更新windows内置office目录名, 适配jodconverter

server/libreoffice/program/python-core-3.8.8/lib/concurrent/__init__.py

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+# This directory is a Python package.

server/libreoffice/program/python-core-3.8.8/lib/concurrent/futures/__init__.py

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+# Copyright 2009 Brian Quinlan. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Execute computations asynchronously using threads or processes."""
+
+__author__ = 'Brian Quinlan (brian@sweetapp.com)'
+
+from concurrent.futures._base import (FIRST_COMPLETED,
+                                      FIRST_EXCEPTION,
+                                      ALL_COMPLETED,
+                                      CancelledError,
+                                      TimeoutError,
+                                      InvalidStateError,
+                                      BrokenExecutor,
+                                      Future,
+                                      Executor,
+                                      wait,
+                                      as_completed)
+
+__all__ = (
+    'FIRST_COMPLETED',
+    'FIRST_EXCEPTION',
+    'ALL_COMPLETED',
+    'CancelledError',
+    'TimeoutError',
+    'BrokenExecutor',
+    'Future',
+    'Executor',
+    'wait',
+    'as_completed',
+    'ProcessPoolExecutor',
+    'ThreadPoolExecutor',
+)
+
+
+def __dir__():
+    return __all__ + ('__author__', '__doc__')
+
+
+def __getattr__(name):
+    global ProcessPoolExecutor, ThreadPoolExecutor
+
+    if name == 'ProcessPoolExecutor':
+        from .process import ProcessPoolExecutor as pe
+        ProcessPoolExecutor = pe
+        return pe
+
+    if name == 'ThreadPoolExecutor':
+        from .thread import ThreadPoolExecutor as te
+        ThreadPoolExecutor = te
+        return te
+
+    raise AttributeError(f"module {__name__} has no attribute {name}")

