lint: check syntax of countryCode: fields for mirrors

tests/get-country-region-data.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+#
+# This generates a list of ISO_3166-1 alpha 2 country codes for use in lint.
+
+import collections
+import os
+import re
+import requests
+import requests_cache
+import sys
+import tempfile
+
+
+def main():
+    # we want all the data
+    url = 'https://api.worldbank.org/v2/country?format=json&per_page=500'
+    r = requests.get(url, timeout=30)
+    data = r.json()
+    if data[0]['pages'] != 1:
+        print(
+            'ERROR: %d pages in data, this script only reads one page!'
+            % data[0]['pages']
+        )
+        sys.exit(1)
+
+    iso2Codes = set()
+    ISO3166_1_alpha_2_codes = set()
+    names = dict()
+    regions = collections.defaultdict(set)
+    for country in data[1]:
+        iso2Code = country['iso2Code']
+        iso2Codes.add(iso2Code)
+        if country['region']['value'] == 'Aggregates':
+            continue
+        if re.match(r'[A-Z][A-Z]', iso2Code):
+            ISO3166_1_alpha_2_codes.add(iso2Code)
+            names[iso2Code] = country['name']
+            regions[country['region']['value']].add(country['name'])
+    for code in sorted(ISO3166_1_alpha_2_codes):
+        print(f"    '{code}',  # " + names[code])
+
+
+if __name__ == "__main__":
+    requests_cache.install_cache(
+        os.path.join(tempfile.gettempdir(), os.path.basename(__file__) + '.cache')
+    )
+    main()