link_images.py

   1 #!/usr/bin/python
   2
   3 import os, sys
   4 import struct
   5 import os, sys, re
   6
   7 from sparrow import FRAME_STRUCTURE, INDEX_FILE, TEXT_INDEX_FILE
   8 from sparrow import save_frames, save_frames_text, Frame, link_frames
   9
  10 #            f.write(struct.pack('II48s8I',
  11 #                                frame.glob_index,
  12 #                                frame.jpeg_len,
  13 #                                frame.summary,
  14 #                                *frame.successors
  15 #                                ))
  16
  17
  18 def load_frames(filename):
  19     f = open(filename)
  20     structlen = struct.calcsize(FRAME_STRUCTURE)
  21     frames = []
  22     for i in count():
  23         s = f.read(structlen)
  24         if not s:
  25             break
  26         frame = Frame(s)
  27         frame.index = i
  28         frames.append(frame)
  29
  30     return frames
  31
  32
  33
  34 frames = link_frames(load_frames(INDEX_FILE))
  35
  36 save_frames(frames, INDEX_FILE + '-new')
  37 save_frames_text(frames, TEXT_INDEX_FILE + '-new')