Adam Carter

As I’ve mentioned before, I use Microsoft’s Windows Home Server as my home’s central data store. Recently, I upgraded from the trial to the full version. Since I was going to upgrade the installation, I figured that I might as well (slightly) upgrade the server itself. As such, I wanted to copy off the data from the hard drives before doing a format & reinstall of WHS. To do so, I accessed the “hidden” DE folder located on each of my WHS hard drives and copied the data to my local machine. When the data was transferred, I formatted the drive and re-added it to my new WHS install. However, when I started to transfer the data back, I noticed that many folders were scattered across multiple hard drives. Rather than manually merging the folders back together, I decided to write this simple Python script:

import os
import shutil
sourcePath = r'E:\120gb\data\DE\shares\Music'
destPath = 'Z:'
for root, dirs, files in os.walk(sourcePath):

    #figure out where we're going
    dest = destPath + root.replace(sourcePath, '')

    #if we're in a directory that doesn't exist in the destination folder
    #then create a new folder
    if not os.path.isdir(dest):
        os.mkdir(dest)
        print 'Directory created at: ' + dest

    #loop through all files in the directory
    for f in files:

        #compute current (old) & new file locations
        oldLoc = root + '\\' + f
        newLoc = dest + '\\' + f

        if not os.path.isfile(newLoc):
            try:
                shutil.copy2(oldLoc, newLoc)
                print 'File ' + f + ' copied.'
            except IOError:
                print 'file "' + f + '" already exists'

–Adam

Filed under:
Programming, Tips by acarter