b.t.stub_sftp : module documentation

A stub SFTP server for loopback SFTP testing. Adapted from the one in paramiko's unit tests.

Class	StubServer	Undocumented
Class	StubSFTPHandle	Undocumented
Class	StubSFTPServer	Undocumented
Class	SocketDelay	A socket decorator to make TCP appear slower.
Class	TestingSFTPConnectionHandler	Undocumented
Class	TestingSFTPWithoutSSHConnectionHandler	Undocumented
Class	TestingSFTPServer	Undocumented
Class	SFTPServer	Common code for SFTP server facilities.
Class	SFTPFullAbsoluteServer	A test server for sftp transports, using absolute urls and ssh.
Class	SFTPServerWithoutSSH	An SFTP server that uses a simple TCP socket pair rather than SSH.
Class	SFTPAbsoluteServer	A test server for sftp transports, using absolute urls.
Class	SFTPHomeDirServer	A test server for sftp transports, using homedir relative urls.
Class	SFTPSiblingAbsoluteServer	A test server for sftp transports where only absolute paths will work.