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  • Committer: Package Import Robot
  • Author(s): Raphaël Hertzog
  • Date: 2014-09-17 14:15:11 UTC
  • mfrom: (1.3.17) (6.2.18 experimental)
  • Revision ID: package-import@ubuntu.com-20140917141511-icneokthe9ww5sk4
Tags: 1.7-2
* Release to unstable.
* Add a migrate-south sample script to help users apply their South
  migrations. Thanks to Brian May.

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django/db/__init__.py
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import warnings
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from django.core import signals
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from django.db.utils import (DEFAULT_DB_ALIAS,
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    DataError, OperationalError, IntegrityError, InternalError,
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    ProgrammingError, NotSupportedError, DatabaseError,
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    InterfaceError, Error,
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    load_backend, ConnectionHandler, ConnectionRouter)
 
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from django.db.utils import (DEFAULT_DB_ALIAS, DataError, OperationalError,
 
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    IntegrityError, InternalError, ProgrammingError, NotSupportedError,
 
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    DatabaseError, InterfaceError, Error, load_backend,
 
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    ConnectionHandler, ConnectionRouter)
 
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from django.utils.deprecation import RemovedInDjango18Warning
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from django.utils.functional import cached_property
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__all__ = ('backend', 'connection', 'connections', 'router', 'DatabaseError',
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    'IntegrityError', 'DEFAULT_DB_ALIAS')
 
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__all__ = [
 
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    'backend', 'connection', 'connections', 'router', 'DatabaseError',
 
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    'IntegrityError', 'InternalError', 'ProgrammingError', 'DataError',
 
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    'NotSupportedError', 'Error', 'InterfaceError', 'OperationalError',
 
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    'DEFAULT_DB_ALIAS'
 
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]
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connections = ConnectionHandler()
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router = ConnectionRouter()
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# `connection`, `DatabaseError` and `IntegrityError` are convenient aliases
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# for backend bits.
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    def __delattr__(self, name):
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        return delattr(connections[DEFAULT_DB_ALIAS], name)
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    def __eq__(self, other):
 
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        return connections[DEFAULT_DB_ALIAS] == other
 
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    def __ne__(self, other):
 
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        return connections[DEFAULT_DB_ALIAS] != other
 
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connection = DefaultConnectionProxy()
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class DefaultBackendProxy(object):
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    """
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    Temporary proxy class used during deprecation period of the `backend` module
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    @cached_property
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    def _backend(self):
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        warnings.warn("Accessing django.db.backend is deprecated.",
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            PendingDeprecationWarning, stacklevel=2)
 
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            RemovedInDjango18Warning, stacklevel=2)
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        return load_backend(connections[DEFAULT_DB_ALIAS].settings_dict['ENGINE'])
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    def __getattr__(self, item):
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backend = DefaultBackendProxy()
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def close_connection(**kwargs):
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    warnings.warn(
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        "close_connection is superseded by close_old_connections.",
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        PendingDeprecationWarning, stacklevel=2)
 
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        RemovedInDjango18Warning, stacklevel=2)
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    # Avoid circular imports
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    from django.db import transaction
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    for conn in connections:
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        transaction.abort(conn)
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        connections[conn].close()
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# Register an event to reset saved queries when a Django request is started.
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def reset_queries(**kwargs):
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    for conn in connections.all():
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        conn.queries = []
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signals.request_started.connect(reset_queries)
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# Register an event to reset transaction state and close connections past
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# their lifetime. NB: abort() doesn't do anything outside of a transaction.
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def close_old_connections(**kwargs):