def main():
# Create our RenderingTheWorld tile store that will manage the queue and subdivision.
# We pass it the function that decides whether a tile should be subdivided, and an initial tile.
rendering_the_world_tilestore = RenderingTheWorldTileStore(subdivide, seeds=(Tile(TileCoord(0, 0, 0)),))
# Start the tilestream by getting a list of all tiles to be generated.
tilestream = rendering_the_world_tilestore.list()
tilestream = imap(Logger(logger, logging.INFO, 'get %(tilecoord)s'), tilestream)
# Create the tile store that will generate our tiles, in this case it's a demo WMTS server at OpenGeo.
# Getting tiles from this store will either return the tile as a PNG file, or set an error on the tile
# if there are no features in this tile.
generate_tilestore = WMTSTileStore(
url='http://v2.suite.opengeo.org/geoserver/gwc/service/wmts/',
layer='medford:buildings',
style='_null',
format='image/png',
tile_matrix_set='EPSG:900913',
tile_matrix=lambda z: 'EPSG:900913:{0:d}'.format(z))
tilestream = generate_tilestore.get(tilestream)
tilestream = imap(Logger(logger, logging.INFO, 'got %(tilecoord)s, error=%(error)s'), tilestream)
# Put the tile back into the RenderingTheWorld tile store. This check whether the tile should be
# subdivided, and, if so, adds the tile's children to the list of tiles to be generated.
tilestream = rendering_the_world_tilestore.put(tilestream)
# Get rid of tiles that returned an error (i.e. where there was no data).
tilestream = imap(DropErrors(), tilestream)
# Store the generated tiles in the output tile store, in our case a local MBTiles file.
output_tilestore = MBTilesTileStore(sqlite3.connect('medford_buildings.mbtiles'))
tilestream = output_tilestore.put(tilestream)
tilestream = imap(Logger(logger, logging.INFO, 'saved %(tilecoord)s'), tilestream)
# Go!
consume(tilestream, None)
def add_logger(self):
if not self.options.quiet and \
not self.options.verbose and \
not self.options.debug:
def log_tiles(tile):
variables = dict()
variables.update(tile.__dict__)
variables.update(tile.tilecoord.__dict__)
sys.stdout.write("{tilecoord} \r".format(**variables))
sys.stdout.flush()
return tile
self.imap(log_tiles)
elif self.options.verbose:
self.imap(Logger(logger, logging.INFO, '%(tilecoord)s'))
def main():
# Create our input and output TileStores
input_tilestore = TileStore.load('tiles.openstreetmap_org')
output_tilestore = TileStore.load('local.mbtiles')
# 1. Generate a list of tiles to download from a BoundingPyramid
# 4/8/5 is the root tile, corresponding to Central Europe
# +3/+1/+1 specifies up to zoom level 4 + 3 = 7 and an extent of one tile in the X and Y directions
bounding_pyramid = BoundingPyramid.from_string('4/8/5:+3/+1/+1')
bounding_pyramid_tilestore = BoundingPyramidTileStore(bounding_pyramid)
tilestream = bounding_pyramid_tilestore.list()
# 2. Filter out tiles that already downloaded
tilestream = (tile for tile in tilestream if tile not in output_tilestore)
# 3. Get the tile from openstreetmap.org
tilestream = input_tilestore.get(tilestream)
# 4. Save the tile to local.mbtiles
tilestream = output_tilestore.put(tilestream)
# 5. Log the fact that the tile was downloaded
tilestream = imap(Logger(logger, logging.INFO, 'downloaded %(tilecoord)s'), tilestream)
# Go!
consume(tilestream, None)
def _generate_tiles(self) -> None:
if self._options.role in ("slave") and not self._options.tiles:
assert self._queue_tilestore is not None
# Get the metatiles from the SQS/Redis queue
self._gene.set_store(self._queue_tilestore)
self._gene.imap(lambda tile: tile if "layer" in tile.metadata else None)
if self._options.role != "server":
self._count_metatiles = self._gene.counter()
self._gene.get(
TimedTileStoreWrapper(
MultiTileStore(TilestoreGetter(self)),
stats_name="get",
),
"Get tile",
)
if self._options.role in ("local", "slave") and "logging" in self._gene.get_main_config().config:
self._gene.imap(
DatabaseLogger(
self._gene.get_main_config().config["logging"],
self._options is not None and self._options.daemon,
)
)
self._gene.init(
self._queue_tilestore
if "error_file" in self._gene.get_main_config().config["generation"]
else None,
self._options.daemon,
)
else:
self._gene.init(daemon=self._options.daemon)
if self._options.role == "hash":
self._gene.imap(HashLogger("empty_metatile_detection"))
elif not self._options.near:
assert self._count_metatiles_dropped is not None
self._gene.imap(MultiAction(HashDropperGetter(self, True, self._count_metatiles_dropped)))
def add_elapsed_togenerate(metatile: Tile) -> Optional[Tile]:
if metatile is not None:
metatile.elapsed_togenerate = metatile.tilecoord.n ** 2 # type: ignore
return metatile
return None
self._gene.imap(add_elapsed_togenerate)
# Split the metatile image into individual tiles
self._gene.add_metatile_splitter()
self._gene.imap(Logger(logger, logging.INFO, "%(tilecoord)s, %(formated_metadata)s"))
if self._count_tiles is not None:
