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import os
def tryOpen(filename):
try:
procFile = open(filename)
except IOError:
return ""
return procFile
class Harddisk:
def __init__(self, index):
self.index = index
host = self.index / 4
bus = (self.index & 2)
target = (self.index & 1)
#perhaps this is easier?
self.prochdx = "/proc/ide/hd" + ("a","b","c","d","e","f","g","h")[index] + "/"
self.devidex = "/dev/ide/host" + str(host) + "/bus" + str(bus) + "/target" + str(target) + "/lun0/"
def capacity(self):
procfile = tryOpen(self.prochdx + "capacity")
if procfile == "":
return -1
line = procfile.readline()
procfile.close()
try:
cap = int(line)
except:
return -1
return cap
def model(self):
procfile = tryOpen(self.prochdx + "model")
if procfile == "":
return ""
line = procfile.readline()
procfile.close()
return line
def free(self):
procfile = tryOpen("/proc/mounts")
if procfile == "":
return -1
free = -1
while 1:
line = procfile.readline()
if line == "":
break
if line.startswith(self.devidex):
parts = line.strip().split(" ")
try:
stat = os.statvfs(parts[1])
except OSError:
continue
free = stat.f_bfree/1000 * stat.f_bsize/1000
break
procfile.close()
return free
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