guppy_basecaller: env/lib/python3.7/site-packages/psutil/

comparison env/lib/python3.7/site-packages/psutil/_psosx.py @ 0:26e78fe6e8c4 draft

"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"

author	shellac
date	Sat, 02 May 2020 07:14:21 -0400
parents
children

comparison

equal deleted inserted replaced

--1:000000000000
+:26e78fe6e8c4
+# 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.
+"""macOS platform implementation."""
+import contextlib
+import errno
+import functools
+import os
+from collections import namedtuple
+from . import _common
+from . import _psposix
+from . import _psutil_osx as cext
+from . import _psutil_posix as cext_posix
+from ._common import AccessDenied
+from ._common import conn_tmap
+from ._common import conn_to_ntuple
+from ._common import isfile_strict
+from ._common import memoize_when_activated
+from ._common import NoSuchProcess
+from ._common import parse_environ_block
+from ._common import usage_percent
+from ._common import ZombieProcess
+from ._compat import PermissionError
+from ._compat import ProcessLookupError
+__extra__all__ = []
+# =====================================================================
+# --- globals
+# =====================================================================
+PAGESIZE = os.sysconf("SC_PAGE_SIZE")
+AF_LINK = cext_posix.AF_LINK
+TCP_STATUSES = {
+cext.TCPS_ESTABLISHED: _common.CONN_ESTABLISHED,
+cext.TCPS_SYN_SENT: _common.CONN_SYN_SENT,
+cext.TCPS_SYN_RECEIVED: _common.CONN_SYN_RECV,
+cext.TCPS_FIN_WAIT_1: _common.CONN_FIN_WAIT1,
+cext.TCPS_FIN_WAIT_2: _common.CONN_FIN_WAIT2,
+cext.TCPS_TIME_WAIT: _common.CONN_TIME_WAIT,
+cext.TCPS_CLOSED: _common.CONN_CLOSE,
+cext.TCPS_CLOSE_WAIT: _common.CONN_CLOSE_WAIT,
+cext.TCPS_LAST_ACK: _common.CONN_LAST_ACK,
+cext.TCPS_LISTEN: _common.CONN_LISTEN,
+cext.TCPS_CLOSING: _common.CONN_CLOSING,
+cext.PSUTIL_CONN_NONE: _common.CONN_NONE,
+}
+PROC_STATUSES = {
+cext.SIDL: _common.STATUS_IDLE,
+cext.SRUN: _common.STATUS_RUNNING,
+cext.SSLEEP: _common.STATUS_SLEEPING,
+cext.SSTOP: _common.STATUS_STOPPED,
+cext.SZOMB: _common.STATUS_ZOMBIE,
+}
+kinfo_proc_map = dict(
+ppid=0,
+ruid=1,
+euid=2,
+suid=3,
+rgid=4,
+egid=5,
+sgid=6,
+ttynr=7,
+ctime=8,
+status=9,
+name=10,
+)
+pidtaskinfo_map = dict(
+cpuutime=0,
+cpustime=1,
+rss=2,
+vms=3,
+pfaults=4,
+pageins=5,
+numthreads=6,
+volctxsw=7,
+)
+# =====================================================================
+# --- named tuples
+# =====================================================================
+# psutil.cpu_times()
+scputimes = namedtuple('scputimes', ['user', 'nice', 'system', 'idle'])
+# psutil.virtual_memory()
+svmem = namedtuple(
+'svmem', ['total', 'available', 'percent', 'used', 'free',
+'active', 'inactive', 'wired'])
+# psutil.Process.memory_info()
+pmem = namedtuple('pmem', ['rss', 'vms', 'pfaults', 'pageins'])
+# psutil.Process.memory_full_info()
+pfullmem = namedtuple('pfullmem', pmem._fields + ('uss', ))
+# =====================================================================
+# --- memory
+# =====================================================================
+def virtual_memory():
+"""System virtual memory as a namedtuple."""
+total, active, inactive, wired, free, speculative = cext.virtual_mem()
+# This is how Zabbix calculate avail and used mem:
+# https://github.com/zabbix/zabbix/blob/trunk/src/libs/zbxsysinfo/
+#     osx/memory.c
+# Also see: https://github.com/giampaolo/psutil/issues/1277
+avail = inactive + free
+used = active + wired
+# This is NOT how Zabbix calculates free mem but it matches "free"
+# cmdline utility.
+free -= speculative
+percent = usage_percent((total - avail), total, round_=1)
+return svmem(total, avail, percent, used, free,
+active, inactive, wired)
+def swap_memory():
