Ejemplo n.º 1
0
 def load_model(self):
     """
     Load a btree index from the configured cache element. This only occurs
     if there is a cache element configured and there are bytes there to
     read.
     """
     with self._model_lock:
         if self.cache_element and not self.cache_element.is_empty():
             self._log.debug("Loading model from cache: %s",
                             self.cache_element)
             buff = BytesIO(self.cache_element.get_bytes())
             # noinspection PyTypeChecker
             with np.load(buff, allow_pickle=True) as cache:
                 tail = tuple(cache['tail'])
                 s = [
                     cache['data_arr'], cache['idx_array_arr'],
                     cache['node_data_arr'], cache['node_bounds_arr']
                 ]
                 s.extend(tail)
                 s[11] = DistanceMetric.get_metric('hamming')
                 s = tuple(s)
             # noinspection PyTypeChecker
             #: :type: sklearn.neighbors.BallTree
             self.bt = BallTree.__new__(BallTree)
             self.bt.__setstate__(s)
             self._log.debug("Loading mode: Done")
Ejemplo n.º 2
0
 def load_model(self):
     if self.file_cache and os.path.isfile(self.file_cache):
         self._log.debug("Loading mode: %s", self.file_cache)
         with numpy.load(self.file_cache) as cache:
             tail = tuple(cache['tail'])
             s = (cache['data_arr'], cache['idx_array_arr'],
                  cache['node_data_arr'], cache['node_bounds_arr']) +\
                 tail + (DistanceMetric.get_metric('hamming'),)
         #: :type: sklearn.neighbors.BallTree
         self.bt = BallTree.__new__(BallTree)
         self.bt.__setstate__(s)
         self._log.debug("Loading mode: Done")
Ejemplo n.º 3
0
 def load_model(self):
     if self.file_cache and os.path.isfile(self.file_cache):
         self._log.debug("Loading mode: %s", self.file_cache)
         with numpy.load(self.file_cache) as cache:
             tail = tuple(cache['tail'])
             s = (cache['data_arr'], cache['idx_array_arr'],
                  cache['node_data_arr'], cache['node_bounds_arr']) +\
                 tail + (DistanceMetric.get_metric('hamming'),)
         #: :type: sklearn.neighbors.BallTree
         self.bt = BallTree.__new__(BallTree)
         self.bt.__setstate__(s)
         self._log.debug("Loading mode: Done")
Ejemplo n.º 4
0
 def load_model(self):
     """
     Load a btree index from the configured cache element. This only occurs
     if there is a cache element configured and there are bytes there to
     read.
     """
     if self.cache_element and not self.cache_element.is_empty():
         self._log.debug("Loading model from cache: %s", self.cache_element)
         buff = StringIO(self.cache_element.get_bytes())
         with numpy.load(buff) as cache:
             tail = tuple(cache['tail'])
             s = (cache['data_arr'], cache['idx_array_arr'],
                  cache['node_data_arr'], cache['node_bounds_arr']) +\
                 tail + (DistanceMetric.get_metric('hamming'),)
         #: :type: sklearn.neighbors.BallTree
         self.bt = BallTree.__new__(BallTree)
         self.bt.__setstate__(s)
         self._log.debug("Loading mode: Done")