"""Recursively copy a directory but skip undesired files and

directories (CVS, backup files, pyc files, etc)"""

import sys

import os

import shutil

verbose = 1

debug = 0

def isclean(name):

    if name == 'CVS': return 0

    if name == '.cvsignore': return 0

    if name == '.DS_store': return 0

    if name == '.svn': return 0

    if name.endswith('~'): return 0

    if name.endswith('.BAK'): return 0

    if name.endswith('.pyc'): return 0

    if name.endswith('.pyo'): return 0

    if name.endswith('.orig'): return 0

    return 1

def copycleandir(src, dst):

    for cursrc, dirs, files in os.walk(src):

        assert cursrc.startswith(src)

        curdst = dst + cursrc[len(src):]

        if verbose:

            print "mkdir", curdst

        if not debug:

            if not os.path.exists(curdst):

                os.makedirs(curdst)

        for fn in files:

            if isclean(fn):

                if verbose:

                    print "copy", os.path.join(cursrc, fn), os.path.join(curdst, fn)

                if not debug:

                    shutil.copy2(os.path.join(cursrc, fn), os.path.join(curdst, fn))

            else:

                if verbose:

                    print "skipfile", os.path.join(cursrc, fn)

        for i in range(len(dirs)-1, -1, -1):

            if not isclean(dirs[i]):

                if verbose:

                    print "skipdir", os.path.join(cursrc, dirs[i])

                del dirs[i]

def main():

    if len(sys.argv) != 3:

        sys.stderr.write("Usage: %s srcdir dstdir\n" % sys.argv[0])

        sys.exit(1)

    copycleandir(sys.argv[1], sys.argv[2])

if __name__ == '__main__':

    main()