backup

Author: konstntokas

xcube_multistore/accessors/base.py

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+# MIT License
+#
+# Copyright (c) 2025 Brockmann Consult GmbH
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from abc import ABC
+
+import xarray as xr
+from xcube.core.mldataset import MultiLevelDataset
+from xcube.core.store import DataStore
+
+
+class Accessor(ABC):
+    """Provides methods for accessing dataset from a data store"""
+
+    def open_data(
+        self,
+        store: DataStore,
+        data_id: str,
+        **open_params,
+    ) -> xr.Dataset | MultiLevelDataset:
+        """Open and return the dataset corresponding to data ID."""
+        return store.open_data(data_id, **open_params)

xcube_multistore/accessors/clms.py

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+# MIT License
+#
+# Copyright (c) 2025 Brockmann Consult GmbH
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import xarray as xr
+from xcube.core.mldataset import MultiLevelDataset
+
+from xcube_multistore.accessor import Accessor
+
+
+class CdsAccessor(Accessor):
+    """Provides methods for accessing dataset from xcube-cds data store"""
+
+    def open_data(
+        self,
+        data_id: str,
+        **open_params,
+    ) -> xr.Dataset | MultiLevelDataset:
+        """Open and return the dataset corresponding to data ID."""
+        open_params = self._convert_point_to_bbox(open_params)
+        return self.store.open_data(data_id, **open_params)
+
+    @staticmethod
+    def _convert_point_to_bbox(open_params: dict):
+        if "point" in open_params:
+            lon, lat = open_params.pop("point")
+            open_params["bbox"] = [
+                lon - 2 * open_params["spatial_res"],
+                lat - 2 * open_params["spatial_res"],
+                lon + 2 * open_params["spatial_res"],
+                lat + 2 * open_params["spatial_res"],
+            ]
+        return open_params