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from django.apps import AppConfig
from django.db import connections
from django.db.backends.signals import connection_created
from django.db.models import CharField, TextField
from django.utils.translation import gettext_lazy as _
from .lookups import SearchLookup, TrigramSimilar, Unaccent
from .signals import register_type_handlers
class PostgresConfig(AppConfig):
name = 'django.contrib.postgres'
verbose_name = _('PostgreSQL extensions')
def ready(self):
# Connections may already exist before we are called.
for conn in connections.all():
if conn.vendor == 'postgresql':
conn.introspection.data_types_reverse.update({
3802: 'django.contrib.postgresql.fields.JSONField',
3904: 'django.contrib.postgresql.fields.IntegerRangeField',
3906: 'django.contrib.postgresql.fields.FloatRangeField',
3910: 'django.contrib.postgresql.fields.DateTimeRangeField',
3912: 'django.contrib.postgresql.fields.DateRangeField',
3926: 'django.contrib.postgresql.fields.BigIntegerRangeField',
})
if conn.connection is not None:
register_type_handlers(conn)
connection_created.connect(register_type_handlers)
CharField.register_lookup(Unaccent)
TextField.register_lookup(Unaccent)
CharField.register_lookup(SearchLookup)
TextField.register_lookup(SearchLookup)
CharField.register_lookup(TrigramSimilar)
TextField.register_lookup(TrigramSimilar)
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