Yu1709$!%yuyu!$%wutu!5=126+

                
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/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: process.py

#
# Module providing the `Process` class which emulates `threading.Thread`
#
# multiprocessing/process.py
#
# Copyright (c) 2006-2008, R Oudkerk
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of author nor the names of any contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#

__all__ = ['Process', 'current_process', 'active_children']

#
# Imports
#

import os
import sys
import signal
import itertools

#
#
#

try:
    ORIGINAL_DIR = os.path.abspath(os.getcwd())
except OSError:
    ORIGINAL_DIR = None

#
# Public functions
#

def current_process():
    '''
    Return process object representing the current process
    '''
    return _current_process

def active_children():
    '''
    Return list of process objects corresponding to live child processes
    '''
    _cleanup()
    return list(_current_process._children)

#
#
#

def _cleanup():
    # check for processes which have finished
    for p in list(_current_process._children):
        if p._popen.poll() is not None:
            _current_process._children.discard(p)

#
# The `Process` class
#

class Process(object):
    '''
    Process objects represent activity that is run in a separate process

The class is analagous to `threading.Thread`
    '''
    _Popen = None

def __init__(self, group=None, target=None, name=None, args=(), kwargs={}):
        assert group is None, 'group argument must be None for now'
        count = _current_process._counter.next()
        self._identity = _current_process._identity + (count,)
        self._authkey = _current_process._authkey
        self._daemonic = _current_process._daemonic
        self._tempdir = _current_process._tempdir
        self._parent_pid = os.getpid()
        self._popen = None
        self._target = target
        self._args = tuple(args)
        self._kwargs = dict(kwargs)
        self._name = name or type(self).__name__ + '-' + \
                     ':'.join(str(i) for i in self._identity)

def run(self):
        '''
        Method to be run in sub-process; can be overridden in sub-class
        '''
        if self._target:
            self._target(*self._args, **self._kwargs)

def start(self):
        '''
        Start child process
        '''
        assert self._popen is None, 'cannot start a process twice'
        assert self._parent_pid == os.getpid(), \
               'can only start a process object created by current process'
        assert not _current_process._daemonic, \
               'daemonic processes are not allowed to have children'
        _cleanup()
        if self._Popen is not None:
            Popen = self._Popen
        else:
            from .forking import Popen
        self._popen = Popen(self)
        # Avoid a refcycle if the target function holds an indirect
        # reference to the process object (see bpo-30775)
        del self._target, self._args, self._kwargs
        _current_process._children.add(self)

def terminate(self):
        '''
        Terminate process; sends SIGTERM signal or uses TerminateProcess()
        '''
        self._popen.terminate()

def join(self, timeout=None):
        '''
        Wait until child process terminates
        '''
        assert self._parent_pid == os.getpid(), 'can only join a child process'
        assert self._popen is not None, 'can only join a started process'
        res = self._popen.wait(timeout)
        if res is not None:
            _current_process._children.discard(self)

def is_alive(self):
        '''
        Return whether process is alive
        '''
        if self is _current_process:
            return True
        assert self._parent_pid == os.getpid(), 'can only test a child process'

if self._popen is None:
            return False

returncode = self._popen.poll()
        if returncode is None:
            return True
        else:
            _current_process._children.discard(self)
            return False

@property
    def name(self):
        return self._name

@name.setter
    def name(self, name):
        assert isinstance(name, basestring), 'name must be a string'
        self._name = name

@property
    def daemon(self):
        '''
        Return whether process is a daemon
        '''
        return self._daemonic

@daemon.setter
    def daemon(self, daemonic):
        '''
        Set whether process is a daemon
        '''
        assert self._popen is None, 'process has already started'
        self._daemonic = daemonic

@property
    def authkey(self):
        return self._authkey

@authkey.setter
    def authkey(self, authkey):
        '''
        Set authorization key of process
        '''
        self._authkey = AuthenticationString(authkey)

@property
    def exitcode(self):
        '''
        Return exit code of process or `None` if it has yet to stop
        '''
        if self._popen is None:
            return self._popen
        return self._popen.poll()

@property
    def ident(self):
        '''
        Return identifier (PID) of process or `None` if it has yet to start
        '''
        if self is _current_process:
            return os.getpid()
        else:
            return self._popen and self._popen.pid

pid = ident

def __repr__(self):
        if self is _current_process:
            status = 'started'
        elif self._parent_pid != os.getpid():
            status = 'unknown'
        elif self._popen is None:
            status = 'initial'
        else:
            if self._popen.poll() is not None:
                status = self.exitcode
            else:
                status = 'started'

if type(status) in (int, long):
            if status == 0:
                status = 'stopped'
            else:
                status = 'stopped[%s]' % _exitcode_to_name.get(status, status)

return '<%s(%s, %s%s)>' % (type(self).__name__, self._name,
                                   status, self._daemonic and ' daemon' or '')

def _bootstrap(self):
        from . import util
        global _current_process

try:
            self._children = set()
            self._counter = itertools.count(1)
            try:
                sys.stdin.close()
                sys.stdin = open(os.devnull)
            except (OSError, ValueError):
                pass
            _current_process = self
            util._finalizer_registry.clear()
            util._run_after_forkers()
            util.info('child process calling self.run()')
            try:
                self.run()
                exitcode = 0
            finally:
                util._exit_function()
        except SystemExit, e:
            if not e.args:
                exitcode = 1
            elif isinstance(e.args[0], (int, long)):
                exitcode = int(e.args[0])
            else:
                sys.stderr.write(str(e.args[0]) + '\n')
                sys.stderr.flush()
                exitcode = 1
        except:
            exitcode = 1
            import traceback
            sys.stderr.write('Process %s:\n' % self.name)
            sys.stderr.flush()
            traceback.print_exc()

util.info('process exiting with exitcode %d' % exitcode)
        return exitcode

#
# We subclass bytes to avoid accidental transmission of auth keys over network
#

class AuthenticationString(bytes):
    def __reduce__(self):
        from .forking import Popen
        if not Popen.thread_is_spawning():
            raise TypeError(
                'Pickling an AuthenticationString object is '
                'disallowed for security reasons'
                )
        return AuthenticationString, (bytes(self),)

#
# Create object representing the main process
#

class _MainProcess(Process):

def __init__(self):
        self._identity = ()
        self._daemonic = False
        self._name = 'MainProcess'
        self._parent_pid = None
        self._popen = None
        self._counter = itertools.count(1)
        self._children = set()
        self._authkey = AuthenticationString(os.urandom(32))
        self._tempdir = None

_current_process = _MainProcess()
del _MainProcess

#
# Give names to some return codes
#

_exitcode_to_name = {}

for name, signum in signal.__dict__.items():
    if name[:3]=='SIG' and '_' not in name:
        _exitcode_to_name[-signum] = name

Name	Type	Actions
dummy	Directory
__init__.py	File
__init__.pyc	File
__init__.pyo	File
connection.py	File
connection.pyc	File
connection.pyo	File
forking.py	File
forking.pyc	File
forking.pyo	File
heap.py	File
heap.pyc	File
heap.pyo	File
managers.py	File
managers.pyc	File
managers.pyo	File
pool.py	File
pool.pyc	File
pool.pyo	File
process.py	File
process.pyc	File
process.pyo	File
queues.py	File
queues.pyc	File
queues.pyo	File
reduction.py	File
reduction.pyc	File
reduction.pyo	File
sharedctypes.py	File
sharedctypes.pyc	File
sharedctypes.pyo	File
synchronize.py	File
synchronize.pyc	File
synchronize.pyo	File
util.py	File
util.pyc	File
util.pyo	File