+"""Swap system memory as a (total, used, free, sin, sout) tuple."""
+total, used, free, sin, sout = cext.swap_mem()
+percent = usage_percent(used, total, round_=1)
+return _common.sswap(total, used, free, percent, sin, sout)
+# =====================================================================
+# --- CPU
+# =====================================================================
+def cpu_times():
+"""Return system CPU times as a namedtuple."""
+user, nice, system, idle = cext.cpu_times()
+return scputimes(user, nice, system, idle)
+def per_cpu_times():
+"""Return system CPU times as a named tuple"""
+ret = []
+for cpu_t in cext.per_cpu_times():
+user, nice, system, idle = cpu_t
+item = scputimes(user, nice, system, idle)
+ret.append(item)
+return ret
+def cpu_count_logical():
+"""Return the number of logical CPUs in the system."""
+return cext.cpu_count_logical()
+def cpu_count_physical():
+"""Return the number of physical CPUs in the system."""
+return cext.cpu_count_phys()
+def cpu_stats():
+ctx_switches, interrupts, soft_interrupts, syscalls, traps = \
+cext.cpu_stats()
+return _common.scpustats(
+ctx_switches, interrupts, soft_interrupts, syscalls)
+def cpu_freq():
+"""Return CPU frequency.
+On macOS per-cpu frequency is not supported.
+Also, the returned frequency never changes, see:
+https://arstechnica.com/civis/viewtopic.php?f=19&t=465002
+"""
+curr, min_, max_ = cext.cpu_freq()
+return [_common.scpufreq(curr, min_, max_)]
+# =====================================================================
+# --- disks
+# =====================================================================
+disk_usage = _psposix.disk_usage
+disk_io_counters = cext.disk_io_counters
+def disk_partitions(all=False):
+"""Return mounted disk partitions as a list of namedtuples."""
+retlist = []
+partitions = cext.disk_partitions()
+for partition in partitions:
+device, mountpoint, fstype, opts = partition
+if device == 'none':
+device = ''
+if not all:
+if not os.path.isabs(device) or not os.path.exists(device):
+continue
+ntuple = _common.sdiskpart(device, mountpoint, fstype, opts)
+retlist.append(ntuple)
+return retlist
+# =====================================================================
+# --- sensors
+# =====================================================================
+def sensors_battery():
+"""Return battery information."""
+try:
+percent, minsleft, power_plugged = cext.sensors_battery()
+except NotImplementedError:
+# no power source - return None according to interface
+return None
+power_plugged = power_plugged == 1
+if power_plugged:
+secsleft = _common.POWER_TIME_UNLIMITED
+elif minsleft == -1:
+secsleft = _common.POWER_TIME_UNKNOWN
+else:
+secsleft = minsleft * 60
+return _common.sbattery(percent, secsleft, power_plugged)
+# =====================================================================
+# --- network
+# =====================================================================
+net_io_counters = cext.net_io_counters
+net_if_addrs = cext_posix.net_if_addrs
+def net_connections(kind='inet'):
+"""System-wide network connections."""
+# Note: on macOS this will fail with AccessDenied unless
+# the process is owned by root.
+ret = []
+for pid in pids():
+try:
+cons = Process(pid).connections(kind)
+except NoSuchProcess:
+continue
+else:
+if cons:
+for c in cons:
+c = list(c) + [pid]
+ret.append(_common.sconn(*c))
+return ret
+def net_if_stats():
+"""Get NIC stats (isup, duplex, speed, mtu)."""
+names = net_io_counters().keys()
+ret = {}
+for name in names:
+try:
+mtu = cext_posix.net_if_mtu(name)
+isup = cext_posix.net_if_flags(name)
+duplex, speed = cext_posix.net_if_duplex_speed(name)
+except OSError as err:
+# https://github.com/giampaolo/psutil/issues/1279
+if err.errno != errno.ENODEV:
+raise
+else:
+if hasattr(_common, 'NicDuplex'):
