Get a directory recursively from the salt-master

def get_dir(self, path, dest='', saltenv='base', gzip=None,
                cachedir=None):
        '''
        Get a directory recursively from the salt-master
        '''
        ret = []
        # Strip trailing slash
        path = self._check_proto(path).rstrip('/')
        # Break up the path into a list containing the bottom-level directory
        # (the one being recursively copied) and the directories preceding it
        separated = path.rsplit('/', 1)
        if len(separated) != 2:
            # No slashes in path. (This means all files in saltenv will be
            # copied)
            prefix = ''
        else:
            prefix = separated[0]

        # Copy files from master
        for fn_ in self.file_list(saltenv, prefix=path):
            # Prevent files in "salt://foobar/" (or salt://foo.sh) from
            # matching a path of "salt://foo"
            try:
                if fn_[len(path)] != '/':
                    continue
            except IndexError:
                continue
            # Remove the leading directories from path to derive
            # the relative path on the minion.
            minion_relpath = fn_[len(prefix):].lstrip('/')
            ret.append(
               self.get_file(
                  salt.utils.url.create(fn_),
                  '{0}/{1}'.format(dest, minion_relpath),
                  True, saltenv, gzip
               )
            )
        # Replicate empty dirs from master
        try:
            for fn_ in self.file_list_emptydirs(saltenv, prefix=path):
                # Prevent an empty dir "salt://foobar/" from matching a path of
                # "salt://foo"
                try:
                    if fn_[len(path)] != '/':
                        continue
                except IndexError:
                    continue
                # Remove the leading directories from path to derive
                # the relative path on the minion.
                minion_relpath = fn_[len(prefix):].lstrip('/')
                minion_mkdir = '{0}/{1}'.format(dest, minion_relpath)
                if not os.path.isdir(minion_mkdir):
                    os.makedirs(minion_mkdir)
                ret.append(minion_mkdir)
        except TypeError:
            pass
        ret.sort()
        return ret