Exemplo n.º 1
0
    def test_seed_with_res_list(self):
        if not load_wkt: raise SkipTest('no shapely installed')
        # box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
        geom = load_wkt(
            "POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")

        self.grid = TileGrid(
            SRS(4326),
            bbox=[-180, -90, 180, 90],
            res=[360 / 256, 360 / 720, 360 / 2000, 360 / 5000, 360 / 8000])
        self.tile_mgr = TileManager(self.grid,
                                    MockCache(), [self.source],
                                    'png',
                                    locker=DummyLocker())
        task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 5)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.grid.grid_sizes[1], (3, 2))
        eq_(self.seed_pool.seeded_tiles[1],
            set([(1, 0), (1, 1), (2, 0), (2, 1)]))
        eq_(self.grid.grid_sizes[2], (8, 4))
        eq_(self.seed_pool.seeded_tiles[2],
            set([(4, 2), (5, 2), (4, 3), (5, 3), (3, 3)]))
        eq_(self.grid.grid_sizes[3], (20, 10))
        eq_(len(self.seed_pool.seeded_tiles[3]), 5 * 5 + 2)
Exemplo n.º 2
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    def process(self):
        log.debug('Start raster import process. Task %d' % self.task_id)
        try:
            with self.task() as task:
                seed_task = self.create_seed_task(task)
                progress_logger = self.create_progress_logger(task)
                start_progress = parse_progress_identifier(task.seed_progress)
                self.terminate_event = threading.Event()
                seed_progress = SeedProgress(self.terminate_event, start_progress)
                if seed_task.refresh_timestamp is not None:
                    seed_task.tile_manager._expire_timestamp = seed_task.refresh_timestamp
                seed_worker_factory = partial(TileSeedWorker, self.terminate_event)
                self.tile_worker_pool = TileWorkerPool(seed_task, seed_worker_factory,
                    size=4, progress_logger=progress_logger)
                tile_walker = TileWalker(seed_task, self.tile_worker_pool, handle_uncached=True,
                    progress_logger=progress_logger,
                    seed_progress=seed_progress)
                tile_walker.walk()

                if not self.terminate_event.is_set():
                    self.tile_worker_pool.stop()

            if not self.terminate_event.is_set():
                self.task_done()
        except Exception, e:
            self.task_failed(e)
Exemplo n.º 3
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    def process(self):
        log.debug('Start raster import process. Task %d' % self.task_id)
        try:
            with self.task() as task:
                seed_task = self.create_seed_task(task)
                progress_logger = self.create_progress_logger(task)
                start_progress = parse_progress_identifier(task.seed_progress)
                self.terminate_event = threading.Event()
                seed_progress = SeedProgress(self.terminate_event,
                                             start_progress)
                if seed_task.refresh_timestamp is not None:
                    seed_task.tile_manager._expire_timestamp = seed_task.refresh_timestamp
                seed_worker_factory = partial(TileSeedWorker,
                                              self.terminate_event)
                self.tile_worker_pool = TileWorkerPool(
                    seed_task,
                    seed_worker_factory,
                    size=4,
                    progress_logger=progress_logger)
                tile_walker = TileWalker(seed_task,
                                         self.tile_worker_pool,
                                         handle_uncached=True,
                                         progress_logger=progress_logger,
                                         seed_progress=seed_progress)
                tile_walker.walk()

                if not self.terminate_event.is_set():
                    self.tile_worker_pool.stop()

            if not self.terminate_event.is_set():
                self.task_done()
        except Exception, e:
            self.task_failed(e)
Exemplo n.º 4
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def tilewalker_cleanup(task,
                       dry_run,
                       concurrency,
                       skip_geoms_for_last_levels,
                       progress_logger=None,
                       seed_progress=None):
    """
    Cleanup tiles with tile traversal.
    """
    task.tile_manager._expire_timestamp = task.remove_timestamp
    task.tile_manager.minimize_meta_requests = False
    tile_worker_pool = TileWorkerPool(task,
                                      TileCleanupWorker,
                                      progress_logger=progress_logger,
                                      dry_run=dry_run,
                                      size=concurrency)
    tile_walker = TileWalker(
        task,
        tile_worker_pool,
        handle_stale=True,
        work_on_metatiles=False,
        progress_logger=progress_logger,
        skip_geoms_for_last_levels=skip_geoms_for_last_levels,
        seed_progress=seed_progress)
    try:
        tile_walker.walk()
    except KeyboardInterrupt:
        tile_worker_pool.stop(force=True)
        raise
    finally:
        tile_worker_pool.stop()
Exemplo n.º 5
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    def test_seed_with_res_list(self):
        # box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
        geom = load_wkt(
            "POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")

