from mercantile import Tile
try:
from urllib.parse import urlparse, urlencode
from urllib.request import urlopen, Request
from urllib.error import HTTPError
except ImportError:
from urlparse import urlparse
from urllib import urlencode
from urllib2 import urlopen, Request, HTTPError
from .catalogs import VirtualCatalog
LOG = logging.getLogger(__name__)
IMAGE_TRANSFORMATION = Image()
IMAGE_FORMAT = Optimal()
app = Flask("marblecutter-virtual")
app.register_blueprint(bp)
app.url_map.strict_slashes = False
CORS(app, send_wildcard=True)
@lru_cache()
def make_catalog(args):
if args.get("url", "") == "":
raise NoCatalogAvailable()
try:
return VirtualCatalog(args["url"],
"normal": ELEVATION_CATALOG,
"terrarium": ELEVATION_CATALOG,
}
DATA_BAND_COUNTS = {"imagery": 3}
FORMATS = {
"buffered_normal": PNG(),
"hillshade": ColorRamp(),
"imagery": PNG(),
"normal": PNG(),
"terrarium": PNG(),
}
RENDERERS = ["hillshade", "imagery", "buffered_normal", "normal", "terrarium"]
TRANSFORMATIONS = {
"buffered_normal": Normal(collar=2),
"hillshade": HILLSHADE_TRANSFORMATION,
"imagery": Image(),
"normal": Normal(),
"terrarium": Terrarium(),
}
logging.getLogger("botocore.credentials").setLevel(logging.WARNING)
def make_prefix():
host = request.headers.get("X-Forwarded-Host",
request.headers.get("Host", ""))
# sniff for API Gateway
if ".execute-api." in host and ".amazonaws.com" in host:
return request.headers.get("X-Stage")