Remove psutil from tree, install via install-build-deps.sh

third_party/psutil/psutil/_psbsd.py

-#!/usr/bin/env python
-#
-# $Id: _psbsd.py 1142 2011-10-05 18:45:49Z g.rodola $
-#
-# 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.
-
-"""FreeBSD platform implementation."""
-
-import errno
-import os
-
-import _psutil_bsd
-import _psutil_posix
-import _psposix
-from psutil.error import AccessDenied, NoSuchProcess, TimeoutExpired
-from psutil._compat import namedtuple
-from psutil._common import *
-
-__extra__all__ = []
-
-# --- constants
-
-NUM_CPUS = _psutil_bsd.get_num_cpus()
-BOOT_TIME = _psutil_bsd.get_system_boot_time()
-_TERMINAL_MAP = _psposix._get_terminal_map()
-_cputimes_ntuple = namedtuple('cputimes', 'user nice system idle irq')
-
-# --- public functions
-
-def phymem_usage():
-    """Physical system memory as a (total, used, free) tuple."""
-    total = _psutil_bsd.get_total_phymem()
-    free =  _psutil_bsd.get_avail_phymem()
-    used = total - free
-    # XXX check out whether we have to do the same math we do on Linux
-    percent = usage_percent(used, total, _round=1)
-    return ntuple_sysmeminfo(total, used, free, percent)
-
-def virtmem_usage():
-    """Virtual system memory as a (total, used, free) tuple."""
-    total = _psutil_bsd.get_total_virtmem()
-    free =  _psutil_bsd.get_avail_virtmem()
-    used = total - free
-    percent = usage_percent(used, total, _round=1)
-    return ntuple_sysmeminfo(total, used, free, percent)
-
-def get_system_cpu_times():
-    """Return system per-CPU times as a named tuple"""
-    user, nice, system, idle, irq = _psutil_bsd.get_system_cpu_times()
-    return _cputimes_ntuple(user, nice, system, idle, irq)
-
-def get_system_per_cpu_times():
-    """Return system CPU times as a named tuple"""
-    ret = []
-    for cpu_t in _psutil_bsd.get_system_per_cpu_times():
-        user, nice, system, idle, irq = cpu_t
-        item = _cputimes_ntuple(user, nice, system, idle, irq)
-        ret.append(item)
-    return ret
-
-def disk_partitions(all=False):
-    retlist = []
-    partitions = _psutil_bsd.get_disk_partitions()
-    for partition in partitions:
-        device, mountpoint, fstype = partition
-        if device == 'none':
-            device = ''
-        if not all:
-            if not os.path.isabs(device) \
-            or not os.path.exists(device):
-                continue
-        ntuple = ntuple_partition(device, mountpoint, fstype)
-        retlist.append(ntuple)
-    return retlist
-
-get_pid_list = _psutil_bsd.get_pid_list
-pid_exists = _psposix.pid_exists
-get_disk_usage = _psposix.get_disk_usage
-network_io_counters = _psutil_osx.get_network_io_counters
-
-
-def wrap_exceptions(method):
-    """Call method(self, pid) into a try/except clause so that if an
-    OSError "No such process" exception is raised we assume the process
-    has died and raise psutil.NoSuchProcess instead.
-    """
-    def wrapper(self, *args, **kwargs):
-        try:
-            return method(self, *args, **kwargs)
-        except OSError, err:
-            if err.errno == errno.ESRCH:
-                raise NoSuchProcess(self.pid, self._process_name)
-            if err.errno in (errno.EPERM, errno.EACCES):
-                raise AccessDenied(self.pid, self._process_name)
-            raise
-    return wrapper
-
-_status_map = {
-    _psutil_bsd.SSTOP : STATUS_STOPPED,
-    _psutil_bsd.SSLEEP : STATUS_SLEEPING,
-    _psutil_bsd.SRUN : STATUS_RUNNING,
-    _psutil_bsd.SIDL : STATUS_IDLE,
-    _psutil_bsd.SWAIT : STATUS_WAITING,
-    _psutil_bsd.SLOCK : STATUS_LOCKED,
-    _psutil_bsd.SZOMB : STATUS_ZOMBIE,
-}
-
-
-class Process(object):
-    """Wrapper class around underlying C implementation."""
