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75 lines
1.9 KiB
75 lines
1.9 KiB
2 years ago
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"""
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This namespace represents low-level functionality not intended for daily use,
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but useful for extending Trio's functionality.
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"""
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import select as _select
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import sys
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import typing as _t
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# This is the union of a subset of trio/_core/ and some things from trio/*.py.
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# See comments in trio/__init__.py for details. To make static analysis easier,
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# this lists all possible symbols from trio._core, and then we prune those that
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# aren't available on this system. After that we add some symbols from trio/*.py.
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# Generally available symbols
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from ._core import (
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cancel_shielded_checkpoint,
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Abort,
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wait_task_rescheduled,
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enable_ki_protection,
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disable_ki_protection,
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currently_ki_protected,
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Task,
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checkpoint,
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current_task,
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ParkingLot,
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UnboundedQueue,
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RunVar,
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TrioToken,
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current_trio_token,
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temporarily_detach_coroutine_object,
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permanently_detach_coroutine_object,
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reattach_detached_coroutine_object,
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current_statistics,
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reschedule,
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remove_instrument,
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add_instrument,
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current_clock,
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current_root_task,
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checkpoint_if_cancelled,
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spawn_system_task,
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wait_readable,
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wait_writable,
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notify_closing,
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start_thread_soon,
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start_guest_run,
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)
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from ._subprocess import open_process
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if sys.platform == "win32":
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# Windows symbols
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from ._core import (
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current_iocp,
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register_with_iocp,
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wait_overlapped,
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monitor_completion_key,
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readinto_overlapped,
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write_overlapped,
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)
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from ._wait_for_object import WaitForSingleObject
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else:
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# Unix symbols
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from ._unix_pipes import FdStream
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# Kqueue-specific symbols
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if sys.platform != "linux" and (_t.TYPE_CHECKING or not hasattr(_select, "epoll")):
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from ._core import (
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current_kqueue,
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monitor_kevent,
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wait_kevent,
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)
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del sys
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