update

frontEnd/venv/lib/python3.12/site-packages/billiard/dummy/__init__.py

@@ -0,0 +1,166 @@
+#
+# Support for the API of the multiprocessing package using threads
+#
+# multiprocessing/dummy/__init__.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.
+#
+
+#
+# Imports
+#
+
+import threading
+import sys
+import weakref
+import array
+
+from threading import Lock, RLock, Semaphore, BoundedSemaphore
+from threading import Event
+
+from queue import Queue
+
+from billiard.connection import Pipe
+
+__all__ = [
+    'Process', 'current_process', 'active_children', 'freeze_support',
+    'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Condition',
+    'Event', 'Queue', 'Manager', 'Pipe', 'Pool', 'JoinableQueue'
+]
+
+
+class DummyProcess(threading.Thread):
+
+    def __init__(self, group=None, target=None, name=None, args=(), kwargs={}):
+        threading.Thread.__init__(self, group, target, name, args, kwargs)
+        self._pid = None
+        self._children = weakref.WeakKeyDictionary()
+        self._start_called = False
+        self._parent = current_process()
+
+    def start(self):
+        assert self._parent is current_process()
+        self._start_called = True
+        if hasattr(self._parent, '_children'):
+            self._parent._children[self] = None
+        threading.Thread.start(self)
+
+    @property
+    def exitcode(self):
+        if self._start_called and not self.is_alive():
+            return 0
+        else:
+            return None
+
+
+try:
+    _Condition = threading._Condition
+except AttributeError:  # Py3
+    _Condition = threading.Condition  # noqa
+
+
+class Condition(_Condition):
+    if sys.version_info[0] == 3:
+        notify_all = _Condition.notifyAll
+    else:
+        notify_all = _Condition.notifyAll.__func__
+
+
+Process = DummyProcess
+current_process = threading.current_thread
+current_process()._children = weakref.WeakKeyDictionary()
+
+
+def active_children():
+    children = current_process()._children
+    for p in list(children):
+        if not p.is_alive():
+            children.pop(p, None)
+    return list(children)
+
+
+def freeze_support():
+    pass
+
+
+class Namespace(object):
+
+    def __init__(self, **kwds):
+        self.__dict__.update(kwds)
+
+    def __repr__(self):
+        items = list(self.__dict__.items())
+        temp = []
+        for name, value in items:
+            if not name.startswith('_'):
+                temp.append('%s=%r' % (name, value))
+        temp.sort()
+        return '%s(%s)' % (self.__class__.__name__, str.join(', ', temp))
+
+
+dict = dict
+list = list
+
+
+def Array(typecode, sequence, lock=True):
+    return array.array(typecode, sequence)
+
+
+class Value(object):
+
+    def __init__(self, typecode, value, lock=True):
+        self._typecode = typecode
+        self._value = value
+
+    def _get(self):
+        return self._value
+
+    def _set(self, value):
+        self._value = value
+    value = property(_get, _set)
+
+    def __repr__(self):
+        return '<%r(%r, %r)>' % (type(self).__name__,
+                                 self._typecode, self._value)
+
+
+def Manager():
+    return sys.modules[__name__]
+
+
+def shutdown():
+    pass
+
+
+def Pool(processes=None, initializer=None, initargs=()):
+    from billiard.pool import ThreadPool
+    return ThreadPool(processes, initializer, initargs)
+
+
+JoinableQueue = Queue

frontEnd/venv/lib/python3.12/site-packages/billiard/dummy/connection.py

@@ -0,0 +1,92 @@
+#
+# Analogue of `multiprocessing.connection` which uses queues instead of sockets
+#
+# multiprocessing/dummy/connection.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.
+#
+
+from queue import Queue
+
+__all__ = ['Client', 'Listener', 'Pipe']
+
+families = [None]
+
+
+class Listener(object):
+
+    def __init__(self, address=None, family=None, backlog=1):
+        self._backlog_queue = Queue(backlog)
+
+    def accept(self):
+        return Connection(*self._backlog_queue.get())
+
+    def close(self):
+        self._backlog_queue = None
+
+    address = property(lambda self: self._backlog_queue)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *exc_info):
+        self.close()
+
+
+def Client(address):
+    _in, _out = Queue(), Queue()
+    address.put((_out, _in))
+    return Connection(_in, _out)
+
+
+def Pipe(duplex=True):
+    a, b = Queue(), Queue()
+    return Connection(a, b), Connection(b, a)
+
+
+class Connection(object):
+
+    def __init__(self, _in, _out):
+        self._out = _out
+        self._in = _in
+        self.send = self.send_bytes = _out.put
+        self.recv = self.recv_bytes = _in.get
+
+    def poll(self, timeout=0.0):
+        if self._in.qsize() > 0:
+            return True
+        if timeout <= 0.0:
+            return False
+        self._in.not_empty.acquire()
+        self._in.not_empty.wait(timeout)
+        self._in.not_empty.release()
+        return self._in.qsize() > 0
+
+    def close(self):
+        pass