Optimize JSON validation on CI (CleverRaven#55060)

Author: BrettDong

build-scripts/build.sh

@@ -19,7 +19,7 @@ fi
 
 if [ -n "$TEST_STAGE" ]
 then
-    build-scripts/lint-json.sh
+    build-scripts/validate_json.py
     make style-all-json-parallel RELEASE=1
 
     tools/dialogue_validator.py data/json/npcs/* data/json/npcs/*/* data/json/npcs/*/*/*

build-scripts/gha_compile_only.sh

@@ -19,7 +19,7 @@ fi
 
 if [ -n "$TEST_STAGE" ]
 then
-    build-scripts/lint-json.sh
+    build-scripts/validate_json.py
     make style-all-json-parallel RELEASE=1
 
     tools/dialogue_validator.py data/json/npcs/* data/json/npcs/*/* data/json/npcs/*/*/*

build-scripts/lint-json.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+# Validate that all JSON files are syntactically correct;
+# does NOT check indentation styles.
+
+import glob
+import json
+import sys
+
+
+def main():
+    json_files = glob.glob('**/**.json', recursive=True)
+    errors = 0
+    total = 0
+    for file_path in json_files:
+        if not file_path.startswith("android/app/src/main/assets"):
+            total += 1
+            try:
+                with open(file_path, encoding="utf-8") as fp:
+                    _ = json.load(fp)
+            except OSError as e:
+                print("Error opening {}: {}".format(file_path, e))
+                errors += 1
+            except json.JSONDecodeError as e:
+                print("Error parsing {}: {}".format(file_path, e))
+                errors += 1
+    if errors == 0:
+        print("All {} JSON files healthy.".format(total))
+        return 0
+    else:
+        print("Found {} erroneous files among {} JSON files in the repository."
+              .format(errors, total))
+        return min(errors, 255)
+
+
+if __name__ == '__main__':
+    sys.exit(main())