fix ya.make

1 files changed, 0 insertions, 745 deletions

diff --git a/contrib/tools/python3/src/Lib/contextlib.py b/contrib/tools/python3/src/Lib/contextlib.py
deleted file mode 100644
index c63a8492e2d..00000000000
--- a/contrib/tools/python3/src/Lib/contextlib.py
+++ /dev/null
@@ -1,745 +0,0 @@
-"""Utilities for with-statement contexts.  See PEP 343."""
-import abc
-import sys
-import _collections_abc
-from collections import deque
-from functools import wraps
-from types import MethodType, GenericAlias
-
-__all__ = ["asynccontextmanager", "contextmanager", "closing", "nullcontext",
-           "AbstractContextManager", "AbstractAsyncContextManager",
-           "AsyncExitStack", "ContextDecorator", "ExitStack",
-           "redirect_stdout", "redirect_stderr", "suppress", "aclosing"]
-
-
-class AbstractContextManager(abc.ABC):
-
-    """An abstract base class for context managers."""
-
-    __class_getitem__ = classmethod(GenericAlias)
-
-    def __enter__(self):
-        """Return `self` upon entering the runtime context."""
-        return self
-
-    @abc.abstractmethod
-    def __exit__(self, exc_type, exc_value, traceback):
-        """Raise any exception triggered within the runtime context."""
-        return None
-
-    @classmethod
-    def __subclasshook__(cls, C):
-        if cls is AbstractContextManager:
-            return _collections_abc._check_methods(C, "__enter__", "__exit__")
-        return NotImplemented
-
-
-class AbstractAsyncContextManager(abc.ABC):
-
-    """An abstract base class for asynchronous context managers."""
-
-    __class_getitem__ = classmethod(GenericAlias)
-
-    async def __aenter__(self):
-        """Return `self` upon entering the runtime context."""
-        return self
-
-    @abc.abstractmethod
-    async def __aexit__(self, exc_type, exc_value, traceback):
-        """Raise any exception triggered within the runtime context."""
-        return None
-
-    @classmethod
-    def __subclasshook__(cls, C):
-        if cls is AbstractAsyncContextManager:
-            return _collections_abc._check_methods(C, "__aenter__",
-                                                   "__aexit__")
-        return NotImplemented
-
-
-class ContextDecorator(object):
-    "A base class or mixin that enables context managers to work as decorators."
-
-    def _recreate_cm(self):
-        """Return a recreated instance of self.
-
-        Allows an otherwise one-shot context manager like
-        _GeneratorContextManager to support use as
-        a decorator via implicit recreation.
-
-        This is a private interface just for _GeneratorContextManager.
-        See issue #11647 for details.
-        """
-        return self
-
-    def __call__(self, func):
-        @wraps(func)
-        def inner(*args, **kwds):
-            with self._recreate_cm():
-                return func(*args, **kwds)
-        return inner
-
-
-class AsyncContextDecorator(object):
-    "A base class or mixin that enables async context managers to work as decorators."
-
-    def _recreate_cm(self):
-        """Return a recreated instance of self.
-        """
-        return self
-
-    def __call__(self, func):
-        @wraps(func)
-        async def inner(*args, **kwds):
-            async with self._recreate_cm():
-                return await func(*args, **kwds)
-        return inner
-
-
-class _GeneratorContextManagerBase:
-    """Shared functionality for @contextmanager and @asynccontextmanager."""
-
-    def __init__(self, func, args, kwds):
-        self.gen = func(*args, **kwds)
-        self.func, self.args, self.kwds = func, args, kwds
-        # Issue 19330: ensure context manager instances have good docstrings
-        doc = getattr(func, "__doc__", None)
-        if doc is None:
-            doc = type(self).__doc__
-        self.__doc__ = doc
-        # Unfortunately, this still doesn't provide good help output when
-        # inspecting the created context manager instances, since pydoc
-        # currently bypasses the instance docstring and shows the docstring
-        # for the class instead.
-        # See http://bugs.python.org/issue19404 for more details.