        self.grid = TileGrid(
            SRS(4326),
            bbox=[-180, -90, 180, 90],
            res=[360 / 256, 360 / 720, 360 / 2000, 360 / 5000, 360 / 8000],
        )
        self.tile_mgr = TileManager(self.grid,
                                    MockCache(), [self.source],
                                    "png",
                                    locker=DummyLocker())
        task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        assert len(self.seed_pool.seeded_tiles) == 5
        assert self.seed_pool.seeded_tiles[0] == set([(0, 0)])
        assert self.grid.grid_sizes[1] == (3, 2)
        assert self.seed_pool.seeded_tiles[1] == set([(1, 0), (1, 1), (2, 0),
                                                      (2, 1)])
        assert self.grid.grid_sizes[2] == (8, 4)
        assert self.seed_pool.seeded_tiles[2] == set([(4, 2), (5, 2), (4, 3),
                                                      (5, 3), (3, 3)])
        assert self.grid.grid_sizes[3] == (20, 10)
        assert len(self.seed_pool.seeded_tiles[3]) == 5 * 5 + 2
Exemplo n.º 6
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    def test_seed_small_bbox_iregular_levels(self):
        task = self.make_bbox_task([-45, 0, 180, 90], SRS(4326), [0, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        assert len(self.seed_pool.seeded_tiles) == 2
        assert self.seed_pool.seeded_tiles[0] == set([(0, 0)])
        assert self.seed_pool.seeded_tiles[2] == set([(1, 1), (2, 1), (3, 1)])
Exemplo n.º 7
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    def test_seed_small_bbox_iregular_levels(self):
        task = self.make_bbox_task([-45, 0, 180, 90], SRS(4326), [0, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 2)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.seed_pool.seeded_tiles[2], set([(1, 1), (2, 1), (3, 1)]))
Exemplo n.º 8
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    def test_seed_full_bbox(self):
        task = self.make_bbox_task([-180, -90, 180, 90], SRS(4326), [0, 1, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 3)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.seed_pool.seeded_tiles[1], set([(0, 0), (1, 0)]))
        eq_(self.seed_pool.seeded_tiles[2], set([(0, 0), (1, 0), (2, 0), (3, 0), (0, 1), (1, 1), (2, 1), (3, 1)]))
Exemplo n.º 9
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    def test_seed_small_bbox(self):
        task = self.make_bbox_task([-45, 0, 180, 90], SRS(4326), [0, 1, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 3)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.seed_pool.seeded_tiles[1], set([(0, 0), (1, 0)]))
        eq_(self.seed_pool.seeded_tiles[2], set([(1, 1), (2, 1), (3, 1)]))
Exemplo n.º 10
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    def test_seed_small_bbox_transformed(self):
        bbox = SRS(4326).transform_bbox_to(SRS(900913), [-45, 0, 179, 80])
        task = self.make_bbox_task(bbox, SRS(900913), [0, 1, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        assert len(self.seed_pool.seeded_tiles) == 3
        assert self.seed_pool.seeded_tiles[0] == set([(0, 0)])
        assert self.seed_pool.seeded_tiles[1] == set([(0, 0), (1, 0)])
        assert self.seed_pool.seeded_tiles[2] == set([(1, 1), (2, 1), (3, 1)])
Exemplo n.º 11
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    def test_seed_small_bbox_transformed(self):
        bbox = SRS(4326).transform_bbox_to(SRS(900913), [-45, 0, 179, 80])
        task = self.make_bbox_task(bbox, SRS(900913), [0, 1, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 3)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.seed_pool.seeded_tiles[1], set([(0, 0), (1, 0)]))
        eq_(self.seed_pool.seeded_tiles[2], set([(1, 1), (2, 1), (3, 1)]))
Exemplo n.º 12
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    def test_seed_full_bbox(self):
        task = self.make_bbox_task([-180, -90, 180, 90], SRS(4326), [0, 1, 2])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        assert len(self.seed_pool.seeded_tiles) == 3
        assert self.seed_pool.seeded_tiles[0] == set([(0, 0)])
        assert self.seed_pool.seeded_tiles[1] == set([(0, 0), (1, 0)])
        assert self.seed_pool.seeded_tiles[2] == set([(0, 0), (1, 0), (2, 0),