server/libreoffice/program/python-core-3.8.8/lib/concurrent/futures/thread.py

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+# Copyright 2009 Brian Quinlan. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Implements ThreadPoolExecutor."""
+
+__author__ = 'Brian Quinlan (brian@sweetapp.com)'
+
+import atexit
+from concurrent.futures import _base
+import itertools
+import queue
+import threading
+import weakref
+import os
+
+# Workers are created as daemon threads. This is done to allow the interpreter
+# to exit when there are still idle threads in a ThreadPoolExecutor's thread
+# pool (i.e. shutdown() was not called). However, allowing workers to die with
+# the interpreter has two undesirable properties:
+#   - The workers would still be running during interpreter shutdown,
+#     meaning that they would fail in unpredictable ways.
+#   - The workers could be killed while evaluating a work item, which could
+#     be bad if the callable being evaluated has external side-effects e.g.
+#     writing to a file.
+#
+# To work around this problem, an exit handler is installed which tells the
+# workers to exit when their work queues are empty and then waits until the
+# threads finish.
+
+_threads_queues = weakref.WeakKeyDictionary()
+_shutdown = False
+
+def _python_exit():
+    global _shutdown
+    _shutdown = True
+    items = list(_threads_queues.items())
+    for t, q in items:
+        q.put(None)
+    for t, q in items:
+        t.join()
+
+atexit.register(_python_exit)
+
+
+class _WorkItem(object):
+    def __init__(self, future, fn, args, kwargs):
+        self.future = future
+        self.fn = fn
+        self.args = args
+        self.kwargs = kwargs
+
+    def run(self):
+        if not self.future.set_running_or_notify_cancel():
+            return
+
+        try:
+            result = self.fn(*self.args, **self.kwargs)
+        except BaseException as exc:
+            self.future.set_exception(exc)
+            # Break a reference cycle with the exception 'exc'
+            self = None
+        else:
+            self.future.set_result(result)
+
+
+def _worker(executor_reference, work_queue, initializer, initargs):
+    if initializer is not None:
+        try:
+            initializer(*initargs)
+        except BaseException:
+            _base.LOGGER.critical('Exception in initializer:', exc_info=True)
+            executor = executor_reference()
+            if executor is not None:
+                executor._initializer_failed()
+            return
+    try:
+        while True:
+            work_item = work_queue.get(block=True)
+            if work_item is not None:
+                work_item.run()
+                # Delete references to object. See issue16284
+                del work_item
+
+                # attempt to increment idle count
+                executor = executor_reference()
+                if executor is not None:
+                    executor._idle_semaphore.release()
+                del executor
+                continue
+
+            executor = executor_reference()
+            # Exit if:
+            #   - The interpreter is shutting down OR
+            #   - The executor that owns the worker has been collected OR
+            #   - The executor that owns the worker has been shutdown.
+            if _shutdown or executor is None or executor._shutdown:
+                # Flag the executor as shutting down as early as possible if it
+                # is not gc-ed yet.
+                if executor is not None:
+                    executor._shutdown = True
+                # Notice other workers
+                work_queue.put(None)
+                return
+            del executor
+    except BaseException:
+        _base.LOGGER.critical('Exception in worker', exc_info=True)
+
+
+class BrokenThreadPool(_base.BrokenExecutor):
+    """
+    Raised when a worker thread in a ThreadPoolExecutor failed initializing.
+    """
+
+
+class ThreadPoolExecutor(_base.Executor):
+
+    # Used to assign unique thread names when thread_name_prefix is not supplied.
+    _counter = itertools.count().__next__
+
+    def __init__(self, max_workers=None, thread_name_prefix='',
+                 initializer=None, initargs=()):
+        """Initializes a new ThreadPoolExecutor instance.
+
+        Args:
+            max_workers: The maximum number of threads that can be used to
+                execute the given calls.
+            thread_name_prefix: An optional name prefix to give our threads.
+            initializer: A callable used to initialize worker threads.
+            initargs: A tuple of arguments to pass to the initializer.
+        """
+        if max_workers is None:
+            # ThreadPoolExecutor is often used to:
+            # * CPU bound task which releases GIL
+            # * I/O bound task (which releases GIL, of course)
+            #
+            # We use cpu_count + 4 for both types of tasks.
+            # But we limit it to 32 to avoid consuming surprisingly large resource
+            # on many core machine.
+            max_workers = min(32, (os.cpu_count() or 1) + 4)
+        if max_workers <= 0:
+            raise ValueError("max_workers must be greater than 0")
+
+        if initializer is not None and not callable(initializer):
+            raise TypeError("initializer must be a callable")
+
+        self._max_workers = max_workers
+        self._work_queue = queue.SimpleQueue()
+        self._idle_semaphore = threading.Semaphore(0)
+        self._threads = set()
+        self._broken = False
+        self._shutdown = False
+        self._shutdown_lock = threading.Lock()
+        self._thread_name_prefix = (thread_name_prefix or
+                                    ("ThreadPoolExecutor-%d" % self._counter()))
+        self._initializer = initializer
+        self._initargs = initargs
+
+    def submit(*args, **kwargs):
+        if len(args) >= 2:
+            self, fn, *args = args
+        elif not args:
+            raise TypeError("descriptor 'submit' of 'ThreadPoolExecutor' object "
+                            "needs an argument")
+        elif 'fn' in kwargs:
+            fn = kwargs.pop('fn')
+            self, *args = args
+            import warnings
+            warnings.warn("Passing 'fn' as keyword argument is deprecated",
+                          DeprecationWarning, stacklevel=2)
+        else:
+            raise TypeError('submit expected at least 1 positional argument, '
+                            'got %d' % (len(args)-1))
+
+        with self._shutdown_lock:
+            if self._broken:
+                raise BrokenThreadPool(self._broken)
+
+            if self._shutdown:
+                raise RuntimeError('cannot schedule new futures after shutdown')
+            if _shutdown:
+                raise RuntimeError('cannot schedule new futures after '
+                                   'interpreter shutdown')
+
+            f = _base.Future()
+            w = _WorkItem(f, fn, args, kwargs)
+
+            self._work_queue.put(w)
+            self._adjust_thread_count()
+            return f
+    submit.__text_signature__ = _base.Executor.submit.__text_signature__
+    submit.__doc__ = _base.Executor.submit.__doc__
+
+    def _adjust_thread_count(self):
+        # if idle threads are available, don't spin new threads
+        if self._idle_semaphore.acquire(timeout=0):
+            return
+
+        # When the executor gets lost, the weakref callback will wake up
+        # the worker threads.
+        def weakref_cb(_, q=self._work_queue):
+            q.put(None)
+
+        num_threads = len(self._threads)
+        if num_threads < self._max_workers:
+            thread_name = '%s_%d' % (self._thread_name_prefix or self,
+                                     num_threads)
+            t = threading.Thread(name=thread_name, target=_worker,
+                                 args=(weakref.ref(self, weakref_cb),
+                                       self._work_queue,
+                                       self._initializer,
+                                       self._initargs))
+            t.daemon = True
+            t.start()
+            self._threads.add(t)
+            _threads_queues[t] = self._work_queue
+
+    def _initializer_failed(self):
+        with self._shutdown_lock:
+            self._broken = ('A thread initializer failed, the thread pool '
+                            'is not usable anymore')
+            # Drain work queue and mark pending futures failed
+            while True:
+                try:
+                    work_item = self._work_queue.get_nowait()
+                except queue.Empty:
+                    break
+                if work_item is not None:
+                    work_item.future.set_exception(BrokenThreadPool(self._broken))
+
+    def shutdown(self, wait=True):
+        with self._shutdown_lock:
+            self._shutdown = True
+            self._work_queue.put(None)
+        if wait:
+            for t in self._threads:
+                t.join()
+    shutdown.__doc__ = _base.Executor.shutdown.__doc__