self._gene.imap(self._count_tiles)
self._gene.process(key="pre_hash_post_process")
if self._options.role == "hash":
self._gene.imap(HashLogger("empty_tile_detection"))
elif not self._options.near:
assert self._count_tiles_dropped is not None
self._gene.imap(MultiAction(HashDropperGetter(self, False, self._count_tiles_dropped)))
if self._options.role != "server":
self._gene.process()
if self._options.role in ("local", "slave"):
self._count_tiles_stored = self._gene.counter_size()
if self._options.time:
def log_size(tile: Tile) -> Tile:
assert tile.data is not None
sys.stdout.write(f"size: {len(tile.data)}\n")
return tile
self._gene.imap(log_size)
assert self._cache_tilestore is not None
self._gene.put(self._cache_tilestore, "Store the tile")
if self._options.role == "slave" and not self._options.tiles:
def delete_from_store(tile: Tile) -> Tile:
assert self._queue_tilestore is not None
if hasattr(tile, "metatile"):
metatile: Tile = tile.metatile # type: ignore
metatile.elapsed_togenerate -= 1 # type: ignore
if metatile.elapsed_togenerate == 0: # type: ignore
self._queue_tilestore.delete_one(metatile)
else:
self._queue_tilestore.delete_one(tile)
return tile
self._gene.imap(delete_from_store)
if self._options.role in ("local", "slave") and "logging" in self._gene.get_main_config().config:
self._gene.imap(
DatabaseLogger(
self._gene.get_main_config().config["logging"],
self._options is not None and self._options.daemon,
)
)
self._gene.init(daemon=self._options.daemon)
def __call__(self, tile):
if tile and tile.error:
Logger.__call__(self, tile)
return tile
def gene(self, options, gene, layer):
count_metatiles = None
count_metatiles_dropped = Count()
count_tiles = None
count_tiles_dropped = Count()
if options.role == 'slave' or options.get_hash or options.get_bbox:
gene.layer = gene.layers[layer]
else:
gene.set_layer(layer, options)
if options.get_bbox:
try:
tilecoord = parse_tilecoord(options.get_bbox)
print \
"Tile bounds: [%i,%i,%i,%i]" % \
gene.layer['grid_ref']['obj'].extent(tilecoord)
exit()
except ValueError as e: # pragma: no cover
exit(
"Tile '%s' is not in the format 'z/x/y' or z/x/y:+n/+n\n%r"
% (options.get_bbox, e))
if options.get_hash:
options.role = 'hash'
options.test = 1
sqs_tilestore = None
if options.role in ('master', 'slave'):
# Create SQS queue
sqs_tilestore = SQSTileStore(
gene.get_sqs_queue()) # pragma: no cover
cache_tilestore = None
if options.role in ('local', 'slave'):
cache_tilestore = gene.get_tilesstore(options.cache)
meta = gene.layer['meta']
if options.tiles:
gene.set_store(TilesFileStore(options.tiles))
elif options.role in ('local', 'master'):
# Generate a stream of metatiles
gene.init_tilecoords()
gene.add_geom_filter()
elif options.role == 'slave':
# Get the metatiles from the SQS queue
gene.set_store(sqs_tilestore) # pragma: no cover
elif options.role == 'hash':
try:
z, x, y = (int(v) for v in options.get_hash.split('/'))
if meta:
gene.set_tilecoords(
[TileCoord(z, x, y, gene.layer['meta_size'])])
else:
gene.set_tilecoords([TileCoord(z, x, y)])
except ValueError as e: # pragma: no cover
exit("Tile '%s' is not in the format 'z/x/y'\n%r" %
(options.get_hash, e))
# At this stage, the tilestream contains metatiles that intersect geometry
gene.add_logger()
count_metatiles = gene.counter()
if options.role == 'master': # pragma: no cover
# Put the metatiles into the SQS queue
gene.put(sqs_tilestore)
elif options.role in ('local', 'slave', 'hash'):
if gene.layer['type'] == 'wms':
params = gene.layer['params'].copy()
if 'STYLES' not in params:
params['STYLES'] = ','.join(gene.layer['wmts_style']
for l in gene.layer['layers'])
if gene.layer['generate_salt']:
params['SALT'] = str(random.randint(0, sys.maxint))
for dim in gene.layer['dimensions']:
params[dim['name']] = dim['value']
for dim in gene.options.dimensions:
dim = dim.split('=')
if len(dim) != 2: # pragma: no cover
exit('the DIMENTIONS option should be like this '
'DATE=2013 VERSION=13.')
params[dim[0]] = dim[1]
# Get the metatile image from the WMS server
gene.get(
URLTileStore(
tilelayouts=(WMSTileLayout(
url=gene.layer['url'],
layers=','.join(gene.layer['layers']),
srs=gene.layer['grid_ref']['srs'],
format=gene.layer['mime_type'],
border=gene.layer['meta_buffer'] if meta else 0,
tilegrid=gene.get_grid()['obj'],
params=params,
), ),
headers=gene.layer['headers'],
), "Get tile from WMS")
elif gene.layer['type'] == 'mapnik':
from tilecloud.store.mapnik_ import MapnikTileStore
from tilecloud_chain.mapnik_ import MapnikDropActionTileStore
grid = gene.get_grid()
if gene.layer['output_format'] == 'grid':
gene.get(
MapnikDropActionTileStore(
tilegrid=grid['obj'],
mapfile=gene.layer['mapfile'],
image_buffer=gene.layer['meta_buffer']
if meta else 0,
data_buffer=gene.layer['data_buffer'],
output_format=gene.layer['output_format'],
resolution=gene.layer['resolution'],
layers_fields=gene.layer['layers_fields'],
drop_empty_utfgrid=gene.
