Rev 3019 | Rev 3028 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3019 | Rev 3021 | ||
|---|---|---|---|
| Line 32... | Line 32... | ||
| 32 | 32 | ||
| 33 | import sys |
33 | import sys |
| 34 | import os |
34 | import os |
| 35 | import struct |
35 | import struct |
| 36 | 36 | ||
| - | 37 | def align_up(size, alignment): |
|
| - | 38 | return (((size) + ((alignment) - 1)) & ~((alignment) - 1)) |
|
| - | 39 | ||
| 37 | def usage(prname): |
40 | def usage(prname): |
| 38 | "Print usage syntax" |
41 | "Print usage syntax" |
| 39 | print prname + " <PATH> <IMAGE>" |
42 | print prname + " <ALIGNMENT> <PATH> <IMAGE>" |
| 40 | 43 | ||
| 41 | def main(): |
44 | def main(): |
| 42 | if (len(sys.argv) < 3): |
45 | if (len(sys.argv) < 4): |
| 43 | usage(sys.argv[0]) |
46 | usage(sys.argv[0]) |
| 44 | return |
47 | return |
| 45 | 48 | ||
| - | 49 | if (not sys.argv[1].isdigit()): |
|
| - | 50 | print "<ALIGNMENT> must be a number" |
|
| - | 51 | return |
|
| - | 52 | ||
| - | 53 | align = int(sys.argv[1], 0) |
|
| 46 | path = os.path.abspath(sys.argv[1]); |
54 | path = os.path.abspath(sys.argv[2]) |
| 47 | if (not os.path.isdir(path)): |
55 | if (not os.path.isdir(path)): |
| 48 | print "<PATH> must be a directory" |
56 | print "<PATH> must be a directory" |
| 49 | return |
57 | return |
| 50 | 58 | ||
| 51 | header_size = 18 |
59 | header_size = align_up(18, align) |
| 52 | payload_size = 0 |
60 | payload_size = 0 |
| 53 | outf = file(sys.argv[2], "w") |
61 | outf = file(sys.argv[3], "w") |
| 54 | outf.write(struct.pack("<" + ("%d" % header_size) + "x")) |
62 | outf.write(struct.pack("<" + ("%d" % header_size) + "x")) |
| 55 | 63 | ||
| 56 | for root, dirs, files in os.walk(path): |
64 | for root, dirs, files in os.walk(path): |
| 57 | relpath = root[len(path):len(root)] |
65 | relpath = root[len(path):len(root)] |
| 58 | for name in files: |
66 | for name in files: |
| Line 77... | Line 85... | ||
| 77 | for name in dirs: |
85 | for name in dirs: |
| 78 | canon = os.path.join(relpath, name) |
86 | canon = os.path.join(relpath, name) |
| 79 | outf.write(struct.pack("<BL" + ("%d" % len(canon)) + "s", 2, len(canon), canon)) |
87 | outf.write(struct.pack("<BL" + ("%d" % len(canon)) + "s", 2, len(canon), canon)) |
| 80 | payload_size += 5 + len(canon) |
88 | payload_size += 5 + len(canon) |
| 81 | 89 | ||
| - | 90 | aligned_size = align_up(payload_size, align) |
|
| - | 91 | ||
| - | 92 | if (aligned_size - payload_size > 0): |
|
| - | 93 | outf.write(struct.pack("<" + ("%d" % (aligned_size - payload_size)) + "x")) |
|
| - | 94 | ||
| 82 | outf.seek(0) |
95 | outf.seek(0) |
| 83 | outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, payload_size)) |
96 | outf.write(struct.pack("<4sBBLQ", "HORD", 1, 1, header_size, aligned_size)) |
| 84 | outf.close() |
97 | outf.close() |
| 85 | 98 | ||
| 86 | if __name__ == '__main__': |
99 | if __name__ == '__main__': |
| 87 | main() |
100 | main() |