Library import 16 (#2433)

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1 files changed, 126 insertions, 0 deletions

diff --git a/contrib/tools/python3/Lib/multiprocessing/dummy/__init__.py b/contrib/tools/python3/Lib/multiprocessing/dummy/__init__.py
new file mode 100644
index 0000000000..6a1468609e
--- /dev/null
+++ b/contrib/tools/python3/Lib/multiprocessing/dummy/__init__.py
@@ -0,0 +1,126 @@
+#
+# Support for the API of the multiprocessing package using threads
+#
+# multiprocessing/dummy/__init__.py
+#
+# Copyright (c) 2006-2008, R Oudkerk
+# Licensed to PSF under a Contributor Agreement.
+#
+
+__all__ = [
+    'Process', 'current_process', 'active_children', 'freeze_support',
+    'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Condition',
+    'Event', 'Barrier', 'Queue', 'Manager', 'Pipe', 'Pool', 'JoinableQueue'
+    ]
+
+#
+# Imports
+#
+
+import threading
+import sys
+import weakref
+import array
+
+from .connection import Pipe
+from threading import Lock, RLock, Semaphore, BoundedSemaphore
+from threading import Event, Condition, Barrier
+from queue import Queue
+
+#
+#
+#
+
+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):
+        if self._parent is not current_process():
+            raise RuntimeError(
+                "Parent is {0!r} but current_process is {1!r}".format(
+                    self._parent, 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
+
+#
+#
+#
+
+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__, ', '.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
+
+    @property
+    def value(self):
+        return self._value
+
+    @value.setter
+    def value(self, value):
+        self._value = value
+
+    def __repr__(self):
+        return '<%s(%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 ..pool import ThreadPool
+    return ThreadPool(processes, initializer, initargs)
+
+JoinableQueue = Queue