def set_rollback():
if hasattr(transaction, 'set_rollback'):
if connection.settings_dict.get('ATOMIC_REQUESTS', False):
# If running in >=1.6 then mark a rollback as required,
# and allow it to be handled by Django.
if connection.in_atomic_block:
transaction.set_rollback(True)
elif transaction.is_managed():
# Otherwise handle it explicitly if in managed mode.
if transaction.is_dirty():
transaction.rollback()
transaction.leave_transaction_management()
else:
# transaction not managed
pass
python类is_dirty()的实例源码
def set_rollback():
if hasattr(transaction, 'set_rollback'):
if connection.settings_dict.get('ATOMIC_REQUESTS', False):
# If running in >=1.6 then mark a rollback as required,
# and allow it to be handled by Django.
if connection.in_atomic_block:
transaction.set_rollback(True)
elif transaction.is_managed():
# Otherwise handle it explicitly if in managed mode.
if transaction.is_dirty():
transaction.rollback()
transaction.leave_transaction_management()
else:
# transaction not managed
pass
def process_response(selfself, request, response):
if transaction.is_managed():
if transaction.is_dirty():
successful = not isinstance(response, http.HttpApplicationError)
if successful:
transaction.commit()
else:
transaction.rollback()
transaction.leave_transaction_management()
return response
def set_rollback():
if hasattr(transaction, 'set_rollback'):
if connection.settings_dict.get('ATOMIC_REQUESTS', False):
# If running in >=1.6 then mark a rollback as required,
# and allow it to be handled by Django.
if connection.in_atomic_block:
transaction.set_rollback(True)
elif transaction.is_managed():
# Otherwise handle it explicitly if in managed mode.
if transaction.is_dirty():
transaction.rollback()
transaction.leave_transaction_management()
else:
# transaction not managed
pass
def set_rollback():
if hasattr(transaction, 'set_rollback'):
if connection.settings_dict.get('ATOMIC_REQUESTS', False):
# If running in >=1.6 then mark a rollback as required,
# and allow it to be handled by Django.
if connection.in_atomic_block:
transaction.set_rollback(True)
elif transaction.is_managed():
# Otherwise handle it explicitly if in managed mode.
if transaction.is_dirty():
transaction.rollback()
transaction.leave_transaction_management()
else:
# transaction not managed
pass