+duplex = _common.NicDuplex(duplex)
+ret[name] = _common.snicstats(isup, duplex, speed, mtu)
+return ret
+# =====================================================================
+# --- other system functions
+# =====================================================================
+def boot_time():
+"""The system boot time expressed in seconds since the epoch."""
+return cext.boot_time()
+def users():
+"""Return currently connected users as a list of namedtuples."""
+retlist = []
+rawlist = cext.users()
+for item in rawlist:
+user, tty, hostname, tstamp, pid = item
+if tty == '~':
+continue  # reboot or shutdown
+if not tstamp:
+continue
+nt = _common.suser(user, tty or None, hostname or None, tstamp, pid)
+retlist.append(nt)
+return retlist
+# =====================================================================
+# --- processes
+# =====================================================================
+def pids():
+ls = cext.pids()
+if 0 not in ls:
+# On certain macOS versions pids() C doesn't return PID 0 but
+# "ps" does and the process is querable via sysctl():
+# https://travis-ci.org/giampaolo/psutil/jobs/309619941
+try:
+Process(0).create_time()
+ls.insert(0, 0)
+except NoSuchProcess:
+pass
+except AccessDenied:
+ls.insert(0, 0)
+return ls
+pid_exists = _psposix.pid_exists
+def wrap_exceptions(fun):
+"""Decorator which translates bare OSError exceptions into
+NoSuchProcess and AccessDenied.
+"""
+@functools.wraps(fun)
+def wrapper(self, *args, **kwargs):
+try:
+return fun(self, *args, **kwargs)
+except ProcessLookupError:
+raise NoSuchProcess(self.pid, self._name)
+except PermissionError:
+raise AccessDenied(self.pid, self._name)
+except cext.ZombieProcessError:
+raise ZombieProcess(self.pid, self._name, self._ppid)
+return wrapper
+@contextlib.contextmanager
+def catch_zombie(proc):
+"""There are some poor C APIs which incorrectly raise ESRCH when
+the process is still alive or it's a zombie, or even RuntimeError
+(those who don't set errno). This is here in order to solve:
+https://github.com/giampaolo/psutil/issues/1044
+"""
+try:
+yield
+except (OSError, RuntimeError) as err:
+if isinstance(err, RuntimeError) or err.errno == errno.ESRCH:
+try:
+# status() is not supposed to lie and correctly detect
+# zombies so if it raises ESRCH it's true.
+status = proc.status()
+except NoSuchProcess:
+raise err
+else:
+if status == _common.STATUS_ZOMBIE:
+raise ZombieProcess(proc.pid, proc._name, proc._ppid)
+else:
+raise AccessDenied(proc.pid, proc._name)
+else:
+raise
+class Process(object):
+"""Wrapper class around underlying C implementation."""
+__slots__ = ["pid", "_name", "_ppid", "_cache"]
+def __init__(self, pid):
+self.pid = pid
+self._name = None
+self._ppid = None
+@wrap_exceptions
+@memoize_when_activated
+def _get_kinfo_proc(self):
+# Note: should work with all PIDs without permission issues.
+ret = cext.proc_kinfo_oneshot(self.pid)
+assert len(ret) == len(kinfo_proc_map)
+return ret
+@wrap_exceptions
+@memoize_when_activated
+def _get_pidtaskinfo(self):
+# Note: should work for PIDs owned by user only.
+with catch_zombie(self):
+ret = cext.proc_pidtaskinfo_oneshot(self.pid)
+assert len(ret) == len(pidtaskinfo_map)
+return ret
+def oneshot_enter(self):
+self._get_kinfo_proc.cache_activate(self)
+self._get_pidtaskinfo.cache_activate(self)
+def oneshot_exit(self):
+self._get_kinfo_proc.cache_deactivate(self)
+self._get_pidtaskinfo.cache_deactivate(self)
+@wrap_exceptions
+def name(self):
+name = self._get_kinfo_proc()[kinfo_proc_map['name']]
+return name if name is not None else cext.proc_name(self.pid)
+@wrap_exceptions
+def exe(self):
+with catch_zombie(self):
+return cext.proc_exe(self.pid)
+@wrap_exceptions
+def cmdline(self):
+with catch_zombie(self):
+return cext.proc_cmdline(self.pid)
+@wrap_exceptions
