Cover ISO 4217 currency codes (#5)

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

Makefile

@@ -1,5 +1,6 @@
 JSONSCHEMA = jsonschema
 SHELLCHECK = shellcheck
+PYTHON = python3
 
 # TODO: Extend `validate` to take a directory as argument
 SCHEMAS = $(shell find schemas/ -type f -name '*.json')
@@ -22,4 +23,16 @@ lint: common
 test: .always
 	$(JSONSCHEMA) test ./tests
 
+generate: .always
+	$(PYTHON) scripts/generate-iso-currency.py
+
+fetch: .always
+	$(PYTHON) scripts/fetch-xml.py \
+		"https://www.six-group.com/dam/download/financial-information/data-center/iso-currrency/lists/list-one.xml" \
+		> data/six-group-iso-currency.json
+	$(PYTHON) scripts/fetch-xml.py \
+		"https://www.six-group.com/dam/download/financial-information/data-center/iso-currrency/lists/list-three.xml" \
+		> data/six-group-iso-currency-historical.json
+
+
 .always:

conventions.json

@@ -1,6 +1,26 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "type": "object",
+  "anyOf": [
+    {
+      "properties": {
+        "examples": {
+          "type": "array",
+          "minItems": 1
+        },
+        "const": true
+      }
+    },
+    {
+      "properties": {
+        "examples": {
+          "type": "array",
+          "minItems": 3
+        },
+        "const": false
+      }
+    }
+  ],
   "required": [
     "x-license",
     "title",
@@ -17,10 +37,6 @@
     "$comment": {
       "$ref": "./schemas/ietf/http/https-url.json"
     },
-    "examples": {
-      "type": "array",
-      "minItems": 3
-    },
     "x-license": {
       "const": "https://github.com/sourcemeta/std/blob/main/LICENSE"
     }