__init__.py 文件源码

def _save_file(self, path, content, format):
        """Uploads content of a generic file to GCS.
        :param: path blob path.
        :param: content file contents string.
        :param: format the description of the input format, can be either
                "text" or "base64".
        :return: created :class:`google.cloud.storage.Blob`.
        """
        bucket_name, bucket_path = self._parse_path(path)
        bucket = self._get_bucket(bucket_name, throw=True)

        if format not in {"text", "base64"}:
            raise web.HTTPError(
                400,
                u"Must specify format of file contents as \"text\" or "
                u"\"base64\"",
            )
        try:
            if format == "text":
                bcontent = content.encode("utf8")
            else:
                b64_bytes = content.encode("ascii")
                bcontent = base64.decodebytes(b64_bytes)
        except Exception as e:
            raise web.HTTPError(
                400, u"Encoding error saving %s: %s" % (path, e)
            )
        blob = bucket.blob(bucket_path)
        blob.upload_from_string(bcontent)
        return blob