-
-    def _recreate_cm(self):
-        # _GCMB instances are one-shot context managers, so the
-        # CM must be recreated each time a decorated function is
-        # called
-        return self.__class__(self.func, self.args, self.kwds)
-
-
-class _GeneratorContextManager(
-    _GeneratorContextManagerBase,
-    AbstractContextManager,
-    ContextDecorator,
-):
-    """Helper for @contextmanager decorator."""
-
-    def __enter__(self):
-        # do not keep args and kwds alive unnecessarily
-        # they are only needed for recreation, which is not possible anymore
-        del self.args, self.kwds, self.func
-        try:
-            return next(self.gen)
-        except StopIteration:
-            raise RuntimeError("generator didn't yield") from None
-
-    def __exit__(self, typ, value, traceback):
-        if typ is None:
-            try:
-                next(self.gen)
-            except StopIteration:
-                return False
-            else:
-                raise RuntimeError("generator didn't stop")
-        else:
-            if value is None:
-                # Need to force instantiation so we can reliably
-                # tell if we get the same exception back
-                value = typ()
-            try:
-                self.gen.throw(typ, value, traceback)
-            except StopIteration as exc:
-                # Suppress StopIteration *unless* it's the same exception that
-                # was passed to throw().  This prevents a StopIteration
-                # raised inside the "with" statement from being suppressed.
-                return exc is not value
-            except RuntimeError as exc:
-                # Don't re-raise the passed in exception. (issue27122)
-                if exc is value:
-                    return False
-                # Avoid suppressing if a StopIteration exception
-                # was passed to throw() and later wrapped into a RuntimeError
-                # (see PEP 479 for sync generators; async generators also
-                # have this behavior). But do this only if the exception wrapped
-                # by the RuntimeError is actually Stop(Async)Iteration (see
-                # issue29692).
-                if (
-                    isinstance(value, StopIteration)
-                    and exc.__cause__ is value
-                ):
-                    return False
-                raise
-            except BaseException as exc:
-                # only re-raise if it's *not* the exception that was
-                # passed to throw(), because __exit__() must not raise
-                # an exception unless __exit__() itself failed.  But throw()
-                # has to raise the exception to signal propagation, so this
-                # fixes the impedance mismatch between the throw() protocol
-                # and the __exit__() protocol.
-                if exc is not value:
-                    raise
-                return False
-            raise RuntimeError("generator didn't stop after throw()")
-
-class _AsyncGeneratorContextManager(
-    _GeneratorContextManagerBase,
-    AbstractAsyncContextManager,
-    AsyncContextDecorator,
-):
-    """Helper for @asynccontextmanager decorator."""
-
-    async def __aenter__(self):
-        # do not keep args and kwds alive unnecessarily
-        # they are only needed for recreation, which is not possible anymore
-        del self.args, self.kwds, self.func
-        try:
-            return await anext(self.gen)
-        except StopAsyncIteration:
-            raise RuntimeError("generator didn't yield") from None
-
-    async def __aexit__(self, typ, value, traceback):
-        if typ is None:
-            try:
-                await anext(self.gen)
-            except StopAsyncIteration:
-                return False
-            else:
-                raise RuntimeError("generator didn't stop")
-        else:
-            if value is None:
-                # Need to force instantiation so we can reliably
-                # tell if we get the same exception back
-                value = typ()
-            try:
-                await self.gen.athrow(typ, value, traceback)
-            except StopAsyncIteration as exc:
-                # Suppress StopIteration *unless* it's the same exception that
-                # was passed to throw().  This prevents a StopIteration
-                # raised inside the "with" statement from being suppressed.
-                return exc is not value
-            except RuntimeError as exc:
-                # Don't re-raise the passed in exception. (issue27122)
-                if exc is value:
-                    return False
-                # Avoid suppressing if a Stop(Async)Iteration exception
-                # was passed to athrow() and later wrapped into a RuntimeError
-                # (see PEP 479 for sync generators; async generators also
-                # have this behavior). But do this only if the exception wrapped
-                # by the RuntimeError is actully Stop(Async)Iteration (see
-                # issue29692).
