find windows links (aka junctions)

findlinks.py

import os
import sys
import win32file
import win32con

def islink(p):
#    return os.path.islink(p)
    fattr = win32file.GetFileAttributes(p)
    isWinJunction = fattr & win32con.FILE_ATTRIBUTE_REPARSE_POINT
    if isWinJunction > 0:
        return True
    else:
        return False

def findlink(dirsOnly, dirname, names):
#    print >> sys.stderr, 'findlink({0}, {1}, {2})'.format(dirsOnly, dirname, names)
    for n in names:
        p = os.path.join(dirname, n)
        if dirsOnly:
            if os.path.isdir(p) and islink(p):
                print >> sys.stdout, 'link: {0}'.format(p)
        else: # not dirsOnly
            if islink(p):
                print >> sys.stdout, 'link: {0}'.format(p)
            else:
#                print >> sys.stdout, 'nolk: {0}'.format(p)
                pass

def findlinks(dirname, dirsOnly):
    print >> sys.stderr, "finding links in {0}".format(dirname)
    os.path.walk(dirname, findlink, dirsOnly)

if __name__ == "__main__":
    if len(sys.argv) < 2:
        print >> sys.stderr, 'usage: python findlinks.py dir'
        sys.exit(-1)

    dir = sys.argv[1]

    findlinks(dir, dirsOnly=True)