Commit 3f6a47a8 authored by Michael Hanselmann's avatar Michael Hanselmann
Browse files

utils: Add functions to calc directory size and free space on filesystem

These will be used by the new storage unit framework.
Signed-off-by: default avatarMichael Hanselmann <>
Reviewed-by: default avatarIustin Pop <>
Reviewed-by: default avatarGuido Trotter <>
parent 4f366caf
......@@ -1847,6 +1847,51 @@ def CommaJoin(names):
return ", ".join(["'%s'" % val for val in names])
def BytesToMebibyte(value):
"""Converts bytes to mebibytes.
@type value: int
@param value: Value in bytes
@rtype: int
@return: Value in mebibytes
return int(round(value / (1024.0 * 1024.0), 0))
def CalculateDirectorySize(path):
"""Calculates the size of a directory recursively.
@type path: string
@param path: Path to directory
@rtype: int
@return: Size in mebibytes
size = 0
for (curpath, _, files) in os.walk(path):
for file in files:
st = os.lstat(os.path.join(curpath, file))
size += st.st_size
return BytesToMebibyte(size)
def GetFreeFilesystemSpace(path):
"""Returns the free space on a filesystem.
@type path: string
@param path: Path on filesystem to be examined
@rtype: int
@return: Free space in mebibytes
st = os.statvfs(path)
return BytesToMebibyte(st.f_bavail * st.f_frsize)
def LockedMethod(fn):
"""Synchronized object access decorator.
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