-                if (
-                    isinstance(value, (StopIteration, StopAsyncIteration))
-                    and exc.__cause__ is value
-                ):
-                    return False
-                raise
-            except BaseException as exc:
-                # only re-raise if it's *not* the exception that was
-                # passed to throw(), because __exit__() must not raise
-                # an exception unless __exit__() itself failed.  But throw()
-                # has to raise the exception to signal propagation, so this
-                # fixes the impedance mismatch between the throw() protocol
-                # and the __exit__() protocol.
-                if exc is not value:
-                    raise
-                return False
-            raise RuntimeError("generator didn't stop after athrow()")
-
-
-def contextmanager(func):
-    """@contextmanager decorator.
-
-    Typical usage:
-
-        @contextmanager
-        def some_generator(<arguments>):
-            <setup>
-            try:
-                yield <value>
-            finally:
-                <cleanup>
-
-    This makes this:
-
-        with some_generator(<arguments>) as <variable>:
-            <body>
-
-    equivalent to this:
-
-        <setup>
-        try:
-            <variable> = <value>
-            <body>
-        finally:
-            <cleanup>
-    """
-    @wraps(func)
-    def helper(*args, **kwds):
-        return _GeneratorContextManager(func, args, kwds)
-    return helper
-
-
-def asynccontextmanager(func):
-    """@asynccontextmanager decorator.
-
-    Typical usage:
-
-        @asynccontextmanager
-        async def some_async_generator(<arguments>):
-            <setup>
-            try:
-                yield <value>
-            finally:
-                <cleanup>
-
-    This makes this:
-
-        async with some_async_generator(<arguments>) as <variable>:
-            <body>
-
-    equivalent to this:
-
-        <setup>
-        try:
-            <variable> = <value>
-            <body>
-        finally:
-            <cleanup>
-    """
-    @wraps(func)
-    def helper(*args, **kwds):
-        return _AsyncGeneratorContextManager(func, args, kwds)
-    return helper
-
-
-class closing(AbstractContextManager):
-    """Context to automatically close something at the end of a block.
-
-    Code like this:
-
-        with closing(<module>.open(<arguments>)) as f:
-            <block>
-
-    is equivalent to this:
-
-        f = <module>.open(<arguments>)
-        try:
-            <block>
-        finally:
-            f.close()
-
-    """
-    def __init__(self, thing):
-        self.thing = thing
-    def __enter__(self):
-        return self.thing
-    def __exit__(self, *exc_info):
-        self.thing.close()
-
-
-class aclosing(AbstractAsyncContextManager):
-    """Async context manager for safely finalizing an asynchronously cleaned-up
-    resource such as an async generator, calling its ``aclose()`` method.
-
-    Code like this:
-
-        async with aclosing(<module>.fetch(<arguments>)) as agen:
-            <block>
-
-    is equivalent to this:
-
-        agen = <module>.fetch(<arguments>)
-        try:
-            <block>
-        finally:
-            await agen.aclose()
-
-    """
-    def __init__(self, thing):
-        self.thing = thing
-    async def __aenter__(self):
-        return self.thing
-    async def __aexit__(self, *exc_info):
-        await self.thing.aclose()
-
-
-class _RedirectStream(AbstractContextManager):
-
-    _stream = None
-
-    def __init__(self, new_target):
-        self._new_target = new_target
-        # We use a list of old targets to make this CM re-entrant
-        self._old_targets = []
-
-    def __enter__(self):
-        self._old_targets.append(getattr(sys, self._stream))
-        setattr(sys, self._stream, self._new_target)
-        return self._new_target
-
-    def __exit__(self, exctype, excinst, exctb):
-        setattr(sys, self._stream, self._old_targets.pop())
-
-
-class redirect_stdout(_RedirectStream):
-    """Context manager for temporarily redirecting stdout to another file.
