Package mapproxy :: Package core :: Module cache :: Class CacheManager

Class CacheManager

object --+
         |
        CacheManager

Manages tile cache and tile creation.

Instance Methods

[hide private]

__init__(self, cache, tile_source, tile_creator)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature

source code

is_cached(self, tile)
Return True if the tile is cached.

source code

expire_timestamp(self, tile=None)
Return the timestamp until which a tile should be accepted as up-to-date, or None if the tiles should not expire. source code

load_tile_coords(self, tile_coords, with_metadata=False)
Load all given tiles from cache.

source code

_load_tiles(self, tiles, with_metadata=False)
Return the given tiles with the _Tile.source set. source code

_create_tiles(self, tiles, with_metadata=False)
Create the tile data for all missing tiles.

source code

_load_cached_tiles(self, tiles, with_metadata=False)
Set the _Tile.source for all cached tiles.

source code

store_tiles(self, tiles)
Store the given tiles in the underlying cache.

source code

__repr__(self)
repr(x)

source code

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __str__

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self, cache, tile_source, tile_creator)
(Constructor)

source code

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Overrides: object.__init__: (inherited documentation)

expire_timestamp(self, tile=None)

source code

Return the timestamp until which a tile should be accepted as up-to-date, or None if the tiles should not expire.

Note: Returns _expire_timestamp by default.

load_tile_coords(self, tile_coords, with_metadata=False)

source code

Load all given tiles from cache. If they are not present, load them.

Parameters:

tile_coords - list with tile coordinates (None for out of bounds tiles)

Returns:

list with ImageSource for all tiles (None for out of bounds tiles)

_load_tiles(self, tiles, with_metadata=False)

source code

Return the given tiles with the _Tile.source set. If a tile is not cached, it will be created.

_create_tiles(self, tiles, with_metadata=False)

source code

Create the tile data for all missing tiles. All created tiles will be added to the cache.

Returns:: True if new tiles were created.

repr(self)
(Representation operator)

source code

repr(x)

Overrides: object.__repr__: (inherited documentation)

Class CacheManager

__init__(self, cache, tile_source, tile_creator) (Constructor)

expire_timestamp(self, tile=None)

load_tile_coords(self, tile_coords, with_metadata=False)

_load_tiles(self, tiles, with_metadata=False)

_create_tiles(self, tiles, with_metadata=False)

__repr__(self) (Representation operator)

init(self, cache, tile_source, tile_creator)
(Constructor)

repr(self)
(Representation operator)