os.fchdir(fd) Change the current working directory to the directory represented by the file descriptor fd. The descriptor must refer to an opened directory, not an open file. As of Python 3.3, this is equivalent to os.chdir(fd). Availability: Unix.

ProxyBasicAuthHandler.http_error_407(req, fp, code, msg, hdrs) Retry the request with authentication information, if available.

NodeList.item(i) Return the i‘th item from the sequence, if there is one, or None. The index i is not allowed to be less than zero or greater than or equal to the length of the sequence.

ST.tolist(line_info=False, col_info=False) Same as st2list(st, line_info, col_info).

POP3.list([which]) Request message list, result is in the form (response, ['mesg_num octets', ...], octets). If which is set, it is the message to list.

Logger.findCaller(stack_info=False) Finds the caller’s source filename and line number. Returns the filename, line number, function name and stack information as a 4-element tuple. The stack information is returned as None unless stack_info is True.

has_section(section) Indicates whether the named section is present in the configuration. The default section is not acknowledged.

class multiprocessing.JoinableQueue([maxsize]) JoinableQueue, a Queue subclass, is a queue which additionally has task_done() and join() methods. task_done() Indicate that a formerly enqueued task is complete. Used by queue consumers. For each get() used to fetch a task, a subsequent call to task_done() tells the queue that the processing on the task is complete. If a join() is currently blocking, it will resume when all items have been processed (meaning that a task_done() call was recei

mapping(event, attribute) Make an entry into the EventMapping table for this control.

fail(msg=None) Signals a test failure unconditionally, with msg or None for the error message.