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225 | 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"),
"geometry": body.pop("geometry", None),
"bbox": body.pop("bbox"),
"properties": {
"datetime": None,
},
"links": body.pop("links", [])
+ [
{
"rel": "self",
"type": "application/geo+json",
"href": f"{self.conf.stac_root_url}/collections/{body['collection']}/items/{body['id']}",
},
{
"rel": "parent",
"type": "application/json",
"href": f"{self.conf.stac_root_url}/collections/{body['collection']}",
},
{
"rel": "collection",
"type": "application/json",
"href": f"{self.conf.stac_root_url}/collections/{body['collection']}",
},
{
"rel": "root",
"type": "application/json",
"href": self.conf.stac_root_url,
},
],
"assets": body.pop("assets", {}),
"collection": body.pop("collection"),
}
if title := body.pop("title", None):
output["properties"]["title"] = title
if description := body.pop("description", None):
output["properties"]["description"] = description
if version := body.pop("version", None):
output["properties"]["version"] = version
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 project := body.pop("project", None):
output["properties"]["project"] = project
if license := body.pop("license", None):
output["properties"]["license"] = license
if sci_doi := body.pop("sci:doi", None):
output["properties"]["sci:doi"] = sci_doi
if sci_citation := body.pop("sci:citation", None):
output["properties"]["sci:citation"] = sci_citation
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"),
}
if title := body.pop("title", None):
output["title"] = title
if description := body.pop("description", None):
output["description"] = description
if keywords := body.pop("keywords", []):
output["keywords"] = keywords
if license := body.pop("license", None):
output["properties"]["license"] = license
if providers := body.pop("providers", []):
output["providers"] = providers
if extent := body.pop(
"extent",
{
"temporal": {
"interval": None,
},
"spatial": {
"bbox": None,
},
},
):
output["extent"] = extent
if bbox := body.pop("bbox", None):
output["extent"]["spatial"]["bbox"] = bbox
if interval := body.pop("interval", None):
output["extent"]["temporal"]["interval"] = interval
output["links"] = body.pop("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,
},
]
if assets := body.pop("assets", {}):
output["assets"] = assets
if item_assets := body.pop("item_assets", {}):
output["item_assets"] = item_assets
output["summaries"] |= body
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
|