#!/usr/bin/env python
"""
Return disk usage statistics about the given path as a (total, used, free)
namedtuple. Values are expressed in bytes.
"""
# Author: Giampaolo Rodola' <g.rodola [AT] gmail [DOT] com>
# License: MIT
import os
import collections
_ntuple_diskusage = collections.namedtuple('usage', 'total used free')
if hasattr(os, 'statvfs'): # POSIX
def disk_usage(path):
st = os.statvfs(path)
free = st.f_bavail * st.f_frsize
total = st.f_blocks * st.f_frsize
used = (st.f_blocks - st.f_bfree) * st.f_frsize
return _ntuple_diskusage(total, used, free)
elif os.name == 'nt': # Windows
def disk_usage(path):
from ctypes import c_ulong, byref, windll, WinError
_, total, free = c_ulong(), c_ulong(), c_ulong()
ret = windll.kernel32.GetDiskFreeSpaceExA(path, byref(_), byref(total),
byref(free))
if ret == 0:
raise WinError()
used = total.value - free.value
return _ntuple_diskusage(total.value, used, free.value)
else:
raise NotImplementedError("platform not supported")
disk_usage.__doc__ = __doc__
if __name__ == '__main__':
print disk_usage(os.getcwd())
