Python script to generate a .json.gz file per each locale

.gitignore

@@ -1 +1,2 @@
 schema.json.gz
+locales/

scripts/update-gz.py

@@ -0,0 +1,68 @@
+import os
+import shutil
+import gzip
+import json
+from pathlib import Path
+import copy 
+
+parent_folder =  Path(__file__).resolve().parent.parent
+gzipped_file = f'{parent_folder}/schema.json.gz'
+schema_file = f'{parent_folder}/schema.json'
+locales_folder = f'{parent_folder}/locales'
+
+with open(schema_file, 'r') as f:
+    schema_text = f.read()
+    schema = json.loads(schema_text)
+
+if os.path.exists(locales_folder):
+    shutil.rmtree(locales_folder)
+
+os.mkdir(locales_folder)
+
+# String that accumulates the rules to paste into htaccess
+htaccess_rules = f"RewriteRule ^schema/({'|'.join(schema['locales'].keys())})$ /zotero-schema/locales/$1.gz [L]"
+#Dict to collect country codes with locales to handle multiple locales per country code
+htaccess_mapings = {}
+
+# For each item in the 'locales' list of the schema
+for locale_name in schema['locales'].keys():
+    schema_with_one_locale = copy.deepcopy(schema)
+    current_locale = schema_with_one_locale['locales'][locale_name]
+
+    schema_with_one_locale['locales'] = {locale_name : current_locale}
+
+    # Rule to match by country
+    if locale_name[:2] in htaccess_mapings:
+        htaccess_mapings[locale_name[:2]].append(locale_name)
+    else:
+        htaccess_mapings[locale_name[:2]] = [locale_name]
+
+    # generate a gzip file and save it to the locales subdirectory
+    with gzip.open(f'{locales_folder}/{locale_name}.json.gz', 'wb') as f_out:
+        json_bytes = json.dumps(schema_with_one_locale, ensure_ascii=False).encode('utf8')
+        f_out.write(json_bytes)
+
+
+def locale_sort_key(a):
+    # Prefer en-US
+    if a == 'en-US':
+        return 'A'
+    # Prefer canonical locales
+    if a[:2] == a[3:5].lower():
+        return 'A'
+    return a[3:5]
+
+# For every country code, sort locale candidates and add rule to htacecss
+for country_code in htaccess_mapings.keys():
+    htaccess_mapings[country_code].sort(key=locale_sort_key)
+    htaccess_rules += f'\nRewriteRule ^schema/{country_code}(-.*)?$ /zotero-schema/locales/{htaccess_mapings[country_code][0]}.gz [L]'  
+
+# Catch all for default schema with all locales
+htaccess_rules += f'\nRewriteRule ^schema/* /zotero-schema/schema.json.gz [L]' 
+
+print("--- .htacess rules --- \n" + htaccess_rules + "\n---  ---")
+
+
+# Create gzip for the main schema
+with open(schema_file, 'rb') as f_in, gzip.open(gzipped_file, 'wb') as f_out:
+    shutil.copyfileobj(f_in, f_out)