Exemple #1
0
 def step_down(self, i, subtiles):
     self.level_progresses.append((i, subtiles))
     self.progress_str_parts.append(status_symbol(i, subtiles))
     self.level_progress_percentages.append(self.level_progress_percentages[-1] / subtiles)
     yield
     self.level_progress_percentages.pop()
     self.progress_str_parts.pop()
     self.level_progresses.pop()
Exemple #2
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 def step_down(self, i, subtiles):
     self.level_progresses.append((i, subtiles))
     self.progress_str_parts.append(status_symbol(i, subtiles))
     self.level_progress_percentages.append(self.level_progress_percentages[-1] / subtiles)
     yield
     self.level_progress_percentages.pop()
     self.progress_str_parts.pop()
     self.level_progresses.pop()
Exemple #3
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    def step_down(self, i, subtiles):
        if self.level_progresses is None:
            self.level_progresses = []
        self.level_progresses = self.level_progresses[:self.level_progresses_level]
        self.level_progresses.append((i, subtiles))
        self.level_progresses_level += 1
        self.progress_str_parts.append(status_symbol(i, subtiles))
        self.level_progress_percentages.append(self.level_progress_percentages[-1] / subtiles)

        yield

        self.level_progress_percentages.pop()
        self.progress_str_parts.pop()

        self.level_progresses_level -= 1
        if self.level_progresses_level == 0:
            self.level_progresses = []
Exemple #4
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    def step_down(self, i, subtiles):
        if self.level_progresses is None:
            self.level_progresses = []
        self.level_progresses = self.level_progresses[:self.level_progresses_level]
        self.level_progresses.append((i, subtiles))
        self.level_progresses_level += 1
        self.progress_str_parts.append(status_symbol(i, subtiles))
        self.level_progress_percentages.append(self.level_progress_percentages[-1] / subtiles)

        yield

        self.level_progress_percentages.pop()
        self.progress_str_parts.pop()

        self.level_progresses_level -= 1
        if self.level_progresses_level == 0:
            self.level_progresses = []
Exemple #5
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    def _walk(self,
              cur_bbox,
              levels,
              progess_str='',
              progress=1.0,
              all_subtiles=False):
        """
        :param cur_bbox: the bbox to seed in this call
        :param levels: list of levels to seed
        :param all_subtiles: seed all subtiles and do not check for
                             intersections with bbox/geom
        """
        current_level, levels = levels[0], levels[1:]
        bbox_, tiles, subtiles = self.grid.get_affected_level_tiles(
            cur_bbox, current_level)
        total_subtiles = tiles[0] * tiles[1]

        if len(levels) < self.skip_geoms_for_last_levels:
            # do not filter in last levels
            all_subtiles = True
        subtiles = self._filter_subtiles(subtiles, all_subtiles)

        if current_level <= self.report_till_level:
            self.report_progress(current_level, cur_bbox)

        progress = progress / total_subtiles
        for i, (subtile, sub_bbox, intersection) in enumerate(subtiles):
            if subtile is None:  # no intersection
                self.progress += progress
                continue
            if levels:  # recurse to next level
                sub_bbox = limit_sub_bbox(cur_bbox, sub_bbox)
                cur_progess_str = progess_str + status_symbol(
                    i, total_subtiles)
                if intersection == CONTAINS:
                    all_subtiles = True
                else:
                    all_subtiles = False
                self._walk(sub_bbox,
                           levels,
                           cur_progess_str,
                           all_subtiles=all_subtiles,
                           progress=progress)

            if not self.work_on_metatiles:
                # collect actual tiles
                handle_tiles = self.grid.tile_list(subtile)
            else:
                handle_tiles = [subtile]

            if self.handle_uncached:
                handle_tiles = [
                    t for t in handle_tiles
                    if t is not None and not self.tile_mgr.is_cached(t)
                ]
            elif self.handle_stale:
                handle_tiles = [
                    t for t in handle_tiles
                    if t is not None and self.tile_mgr.is_stale(t)
                ]
            if handle_tiles:
                self.count += 1
                self.worker_pool.process(
                    handle_tiles, (progess_str, self.progress, self.eta))

            if not levels:
                self.progress += progress

        if len(levels) >= 4:
            # call cleanup to close open caches
            # for connection based caches
            self.tile_mgr.cleanup()
        self.eta.update(self.progress)
Exemple #6
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 def _walk(self, cur_bbox, levels, progess_str='', progress=1.0, all_subtiles=False):
     """
     :param cur_bbox: the bbox to seed in this call
     :param levels: list of levels to seed
     :param all_subtiles: seed all subtiles and do not check for
                          intersections with bbox/geom
     """
     current_level, levels = levels[0], levels[1:]
     bbox_, tiles, subtiles = self.grid.get_affected_level_tiles(cur_bbox, current_level)
     total_subtiles = tiles[0] * tiles[1]
     
     if len(levels) < self.skip_geoms_for_last_levels:
         # do not filter in last levels
         all_subtiles = True
     subtiles = self._filter_subtiles(subtiles, all_subtiles)
     
     if current_level <= self.report_till_level:
         self.report_progress(current_level, cur_bbox)
     
     progress = progress / total_subtiles
     for i, (subtile, sub_bbox, intersection) in enumerate(subtiles):
         if subtile is None: # no intersection
             self.progress += progress
             continue
         if levels: # recurse to next level
             sub_bbox = limit_sub_bbox(cur_bbox, sub_bbox)
             cur_progess_str = progess_str + status_symbol(i, total_subtiles)
             if intersection == CONTAINS:
                 all_subtiles = True
             else:
                 all_subtiles = False
             self._walk(sub_bbox, levels, cur_progess_str,
                        all_subtiles=all_subtiles, progress=progress)
         
         if not self.work_on_metatiles:
             # collect actual tiles
             handle_tiles = self.grid.tile_list(subtile)
         else:
             handle_tiles = [subtile]
         
         if self.handle_uncached:
             handle_tiles = [t for t in handle_tiles if
                                 t is not None and
                                 not self.tile_mgr.is_cached(t)]
         elif self.handle_stale:
             handle_tiles = [t for t in handle_tiles if
                                 t is not None and
                                 self.tile_mgr.is_stale(t)]
         if handle_tiles:
             self.count += 1
             self.worker_pool.process(handle_tiles,
                 (progess_str, self.progress, self.eta))
             
         if not levels:
             self.progress += progress
     
     if len(levels) >= 4:
         # call cleanup to close open caches
         # for connection based caches
         self.tile_mgr.cleanup()
     self.eta.update(self.progress)