layer['drop_empty_utfgrid'],
store=cache_tilestore,
queue_store=sqs_tilestore,
count=count_tiles_dropped,
proj4_literal=grid['proj4_literal'],
), "Create Mapnik grid tile")
else:
gene.get(
MapnikTileStore(
tilegrid=grid['obj'],
mapfile=gene.layer['mapfile'],
image_buffer=gene.layer['meta_buffer']
if meta else 0,
data_buffer=gene.layer['data_buffer'],
output_format=gene.layer['output_format'],
proj4_literal=grid['proj4_literal'],
), "Create Mapnik tile")
def wrong_content_type_to_error(tile):
if tile is not None and tile.content_type is not None \
and tile.content_type.find("image/") != 0:
if tile.content_type.find(
"application/vnd.ogc.se_xml") == 0:
tile.error = "WMS server error: %s" % (
self._re_rm_xml_tag.sub('', tile.data))
else: # pragma: no cover
tile.error = "%s is not an image format, error: %s" % (
tile.content_type, tile.data)
return tile
gene.imap(wrong_content_type_to_error)
# Handle errors
gene.add_error_filters()
if meta:
if options.role == 'hash':
gene.imap(HashLogger('empty_metatile_detection'))
elif not options.near:
# Discard tiles with certain content
if 'empty_metatile_detection' in gene.layer:
empty_tile = gene.layer['empty_metatile_detection']
gene.imap(
HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=cache_tilestore,
queue_store=sqs_tilestore,
count=count_metatiles_dropped,
))
def add_elapsed_togenerate(metatile):
if metatile is not None:
metatile.elapsed_togenerate = metatile.tilecoord.n**2
return True
return False # pragma: no cover
gene.ifilter(add_elapsed_togenerate)
# Split the metatile image into individual tiles
gene.add_metatile_splitter()
gene.imap(Logger(logger, logging.INFO, '%(tilecoord)s'))
# Handle errors
gene.add_error_filters()
self.count_tiles = gene.counter()
if 'pre_hash_post_process' in gene.layer:
gene.process(gene.layer['pre_hash_post_process'])
if options.role == 'hash':
gene.imap(HashLogger('empty_tile_detection'))
elif not options.near:
# Discard tiles with certain content
if 'empty_tile_detection' in gene.layer:
empty_tile = gene.layer['empty_tile_detection']
gene.imap(
HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=cache_tilestore,
queue_store=sqs_tilestore,
count=count_tiles_dropped,
))
gene.process()
if options.role in ('local', 'slave'):
gene.add_error_filters()
gene.ifilter(DropEmpty(gene))
count_tiles = gene.counter(size=True)
if options.time:
def log_size(tile):
sys.stdout.write('size: %i\n' % len(tile.data))
return tile
gene.imap(log_size)
gene.put(cache_tilestore, "Store the tile")
else:
count_tiles = gene.counter(size=True)
gene.add_error_filters()
if options.generated_tiles_file: # pragma: no cover
generated_tiles_file = open(options.generated_tiles_file, 'a')
def do(tile):
generated_tiles_file.write('%s\n' % (tile.tilecoord, ))
return tile
gene.imap(do)
if options.role == 'slave': # pragma: no cover
if meta:
def decr_tile_in_metatile(tile):
tile.metatile.elapsed_togenerate -= 1
if tile.metatile.elapsed_togenerate == 0:
sqs_tilestore.delete_one(tile.metatile)
return True
gene.ifilter(decr_tile_in_metatile)
else:
gene.delete(sqs_tilestore)
if options.time is not None:
class LogTime:
n = 0
t1 = None
def __call__(self, tile):
self.n += 1
if self.n == options.time:
self.t1 = datetime.now()
elif self.n == 2 * options.time:
t2 = datetime.now()
d = (t2 - self.t1) / options.time
sys.stdout.write(
'time: %i\n' %
((d.days * 24 * 3600 + d.seconds) * 1000000 +
d.microseconds))
return tile
gene.imap(LogTime())
gene.consume(options.time * 3)
else:
gene.consume()
if not options.quiet and options.role in ('local', 'slave'):
nb_tiles = count_tiles.nb + count_tiles_dropped.nb
print """The tile generation of layer '%s' is finish
%sNb generated tiles: %i
Nb tiles dropped: %i
Nb tiles stored: %i
Nb error: %i
Total time: %s
Total size: %s
Time per tiles: %i ms
Size per tile: %i o
""" % \
(
gene.layer['name'],
"""Nb generated metatiles: %i
Nb metatiles dropped: %i
""" %
(
count_metatiles.nb, count_metatiles_dropped.nb
) if meta else '',
nb_tiles,
count_tiles_dropped.nb,
count_tiles.nb,
gene.error,
duration_format(gene.duration),
size_format(count_tiles.size),
(gene.duration / nb_tiles * 1000).seconds if nb_tiles != 0 else 0,
count_tiles.size / count_tiles.nb if count_tiles.nb != 0 else -1
)
if cache_tilestore is not None and hasattr(cache_tilestore,
'connection'):
cache_tilestore.connection.close()
if options.role != 'hash' and options.time is None and 'sns' in gene.config: # pragma: no cover
if 'region' in gene.config['sns']:
connection = sns.connect_to_region(
gene.config['sns']['region'])
else:
connection = boto.connect_sns()
connection.publish(
gene.config['sns']['topic'], """The tile generation is finish
Layer: %(layer)s
Role: %(role)s
Host: %(host)s
Command: %(cmd)s
%(meta)sNb generated tiles: %(nb_tiles)i
Nb tiles dropped: %(nb_tiles_dropped)i
Total time: %(duration)s [s]
Time per tiles: %(tile_duration)i [ms]""" % {
'role':
options.role,
'layer':
gene.layer['name'],
'host':
socket.getfqdn(),
'cmd':
' '.join([quote(arg) for arg in sys.argv]),
'meta':
"""Nb generated metatiles: %(nb_metatiles)i
Nb metatiles dropped: %(nb_metatiles_dropped)i