                                                      (3, 0), (0, 1), (1, 1),
                                                      (2, 1), (3, 1)])
Exemplo n.º 13
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    def test_seed_full_bbox_continue(self):
        task = self.make_bbox_task([-180, -90, 180, 90], SRS(4326), [0, 1, 2])
        seed_progress = SeedProgress([(0, 1), (0, 2)])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True, seed_progress=seed_progress)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 3)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.seed_pool.seeded_tiles[1], set([(0, 0), (1, 0)]))
        eq_(self.seed_pool.seeded_tiles[2], set([(2, 0), (3, 0),
                                                 (2, 1), (3, 1)]))
Exemplo n.º 14
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def tilewalker_cleanup(task, dry_run, concurrency, skip_geoms_for_last_levels,
    progress_logger=None):
    """
    Cleanup tiles with tile traversal.
    """
    task.tile_manager._expire_timestamp = task.remove_timestamp
    task.tile_manager.minimize_meta_requests = False
    tile_worker_pool = TileWorkerPool(task, TileCleanupWorker, progress_logger=progress_logger,
                                      dry_run=dry_run, size=concurrency)
    tile_walker = TileWalker(task, tile_worker_pool, handle_stale=True,
                             work_on_metatiles=False, progress_logger=progress_logger,
                             skip_geoms_for_last_levels=skip_geoms_for_last_levels)
    tile_walker.walk()
    tile_worker_pool.stop()
Exemplo n.º 15
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    def test_seed_with_geom(self):
        if not load_wkt: raise SkipTest('no shapely installed')
        # box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
        geom = load_wkt("POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")
        task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 5)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.seed_pool.seeded_tiles[1], set([(0, 0), (1, 0)]))
        eq_(self.seed_pool.seeded_tiles[2], set([(1, 1), (2, 1)]))
        eq_(self.seed_pool.seeded_tiles[3], set([(4, 2), (5, 2), (4, 3), (5, 3), (3, 3)]))
        eq_(len(self.seed_pool.seeded_tiles[4]), 4*4+2)
Exemplo n.º 16
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    def test_seed_with_geom(self):
        # box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
        geom = load_wkt(
            "POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")
        task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        assert len(self.seed_pool.seeded_tiles) == 5
        assert self.seed_pool.seeded_tiles[0] == set([(0, 0)])
        assert self.seed_pool.seeded_tiles[1] == set([(0, 0), (1, 0)])
        assert self.seed_pool.seeded_tiles[2] == set([(1, 1), (2, 1)])
        assert self.seed_pool.seeded_tiles[3] == set([(4, 2), (5, 2), (4, 3),
                                                      (5, 3), (3, 3)])
        assert len(self.seed_pool.seeded_tiles[4]) == 4 * 4 + 2
Exemplo n.º 17
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    def test_seed_with_res_list(self):
        if not load_wkt: raise SkipTest('no shapely installed')
        # box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
        geom = load_wkt("POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")

        self.grid = TileGrid(SRS(4326), bbox=[-180, -90, 180, 90],
                             res=[360/256, 360/720, 360/2000, 360/5000, 360/8000])
        self.tile_mgr = TileManager(self.grid, MockCache(), [self.source], 'png')
        task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
        seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
        seeder.walk()

        eq_(len(self.seed_pool.seeded_tiles), 5)
        eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
        eq_(self.grid.grid_sizes[1], (3, 2))
        eq_(self.seed_pool.seeded_tiles[1], set([(1, 0), (1, 1), (2, 0), (2, 1)]))
        eq_(self.grid.grid_sizes[2], (8, 4))
        eq_(self.seed_pool.seeded_tiles[2], set([(4, 2), (5, 2), (4, 3), (5, 3), (3, 3)]))
        eq_(self.grid.grid_sizes[3], (20, 10))
        eq_(len(self.seed_pool.seeded_tiles[3]), 5*5+2)