tools/cleancrcmap.py

   1 #!/usr/bin/env python3
   2
   3 import sys
   4 import os
   5 import glob
   6
   7 if len(sys.argv) < 4:
   8     print("usage: cleancrcmap <in_map> <out_map> <searchdir>")
   9     sys.exit(1)
  10
  11 # load and check the old map
  12 searchpath = sys.argv[3]
  13 inmap = list()
  14 with open(sys.argv[1], 'r') as f:
  15     for line in f:
  16         line = line.strip()
  17         if line == '' or line[0] == '#':
  18             continue
  19         tok = line.split(',')
  20         crcstr = tok[0].strip()
  21         if crcstr.startswith('0x'):
  22             crc = int(crcstr[2:], 16)
  23         else:
  24             crc = int(crcstr)
  25         tok[1] = tok[1].strip()
  26         [fname, fext] = os.path.splitext(tok[1])
  27         [fname, ffmt] = os.path.splitext(fname)
  28         fname = fname + ffmt[:-1] + '*'
  29         matches = glob.glob(os.path.join(searchpath, fname))
  30         if len(matches) == 0:
  31             print("warning: texture '{0}' does not match anything in '{1}'".format(fname, searchpath))
  32         else:
  33             for s in matches:
  34                 tup = (crc, os.path.relpath(s, searchpath))
  35                 if not (tup in inmap):
  36                     inmap.append(tup)
  37
  38 # save cleaned up version to the new one
  39 with open(sys.argv[2], 'w') as f:
  40     for (crc, fpath) in inmap:
  41         f.write("0x{0:08x}, {1}\n".format(crc, fpath))
  42