How to use the tilecloud.TileStore function in tilecloud

try:
        queue.load()
    except botocore.exceptions.EndpointConnectionError:
        logger.warning("Error fetching SQS attributes", exc_info=True)
        return True

    attributes = queue.attributes
    if int(attributes["ApproximateNumberOfMessages"]) == 0:
        if int(attributes["ApproximateNumberOfMessagesNotVisible"]) == 0:
            return True
        else:
            time.sleep(int(attributes["VisibilityTimeout"]) / 4.0)
    return False


class SQSTileStore(TileStore):
    def __init__(self, queue, on_empty=maybe_stop, **kwargs):
        TileStore.__init__(self, **kwargs)
        self.queue = queue
        self.on_empty = on_empty

    def __contains__(self, tile):
        return False

    @staticmethod
    def get_one(tile):
        return tile

    def list(self):
        while True:
            try:
                sqs_messages = self.queue.receive_messages(MaxNumberOfMessages=BATCH_SIZE)

from collections import deque

from tilecloud import Tile, TileStore
from tilecloud.grid.quad import QuadTileGrid


class RenderingTheWorldTileStore(TileStore):
    """http://mapbox.com/blog/rendering-the-world/"""

    def __init__(self, subdivide, tilegrid=None, queue=None, seeds=()):
        super(RenderingTheWorldTileStore, self).__init__()
        self.subdivide = subdivide
        self.tilegrid = tilegrid
        if self.tilegrid is None:
            self.tilegrid = QuadTileGrid()
        self.queue = queue
        if self.queue is None:
            self.queue = deque()
        for seed in seeds:
            self.queue.append(seed)

    def list(self):
        try:

from c2cwsgiutils import stats
from tilecloud import TileStore


class TimedTileStoreWrapper(TileStore):
    """
    A wrapper around a TileStore that adds timer metrics.
    """
    def __init__(self, tile_store, stats_name):
        super().__init__()
        self._tile_store = tile_store
        self._stats_name = stats_name

    def _get_stats_name(self, func_name, tile=None):
        if tile and 'layer' in tile.metadata:
            return [self._stats_name, tile.metadata['layer'], func_name]
        else:
            return [self._stats_name, func_name]

    def _time_iteration(self, generator, func_name):
        while True:

from itertools import chain, groupby, starmap

from tilecloud import TileStore


class MultiTileStore(TileStore):
    def __init__(self, stores):
        TileStore.__init__(self)
        self._stores = stores

    def _get_store(self, layer):
        assert layer is not None
        result = self._stores.get(layer) if layer is not None else self._default_store
        return result

    def __contains__(self, tile):
        """
        Return true if this store contains ``tile``.

        :param tile: Tile
        :type tile: :class:`Tile`

import os.path
import re
import zipfile
from collections import defaultdict
from datetime import datetime

from tilecloud import Tile, TileStore
from tilecloud.layout.osm import OSMTileLayout
from tilecloud.layout.wrapped import WrappedTileLayout


class ZipTileStore(TileStore):
    def __init__(self, zipfile, layout=None, **kwargs):  # pylint: disable=redefined-outer-name
        TileStore.__init__(self, **kwargs)
        self.zipfile = zipfile
        self.layout = layout
        if self.layout is None:
            extension_count = defaultdict(int)
            for name in self.zipfile.namelist():
                extension_count[os.path.splitext(name)[1]] += 1
            for extension, _ in sorted(
                extension_count.items(), key=lambda p: tuple(reversed(p)), reverse=True
            ):
                if re.match(r"\.(jpe?g|png)\Z", extension, re.I):
                    self.layout = WrappedTileLayout(OSMTileLayout(), suffix=extension)
                    break
        if self.layout is None:
            self.layout = OSMTileLayout()

def __init__(self, zipfile, layout=None, **kwargs):  # pylint: disable=redefined-outer-name
        TileStore.__init__(self, **kwargs)
        self.zipfile = zipfile
        self.layout = layout
        if self.layout is None:
            extension_count = defaultdict(int)
            for name in self.zipfile.namelist():
                extension_count[os.path.splitext(name)[1]] += 1
            for extension, _ in sorted(
                extension_count.items(), key=lambda p: tuple(reversed(p)), reverse=True
            ):
                if re.match(r"\.(jpe?g|png)\Z", extension, re.I):
                    self.layout = WrappedTileLayout(OSMTileLayout(), suffix=extension)
                    break
        if self.layout is None:
            self.layout = OSMTileLayout()

from tilecloud import TileStore


class MemcachedTileStore(TileStore):
    def __init__(self, client, tilelayout, flags=0, exptime=0, **kwargs):
        TileStore.__init__(self, **kwargs)
        self.client = client
        self.tilelayout = tilelayout
        self.flags = flags
        self.exptime = exptime

    def __contains__(self, tile):
        flags, _, _ = self.client.get(self.tilelayout.filename(tile.tilecoord, tile.metadata))
        return flags is not None

    def get_one(self, tile):
        flags, value, cas = self.client.get(self.tilelayout.filename(tile.tilecoord, tile.metadata))
        tile.memcached_flags = flags
        tile.data = value
        tile.memcached_cas = cas

"""All tiles in a bounding box"""

    def __init__(self, bounding_pyramid=None):
        self.bounding_pyramid = bounding_pyramid or BoundingPyramid()

    def list(self):
        for tilecoord in self.bounding_pyramid:
            yield Tile(tilecoord)

    def put_one(self, tile):
        self.bounding_pyramid.add(tile.tilecoord)
        return tile



class FilesystemTileStore(TileStore):
    """Tiles stored in a filesystem"""

    def __init__(self, tile_layout):
        self.tile_layout = tile_layout

    def delete_one(self, tile):
        filename = self.tile_layout.filename(tile.tilecoord)
        if os.path.exists(filename):
            os.remove(filename)
        return tile

    def get_all(self):
        for tile in self.list():
            with open(tile.path) as file:
                tile.data = file.read()
            yield tile

def get_one(self, tile):
        tile.data = None
        return tile

    def list(self):
        # FIXME warn that this consumes lines
        filename_re = re.compile(self.tile_layout.pattern)
        for line in self.lines:
            match = filename_re.search(line)
            if match:
                yield Tile(self.tile_layout.tilecoord(match.group()), line=line)



class MaskTileStore(TileStore):
    """A black and white image representing present and absent tiles"""

    def __init__(self, z, slices, file=None):
        self.z = z
        self.xbounds, self.ybounds = slices
        self.width = self.xbounds.stop - self.xbounds.start
        self.height = self.ybounds.stop - self.ybounds.start
        if file:
            self.image = PIL.Image.open(file)
            assert self.image.mode == '1'
            assert self.image.size == (self.width, self.height)
        else:
            self.image = PIL.Image.new('1', (self.width, self.height))
        self.pixels = self.image.load()

    def delete_one(self, tile):