util/lint/checkpatch_json.py

   1 #!/usr/bin/env python3
   2 # SPDX-License-Identifier: GPL-2.0-only
   3
   4 """
   5 This utilty generate json output to post comment in gerrit.
   6
   7 INPUT: output of checkpatch.pl.
   8 OUTPUT: json format output that can be used to post comment in gerrit
   9 """
  10 import os
  11 import sys
  12 import json
  13
  14 data = {}
  15 data['comments'] = []
  16 list_temp = {}
  17
  18 def update_struct( file_path, msg_output, line_number):
  19     if file_path not in list_temp:
  20         list_temp[file_path] = []
  21     list_temp[file_path].append({
  22         "line" : line_number,
  23         "message" : msg_output,}
  24     )
  25
  26 def parse_file(input_file):
  27     fp = open (input_file, "r")
  28     for line in fp:
  29         if line.startswith("ERROR:"):
  30             msg_output = line.split("ERROR:")[1].strip()
  31         elif line.startswith("WARNING:"):
  32             msg_output = line.split("WARNING:")[1].strip()
  33         elif ": FILE:" in line:
  34             temp = line.split("FILE:")
  35             file_path = temp[1].split(":")[0]
  36             line_number = temp[1].split(":")[1]
  37             update_struct( file_path.strip(), msg_output, str(line_number)  )
  38         else:
  39             continue
  40     fp.close()
  41
  42 def main():
  43     if (len(sys.argv) < 3) or (sys.argv[1] == "-h"):
  44         print("HELP:")
  45         print(sys.argv[0] + " <input file> <output file in json>")
  46         sys.exit()
  47
  48     print(sys.argv[1])
  49     parse_file(sys.argv[1])
  50     data['comments'] = list_temp
  51     print(json.dumps(data))
  52     out_file = open( sys.argv[2] , "w")
  53     json.dump(data, out_file, sort_keys=True, indent=4)
  54     out_file.close()
  55
  56 if __name__ == "__main__":
  57     main()