add python manifest generation

manifest_src/gen_manifest_json.py

@@ -0,0 +1,34 @@
+import sys
+import csv
+import json
+
+def main():
+    if len(sys.argv) != 2:
+        print('provide manifest data directory')
+        return
+    manifest_dir = sys.argv[1]
+    
+    mem_segments = []
+    out_manifest = {
+        'mem_segments': mem_segments
+    }
+    
+    with open(manifest_dir + '/seg_data.csv', 'r', newline='') as csvfile:
+        reader = csv.DictReader(csvfile, delimiter=';')    
+        for line in reader:
+            mem_segments.append(
+                {
+                    'seg_id': int(line['seg_id']),
+                    'name': line['name'],
+                    'word_len': int(line['word_len']),
+                    'default_size': int(line['default_size']),
+                    'default_addr': int(line['default_addr']),
+                    'is_executable': line['is_executable'] == '1'
+                }
+            )
+    
+    with open(manifest_dir + '/MANIFEST.json', 'w') as f:
+        json.dump(out_manifest, f, indent=4)
+            
+if __name__ == '__main__':
+    main()