def traverse_for_mtime(directory, seen_already, directory_to_skip = None, relative_directory = None):
directory = os.path.realpath(directory)
for entry in os.listdir(directory):
if entry.startswith('.'):
continue
entry_src = os.path.join(directory, entry)
if os.path.isdir(entry_src):
if not directory_to_skip == None and (entry == directory_to_skip or entry.endswith("{0}{1}".format(os.path.sep, directory_to_skip))):
continue
seen_already = traverse_for_mtime(entry_src, seen_already, directory_to_skip, relative_directory)
else:
f = File(entry, entry_src, os.stat(entry_src).st_mtime)
if relative_directory == None:
seen_already[entry] = f
else:
relative_path = f.relative_path(relative_directory)
seen_already[relative_path] = f
return seen_already