""" % {
'nb_metatiles': count_metatiles.nb,
'nb_metatiles_dropped': count_metatiles_dropped.nb,
} if meta else '',
'nb_tiles':
nb_tiles if meta else count_metatiles.nb,
'nb_tiles_dropped':
count_tiles_dropped.nb
if meta else count_metatiles_dropped.nb,
'duration':
duration_format(gene.duration),
'tile_duration': (gene.duration / nb_tiles *
1000).seconds if nb_tiles != 0 else 0,
}, "Tile generation (%(layer)s - %(role)s)" % {
'role': options.role,
'layer': gene.layer['name']
})
def __call__(self, tile: Tile) -> Tile:
if tile and tile.error:
Logger.__call__(self, tile)
return tile
def _generate_tiles(self):
if self._options.role in ("slave", "server"):
# Get the metatiles from the SQS/Redis queue
self._gene.set_store(self._queue_tilestore) # pragma: no cover
self._gene.imap(lambda tile: tile
if "layer" in tile.metadata else None)
self._count_metatiles = self._gene.counter()
self._gene.get(
TimedTileStoreWrapper(
MultiTileStore({
name: self._get_tilestore_for_layer(layer)
for name, layer in self._gene.layers.items()
}),
stats_name="get",
),
"Get tile",
)
if self._options.role in ("local",
"slave") and "logging" in self._gene.config:
self._gene.imap(
DatabaseLogger(
self._gene.config["logging"], self._options is not None
and self._options.daemon))
self._gene.init(
self._queue_tilestore
if "error_file" in self._gene.config["generation"] else None,
self._options.daemon,
)
else:
self._gene.init(daemon=self._options.daemon)
if self._options.role == "hash":
self._gene.imap(HashLogger("empty_metatile_detection"))
elif not self._options.near:
droppers = {}
assert self._cache_tilestore is not None
for lname, layer in self._gene.layers.items():
if "empty_metatile_detection" in layer:
empty_tile = layer["empty_metatile_detection"]
droppers[lname] = HashDropper(
empty_tile["size"],
empty_tile["hash"],
store=self._cache_tilestore,
queue_store=self._queue_tilestore,
count=self._count_metatiles_dropped,
)
if droppers:
self._gene.imap(MultiAction(droppers))
def add_elapsed_togenerate(metatile):
if metatile is not None:
metatile.elapsed_togenerate = metatile.tilecoord.n**2
return metatile
return None # pragma: no cover
self._gene.imap(add_elapsed_togenerate)
# Split the metatile image into individual tiles
self._gene.add_metatile_splitter()
self._gene.imap(
Logger(logger, logging.INFO,
"%(tilecoord)s, %(formated_metadata)s"))
self._gene.imap(self._count_tiles)
self._gene.process(key="pre_hash_post_process")
if self._options.role == "hash":
self._gene.imap(HashLogger("empty_tile_detection"))
elif not self._options.near:
assert self._cache_tilestore is not None
droppers = {}
for lname, layer in self._gene.layers.items():
if "empty_tile_detection" in layer:
empty_tile = layer["empty_tile_detection"]
droppers[lname] = HashDropper(
empty_tile["size"],
empty_tile["hash"],
store=self._cache_tilestore,
queue_store=self._queue_tilestore,
count=self._count_tiles_dropped,
)
if len(droppers) != 0:
self._gene.imap(MultiAction(droppers))
self._gene.process()
if self._options.role in ("local", "slave", "server"):
self._count_tiles_stored = self._gene.counter(size=True)
if self._options.time:
def log_size(tile):
sys.stdout.write("size: {}\n".format(len(tile.data)))
return tile
self._gene.imap(log_size)
self._gene.put(self._cache_tilestore, "Store the tile")
if self._options.role == "slave": # pragma: no cover
def delete_from_store(tile):
if hasattr(tile, "metatile"):
tile.metatile.elapsed_togenerate -= 1
if tile.metatile.elapsed_togenerate == 0:
self._queue_tilestore.delete_one(tile.metatile)
else:
self._queue_tilestore.delete_one(tile)
return tile
self._gene.imap(delete_from_store)
if self._options.role in ("local",
"slave") and "logging" in self._gene.config:
self._gene.imap(
DatabaseLogger(
self._gene.config["logging"], self._options is not None
and self._options.daemon))
self._gene.init(daemon=self._options.daemon)
def _gene(self, options, gene, layer, dimensions={}):
count_metatiles = None
count_metatiles_dropped = Count()
count_tiles = None
count_tiles_dropped = Count()
count_tiles_stored = None
if options.get_bbox:
try:
tilecoord = parse_tilecoord(options.get_bbox)
print("Tile bounds: [%i,%i,%i,%i]" %
gene.layer['grid_ref']['obj'].extent(tilecoord))
exit()
except ValueError as e: # pragma: no cover
exit(
"Tile '%s' is not in the format 'z/x/y' or z/x/y:+n/+n\n%r"
% (options.get_bbox, e))
if options.get_hash:
options.role = 'hash'
options.test = 1
sqs_tilestore = None
if options.role in ('master', 'slave'):
# Create SQS queue
sqs_tilestore = SQSTileStore(
gene.get_sqs_queue()) # pragma: no cover
cache_tilestore = None
if options.role in ('local', 'slave'):
cache_tilestore = gene.get_tilesstore(options.cache, dimensions)
meta = gene.layer['meta']
if options.tiles:
gene.set_store(TilesFileStore(options.tiles))
elif options.role in ('local', 'master'):
# Generate a stream of metatiles
gene.init_tilecoords()
gene.add_geom_filter()
if options.local_process_number is not None: # pragma: no cover
gene.add_local_process_filter()
elif options.role == 'slave':
# Get the metatiles from the SQS queue
gene.set_store(sqs_tilestore) # pragma: no cover
