AlkantarClanX12
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# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
class Error(Exception):
"""Base exception class. All other psutil exceptions inherit
from this one.
"""
def __init__(self, msg=""):
Exception.__init__(self, msg)
self.msg = msg
def __repr__(self):
ret = "psutil.%s %s" % (self.__class__.__name__, self.msg)
return ret.strip()
__str__ = __repr__
class NoSuchProcess(Error):
"""Exception raised when a process with a certain PID doesn't
or no longer exists.
"""
def __init__(self, pid, name=None, msg=None):
Error.__init__(self, msg)
self.pid = pid
self.name = name
self.msg = msg
if msg is None:
if name:
details = "(pid=%s, name=%s)" % (self.pid, repr(self.name))
else:
details = "(pid=%s)" % self.pid
self.msg = "process no longer exists " + details
class ZombieProcess(NoSuchProcess):
"""Exception raised when querying a zombie process. This is
raised on OSX, BSD and Solaris only, and not always: depending
on the query the OS may be able to succeed anyway.
On Linux all zombie processes are querable (hence this is never
raised). Windows doesn't have zombie processes.
"""
def __init__(self, pid, name=None, ppid=None, msg=None):
NoSuchProcess.__init__(self, msg)
self.pid = pid
self.ppid = ppid
self.name = name
self.msg = msg
if msg is None:
args = ["pid=%s" % pid]
if name:
args.append("name=%s" % repr(self.name))
if ppid:
args.append("ppid=%s" % self.ppid)
details = "(%s)" % ", ".join(args)
self.msg = "process still exists but it's a zombie " + details
class AccessDenied(Error):
"""Exception raised when permission to perform an action is denied."""
def __init__(self, pid=None, name=None, msg=None):
Error.__init__(self, msg)
self.pid = pid
self.name = name
self.msg = msg
if msg is None:
if (pid is not None) and (name is not None):
self.msg = "(pid=%s, name=%s)" % (pid, repr(name))
elif (pid is not None):
self.msg = "(pid=%s)" % self.pid
else:
self.msg = ""
class TimeoutExpired(Error):
"""Raised on Process.wait(timeout) if timeout expires and process
is still alive.
"""
def __init__(self, seconds, pid=None, name=None):
Error.__init__(self, "timeout after %s seconds" % seconds)
self.seconds = seconds
self.pid = pid
self.name = name
if (pid is not None) and (name is not None):
self.msg += " (pid=%s, name=%s)" % (pid, repr(name))
elif (pid is not None):
self.msg += " (pid=%s)" % self.pid