Merge pull request #3 from glevava/esgvoc_dev

Refactor catalog_specs + add alternate_asset extension + changes acco…

Author: ltroussellier

catalog_specs.yaml

@@ -1,84 +1,121 @@
-version: v1.0.0
+version: v1.0.1
 
 catalog_properties:
   name: stac
   url_template: "https://stac-extensions.github.io/{extension_name}/{extension_version}/schema.json"
   extensions:
     - name: file
       version: v2.1.0
+    - name: alternate-assets
+      version: v1.2.0
 
 dataset_properties:
   - source_collection: activity_id
     catalog_field_value_type: string_array
     is_required: true
+
   - source_collection: citation_url
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: conventions
     catalog_field_value_type: string_array
-    is_required: true
+    is_required: false
+
   - source_collection: data_specs_version
     catalog_field_value_type: string
     is_required: true
+
+  - source_collection: null
+    catalog_field_name: experiment
+    catalog_field_value_type: string
+    is_required: false
+
+  - source_collection: experiment_id
+    catalog_field_value_type: string
+    is_required: true
+
   - source_collection: frequency
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: grid_label
     source_collection_key: description
     catalog_field_name: grid
     catalog_field_value_type: string
-    is_required: true
+    is_required: false
+
   - source_collection: grid_label
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: institution_id
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: license
     catalog_field_value_type: string
-    is_required: true
+    is_required: false
+
   - source_collection: nominal_resolution
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: product
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: realm
     catalog_field_value_type: string_array
     is_required: true
+
   - source_collection: source_id
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: source_type
     catalog_field_value_type: string_array
     is_required: true
+
   - source_collection: variable_id
     source_collection_key: standard_name
     catalog_field_name: variable_cf_standard_name
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: variable_id
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: variable_id
     source_collection_key: long_name
     catalog_field_name: variable_long_name
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: variable_id
     source_collection_key: units
     catalog_field_name: variable_units
     catalog_field_value_type: string
     is_required: true
+
+  - source_collection: variable_id
+    source_collection_key: units
+    catalog_field_name: variable_units
+    catalog_field_value_type: string
+    is_required: true
+
   - source_collection: variant_label
     catalog_field_value_type: string
     is_required: true
+
   - source_collection: version
     source_collection_term: creationdatenb
     catalog_field_value_type: string
     is_required: true
 
 file_properties:
-  - catalog_field_value_type: string
+  - source_collection: tracking_id
+    catalog_field_value_type: string
     is_required: true
-    source_collection: tracking_id
+