-
-        # How to send help() to stderr
-        with redirect_stdout(sys.stderr):
-            help(dir)
-
-        # How to write help() to a file
-        with open('help.txt', 'w') as f:
-            with redirect_stdout(f):
-                help(pow)
-    """
-
-    _stream = "stdout"
-
-
-class redirect_stderr(_RedirectStream):
-    """Context manager for temporarily redirecting stderr to another file."""
-
-    _stream = "stderr"
-
-
-class suppress(AbstractContextManager):
-    """Context manager to suppress specified exceptions
-
-    After the exception is suppressed, execution proceeds with the next
-    statement following the with statement.
-
-         with suppress(FileNotFoundError):
-             os.remove(somefile)
-         # Execution still resumes here if the file was already removed
-    """
-
-    def __init__(self, *exceptions):
-        self._exceptions = exceptions
-
-    def __enter__(self):
-        pass
-
-    def __exit__(self, exctype, excinst, exctb):
-        # Unlike isinstance and issubclass, CPython exception handling
-        # currently only looks at the concrete type hierarchy (ignoring
-        # the instance and subclass checking hooks). While Guido considers
-        # that a bug rather than a feature, it's a fairly hard one to fix
-        # due to various internal implementation details. suppress provides
-        # the simpler issubclass based semantics, rather than trying to
-        # exactly reproduce the limitations of the CPython interpreter.
-        #
-        # See http://bugs.python.org/issue12029 for more details
-        return exctype is not None and issubclass(exctype, self._exceptions)
-
-
-class _BaseExitStack:
-    """A base class for ExitStack and AsyncExitStack."""
-
-    @staticmethod
-    def _create_exit_wrapper(cm, cm_exit):
-        return MethodType(cm_exit, cm)
-
-    @staticmethod
-    def _create_cb_wrapper(callback, /, *args, **kwds):
-        def _exit_wrapper(exc_type, exc, tb):
-            callback(*args, **kwds)
-        return _exit_wrapper
-
-    def __init__(self):
-        self._exit_callbacks = deque()
-
-    def pop_all(self):
-        """Preserve the context stack by transferring it to a new instance."""
-        new_stack = type(self)()
-        new_stack._exit_callbacks = self._exit_callbacks
-        self._exit_callbacks = deque()
-        return new_stack
-
-    def push(self, exit):
-        """Registers a callback with the standard __exit__ method signature.
-
-        Can suppress exceptions the same way __exit__ method can.
-        Also accepts any object with an __exit__ method (registering a call
-        to the method instead of the object itself).
-        """
-        # We use an unbound method rather than a bound method to follow
-        # the standard lookup behaviour for special methods.
-        _cb_type = type(exit)
-
-        try:
-            exit_method = _cb_type.__exit__
-        except AttributeError:
-            # Not a context manager, so assume it's a callable.
-            self._push_exit_callback(exit)
-        else:
-            self._push_cm_exit(exit, exit_method)
-        return exit  # Allow use as a decorator.
-
-    def enter_context(self, cm):
-        """Enters the supplied context manager.
-
-        If successful, also pushes its __exit__ method as a callback and
-        returns the result of the __enter__ method.
-        """
-        # We look up the special methods on the type to match the with
-        # statement.
-        _cm_type = type(cm)
-        _exit = _cm_type.__exit__
-        result = _cm_type.__enter__(cm)
-        self._push_cm_exit(cm, _exit)
-        return result
-
-    def callback(self, callback, /, *args, **kwds):
-        """Registers an arbitrary callback and arguments.
-
-        Cannot suppress exceptions.
-        """
-        _exit_wrapper = self._create_cb_wrapper(callback, *args, **kwds)
-
-        # We changed the signature, so using @wraps is not appropriate, but
-        # setting __wrapped__ may still help with introspection.
-        _exit_wrapper.__wrapped__ = callback
-        self._push_exit_callback(_exit_wrapper)
-        return callback  # Allow use as a decorator
-
-    def _push_cm_exit(self, cm, cm_exit):
-        """Helper to correctly register callbacks to __exit__ methods."""
