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Fixed #6064 -- Added the connection_created
signal for when a database connection is created.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@10182 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -25,6 +25,7 @@ from MySQLdb.converters import conversions
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from MySQLdb.constants import FIELD_TYPE, FLAG
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from django.db.backends import *
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from django.db.backends.signals import connection_created
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from django.db.backends.mysql.client import DatabaseClient
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from django.db.backends.mysql.creation import DatabaseCreation
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from django.db.backends.mysql.introspection import DatabaseIntrospection
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@ -277,6 +278,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
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self.connection = Database.connect(**kwargs)
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self.connection.encoders[SafeUnicode] = self.connection.encoders[unicode]
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self.connection.encoders[SafeString] = self.connection.encoders[str]
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connection_created.send(sender=self.__class__)
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cursor = CursorWrapper(self.connection.cursor())
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return cursor
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@ -25,6 +25,7 @@ except ImportError, e:
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raise ImproperlyConfigured("Error loading cx_Oracle module: %s" % e)
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from django.db.backends import *
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from django.db.backends.signals import connection_created
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from django.db.backends.oracle import query
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from django.db.backends.oracle.client import DatabaseClient
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from django.db.backends.oracle.creation import DatabaseCreation
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@ -329,6 +330,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
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# Django docs specify cx_Oracle version 4.3.1 or higher, but
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# stmtcachesize is available only in 4.3.2 and up.
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pass
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connection_created.send(sender=self.__class__)
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if not cursor:
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cursor = FormatStylePlaceholderCursor(self.connection)
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return cursor
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@ -5,6 +5,7 @@ Requires psycopg 1: http://initd.org/projects/psycopg1
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"""
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from django.db.backends import *
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from django.db.backends.signals import connection_created
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from django.db.backends.postgresql.client import DatabaseClient
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from django.db.backends.postgresql.creation import DatabaseCreation
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from django.db.backends.postgresql.introspection import DatabaseIntrospection
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@ -114,6 +115,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
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conn_string += " port=%s" % settings_dict['DATABASE_PORT']
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self.connection = Database.connect(conn_string, **settings_dict['DATABASE_OPTIONS'])
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self.connection.set_isolation_level(1) # make transactions transparent to all cursors
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connection_created.send(sender=self.__class__)
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cursor = self.connection.cursor()
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if set_tz:
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cursor.execute("SET TIME ZONE %s", [settings_dict['TIME_ZONE']])
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@ -6,6 +6,7 @@ Requires psycopg 2: http://initd.org/projects/psycopg2
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from django.conf import settings
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from django.db.backends import *
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from django.db.backends.signals import connection_created
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from django.db.backends.postgresql.operations import DatabaseOperations as PostgresqlDatabaseOperations
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from django.db.backends.postgresql.client import DatabaseClient
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from django.db.backends.postgresql.creation import DatabaseCreation
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@ -96,6 +97,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
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conn_params['port'] = settings_dict['DATABASE_PORT']
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self.connection = Database.connect(**conn_params)
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self.connection.set_client_encoding('UTF8')
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connection_created.send(sender=self.__class__)
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cursor = self.connection.cursor()
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cursor.tzinfo_factory = None
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if set_tz:
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6
django/db/backends/signals.py
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6
django/db/backends/signals.py
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@ -0,0 +1,6 @@
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from django.dispatch import Signal
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connection_created = Signal()
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from django.dispatch import Signal
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connection_created = Signal()
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@ -8,6 +8,7 @@ standard library.
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"""
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from django.db.backends import *
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from django.db.backends.signals import connection_created
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from django.db.backends.sqlite3.client import DatabaseClient
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from django.db.backends.sqlite3.creation import DatabaseCreation
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from django.db.backends.sqlite3.introspection import DatabaseIntrospection
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@ -171,6 +172,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
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self.connection.create_function("django_extract", 2, _sqlite_extract)
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self.connection.create_function("django_date_trunc", 2, _sqlite_date_trunc)
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self.connection.create_function("regexp", 2, _sqlite_regexp)
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connection_created.send(sender=self.__class__)
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return self.connection.cursor(factory=SQLiteCursorWrapper)
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def close(self):
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@ -1,13 +1,10 @@
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# -*- coding: utf-8 -*-
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# Unit tests for specific database backends.
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# Unit and doctests for specific database backends.
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import unittest
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from django.db import connection
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from django.db.backends.signals import connection_created
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from django.conf import settings
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class Callproc(unittest.TestCase):
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def test_dbms_session(self):
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@ -21,6 +18,23 @@ class Callproc(unittest.TestCase):
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else:
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return True
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def connection_created_test(sender, **kwargs):
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print 'connection_created signal'
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__test__ = {'API_TESTS': ''}
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# Unfortunately with sqlite3 the in-memory test database cannot be
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# closed, and so it cannot be re-opened during testing, and so we
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# sadly disable this test for now.
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if settings.DATABASE_ENGINE != 'sqlite3':
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__test__['API_TESTS'] += """
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>>> connection_created.connect(connection_created_test)
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>>> connection.close() # Ensure the connection is closed
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>>> cursor = connection.cursor()
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connection_created signal
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>>> connection_created.disconnect(connection_created_test)
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>>> cursor = connection.cursor()
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"""
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if __name__ == '__main__':
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unittest.main()
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