[Python] Python - progress bar for copying and moving files

I create a program which copy and move file to different direction. I was thinking that it would be interesting to add a progress bar to a whole process. How i should approach to it?

My script do a few more thinks:

Sort files with no .mdi file to a folder "missing mdi"

I used distutils.dir_util.copy_tree because shutil.copytree had problem with acces

src = raw_input("Enter source disk location: ")
src = os.path.abspath(src)
dst = raw_input("Enter first destination : ")
dst = os.path.abspath(dst)
dest = raw_input("Enter second destination : ")
dest = os.path.abspath(dest)

for dir, dirs, files in os.walk(src):
if any(f.endswith('.mdi') for f in files):
dirs[:] = [] # do not recurse into subdirectories
continue # ignore this directory

# do something with the files here, there are no .txt files.
files = [os.path.join(dir, f) for f in files]
print "files -->", files

for list in files:


print "list --->", list
#---------parameters-------------------#
part1 = os.path.dirname(list)
print "part1" ,part1
part2 = os.path.dirname(os.path.dirname(part1))
print "part2" ,part2
part3 = os.path.split(part1)[1]
print "part 3 ->",part3
path_miss1 = os.path.join(dst, "missing_mdi")
print "path_miss1", path_miss1
#---------first location-------------------#
path_miss = os.path.join(path_miss1, part3)
print "path_miss", path_miss
#---------second location-------------------#
path_missing = os.path.join(dest, "missing_mdi")
print "path_missing", path_missing


try:
#---------first location-------------------#
if not os.path.exists(path_miss):
os.makedirs(path_miss)
else:
pass

if os.path.exists(path_miss):
distutils.dir_util.copy_tree(part1,path_miss)
else:
print "missing_file"

if(get_size(path_miss)) == 0:
os.rmdir(path_miss)
else:
pass

#---------second location-------------------#
if not os.path.exists(path_missing):
os.makedirs(path_missing)
else:
pass

if os.path.exists(path_missing):
shutil.move(part1,path_missing)
else:
print "missing_file"

if(get_size(path_missing)) == 0:
os.rmdir(path_missing)
else:
pass

except Exception, l:
print "l --->",str ( l )

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