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# Copyright (c) 2009, Jay Loden, 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.
"""psutil exception classes.
Not supposed to be used / imported directly.
Instead use psutil.NoSuchProcess, etc.
"""
class Error(Exception):
"""Base exception class. All other psutil exceptions inherit
from this one.
"""
class NoSuchProcess(Error):
"""Exception raised when a process with a certain PID doesn't
or no longer exists (zombie).
"""
def __init__(self, pid, name=None, msg=None):
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
def __str__(self):
return self.msg
class AccessDenied(Error):
"""Exception raised when permission to perform an action is denied."""
def __init__(self, pid=None, name=None, msg=None):
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 = ""
def __str__(self):
return self.msg
class TimeoutExpired(Error):
"""Raised on Process.wait(timeout) if timeout expires and process
is still alive.
"""
def __init__(self, pid=None, name=None):
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
else:
self.msg = ""
def __str__(self):
return self.msg
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