elif options.role == 'hash':
try:
z, x, y = (int(v) for v in options.get_hash.split('/'))
if meta:
gene.set_tilecoords(
[TileCoord(z, x, y, gene.layer['meta_size'])])
else:
gene.set_tilecoords([TileCoord(z, x, y)])
except ValueError as e: # pragma: no cover
exit("Tile '%s' is not in the format 'z/x/y'\n%r" %
(options.get_hash, e))
# At this stage, the tilestream contains metatiles that intersect geometry
gene.add_logger()
count_metatiles = gene.counter()
if options.role == 'master': # pragma: no cover
# Put the metatiles into the SQS queue
gene.put(sqs_tilestore)
count_tiles = gene.counter()
elif options.role in ('local', 'slave', 'hash'):
if gene.layer['type'] == 'wms':
params = gene.layer['params'].copy()
if 'STYLES' not in params:
params['STYLES'] = ','.join(
gene.layer['wmts_style']
for l in gene.layer['layers'].split(','))
if gene.layer['generate_salt']:
params['SALT'] = str(random.randint(0, 999999))
params.update(dimensions)
# Get the metatile image from the WMS server
gene.get(
URLTileStore(
tilelayouts=(WMSTileLayout(
url=gene.layer['url'],
layers=gene.layer['layers'],
srs=gene.layer['grid_ref']['srs'],
format=gene.layer['mime_type'],
border=gene.layer['meta_buffer'] if meta else 0,
tilegrid=gene.get_grid()['obj'],
params=params,
), ),
headers=gene.layer['headers'],
), "Get tile from WMS")
elif gene.layer['type'] == 'mapnik': # pragma: no cover
from tilecloud.store.mapnik_ import MapnikTileStore
from tilecloud_chain.mapnik_ import MapnikDropActionTileStore
grid = gene.get_grid()
if gene.layer['output_format'] == 'grid':
count_tiles = gene.counter()
gene.get(
MapnikDropActionTileStore(
tilegrid=grid['obj'],
mapfile=gene.layer['mapfile'],
image_buffer=gene.layer['meta_buffer']
if meta else 0,
data_buffer=gene.layer['data_buffer'],
output_format=gene.layer['output_format'],
resolution=gene.layer['resolution'],
layers_fields=gene.layer['layers_fields'],
drop_empty_utfgrid=gene.
layer['drop_empty_utfgrid'],
store=cache_tilestore,
queue_store=sqs_tilestore,
count=count_tiles_dropped,
proj4_literal=grid['proj4_literal'],
), "Create Mapnik grid tile")
else:
gene.get(
MapnikTileStore(
tilegrid=grid['obj'],
mapfile=gene.layer['mapfile'],
image_buffer=gene.layer['meta_buffer']
if meta else 0,
data_buffer=gene.layer['data_buffer'],
output_format=gene.layer['output_format'],
proj4_literal=grid['proj4_literal'],
), "Create Mapnik tile")
def wrong_content_type_to_error(tile):
if tile is not None and tile.content_type is not None \
and tile.content_type.find("image/") != 0:
if tile.content_type.find(
"application/vnd.ogc.se_xml") == 0:
tile.error = "WMS server error: %s" % (
self._re_rm_xml_tag.sub(
'',
tile.data.decode('utf-8')
if PY3 else tile.data))
else: # pragma: no cover
tile.error = "%s is not an image format, error: %s" % (
tile.content_type, tile.data)
return tile
gene.imap(wrong_content_type_to_error)
# Handle errors
gene.add_error_filters()
if meta:
if options.role == 'hash':
gene.imap(HashLogger('empty_metatile_detection'))
elif not options.near:
# Discard tiles with certain content
if 'empty_metatile_detection' in gene.layer:
empty_tile = gene.layer['empty_metatile_detection']
gene.imap(
HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=cache_tilestore,
queue_store=sqs_tilestore,
count=count_metatiles_dropped,
))
def add_elapsed_togenerate(metatile):
if metatile is not None:
metatile.elapsed_togenerate = metatile.tilecoord.n**2
return True
return False # pragma: no cover
gene.ifilter(add_elapsed_togenerate)
# Split the metatile image into individual tiles
gene.add_metatile_splitter()
gene.imap(Logger(logger, logging.INFO, '%(tilecoord)s'))
# Handle errors
gene.add_error_filters()
if gene.layer['type'] != 'mapnik' or gene.layer[
'output_format'] != 'grid':
count_tiles = gene.counter()
if 'pre_hash_post_process' in gene.layer: # pragma: no cover
gene.process(gene.layer['pre_hash_post_process'])
if options.role == 'hash':
gene.imap(HashLogger('empty_tile_detection'))
elif not options.near:
# Discard tiles with certain content
if 'empty_tile_detection' in gene.layer:
empty_tile = gene.layer['empty_tile_detection']
gene.imap(
HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=cache_tilestore,
queue_store=sqs_tilestore,
count=count_tiles_dropped,
))
gene.process()
else: # pragma: no cover
count_tiles = gene.counter()
if options.role in ('local', 'slave'):
gene.add_error_filters()
gene.ifilter(DropEmpty(gene))
count_tiles_stored = gene.counter(size=True)
if options.time:
def log_size(tile):
sys.stdout.write('size: %i\n' % len(tile.data))
return tile
gene.imap(log_size)
gene.put(cache_tilestore, "Store the tile")
gene.add_error_filters()
if options.generated_tiles_file: # pragma: no cover
generated_tiles_file = open(options.generated_tiles_file, 'a')
def do(tile):
generated_tiles_file.write('%s\n' % (tile.tilecoord, ))
return tile
gene.imap(do)
if options.role == 'slave': # pragma: no cover
if meta:
def decr_tile_in_metatile(tile):
tile.metatile.elapsed_togenerate -= 1
if tile.metatile.elapsed_togenerate == 0:
sqs_tilestore.delete_one(tile.metatile)
return True
gene.ifilter(decr_tile_in_metatile)
