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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def activate(self, path, isdirectory):
 """ Set up a boto connection. """

        from .utils import connection_with_anon, connection_with_gs

        parsed = BotoClient.parse_query(path)

        scheme = parsed[0]
        bucket_name = parsed[1]
        key = parsed[2]

        if scheme == 's3' or scheme == 's3n':
            conn = connection_with_anon(self.credentials)
            bucket = conn.get_bucket(bucket_name)
        elif scheme == 'gs':
            conn = connection_with_gs(bucket_name)
            bucket = conn.get_bucket()
        else:
            raise NotImplementedError("No file reader implementation for URL scheme " + scheme)

        if isdirectory and (not key.endswith("/")):
            key += "/"

        self._scheme = scheme
        self._conn = conn
        self._key = key
        self._bucket = bucket
        self._active = True