diff options
Diffstat (limited to 'venv/lib/python3.11/site-packages/uvloop/handles/fsevent.pyx')
-rw-r--r-- | venv/lib/python3.11/site-packages/uvloop/handles/fsevent.pyx | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/uvloop/handles/fsevent.pyx b/venv/lib/python3.11/site-packages/uvloop/handles/fsevent.pyx new file mode 100644 index 0000000..6ed6433 --- /dev/null +++ b/venv/lib/python3.11/site-packages/uvloop/handles/fsevent.pyx @@ -0,0 +1,116 @@ +import enum + + +class FileSystemEvent(enum.IntEnum): + RENAME = uv.UV_RENAME + CHANGE = uv.UV_CHANGE + RENAME_CHANGE = RENAME | CHANGE + + +@cython.no_gc_clear +cdef class UVFSEvent(UVHandle): + cdef _init(self, Loop loop, object callback, object context): + cdef int err + + self._start_init(loop) + + self._handle = <uv.uv_handle_t*>PyMem_RawMalloc( + sizeof(uv.uv_fs_event_t) + ) + if self._handle is NULL: + self._abort_init() + raise MemoryError() + + err = uv.uv_fs_event_init( + self._loop.uvloop, <uv.uv_fs_event_t*>self._handle + ) + if err < 0: + self._abort_init() + raise convert_error(err) + + self._finish_init() + + self.running = 0 + self.callback = callback + if context is None: + context = Context_CopyCurrent() + self.context = context + + cdef start(self, char* path, int flags): + cdef int err + + self._ensure_alive() + + if self.running == 0: + err = uv.uv_fs_event_start( + <uv.uv_fs_event_t*>self._handle, + __uvfsevent_callback, + path, + flags, + ) + if err < 0: + exc = convert_error(err) + self._fatal_error(exc, True) + return + self.running = 1 + + cdef stop(self): + cdef int err + + if not self._is_alive(): + self.running = 0 + return + + if self.running == 1: + err = uv.uv_fs_event_stop(<uv.uv_fs_event_t*>self._handle) + self.running = 0 + if err < 0: + exc = convert_error(err) + self._fatal_error(exc, True) + return + + cdef _close(self): + try: + self.stop() + finally: + UVHandle._close(<UVHandle>self) + + def cancel(self): + self._close() + + def cancelled(self): + return self.running == 0 + + @staticmethod + cdef UVFSEvent new(Loop loop, object callback, object context): + cdef UVFSEvent handle + handle = UVFSEvent.__new__(UVFSEvent) + handle._init(loop, callback, context) + return handle + + +cdef void __uvfsevent_callback( + uv.uv_fs_event_t* handle, + const char *filename, + int events, + int status, +) noexcept with gil: + if __ensure_handle_data( + <uv.uv_handle_t*>handle, "UVFSEvent callback" + ) == 0: + return + + cdef: + UVFSEvent fs_event = <UVFSEvent> handle.data + Handle h + + try: + h = new_Handle( + fs_event._loop, + fs_event.callback, + (filename, FileSystemEvent(events)), + fs_event.context, + ) + h._run() + except BaseException as ex: + fs_event._error(ex, False) |