本文整理汇总了Python中gunicorn.errors.HaltServer方法的典型用法代码示例。如果您正苦于以下问题：Python errors.HaltServer方法的具体用法？Python errors.HaltServer怎么用？Python errors.HaltServer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gunicorn.errors的用法示例。
在下文中一共展示了errors.HaltServer方法的5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: reap_workers
# 需要导入模块: from gunicorn import errors [as 别名]
# 或者: from gunicorn.errors import HaltServer [as 别名]
def reap_workers(self):
"""\
Reap workers to avoid zombie processes
"""
try:
while True:
wpid, status = os.waitpid(-1, os.WNOHANG)
if not wpid:
break
if self.reexec_pid == wpid:
self.reexec_pid = 0
else:
# A worker said it cannot boot. We'll shutdown
# to avoid infinite start/stop cycles.
exitcode = status >> 8
if exitcode == self.WORKER_BOOT_ERROR:
reason = "Worker failed to boot."
raise HaltServer(reason, self.WORKER_BOOT_ERROR)
if exitcode == self.APP_LOAD_ERROR:
reason = "App failed to load."
raise HaltServer(reason, self.APP_LOAD_ERROR)
worker = self.WORKERS.pop(wpid, None)
if not worker:
continue
worker.tmp.close()
except OSError as e:
if e.errno != errno.ECHILD:
raise 示例2: reap_workers
# 需要导入模块: from gunicorn import errors [as 别名]
# 或者: from gunicorn.errors import HaltServer [as 别名]
def reap_workers(self):
"""\
Reap workers to avoid zombie processes
"""
try:
while True:
wpid, status = os.waitpid(-1, os.WNOHANG)
if not wpid:
break
if self.reexec_pid == wpid:
self.reexec_pid = 0
else:
# A worker was terminated. If the termination reason was
# that it could not boot, we'll shut it down to avoid
# infinite start/stop cycles.
exitcode = status >> 8
if exitcode == self.WORKER_BOOT_ERROR:
reason = "Worker failed to boot."
raise HaltServer(reason, self.WORKER_BOOT_ERROR)
if exitcode == self.APP_LOAD_ERROR:
reason = "App failed to load."
raise HaltServer(reason, self.APP_LOAD_ERROR)
worker = self.WORKERS.pop(wpid, None)
if not worker:
continue
worker.tmp.close()
self.cfg.child_exit(self, worker)
except OSError as e:
if e.errno != errno.ECHILD:
raise 示例3: run
# 需要导入模块: from gunicorn import errors [as 别名]
# 或者: from gunicorn.errors import HaltServer [as 别名]
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
try:
self.manage_workers()
while True:
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop:\n%s",
traceback.format_exc())
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1) 示例4: run
# 需要导入模块: from gunicorn import errors [as 别名]
# 或者: from gunicorn.errors import HaltServer [as 别名]
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
try:
self.manage_workers()
while True:
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop",
exc_info=True)
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1) 示例5: run
# 需要导入模块: from gunicorn import errors [as 别名]
# 或者: from gunicorn.errors import HaltServer [as 别名]
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
try:
self.manage_workers()
while True:
self.maybe_promote_master()
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop",
exc_info=True)
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1)