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proc
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self
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root
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proc
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thread-self
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root
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lib64
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python3.6
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site-packages
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psutil
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Filename :
_exceptions.py
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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