本文整理汇总了Python中database.DBSession.expunge方法的典型用法代码示例。如果您正苦于以下问题：Python DBSession.expunge方法的具体用法？Python DBSession.expunge怎么用？Python DBSession.expunge使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类database.DBSession的用法示例。
在下文中一共展示了DBSession.expunge方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: process
# 需要导入模块: from database import DBSession [as 别名]
# 或者: from database.DBSession import expunge [as 别名]
def process(self):
db_session = DBSession()
host_id = None
inventory_job = None
ctx = None
try:
inventory_job = db_session.query(InventoryJob).filter(InventoryJob.id == self.job_id).first()
if inventory_job is None:
logger.error('Unable to retrieve inventory job: %s' % self.job_id)
return
host_id = inventory_job.host_id
host = db_session.query(Host).filter(Host.id == host_id).first()
if host is None:
logger.error('Unable to retrieve host: %s' % host_id)
handler_class = get_inventory_handler_class(host.platform)
if handler_class is None:
logger.error('Unable to get handler for %s, inventory job %s', host.platform, self.job_id)
inventory_job.set_status(JobStatus.PROCESSING)
inventory_job.session_log = create_log_directory(host.connection_param[0].host_or_ip, inventory_job.id)
db_session.commit()
# Delegates the get_software logic to the handler
ctx = InventoryContext(host, db_session, inventory_job)
handler = handler_class()
handler.execute(ctx)
if ctx.success:
archive_inventory_job(db_session, inventory_job, JobStatus.COMPLETED)
else:
# removes the host object as host.packages may have been modified.
db_session.expunge(host)
archive_inventory_job(db_session, inventory_job, JobStatus.FAILED)
# Reset the pending retrieval flag
inventory_job.pending_submit = False
db_session.commit()
except:
try:
logger.exception('InventoryManager hit exception - inventory job = %s', self.job_id)
archive_inventory_job(db_session, inventory_job, JobStatus.FAILED, trace=sys.exc_info)
# Reset the pending retrieval flag
inventory_job.pending_submit = False
db_session.commit()
except:
logger.exception('InventoryManager hit exception - inventory job = %s', self.job_id)
finally:
with lock:
if self.job_id is not None and self.job_id in in_progress_jobs: del in_progress_jobs[self.job_id]
db_session.close()