else:
gene.delete(sqs_tilestore)
message = []
if options.time is not None:
class LogTime:
n = 0
t1 = None
def __call__(self, tile):
self.n += 1
if self.n == options.time:
self.t1 = datetime.now()
elif self.n == 2 * options.time:
t2 = datetime.now()
d = (t2 - self.t1) / options.time
sys.stdout.write(
'time: %i\n' %
((d.days * 24 * 3600 + d.seconds) * 1000000 +
d.microseconds))
return tile
gene.imap(LogTime())
gene.consume(options.time * 3)
else:
gene.consume()
message = [
"The tile generation of layer '{}{}' is finish".format(
gene.layer['name'], "" if len(dimensions) == 0
or gene.layer['type'] != 'wms' else " (%s)" %
", ".join(["=".join(d) for d in dimensions.items()])),
]
if options.role == "master": # pragma: no cover
message.append("Nb of generated jobs: {}".format(
count_tiles.nb))
else:
if meta:
message += [
"Nb generated metatiles: {}".format(
count_metatiles.nb),
"Nb metatiles dropped: {}".format(
count_metatiles_dropped.nb),
]
message += [
"Nb generated tiles: {}".format(count_tiles.nb),
"Nb tiles dropped: {}".format(count_tiles_dropped.nb),
]
if options.role in ('local', 'slave'):
message += [
"Nb tiles stored: {}".format(count_tiles_stored.nb),
"Nb tiles in error: {}".format(gene.error),
"Total time: {}".format(duration_format(
gene.duration)),
]
if count_tiles_stored.nb != 0:
message.append("Total size: {}".format(
size_format(count_tiles_stored.size)))
if count_tiles.nb != 0:
message.append("Time per tile: {:0.0f} ms".format(
(gene.duration / count_tiles.nb * 1000).seconds))
if count_tiles_stored.nb != 0:
message.append("Size per tile: {:0.0f} o".format(
count_tiles_stored.size / count_tiles_stored.nb))
if not options.quiet and options.role in ('local', 'slave'):
print("\n".join(message) + "\n")
if cache_tilestore is not None and hasattr(cache_tilestore,
'connection'):
cache_tilestore.connection.close()
if options.role != 'hash' and options.time is None and 'sns' in gene.config: # pragma: no cover
if 'region' in gene.config['sns']:
connection = sns.connect_to_region(
gene.config['sns']['region'])
else:
connection = boto.connect_sns()
sns_message = [message[0]]
sns_message += [
"Layer: {}".format(gene.layer['name']),
"Role: {}".format(options.role),
"Host: {}".format(socket.getfqdn()),
"Command: {}".format(' '.join([quote(arg)
for arg in sys.argv])),
]
sns_message += message[1:]
connection.publish(
gene.config['sns']['topic'], "\n".join(sns_message),
"Tile generation (%(layer)s - %(role)s)" % {
'role': options.role,
'layer': gene.layer['name']
})
def _gene(self, options, gene, dimensions=None):
if dimensions is None: # pragma: no cover
dimensions = {}
self.dimensions = dimensions
self.count_metatiles = None
self.count_metatiles_dropped = Count()
self.count_tiles = Count()
self.count_tiles_dropped = Count()
self.count_tiles_stored = None
self.sqs_tilestore = None
self.cache_tilestore = None
if options.get_bbox:
try:
tilecoord = parse_tilecoord(options.get_bbox)
print("Tile bounds: [{},{},{},{}]".format(*default_int(
gene.layer['grid_ref']['obj'].extent(tilecoord))))
exit()
except ValueError as e: # pragma: no cover
print(
"Tile '{}' is not in the format 'z/x/y' or z/x/y:+n/+n\n{}"
.format(options.get_bbox, repr(e)))
exit(1)
if options.get_hash:
options.role = 'hash'
options.test = 1
if options.role in ('master', 'slave'):
# Create SQS queue
self.sqs_tilestore = SQSTileStore(
gene.get_sqs_queue(),
on_empty=await_message
if options.daemon else maybe_stop) # pragma: no cover
if options.role in ('local', 'slave'):
self.cache_tilestore = gene.get_tilesstore(options.cache,
dimensions)
if options.tiles:
gene.set_store(TilesFileStore(options.tiles, options.layer))
elif options.role in ('local', 'master'):
# Generate a stream of metatiles
gene.init_tilecoords()
gene.add_geom_filter()
if options.role in ('local', 'master') and 'logging' in gene.config:
gene.imap(
DatabaseLoggerInit(gene.config['logging'], options is not None
and options.daemon))
if options.local_process_number is not None: # pragma: no cover
gene.add_local_process_filter()
elif options.role == 'slave':
# Get the metatiles from the SQS queue
gene.set_store(self.sqs_tilestore) # pragma: no cover
elif options.role == 'hash':
try:
z, x, y = (int(v) for v in options.get_hash.split('/'))
if gene.layer.get('meta'):
gene.set_tilecoords(
[TileCoord(z, x, y, gene.layer['meta_size'])])
else:
gene.set_tilecoords([TileCoord(z, x, y)])
except ValueError as e: # pragma: no cover
exit("Tile '{}' is not in the format 'z/x/y'\n{}".format(
options.get_hash, repr(e)))
# At this stage, the tilestream contains metatiles that intersect geometry
gene.add_logger()
self.count_metatiles = gene.counter()
if options.role == 'master': # pragma: no cover
# Put the metatiles into the SQS queue
gene.put(self.sqs_tilestore)
self.count_tiles = gene.counter()
elif options.role in ('local', 'slave', 'hash'):
gene.get(
MultiTileStore({
name: self._get_tilestore_for_layer(layer, gene)
for name, layer in gene.layers.items()
}), 'Get tile')
def wrong_content_type_to_error(tile):
if tile is not None and tile.content_type is not None \
and tile.content_type.find("image/") != 0:
if tile.content_type.find(
"application/vnd.ogc.se_xml") == 0:
tile.error = "WMS server error: {}".format(
(self._re_rm_xml_tag.sub('', tile.error)))
else: # pragma: no cover
tile.error = "{} is not an image format, error: {}".format(
tile.content_type, tile.error)
return tile
gene.imap(wrong_content_type_to_error)
gene.add_error_filters()
if options.role == 'hash':
if gene.layer.get('meta', False):
gene.imap(HashLogger('empty_metatile_detection'))
elif not options.near:
droppers = {}
for lname, layer in gene.layers.items():
if 'empty_metatile_detection' in layer:
empty_tile = layer['empty_metatile_detection']
droppers[lname] = HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=self.cache_tilestore,
queue_store=self.sqs_tilestore,
count=self.count_metatiles_dropped,
)
if droppers:
gene.imap(MultiAction(droppers))
def add_elapsed_togenerate(metatile):
if metatile is not None:
metatile.elapsed_togenerate = metatile.tilecoord.n**2
return True
return False # pragma: no cover
gene.ifilter(add_elapsed_togenerate)
# Split the metatile image into individual tiles
gene.add_metatile_splitter()
gene.imap(Logger(logger, logging.INFO, '%(tilecoord)s'))
gene.imap(self.count_tiles)
gene.process(key='pre_hash_post_process')
if options.role == 'hash':
gene.imap(HashLogger('empty_tile_detection'))
elif not options.near:
droppers = {}
for lname, layer in gene.layers.items():
if 'empty_tile_detection' in layer:
empty_tile = layer['empty_tile_detection']
droppers[lname] = HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=self.cache_tilestore,
queue_store=self.sqs_tilestore,
count=self.count_tiles_dropped,
)
if droppers:
gene.imap(MultiAction(droppers))
gene.process()
else: # pragma: no cover
self.count_tiles = gene.counter()
if options.role in ('local', 'slave'):
self.count_tiles_stored = gene.counter(size=True)
if options.time:
def log_size(tile):
sys.stdout.write('size: {}\n'.format(len(tile.data)))
return tile
gene.imap(log_size)
gene.put(self.cache_tilestore, "Store the tile")
if options.generated_tiles_file: # pragma: no cover
generated_tiles_file = open(options.generated_tiles_file, 'a')
def do(tile):
generated_tiles_file.write('{}\n'.format(tile.tilecoord))
return tile
gene.imap(do)
if options.role == 'slave': # pragma: no cover
def delete_from_store(tile):
if hasattr(tile, 'metatile'):
tile.metatile.elapsed_togenerate -= 1
if tile.metatile.elapsed_togenerate == 0:
self.sqs_tilestore.delete_one(tile.metatile)
else:
self.sqs_tilestore.delete_one(tile)
return True
gene.ifilter(delete_from_store)
if options.role in ('local', 'slave') and 'logging' in gene.config:
gene.imap(
DatabaseLogger(gene.config['logging'], options is not None
and options.daemon))
gene.add_error_filters()
message = []
if options.time is not None:
class LogTime:
n = 0
t1 = None
def __call__(self, tile):
self.n += 1
if self.n == options.time:
self.t1 = datetime.now()
elif self.n == 2 * options.time:
t2 = datetime.now()
d = (t2 - self.t1) / options.time
sys.stdout.write('time: {}\n'.format(
((d.days * 24 * 3600 + d.seconds) * 1000000 +
d.microseconds)))
return tile
gene.imap(LogTime())
gene.consume(options.time * 3)
else:
gene.consume()
if gene.layer is not None:
message = [
"The tile generation of layer '{}{}' is finish".format(
gene.layer['name'], ""
if len(dimensions) == 0 or gene.layer['type'] != 'wms'
else " ({})".format(", ".join(
["=".join(d) for d in dimensions.items()]))),
]
if options.role == "master": # pragma: no cover
message.append("Nb of generated jobs: {}".format(
self.count_tiles.nb))
else:
if gene.layer.get('meta'):
message += [
"Nb generated metatiles: {}".format(
self.count_metatiles.nb),
"Nb metatiles dropped: {}".format(
self.count_metatiles_dropped.nb),
]
else:
message = ["The tile generation is finish"]
if options.role != "master":
message += [
"Nb generated tiles: {}".format(self.count_tiles.nb),
"Nb tiles dropped: {}".format(self.count_tiles_dropped.nb),
]
if options.role in ('local', 'slave'):
message += [
"Nb tiles stored: {}".format(
self.count_tiles_stored.nb),
"Nb tiles in error: {}".format(gene.error),
"Total time: {}".format(duration_format(
gene.duration)),
]
if self.count_tiles_stored.nb != 0:
message.append("Total size: {}".format(
size_format(self.count_tiles_stored.size)))
if self.count_tiles.nb != 0:
message.append("Time per tile: {:0.0f} ms".format(
(gene.duration / self.count_tiles.nb *
1000).seconds))
if self.count_tiles_stored.nb != 0:
message.append("Size per tile: {:0.0f} o".format(
self.count_tiles_stored.size /
self.count_tiles_stored.nb))
if not options.quiet and options.role in ('local', 'slave'):
print("\n".join(message) + "\n")
if self.cache_tilestore is not None and hasattr(
self.cache_tilestore, 'connection'):
self.cache_tilestore.connection.close()
if options.role != 'hash' and options.time is None and 'sns' in gene.config: # pragma: no cover
if 'region' in gene.config['sns']:
connection = sns.connect_to_region(
gene.config['sns']['region'])
else:
connection = boto.connect_sns()
sns_message = [message[0]]
sns_message += [
"Layer: {}".format(gene.layer['name'] if gene.