-
-    __slots__ = ["pid", "_process_name"]
-
-    def __init__(self, pid):
-        self.pid = pid
-        self._process_name = None
-
-    @wrap_exceptions
-    def get_process_name(self):
-        """Return process name as a string of limited len (15)."""
-        return _psutil_bsd.get_process_name(self.pid)
-
-    @wrap_exceptions
-    def get_process_exe(self):
-        """Return process executable pathname."""
-        return _psutil_bsd.get_process_exe(self.pid)
-
-    @wrap_exceptions
-    def get_process_cmdline(self):
-        """Return process cmdline as a list of arguments."""
-        return _psutil_bsd.get_process_cmdline(self.pid)
-
-    @wrap_exceptions
-    def get_process_terminal(self):
-        tty_nr = _psutil_bsd.get_process_tty_nr(self.pid)
-        try:
-            return _TERMINAL_MAP[tty_nr]
-        except KeyError:
-            return None
-
-    @wrap_exceptions
-    def get_process_ppid(self):
-        """Return process parent pid."""
-        return _psutil_bsd.get_process_ppid(self.pid)
-
-    @wrap_exceptions
-    def get_process_uids(self):
-        """Return real, effective and saved user ids."""
-        real, effective, saved = _psutil_bsd.get_process_uids(self.pid)
-        return ntuple_uids(real, effective, saved)
-
-    @wrap_exceptions
-    def get_process_gids(self):
-        """Return real, effective and saved group ids."""
-        real, effective, saved = _psutil_bsd.get_process_gids(self.pid)
-        return ntuple_gids(real, effective, saved)
-
-    @wrap_exceptions
-    def get_cpu_times(self):
-        """return a tuple containing process user/kernel time."""
-        user, system = _psutil_bsd.get_cpu_times(self.pid)
-        return ntuple_cputimes(user, system)
-
-    @wrap_exceptions
-    def get_memory_info(self):
-        """Return a tuple with the process' RSS and VMS size."""
-        rss, vms = _psutil_bsd.get_memory_info(self.pid)
-        return ntuple_meminfo(rss, vms)
-
-    @wrap_exceptions
-    def get_process_create_time(self):
-        """Return the start time of the process as a number of seconds since
-        the epoch."""
-        return _psutil_bsd.get_process_create_time(self.pid)
-
-    @wrap_exceptions
-    def get_process_num_threads(self):
-        """Return the number of threads belonging to the process."""
-        return _psutil_bsd.get_process_num_threads(self.pid)
-
-    @wrap_exceptions
-    def get_process_threads(self):
-        """Return the number of threads belonging to the process."""
-        rawlist = _psutil_bsd.get_process_threads(self.pid)
-        retlist = []
-        for thread_id, utime, stime in rawlist:
-            ntuple = ntuple_thread(thread_id, utime, stime)
-            retlist.append(ntuple)
-        return retlist
-
-    def get_open_files(self):
-        """Return files opened by process by parsing lsof output."""
-        lsof = _psposix.LsofParser(self.pid, self._process_name)
-        return lsof.get_process_open_files()
-
-    def get_connections(self):
-        """Return network connections opened by a process as a list of
-        namedtuples by parsing lsof output.
-        """
-        lsof = _psposix.LsofParser(self.pid, self._process_name)
-        return lsof.get_process_connections()
-
-    @wrap_exceptions
-    def process_wait(self, timeout=None):
-        try:
-            return _psposix.wait_pid(self.pid, timeout)
-        except TimeoutExpired:
-            raise TimeoutExpired(self.pid, self._process_name)
-
-    @wrap_exceptions
-    def get_process_nice(self):
-        return _psutil_posix.getpriority(self.pid)
-
-    @wrap_exceptions
-    def set_process_nice(self, value):
-        return _psutil_posix.setpriority(self.pid, value)
-
-    @wrap_exceptions
-    def get_process_status(self):
-        code = _psutil_bsd.get_process_status(self.pid)
-        if code in _status_map:
-            return _status_map[code]
-        return constant(-1, "?")
-
-    @wrap_exceptions
-    def get_process_io_counters(self):
-        rc, wc, rb, wb = _psutil_bsd.get_process_io_counters(self.pid)
-        return ntuple_io(rc, wc, rb, wb)