class ZipTileStore(TileStore):
def __init__(self, zipfile, layout=None, **kwargs):
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, count 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 __contains__(self, tile):
if not tile:
return False
try:
filename = self.layout.filename(tile.tilecoord)
self.zipfile.getinfo(filename)
return True
except KeyError:
return False
def get_one(self, tile):
if hasattr(tile, 'zipinfo'):
tile.data = self.zipfile.read(tile.zipinfo)
else:
filename = self.layout.filename(tile.tilecoord)
tile.data = self.zipfile.read(filename)
return tile
def list(self):
for zipinfo in self.zipfile.infolist():
try:
yield Tile(self.layout.tilecoord(zipinfo.filename),
zipinfo=zipinfo)
except ValueError:
pass
def put_one(self, tile):
filename = self.layout.filename(tile.tilecoord)
zipinfo = zipfile.ZipInfo(filename)
zipinfo.compress_type = getattr(self, 'compress_type',
zipfile.ZIP_DEFLATED)
zipinfo.date_time = datetime.now().timetuple()[:6]
zipinfo.external_attr = 0644 << 16
self.zipfile.writestr(zipinfo, tile.data)
return tile
class ZipTileStore(TileStore):
def __init__(self, zipfile, layout=None, **kwargs):
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, count 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 __contains__(self, tile):
if not tile:
return False
try:
filename = self.layout.filename(tile.tilecoord)
self.zipfile.getinfo(filename)
return True
except KeyError:
return False
def get_one(self, tile):
if hasattr(tile, 'zipinfo'):
tile.data = self.zipfile.read(tile.zipinfo)
else:
filename = self.layout.filename(tile.tilecoord)
tile.data = self.zipfile.read(filename)
return tile
def list(self):
for zipinfo in self.zipfile.infolist():
try:
yield Tile(self.layout.tilecoord(zipinfo.filename), zipinfo=zipinfo)
except ValueError:
pass
def put_one(self, tile):
filename = self.layout.filename(tile.tilecoord)
zipinfo = zipfile.ZipInfo(filename)
zipinfo.compress_type = getattr(self, 'compress_type', zipfile.ZIP_DEFLATED)
zipinfo.date_time = datetime.now().timetuple()[:6]
zipinfo.external_attr = 0644 << 16
self.zipfile.writestr(zipinfo, tile.data)
return tile
class TestOSMTileLayout(unittest.TestCase):
def setUp(self):
self.tilelayout = OSMTileLayout()
def test_filename(self):
self.assertEqual(self.tilelayout.filename(TileCoord(1, 2, 3)), '1/2/3')
def test_tilecoord(self):
self.assertEqual(self.tilelayout.tilecoord('1/2/3'),
TileCoord(1, 2, 3))
self.assertRaises(ValueError, self.tilelayout.tilecoord, '1/2/')
class TestOSMTileLayout(unittest.TestCase):
def setUp(self):
self.tilelayout = OSMTileLayout()
def test_filename(self):
self.assertEqual(self.tilelayout.filename(TileCoord(1, 2, 3)), '1/2/3')
def test_tilecoord(self):
self.assertEqual(self.tilelayout.tilecoord('1/2/3'), TileCoord(1, 2, 3))
self.assertRaises(ValueError, self.tilelayout.tilecoord, '1/2/')