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-rw-r--r--meta/lib/oe/utils.py31
1 files changed, 31 insertions, 0 deletions
diff --git a/meta/lib/oe/utils.py b/meta/lib/oe/utils.py
index 9a2187e36f..a84039f585 100644
--- a/meta/lib/oe/utils.py
+++ b/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