Added json schema

.github/workflows/check-schema.yaml

@@ -0,0 +1,22 @@
+name: Lint and Validate
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main, develop ]
+  workflow_dispatch:
+
+jobs:
+  lint-and-validate:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+
+    - name: Validate examples against schemas
+      run: |
+        uv run scripts/validate-examples.sh

.python-version

@@ -0,0 +1 @@
+3.13

examples/air_temperature.zarr/README.md

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+# Air Temperature
+
+This example comes from http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html. Accessed via https://github.com/pydata/xarray-data/blob/master/air_temperature.nc

examples/air_temperature.zarr/air/zarr.json

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+{
+  "shape": [
+    2920,
+    25,
+    53
+  ],
+  "data_type": "int16",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        730,
+        13,
+        27
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": 0,
+  "codecs": [
+    {
+      "name": "bytes",
+      "configuration": {
+        "endian": "little"
+      }
+    },
+    {
+      "name": "zstd",
+      "configuration": {
+        "level": 0,
+        "checksum": false
+      }
+    }
+  ],
+  "attributes": {
+    "long_name": "4xDaily Air temperature at sigma level 995",
+    "units": "degK",
+    "precision": 2,
+    "GRIB_id": 11,
+    "GRIB_name": "TMP",
+    "var_desc": "Air temperature",
+    "dataset": "NMC Reanalysis",
+    "level_desc": "Surface",
+    "statistic": "Individual Obs",
+    "parent_stat": "Other",
+    "actual_range": [
+      185.16000366210938,
+      322.1000061035156
+    ],
+    "scale_factor": 0.01
+  },
+  "dimension_names": [
+    "time",
+    "lat",
+    "lon"
+  ],
+  "zarr_format": 3,
+  "node_type": "array",
+  "storage_transformers": []
+}

examples/air_temperature.zarr/lat/zarr.json

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+{
+  "shape": [
+    25
+  ],
+  "data_type": "float32",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        25
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": 0.0,
+  "codecs": [
+    {
+      "name": "bytes",
+      "configuration": {
+        "endian": "little"
+      }
+    },
+    {
+      "name": "zstd",
+      "configuration": {
+        "level": 0,
+        "checksum": false
+      }
+    }
+  ],
+  "attributes": {
+    "standard_name": "latitude",
+    "long_name": "Latitude",
+    "units": "degrees_north",
+    "axis": "Y",
+    "_FillValue": "AAAAAAAA+H8="
+  },
+  "dimension_names": [
+    "lat"
+  ],
+  "zarr_format": 3,
+  "node_type": "array",
+  "storage_transformers": []
+}

examples/air_temperature.zarr/lon/zarr.json

@@ -0,0 +1,49 @@
+{
+  "shape": [
+    53
+  ],
+  "data_type": "float32",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        53
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": 0.0,
+  "codecs": [
+    {
+      "name": "bytes",
+      "configuration": {
+        "endian": "little"
+      }
+    },
+    {
+      "name": "zstd",
+      "configuration": {
+        "level": 0,
+        "checksum": false
+      }
+    }
+  ],
+  "attributes": {
+    "standard_name": "longitude",
+    "long_name": "Longitude",
+    "units": "degrees_east",
+    "axis": "X",
+    "_FillValue": "AAAAAAAA+H8="
+  },
+  "dimension_names": [
+    "lon"
+  ],
+  "zarr_format": 3,
+  "node_type": "array",
+  "storage_transformers": []
+}

examples/air_temperature.zarr/time/zarr.json

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+{
+  "shape": [
+    2920
+  ],
+  "data_type": "float32",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        2920
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": 0.0,
+  "codecs": [
+    {
+      "name": "bytes",
+      "configuration": {
+        "endian": "little"
+      }
+    },
+    {
+      "name": "zstd",
+      "configuration": {
+        "level": 0,
+        "checksum": false
+      }
+    }
+  ],
+  "attributes": {
+    "standard_name": "time",
+    "long_name": "Time",
+    "units": "hours since 1800-01-01",
+    "calendar": "standard",
+    "_FillValue": "AAAAAAAA+H8="
+  },
+  "dimension_names": [
+    "time"
+  ],
+  "zarr_format": 3,
+  "node_type": "array",
+  "storage_transformers": []
+}

examples/air_temperature.zarr/zarr.json

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+{
+  "attributes": {
+    "Conventions": "COARDS",
+    "title": "4x daily NMC reanalysis (1948)",
+    "description": "Data is from NMC initialized reanalysis\n(4x/day).  These are the 0.9950 sigma level values.",
+    "platform": "Model",
+    "references": "http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.html"
+  },
+  "zarr_format": 3,
+  "node_type": "group"
+}

examples/example-array/zarr.json

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+{
+    "zarr_format": 3,
+    "node_type": "array",
+    "shape": [10000, 1000],
+    "dimension_names": ["rows", "columns"],
+    "data_type": "float64",
+    "chunk_grid": {
+        "name": "regular",
+        "configuration": {
+            "chunk_shape": [1000, 100]
+        }
+    },
+    "chunk_key_encoding": {
+        "name": "default",
+        "configuration": {
+            "separator": "/"
+        }
+    },
+    "codecs": [{
+        "name": "bytes",
+        "configuration": {
+            "endian": "little"
+        }
+    }],
+    "fill_value": "NaN",
+    "attributes": {
+        "foo": 42,
+        "bar": "apples",
+        "baz": [1, 2, 3, 4]
+    }
+} 

examples/example-group/zarr.json

@@ -0,0 +1,8 @@
+{
+    "zarr_format": 3,
+    "node_type": "group",
+    "attributes": {
+        "spam": "ham",
+        "eggs": 42
+    }
+}