-        _exit_wrapper = self._create_exit_wrapper(cm, cm_exit)
-        self._push_exit_callback(_exit_wrapper, True)
-
-    def _push_exit_callback(self, callback, is_sync=True):
-        self._exit_callbacks.append((is_sync, callback))
-
-
-# Inspired by discussions on http://bugs.python.org/issue13585
-class ExitStack(_BaseExitStack, AbstractContextManager):
-    """Context manager for dynamic management of a stack of exit callbacks.
-
-    For example:
-        with ExitStack() as stack:
-            files = [stack.enter_context(open(fname)) for fname in filenames]
-            # All opened files will automatically be closed at the end of
-            # the with statement, even if attempts to open files later
-            # in the list raise an exception.
-    """
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, *exc_details):
-        received_exc = exc_details[0] is not None
-
-        # We manipulate the exception state so it behaves as though
-        # we were actually nesting multiple with statements
-        frame_exc = sys.exc_info()[1]
-        def _fix_exception_context(new_exc, old_exc):
-            # Context may not be correct, so find the end of the chain
-            while 1:
-                exc_context = new_exc.__context__
-                if exc_context is None or exc_context is old_exc:
-                    # Context is already set correctly (see issue 20317)
-                    return
-                if exc_context is frame_exc:
-                    break
-                new_exc = exc_context
-            # Change the end of the chain to point to the exception
-            # we expect it to reference
-            new_exc.__context__ = old_exc
-
-        # Callbacks are invoked in LIFO order to match the behaviour of
-        # nested context managers
-        suppressed_exc = False
-        pending_raise = False
-        while self._exit_callbacks:
-            is_sync, cb = self._exit_callbacks.pop()
-            assert is_sync
-            try:
-                if cb(*exc_details):
-                    suppressed_exc = True
-                    pending_raise = False
-                    exc_details = (None, None, None)
-            except:
-                new_exc_details = sys.exc_info()
-                # simulate the stack of exceptions by setting the context
-                _fix_exception_context(new_exc_details[1], exc_details[1])
-                pending_raise = True
-                exc_details = new_exc_details
-        if pending_raise:
-            try:
-                # bare "raise exc_details[1]" replaces our carefully
-                # set-up context
-                fixed_ctx = exc_details[1].__context__
-                raise exc_details[1]
-            except BaseException:
-                exc_details[1].__context__ = fixed_ctx
-                raise
-        return received_exc and suppressed_exc
-
-    def close(self):
-        """Immediately unwind the context stack."""
-        self.__exit__(None, None, None)
-
-
-# Inspired by discussions on https://bugs.python.org/issue29302
-class AsyncExitStack(_BaseExitStack, AbstractAsyncContextManager):
-    """Async context manager for dynamic management of a stack of exit
-    callbacks.
-
-    For example:
-        async with AsyncExitStack() as stack:
-            connections = [await stack.enter_async_context(get_connection())
-                for i in range(5)]
-            # All opened connections will automatically be released at the
-            # end of the async with statement, even if attempts to open a
-            # connection later in the list raise an exception.
-    """
-
-    @staticmethod
-    def _create_async_exit_wrapper(cm, cm_exit):
-        return MethodType(cm_exit, cm)
-
-    @staticmethod
-    def _create_async_cb_wrapper(callback, /, *args, **kwds):
-        async def _exit_wrapper(exc_type, exc, tb):
-            await callback(*args, **kwds)
-        return _exit_wrapper
-
-    async def enter_async_context(self, cm):
-        """Enters the supplied async context manager.
-
-        If successful, also pushes its __aexit__ method as a callback and
-        returns the result of the __aenter__ method.
-        """
-        _cm_type = type(cm)
-        _exit = _cm_type.__aexit__
-        result = await _cm_type.__aenter__(cm)
-        self._push_async_cm_exit(cm, _exit)
-        return result
-
-    def push_async_exit(self, exit):
-        """Registers a coroutine function with the standard __aexit__ method
-        signature.
-
-        Can suppress exceptions the same way __aexit__ method can.
