/usr/bin/tilestache-clean is in tilestache 1.31.0-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | #!/usr/bin/python
"""tilestache-clean.py will flush your cache.
This script is intended to be run directly. This example cleans the area around
West Oakland (http://sta.mn/ck) in the "osm" layer, for zoom levels 12-15:
tilestache-clean.py -c ./config.json -l osm -b 37.79 -122.35 37.83 -122.25 -e png 12 13 14 15
See `tilestache-clean.py --help` for more information.
"""
from sys import stderr, path
from optparse import OptionParser
try:
from json import dump as json_dump
except ImportError:
from simplejson import dump as json_dump
#
# Most imports can be found below, after the --include-path option is known.
#
parser = OptionParser(usage="""%prog [options] [zoom...]
Cleans a single layer in your TileStache configuration - no images are returned,
and TileStache ends up with an empty in selected areas cache. Bounding box is
given as a pair of lat/lon coordinates, e.g. "37.788 -122.349 37.833 -122.246".
Output is a list of tile paths as they are created.
Configuration, bbox, and layer options are required; see `%prog --help` for info.""")
defaults = dict(extension='png', padding=0, verbose=True, bbox=(37.777, -122.352, 37.839, -122.226))
parser.set_defaults(**defaults)
parser.add_option('-c', '--config', dest='config',
help='Path to configuration file.')
parser.add_option('-l', '--layer', dest='layer',
help='Layer name from configuration. "ALL" is a special value that will clean all layers in turn. If you have an actual layer named "ALL", use "ALL LAYERS" instead.')
parser.add_option('-b', '--bbox', dest='bbox',
help='Bounding box in floating point geographic coordinates: south west north east.',
type='float', nargs=4)
parser.add_option('-p', '--padding', dest='padding',
help='Extra margin of tiles to add around bounded area. Default value is %s (no extra tiles).' % repr(defaults['padding']),
type='int')
parser.add_option('-e', '--extension', dest='extension',
help='Optional file type for rendered tiles. Default value is %s.' % repr(defaults['extension']))
parser.add_option('-f', '--progress-file', dest='progressfile',
help="Optional JSON progress file that gets written on each iteration, so you don't have to pay close attention.")
parser.add_option('-q', action='store_false', dest='verbose',
help='Suppress chatty output, --progress-file works well with this.')
parser.add_option('-i', '--include-path', dest='include',
help="Add the following colon-separated list of paths to Python's include path (aka sys.path)")
parser.add_option('--tile-list', dest='tile_list',
help='Optional file of tile coordinates, a simple text list of Z/X/Y coordinates. Overrides --bbox and --padding.')
def generateCoordinates(ul, lr, zooms, padding):
""" Generate a stream of (offset, count, coordinate) tuples for seeding.
Flood-fill coordinates based on two corners, a list of zooms and padding.
"""
# start with a simple total of all the coordinates we will need.
count = 0
for zoom in zooms:
ul_ = ul.zoomTo(zoom).container().left(padding).up(padding)
lr_ = lr.zoomTo(zoom).container().right(padding).down(padding)
rows = lr_.row + 1 - ul_.row
cols = lr_.column + 1 - ul_.column
count += int(rows * cols)
# now generate the actual coordinates.
# offset starts at zero
offset = 0
for zoom in zooms:
ul_ = ul.zoomTo(zoom).container().left(padding).up(padding)
lr_ = lr.zoomTo(zoom).container().right(padding).down(padding)
for row in range(int(ul_.row), int(lr_.row + 1)):
for column in range(int(ul_.column), int(lr_.column + 1)):
coord = Coordinate(row, column, zoom)
yield (offset, count, coord)
offset += 1
def listCoordinates(filename):
""" Generate a stream of (offset, count, coordinate) tuples for seeding.
Read coordinates from a file with one Z/X/Y coordinate per line.
"""
coords = (line.strip().split('/') for line in open(filename, 'r'))
coords = (map(int, (row, column, zoom)) for (zoom, column, row) in coords)
coords = [Coordinate(*args) for args in coords]
count = len(coords)
for (offset, coord) in enumerate(coords):
yield (offset, count, coord)
if __name__ == '__main__':
options, zooms = parser.parse_args()
if options.include:
for p in options.include.split(':'):
path.insert(0, p)
from TileStache import parseConfigfile, getTile
from TileStache.Core import KnownUnknown
from TileStache.Caches import Disk, Multi
from ModestMaps.Core import Coordinate
from ModestMaps.Geo import Location
try:
if options.config is None:
raise KnownUnknown('Missing required configuration (--config) parameter.')
if options.layer is None:
raise KnownUnknown('Missing required layer (--layer) parameter.')
config = parseConfigfile(options.config)
if options.layer in ('ALL', 'ALL LAYERS') and options.layer not in config.layers:
# clean every layer in the config
layers = config.layers.values()
elif options.layer not in config.layers:
raise KnownUnknown('"%s" is not a layer I know about. Here are some that I do know about: %s.' % (options.layer, ', '.join(sorted(config.layers.keys()))))
else:
# clean just one layer in the config
layers = [config.layers[options.layer]]
verbose = options.verbose
extension = options.extension
progressfile = options.progressfile
lat1, lon1, lat2, lon2 = options.bbox
south, west = min(lat1, lat2), min(lon1, lon2)
north, east = max(lat1, lat2), max(lon1, lon2)
northwest = Location(north, west)
southeast = Location(south, east)
for (i, zoom) in enumerate(zooms):
if not zoom.isdigit():
raise KnownUnknown('"%s" is not a valid numeric zoom level.' % zoom)
zooms[i] = int(zoom)
if options.padding < 0:
raise KnownUnknown('A negative padding will not work.')
padding = options.padding
tile_list = options.tile_list
except KnownUnknown, e:
parser.error(str(e))
for layer in layers:
if tile_list:
coordinates = listCoordinates(tile_list)
else:
ul = layer.projection.locationCoordinate(northwest)
lr = layer.projection.locationCoordinate(southeast)
coordinates = generateCoordinates(ul, lr, zooms, padding)
for (offset, count, coord) in coordinates:
path = '%s/%d/%d/%d.%s' % (layer.name(), coord.zoom, coord.column, coord.row, extension)
progress = {"tile": path,
"offset": offset + 1,
"total": count}
if options.verbose:
print >> stderr, '%(offset)d of %(total)d...' % progress,
try:
mimetype, format = layer.getTypeByExtension(extension)
except:
#
# It's not uncommon for layers to lack support for certain
# extensions, so just don't attempt to remove a cached tile
# for an unsupported format.
#
pass
else:
config.cache.remove(layer, coord, format)
if options.verbose:
print >> stderr, '%(tile)s' % progress
if progressfile:
fp = open(progressfile, 'w')
json_dump(progress, fp)
fp.close()
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