| #!/usr/bin/env python |
| |
| # 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 |
