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Diffstat (limited to 'poky/meta/lib/oe/utils.py')
-rw-r--r-- | poky/meta/lib/oe/utils.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/poky/meta/lib/oe/utils.py b/poky/meta/lib/oe/utils.py index 9a2187e36f..a84039f585 100644 --- a/poky/meta/lib/oe/utils.py +++ b/poky/meta/lib/oe/utils.py @@ -536,3 +536,34 @@ class ImageQAFailed(Exception): def sh_quote(string): import shlex return shlex.quote(string) + +def directory_size(root, blocksize=4096): + """ + Calculate the size of the directory, taking into account hard links, + rounding up every size to multiples of the blocksize. + """ + def roundup(size): + """ + Round the size up to the nearest multiple of the block size. + """ + import math + return math.ceil(size / blocksize) * blocksize + + def getsize(filename): + """ + Get the size of the filename, not following symlinks, taking into + account hard links. + """ + stat = os.lstat(filename) + if stat.st_ino not in inodes: + inodes.add(stat.st_ino) + return stat.st_size + else: + return 0 + + inodes = set() + total = 0 + for root, dirs, files in os.walk(root): + total += sum(roundup(getsize(os.path.join(root, name))) for name in files) + total += roundup(getsize(root)) + return total |