117 lines
2.8 KiB
Cython
117 lines
2.8 KiB
Cython
import enum
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class FileSystemEvent(enum.IntEnum):
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RENAME = uv.UV_RENAME
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CHANGE = uv.UV_CHANGE
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RENAME_CHANGE = RENAME | CHANGE
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@cython.no_gc_clear
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cdef class UVFSEvent(UVHandle):
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cdef _init(self, Loop loop, object callback, object context):
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cdef int err
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self._start_init(loop)
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self._handle = <uv.uv_handle_t*>PyMem_RawMalloc(
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sizeof(uv.uv_fs_event_t)
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)
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if self._handle is NULL:
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self._abort_init()
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raise MemoryError()
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err = uv.uv_fs_event_init(
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self._loop.uvloop, <uv.uv_fs_event_t*>self._handle
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)
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if err < 0:
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self._abort_init()
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raise convert_error(err)
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self._finish_init()
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self.running = 0
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self.callback = callback
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if context is None:
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context = Context_CopyCurrent()
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self.context = context
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cdef start(self, char* path, int flags):
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cdef int err
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self._ensure_alive()
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if self.running == 0:
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err = uv.uv_fs_event_start(
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<uv.uv_fs_event_t*>self._handle,
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__uvfsevent_callback,
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path,
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flags,
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)
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if err < 0:
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exc = convert_error(err)
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self._fatal_error(exc, True)
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return
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self.running = 1
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cdef stop(self):
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cdef int err
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if not self._is_alive():
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self.running = 0
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return
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if self.running == 1:
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err = uv.uv_fs_event_stop(<uv.uv_fs_event_t*>self._handle)
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self.running = 0
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if err < 0:
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exc = convert_error(err)
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self._fatal_error(exc, True)
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return
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cdef _close(self):
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try:
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self.stop()
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finally:
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UVHandle._close(<UVHandle>self)
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def cancel(self):
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self._close()
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def cancelled(self):
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return self.running == 0
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@staticmethod
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cdef UVFSEvent new(Loop loop, object callback, object context):
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cdef UVFSEvent handle
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handle = UVFSEvent.__new__(UVFSEvent)
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handle._init(loop, callback, context)
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return handle
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cdef void __uvfsevent_callback(
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uv.uv_fs_event_t* handle,
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const char *filename,
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int events,
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int status,
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) noexcept with gil:
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if __ensure_handle_data(
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<uv.uv_handle_t*>handle, "UVFSEvent callback"
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) == 0:
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return
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cdef:
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UVFSEvent fs_event = <UVFSEvent> handle.data
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Handle h
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try:
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h = new_Handle(
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fs_event._loop,
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fs_event.callback,
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(filename, FileSystemEvent(events)),
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fs_event.context,
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)
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h._run()
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except BaseException as ex:
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fs_event._error(ex, False)
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