def test_geokeys():
"Test geo hash keys returned for various coordinates."
init_geohash(_GHKEYLENGTH, _SCALEFACTOR)
expected = [
(0.0, 0.0, 's0000'),
(89, 0.0, 'upb42'),
(89.999999999999992, 0.0, 'upbpb'), # Max lat supported.
(-90, 0.0, 'h0000'),
(-90, -180, '00000'),
(-90, +180, '00000'),
(-90, +90, 'n0000'),
(-90, -90, '40000'),
(-45, -45, '70000'),
(-45, 45, 'm0000'),
(45, 45, 'v0000'),
(45, -45, 'g0000')
]
for (lat, lon, ghkey) in expected:
elem = new_osm_element(C.NODE, '0')
elem[C.LAT] = lat * _SCALEFACTOR
elem[C.LON] = lon * _SCALEFACTOR
res = geohash_key_for_element(elem)
assert res == ghkey
try:
module = __import__('datastore.ds_' + backend,
fromlist=['Datastore'])
except ImportError, x:
parser.exit("Error: Could not initialize backend of type \"%s\": %s" %
(backend, str(x)))
db = module.Datastore(cfg, not options.nothreading, True)
if options.doinit:
db.initialize()
ops = DBOps(cfg, options, db)
# Initialize the geohash module.
init_geohash(cfg.getint(C.DATASTORE, C.GEOHASH_LENGTH),
cfg.getint(C.DATASTORE, C.SCALE_FACTOR))
# Initialize the OSM element factory and related modules.
init_slabutil(cfg)
init_osm_factory(cfg)
# Turn file names into iterators that deliver an element at a time.
try:
iterlist = map(lambda fn: makesource(cfg, options, fn), args)
inputelements = itertools.chain(*iterlist)
except Exception, x:
parser.exit("Error: " + str(x))
for elem in inputelements:
# Add basic elements
if elem.namespace in [C.CHANGESET, C.NODE, C.RELATION, C.WAY]:
try:
module = __import__('datastore.ds_' + backend, fromlist=['Datastore'])
except ImportError, x:
parser.exit("Error: Could not initialize backend of type \"%s\": %s" %
(backend, str(x)))
db = module.Datastore(cfg, not options.nothreading, True)
if options.doinit:
db.initialize()
return
ops = DBOps(cfg, options, db)
# Initialize the geohash module.
init_geohash(cfg.getint(C.DATASTORE, C.GEOHASH_LENGTH),
cfg.getint(C.DATASTORE, C.SCALE_FACTOR))
# Initialize the OSM element factory.
init_osm_factory(cfg)
# Turn file names into iterators that deliver an element at a time.
try:
iterlist = map(lambda fn: makesource(cfg, options, fn), args)
inputelements = itertools.chain(*iterlist)
except Exception, x:
parser.exit("Error: " + str(x))
for elem in inputelements:
# Add basic elements
if elem.namespace in [C.CHANGESET, C.NODE, C.RELATION, C.WAY]:
ops.add_element(elem)