layer is not None else "(All layers)"),
"Role: {}".format(options.role),
"Host: {}".format(socket.getfqdn()),
"Command: {}".format(' '.join([quote(arg)
for arg in sys.argv])),
]
sns_message += message[1:]
connection.publish(
gene.config['sns']['topic'], "\n".join(sns_message),
"Tile generation ({layer!s} - {role!s})".format(
**{
'role':
options.role,
'layer':
gene.layer['name'] if gene.
layer is not None else "All layers"
}))
def _generate_tiles(self):
if self._options.role == 'slave':
# Get the metatiles from the SQS queue
self._gene.set_store(self._sqs_tilestore) # pragma: no cover
self._gene.ifilter(lambda tile: 'layer' in tile.metadata)
self._gene.get(
TimedTileStoreWrapper(MultiTileStore({
name: self._get_tilestore_for_layer(layer)
for name, layer in self._gene.layers.items()
}),
stats_name='get'), 'Get tile')
def wrong_content_type_to_error(tile):
if tile is not None and tile.content_type is not None \
and tile.content_type.find("image/") != 0:
if tile.content_type.find("application/vnd.ogc.se_xml") == 0:
tile.error = "WMS server error: {}".format(
(self._re_rm_xml_tag.sub('', tile.error)))
else: # pragma: no cover
tile.error = "{} is not an image format, error: {}".format(
tile.content_type, tile.error)
return tile
self._gene.imap(wrong_content_type_to_error)
if self._options.role in ('local',
'slave') and 'logging' in self._gene.config:
self._gene.imap(
DatabaseLogger(
self._gene.config['logging'], self._options is not None
and self._options.daemon))
self._gene.add_error_filters(
self._sqs_tilestore if 'error_file' in
self._gene.config['generation'] else None)
else:
self._gene.add_error_filters()
if self._options.role == 'hash':
self._gene.imap(HashLogger('empty_metatile_detection'))
elif self._options.role == 'hash':
pass
elif not self._options.near:
droppers = {}
for lname, layer in self._gene.layers.items():
if 'empty_metatile_detection' in layer:
empty_tile = layer['empty_metatile_detection']
droppers[lname] = HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=self._cache_tilestore,
queue_store=self._sqs_tilestore,
count=self._count_metatiles_dropped,
)
if droppers:
self._gene.imap(MultiAction(droppers))
def add_elapsed_togenerate(metatile):
if metatile is not None:
metatile.elapsed_togenerate = metatile.tilecoord.n**2
return True
return False # pragma: no cover
self._gene.ifilter(add_elapsed_togenerate)
# Split the metatile image into individual tiles
self._gene.add_metatile_splitter()
self._gene.imap(
Logger(logger, logging.INFO,
'%(tilecoord)s, %(formated_metadata)s'))
self._gene.imap(self._count_tiles)
self._gene.process(key='pre_hash_post_process')
if self._options.role == 'hash':
self._gene.imap(HashLogger('empty_tile_detection'))
elif not self._options.near:
droppers = {}
for lname, layer in self._gene.layers.items():
if 'empty_tile_detection' in layer:
empty_tile = layer['empty_tile_detection']
droppers[lname] = HashDropper(
empty_tile['size'],
empty_tile['hash'],
store=self._cache_tilestore,
queue_store=self._sqs_tilestore,
count=self._count_tiles_dropped,
)
if len(droppers) != 0:
self._gene.imap(MultiAction(droppers))
self._gene.process()
if self._options.role in ('local', 'slave'):
self._count_tiles_stored = self._gene.counter(size=True)
if self._options.time:
def log_size(tile):
sys.stdout.write('size: {}\n'.format(len(tile.data)))
return tile
self._gene.imap(log_size)
self._gene.ifilter(lambda tile: tile is not None)
self._gene.put(self._cache_tilestore, "Store the tile")
if self._options.role == 'slave': # pragma: no cover
def delete_from_store(tile):
if hasattr(tile, 'metatile'):
tile.metatile.elapsed_togenerate -= 1
if tile.metatile.elapsed_togenerate == 0:
self._sqs_tilestore.delete_one(tile.metatile)
else:
self._sqs_tilestore.delete_one(tile)
return True
self._gene.ifilter(delete_from_store)
if self._options.role in ('local',
'slave') and 'logging' in self._gene.config:
self._gene.imap(
DatabaseLogger(
self._gene.config['logging'], self._options is not None
and self._options.daemon))
self._gene.add_error_filters()