sessions.py 文件源码

def save():
    """Save any changed session data."""

    if not hasattr(cherrypy.serving, 'session'):
        return
    request = cherrypy.serving.request
    response = cherrypy.serving.response

    # Guard against running twice
    if hasattr(request, '_sessionsaved'):
        return
    request._sessionsaved = True

    if response.stream:
        # If the body is being streamed, we have to save the data
        #   *after* the response has been written out
        request.hooks.attach('on_end_request', cherrypy.session.save)
    else:
        # If the body is not being streamed, we save the data now
        # (so we can release the lock).
        if is_iterator(response.body):
            response.collapse_body()
        cherrypy.session.save()