anonymize.py

import os
import re
import stat
import sys 

if sys.version_info < (3, 1): 
    sys.stderr.write("Python 3.1+ required. Sorry.")
    sys.exit(0)

READ_WRITE = re.compile(b"svn\+ssh://pythondev@svn\.python\.org")
ANONYMOUS = b"http://svn.python.org/projects"

def change_entries(directory):
    entries_file = os.path.join(directory, 'entries') 
    print(entries_file)
    if os.path.isfile(entries_file):
        with open(entries_file, "br") as old_entries:
            entries = old_entries.read()
        os.chmod(entries_file, stat.S_IREAD | stat.S_IWRITE |
                               stat.S_IRGRP | stat.S_IROTH)
        with open(entries_file, "bw") as new_entries:
            entries = READ_WRITE.sub(ANONYMOUS, entries)
            new_entries.write(entries)
        os.chmod(entries_file, stat.S_IREAD | stat.S_IRGRP |
                               stat.S_IROTH)

def walk(directory):
    for d in os.listdir(directory):
        full_path = os.path.join(directory, d)
        if os.path.isdir(full_path):
            if d.lower() in ('.svn', '_svn'):
                change_entries(full_path)
            walk(full_path)

if __name__ == '__main__':
    walk('.')