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did some code commenting in df_check

This commit is contained in:
David 2012-05-15 22:53:08 +02:00
parent 1fc755d8a3
commit 178b04fbf2
1 changed files with 15 additions and 12 deletions
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27
df_check.py
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@ -1,9 +1,10 @@
#!/usr/bin/python2 #!/usr/bin/python2
# import os for statvfs
import os import os
#fileoperations #reading needed files
file = open("/proc/partitions", "r") file = open("/proc/partitions", "r")
parts = file.read() parts = file.read()
file.close() file.close()
@ -11,11 +12,10 @@ file = open("/proc/mounts", "r")
mounts = file.read() mounts = file.read()
file.close() file.close()
#definitions
partitions = [] partitions = []
blocks = [] blocks = []
# getting all local partitions (regardless if mounted or not) # getting all local partitions (regardless if mounted or not)
# and blocks from /proc/partitions and write it to lists
for line in parts.split("\n"): for line in parts.split("\n"):
if line and "name" not in line and "sr0" not in line: if line and "name" not in line and "sr0" not in line:
if line.split()[2] != "1": if line.split()[2] != "1":
@ -29,6 +29,8 @@ blockcount = 0
counter = 0 counter = 0
partsnew = [] partsnew = []
blocksnew = [] blocksnew = []
# detect disk like /dev/sda itself and
# filter it from partitions and blocks list
for part in partitions: for part in partitions:
if hold in part: if hold in part:
blockcount = blockcount + int(blocks[counter]) blockcount = blockcount + int(blocks[counter])
@ -40,11 +42,14 @@ for part in partitions:
blockcount = 0 blockcount = 0
counter += 1 counter += 1
# moving back to old var name
# too lazy to rename everything below
partitions = partsnew partitions = partsnew
blocks = blocksnew blocks = blocksnew
#getting mountpoints to devices # getting mounted partitions and their mountpoints
mountpoints = [] mountpoints = []
for item in partitions: for item in partitions:
for line in mounts.split("\n"): for line in mounts.split("\n"):
@ -52,31 +57,29 @@ for item in partitions:
mountpoints.append(line.split()[1]) mountpoints.append(line.split()[1])
break break
# output for debugging
print "partitions: %s\nblocks: %s\nmountpoints: %s" %(partitions, blocks, mountpoints) print "partitions: %s\nblocks: %s\nmountpoints: %s" %(partitions, blocks, mountpoints)
print "\n"
# given paths(mountpoints) # given paths(mountpoints)
#path=("/boot", "/", "/dev/sda6") #path=("/boot", "/", "/dev/sda6")
path = mountpoints path = mountpoints
#output head
print "mountpoints\tfree megabytes" print "mountpoints\tfree megabytes"
print "------------------------------" print "------------------------------"
#work path tuple # getting usage information and print it to stdout
for mountpoint in path: for mountpoint in path:
#check if given path is a mountpoint #check if given path is a mountpoint
# if os.path.ismount(mountpoint): if os.path.ismount(mountpoint):
#create statvfs object #create statvfs object
fs = os.statvfs(mountpoint) fs = os.statvfs(mountpoint)
#calculate free megabytes #calculate free megabytes
freembytes = fs.f_bavail * fs.f_bsize / 1024**2.0 freembytes = fs.f_bavail * fs.f_bsize / 1024**2.0
#output #output
print "%s\t\t%.1f MB" %(mountpoint, freembytes) print "%s\t\t%.1f MB" %(mountpoint, freembytes)
# else: else:
# print "error: given path is not a mountpoint" print "error: given path (%s) is not a mountpoint" %(mountpoint)
# end of file # end of file