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196 | class STACMapping(BaseMapping):
"""Map metadata into STAC.
Mapping Name**: ``stac_mapping``
Description:
Example Configuration:
.. code-block:: yaml
- name: stac_mapping
conf:
stac_root_url: http://stac.catalog
stac_version: 0.0.1
"""
config_class = STACConf
def datetime_field(self, date_str: str) -> str:
dt = parser.parse(date_str)
return dt.strftime("%Y-%m-%dT%H:%M:%SZ")
def item(self, body: dict) -> dict:
output = {
"type": "Feature",
"stac_version": self.conf.stac_version,
"stac_extensions": body.pop("stac_extensions", []) + self.conf.stac_extensions,
"id": body.pop("id"),
"collection": body.pop("collection"),
"geometry": body.pop("geometry", None),
"assets": body.pop("assets", {}),
"properties": {
"datetime": None,
},
}
if "datetime" in body:
output["properties"]["datetime"] = self.datetime_field(body.pop("datetime"))
if "start_datetime" in body:
output["properties"]["start_datetime"] = self.datetime_field(body.pop("start_datetime"))
if "end_datetime" in body:
output["properties"]["end_datetime"] = self.datetime_field(body.pop("end_datetime"))
if "bbox" in body:
output["bbox"] = body.pop("bbox")
output["links"] = body.pop("links", []) + [
{
"rel": "self",
"type": "application/geo+json",
"href": f"{self.conf.stac_root_url}/collections/{output['collection']}/items/{output['id']}",
},
{
"rel": "parent",
"type": "application/json",
"href": f"{self.conf.stac_root_url}/collections/{output['collection']}",
},
{
"rel": "collection",
"type": "application/json",
"href": f"{self.conf.stac_root_url}/collections/{output['collection']}",
},
{
"rel": "root",
"type": "application/json",
"href": self.conf.stac_root_url,
},
]
output["properties"] |= body
return output
def collection(self, body: dict) -> dict:
output = {
"type": "Collection",
"stac_version": self.conf.stac_version,
"stac_extensions": self.conf.stac_extensions,
"id": body.pop("id"),
"extent": {
"temporal": {
"interval": None,
},
"spatial": {
"bbox": None,
},
},
"summaries": {},
"assets": {},
"providers": [],
"license": "",
}
if "description" in body:
output["description"] = body.pop("description")
if "interval" in body:
output["extent"]["temporal"]["interval"] = body.pop("interval")
if "bbox" in body:
output["extent"]["spatial"]["bbox"] = body.pop("bbox")
if "license" in body:
output["license"] = body.pop("license")
if "providers" in body:
output["providers"] = body.pop("providers")
if "member_of_recipes" in body:
output["member_of_recipes"] = body.pop("member_of_recipes")
output["summaries"] |= body
output["links"] = [
{
"rel": "self",
"type": "application/geo+json",
"href": f"{self.conf.stac_root_url}/collections/{output['id']}",
},
{
"rel": "parent",
"type": "application/json",
"href": f"{self.conf.stac_root_url}/",
},
{
"rel": "queryables",
"type": "application/json",
"href": f"{self.conf.stac_root_url}/collections/{output['id']}/queryables",
},
{
"rel": "items",
"type": "application/geo+json",
"href": f"{self.conf.stac_root_url}/collections/cmip6/{output['id']}",
},
{
"rel": "root",
"type": "application/json",
"href": self.conf.stac_root_url,
},
]
return output
def run(
self,
body: dict,
recipe: Recipe,
**kwargs,
) -> dict:
if kwargs["GENERATOR_TYPE"] == "item":
return self.item(body)
if kwargs["GENERATOR_TYPE"] == "collection":
return self.collection(body)
return body
|