http.py 文件源码

def __init__(self, callback=None, batch_uri=None):
    """Constructor for a BatchHttpRequest.

    Args:
      callback: callable, A callback to be called for each response, of the
        form callback(id, response, exception). The first parameter is the
        request id, and the second is the deserialized response object. The
        third is an googleapiclient.errors.HttpError exception object if an HTTP error
        occurred while processing the request, or None if no error occurred.
      batch_uri: string, URI to send batch requests to.
    """
    if batch_uri is None:
      batch_uri = 'https://www.googleapis.com/batch'
    self._batch_uri = batch_uri

    # Global callback to be called for each individual response in the batch.
    self._callback = callback

    # A map from id to request.
    self._requests = {}

    # A map from id to callback.
    self._callbacks = {}

    # List of request ids, in the order in which they were added.
    self._order = []

    # The last auto generated id.
    self._last_auto_id = 0

    # Unique ID on which to base the Content-ID headers.
    self._base_id = None

    # A map from request id to (httplib2.Response, content) response pairs
    self._responses = {}

    # A map of id(Credentials) that have been refreshed.
    self._refreshed_credentials = {}