+def environ(self):
+with catch_zombie(self):
+return parse_environ_block(cext.proc_environ(self.pid))
+@wrap_exceptions
+def ppid(self):
+self._ppid = self._get_kinfo_proc()[kinfo_proc_map['ppid']]
+return self._ppid
+@wrap_exceptions
+def cwd(self):
+with catch_zombie(self):
+return cext.proc_cwd(self.pid)
+@wrap_exceptions
+def uids(self):
+rawtuple = self._get_kinfo_proc()
+return _common.puids(
+rawtuple[kinfo_proc_map['ruid']],
+rawtuple[kinfo_proc_map['euid']],
+rawtuple[kinfo_proc_map['suid']])
+@wrap_exceptions
+def gids(self):
+rawtuple = self._get_kinfo_proc()
+return _common.puids(
+rawtuple[kinfo_proc_map['rgid']],
+rawtuple[kinfo_proc_map['egid']],
+rawtuple[kinfo_proc_map['sgid']])
+@wrap_exceptions
+def terminal(self):
+tty_nr = self._get_kinfo_proc()[kinfo_proc_map['ttynr']]
+tmap = _psposix.get_terminal_map()
+try:
+return tmap[tty_nr]
+except KeyError:
+return None
+@wrap_exceptions
+def memory_info(self):
+rawtuple = self._get_pidtaskinfo()
+return pmem(
+rawtuple[pidtaskinfo_map['rss']],
+rawtuple[pidtaskinfo_map['vms']],
+rawtuple[pidtaskinfo_map['pfaults']],
+rawtuple[pidtaskinfo_map['pageins']],
+)
+@wrap_exceptions
+def memory_full_info(self):
+basic_mem = self.memory_info()
+uss = cext.proc_memory_uss(self.pid)
+return pfullmem(*basic_mem + (uss, ))
+@wrap_exceptions
+def cpu_times(self):
+rawtuple = self._get_pidtaskinfo()
+return _common.pcputimes(
+rawtuple[pidtaskinfo_map['cpuutime']],
+rawtuple[pidtaskinfo_map['cpustime']],
+# children user / system times are not retrievable (set to 0)
+0.0, 0.0)
+@wrap_exceptions
+def create_time(self):
+return self._get_kinfo_proc()[kinfo_proc_map['ctime']]
+@wrap_exceptions
+def num_ctx_switches(self):
+# Unvoluntary value seems not to be available;
+# getrusage() numbers seems to confirm this theory.
+# We set it to 0.
+vol = self._get_pidtaskinfo()[pidtaskinfo_map['volctxsw']]
+return _common.pctxsw(vol, 0)
+@wrap_exceptions
+def num_threads(self):
+return self._get_pidtaskinfo()[pidtaskinfo_map['numthreads']]
+@wrap_exceptions
+def open_files(self):
+if self.pid == 0:
+return []
+files = []
+with catch_zombie(self):
+rawlist = cext.proc_open_files(self.pid)
+for path, fd in rawlist:
+if isfile_strict(path):
+ntuple = _common.popenfile(path, fd)
+files.append(ntuple)
+return files
+@wrap_exceptions
+def connections(self, kind='inet'):
+if kind not in conn_tmap:
+raise ValueError("invalid %r kind argument; choose between %s"
+% (kind, ', '.join([repr(x) for x in conn_tmap])))
+families, types = conn_tmap[kind]
+with catch_zombie(self):
+rawlist = cext.proc_connections(self.pid, families, types)
+ret = []
+for item in rawlist:
+fd, fam, type, laddr, raddr, status = item
+nt = conn_to_ntuple(fd, fam, type, laddr, raddr, status,
+TCP_STATUSES)
+ret.append(nt)
+return ret
+@wrap_exceptions
+def num_fds(self):
+if self.pid == 0:
+return 0
+with catch_zombie(self):
+return cext.proc_num_fds(self.pid)
+@wrap_exceptions
+def wait(self, timeout=None):
+return _psposix.wait_pid(self.pid, timeout, self._name)
+@wrap_exceptions
+def nice_get(self):
+with catch_zombie(self):
+return cext_posix.getpriority(self.pid)
+@wrap_exceptions
+def nice_set(self, value):
+with catch_zombie(self):
+return cext_posix.setpriority(self.pid, value)
+@wrap_exceptions
+def status(self):
+code = self._get_kinfo_proc()[kinfo_proc_map['status']]
+# XXX is '?' legit? (we're not supposed to return it anyway)
+return PROC_STATUSES.get(code, '?')
+@wrap_exceptions
+def threads(self):
+rawlist = cext.proc_threads(self.pid)
+retlist = []
+for thread_id, utime, stime in rawlist:
+ntuple = _common.pthread(thread_id, utime, stime)
+retlist.append(ntuple)
+return retlist

Mercurial > repos > shellac > guppy_basecaller

comparison env/lib/python3.7/site-packages/psutil/_psosx.py @ 0:26e78fe6e8c4 draft