1 files changed, 53 insertions, 0 deletions
diff --git a/util/signer/pmjp.py b/util/signer/pmjp.py
new file mode 100755
index 0000000000..92e3db035c
--- /dev/null
+++ b/util/signer/pmjp.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python
+# Copyright 2017 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Poor man's JSON parser.
+
+This module reads the input JSON file, retrieves from it some name/value pairs
+and generates a .h file to allow a C code use the definitions.
+
+The JSON file name is required to be passed in in the command line, the nodes
+this script pays attention to are included in required_keys tuple below.
+"""
+
+import json
+import sys
+
+required_keys = ('epoch', 'major', 'minor')
+
+
+def main(json_file_name):
+  # get rid of the comments
+  json_text = []
+  h_file_text = ['''
+/*
+ * Copyright %d The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* This file was autogenerated, do not edit. */
+''',]
+
+  json_file = open(json_file_name, 'r')
+  for line in json_file.read().splitlines():
+    json_text.append(line.split('//')[0])
+
+  j = json.loads('\n'.join(json_text))
+
+  for key in required_keys:
+    if key in j.keys():
+      value = j[key]
+    else:
+      value = '0'
+
+    h_file_text.append('#define MANIFEST_%s %s' % (key.upper(), value))
+
+  h_file_text.append('')
+  return '\n'.join(h_file_text)
+
+
+if __name__ == '__main__':
+  print main(sys.argv[1])