-        Also accepts any object with an __aexit__ method (registering a call
-        to the method instead of the object itself).
-        """
-        _cb_type = type(exit)
-        try:
-            exit_method = _cb_type.__aexit__
-        except AttributeError:
-            # Not an async context manager, so assume it's a coroutine function
-            self._push_exit_callback(exit, False)
-        else:
-            self._push_async_cm_exit(exit, exit_method)
-        return exit  # Allow use as a decorator
-
-    def push_async_callback(self, callback, /, *args, **kwds):
-        """Registers an arbitrary coroutine function and arguments.
-
-        Cannot suppress exceptions.
-        """
-        _exit_wrapper = self._create_async_cb_wrapper(callback, *args, **kwds)
-
-        # We changed the signature, so using @wraps is not appropriate, but
-        # setting __wrapped__ may still help with introspection.
-        _exit_wrapper.__wrapped__ = callback
-        self._push_exit_callback(_exit_wrapper, False)
-        return callback  # Allow use as a decorator
-
-    async def aclose(self):
-        """Immediately unwind the context stack."""
-        await self.__aexit__(None, None, None)
-
-    def _push_async_cm_exit(self, cm, cm_exit):
-        """Helper to correctly register coroutine function to __aexit__
-        method."""
-        _exit_wrapper = self._create_async_exit_wrapper(cm, cm_exit)
-        self._push_exit_callback(_exit_wrapper, False)
-
-    async def __aenter__(self):
-        return self
-
-    async def __aexit__(self, *exc_details):
-        received_exc = exc_details[0] is not None
-
-        # We manipulate the exception state so it behaves as though
-        # we were actually nesting multiple with statements
-        frame_exc = sys.exc_info()[1]
-        def _fix_exception_context(new_exc, old_exc):
-            # Context may not be correct, so find the end of the chain
-            while 1:
-                exc_context = new_exc.__context__
-                if exc_context is None or exc_context is old_exc:
-                    # Context is already set correctly (see issue 20317)
-                    return
-                if exc_context is frame_exc:
-                    break
-                new_exc = exc_context
-            # Change the end of the chain to point to the exception
-            # we expect it to reference
-            new_exc.__context__ = old_exc
-
-        # Callbacks are invoked in LIFO order to match the behaviour of
-        # nested context managers
-        suppressed_exc = False
-        pending_raise = False
-        while self._exit_callbacks:
-            is_sync, cb = self._exit_callbacks.pop()
-            try:
-                if is_sync:
-                    cb_suppress = cb(*exc_details)
-                else:
-                    cb_suppress = await cb(*exc_details)
-
-                if cb_suppress:
-                    suppressed_exc = True
-                    pending_raise = False
-                    exc_details = (None, None, None)
-            except:
-                new_exc_details = sys.exc_info()
-                # simulate the stack of exceptions by setting the context
-                _fix_exception_context(new_exc_details[1], exc_details[1])
-                pending_raise = True
-                exc_details = new_exc_details
-        if pending_raise:
-            try:
-                # bare "raise exc_details[1]" replaces our carefully
-                # set-up context
-                fixed_ctx = exc_details[1].__context__
-                raise exc_details[1]
-            except BaseException:
-                exc_details[1].__context__ = fixed_ctx
-                raise
-        return received_exc and suppressed_exc
-
-
-class nullcontext(AbstractContextManager, AbstractAsyncContextManager):
-    """Context manager that does no additional processing.
-
-    Used as a stand-in for a normal context manager, when a particular
-    block of code is only sometimes used with a normal context manager:
-
-    cm = optional_cm if condition else nullcontext()
-    with cm:
-        # Perform operation, using optional_cm if condition is True
-    """
-
-    def __init__(self, enter_result=None):
-        self.enter_result = enter_result
-
-    def __enter__(self):
-        return self.enter_result
-
-    def __exit__(self, *excinfo):
-        pass
-
-    async def __aenter__(self):
-        return self.enter_result
-
-    async def __aexit__(self, *excinfo):
-        pass