ceph/src/spdk/scripts/genconfig.py

   1 #!/usr/bin/env python3
   2
   3 import os
   4 import re
   5 import sys
   6
   7 comment = re.compile(r'^\s*#')
   8 assign = re.compile(r'^\s*([a-zA-Z0-9_]+)\s*(\?)?=\s*([^#]*)')
   9
  10 args = os.environ.copy()
  11 for arg in sys.argv:
  12     m = assign.match(arg)
  13     if m:
  14         var = m.group(1).strip()
  15         val = m.group(3).strip()
  16         args[var] = val
  17
  18 defs = {}
  19 try:
  20     with open("mk/config.mk") as f:
  21         for line in f:
  22             line = line.strip()
  23             if not comment.match(line):
  24                 m = assign.match(line)
  25                 if m:
  26                     var = m.group(1).strip()
  27                     default = m.group(3).strip()
  28                     val = default
  29                     if var in args:
  30                         val = args[var]
  31                     if default.lower() == 'y' or default.lower() == 'n':
  32                         if val.lower() == 'y':
  33                             defs["SPDK_{0}".format(var)] = 1
  34                         else:
  35                             defs["SPDK_{0}".format(var)] = 0
  36                     else:
  37                         strval = val.replace('"', '\"')
  38                         defs["SPDK_{0}".format(var)] = strval
  39 except IOError:
  40     print("mk/config.mk not found")
  41
  42 for key, value in sorted(defs.items()):
  43     if value == 0:
  44         print("#undef {0}".format(key))
  45     else:
  46         print("#define {0} {1}".format(key, value))