def __init__(self, tile_json, urls_key='tiles', **kwargs):
# FIXME schema
# FIXME version 1.0.0 support
d = json.loads(tile_json)
assert 'tiles' in d
assert isinstance(d['tiles'], list)
assert len(d['tiles']) > 0
for key in self.KEYS:
kwargs.setdefault(key, d.get(key, None))
if 'bounding_pyramid' not in kwargs:
zmin, zmax = d.get('minzoom', 0), d.get('maxzoom', 22)
if 'bounds' in d:
lonmin, latmin, lonmax, latmax = d['bounds']
bounding_pyramid = BoundingPyramid.from_wgs84(zmin, zmax,
lonmin, lonmax,
latmin, latmax)
else:
bounding_pyramid = BoundingPyramid.full(zmin, zmax)
kwargs['bounding_pyramid'] = bounding_pyramid
urls = d[urls_key]
if 'content_type' not in kwargs:
exts = set(os.path.splitext(urlparse(url).path)[1] for url in urls)
content_types = set(mimetypes.types_map.get(ext) for ext in exts)
assert len(content_types) == 1
kwargs['content_type'] = content_types.pop()
templates = [re.sub(r'\{([xyz])\}', lambda m: '%%(%s)d' % m.group(1), url)
for url in urls]
tile_layouts = map(TemplateTileLayout, templates)
URLTileStore.__init__(self, tile_layouts, **kwargs)
def __init__(self, tile_json, urls_key="tiles", **kwargs):
# FIXME schema
# FIXME version 1.0.0 support
d = json.loads(tile_json)
assert "tiles" in d
assert isinstance(d["tiles"], list)
assert len(d["tiles"]) > 0
for key in self.KEYS:
kwargs.setdefault(key, d.get(key))
if "bounding_pyramid" not in kwargs:
zmin, zmax = d.get("minzoom", 0), d.get("maxzoom", 22)
if "bounds" in d:
lonmin, latmin, lonmax, latmax = d["bounds"]
bounding_pyramid = BoundingPyramid.from_wgs84(
zmin, zmax, lonmin, lonmax, latmin, latmax)
else:
bounding_pyramid = BoundingPyramid.full(zmin, zmax)
kwargs["bounding_pyramid"] = bounding_pyramid
urls = d[urls_key]
if "content_type" not in kwargs:
exts = set(
os.path.splitext(urlparse(url1).path)[1] for url1 in urls)
content_types = set(mimetypes.types_map.get(ext) for ext in exts)
assert len(content_types) == 1
kwargs["content_type"] = content_types.pop()
templates = [
re.sub(r"\{([xyz])\}", lambda m: "%({0!s})d".format(m.group(1)),
url2) for url2 in urls
]
tilelayouts = map(TemplateTileLayout, templates)
URLTileStore.__init__(self, tilelayouts, **kwargs)