('Indian/Chagos', 'Indian/Chagos'), ('Indian/Christmas', 'Indian/Christmas'), ('Indian/Cocos', 'Indian/Cocos'), ('Indian/Comoro', 'Indian/Comoro'), ('Indian/Kerguelen', 'Indian/Kerguelen'), ('Indian/Mahe', 'Indian/Mahe'), ('Indian/Maldives', 'Indian/Maldives'), ('Indian/Mauritius', 'Indian/Mauritius'), ('Indian/Mayotte', 'Indian/Mayotte'), ('Indian/Reunion', 'Indian/Reunion'), ('Iran', 'Iran'), ('Israel', 'Israel'), ('Jamaica', 'Jamaica'), ('Japan', 'Japan'), ('Kwajalein', 'Kwajalein'), ('Libya', 'Libya'), ('MET', 'MET'), ('MST', 'MST'), ('MST7MDT', 'MST7MDT'), ('Mexico/BajaNorte', 'Mexico/BajaNorte'), ('Mexico/BajaSur', 'Mexico/BajaSur'), ('Mexico/General', 'Mexico/General'), ('NZ', 'NZ'), ('NZ-CHAT', 'NZ-CHAT'), ('Navajo', 'Navajo'), ('PRC', 'PRC'), ('PST8PDT', 'PST8PDT'), ('Pacific/Apia', 'Pacific/Apia'), ('Pacific/Auckland', 'Pacific/Auckland'), ('Pacific/Bougainville', 'Pacific/Bougainville'), ('Pacific/Chatham', 'Pacific/Chatham'), ('Pacific/Chuuk', 'Pacific/Chuuk'), ('Pacific/Easter', 'Pacific/Easter'), ('Pacific/Efate', 'Pacific/Efate'), ('Pacific/Enderbury', 'Pacific/Enderbury'), ('Pacific/Fakaofo', 'Pacific/Fakaofo'), ('Pacific/Fiji', 'Pacific/Fiji'), ('Pacific/Funafuti', 'Pacific/Funafuti'), ('Pacific/Galapagos', 'Pacific/Galapagos'), ('Pacific/Gambier', 'Pacific/Gambier'), ('Pacific/Guadalcanal', 'Pacific/Guadalcanal'), ('Pacific/Guam', 'Pacific/Guam'), ('Pacific/Honolulu', 'Pacific/Honolulu'), ('Pacific/Johnston', 'Pacific/Johnston'), ('Pacific/Kanton', 'Pacific/Kanton'), ('Pacific/Kiritimati', 'Pacific/Kiritimati'), ('Pacific/Kosrae', 'Pacific/Kosrae'), ('Pacific/Kwajalein', 'Pacific/Kwajalein'), ('Pacific/Majuro', 'Pacific/Majuro'), ('Pacific/Marquesas', 'Pacific/Marquesas'), ('Pacific/Midway', 'Pacific/Midway'), ('Pacific/Nauru', 'Pacific/Nauru'), ('Pacific/Niue', 'Pacific/Niue'), ('Pacific/Norfolk', 'Pacific/Norfolk'), ('Pacific/Noumea', 'Pacific/Noumea'), ('Pacific/Pago_Pago', 'Pacific/Pago_Pago'), ('Pacific/Palau', 'Pacific/Palau'), ('Pacific/Pitcairn', 'Pacific/Pitcairn'), ('Pacific/Pohnpei', 'Pacific/Pohnpei'), ('Pacific/Ponape', 'Pacific/Ponape'), ('Pacific/Port_Moresby', 'Pacific/Port_Moresby'), ('Pacific/Rarotonga', 'Pacific/Rarotonga'), ('Pacific/Saipan', 'Pacific/Saipan'), ('Pacific/Samoa', 'Pacific/Samoa'), ('Pacific/Tahiti', 'Pacific/Tahiti'), ('Pacific/Tarawa', 'Pacific/Tarawa'), ('Pacific/Tongatapu', 'Pacific/Tongatapu'), ('Pacific/Truk', 'Pacific/Truk'), ('Pacific/Wake', 'Pacific/Wake'), ('Pacific/Wallis', 'Pacific/Wallis'), ('Pacific/Yap', 'Pacific/Yap'), ('Poland', 'Poland'), ('Portugal', 'Portugal'), ('ROC', 'ROC'), ('ROK', 'ROK'), ('Singapore', 'Singapore'), ('Turkey', 'Turkey'), ('UCT', 'UCT'), ('US/Alaska', 'US/Alaska'), ('US/Aleutian', 'US/Aleutian'), ('US/Arizona', 'US/Arizona'), ('US/Central', 'US/Central'), ('US/East-Indiana', 'US/East-Indiana'), ('US/Eastern', 'US/Eastern'), ('US/Hawaii', 'US/Hawaii'), ('US/Indiana-Starke', 'US/Indiana-Starke'), ('US/Michigan', 'US/Michigan'), ('US/Mountain', 'US/Mountain'), ('US/Pacific', 'US/Pacific'), ('US/Samoa', 'US/Samoa'), ('UTC', 'UTC'), ('Universal', 'Universal'), ('W-SU', 'W-SU'), ('WET', 'WET'), ('Zulu', 'Zulu')], default='CET', max_length=50, null=True), + ), + ]