spiroserver.SpiroSession

Module spiroserver :: Class SpiroSession

[show private | hide private]

Class SpiroSession

BaseRequestHandler --+    
                     |    
  StreamRequestHandler --+
                         |
                        SpiroSession

Manages a single client session, over a TCP socket connection from the client.

When a client connects to the SPIRO server, the SpiroServer object creates an instance of this class, and invokes its handle method. See handle.

Note that if a client terminates its connection to the server, the server will destroy all current connections initiated by that client

Connection is persistent

Method Summary
	`allocId(self)` Allocates a unique id
	`dir(self)` List of symbols in interp dict
	`do(self, stmts)` Executes one or more arbitarary statements.
	`doimport(self, modname, attr)` Performs an import
	`executeRequest(self, req)` Given a request (a dict), does what's needed
	`getRequest(self)` Reads a client req - size data - a pickled dict
	`handle(self)` Runs the whole client session, receiving commands from the client, executing them locally, and sending back results as appropriate
	`pickleIfPossible(self, obj)` if object is non-mutable (hashable), try to pickle it and return the pickle.
	`readbytes(self, n)` Guaranteed read of n bytes from client
	`sendCallback(self, callbackId, args, kw)` Send a callback req to the client, and await result
	`sendException(self, exc, reply, **kw)` Sends an exception back to client
	`sendReply(self, reply, **kw)` Sends reply back to client.
Inherited from StreamRequestHandler
	`finish(self)`
	`setup(self)`
Inherited from BaseRequestHandler
	`__init__(self, request, client_address, server)`

Class Variable Summary
Inherited from StreamRequestHandler
`int`	`rbufsize` = -1
`int`	`wbufsize` = 0

Method Details

allocId(self)

Allocates a unique id

dir(self)

List of symbols in interp dict

do(self, stmts)

Executes one or more arbitarary statements.

Arguments:

stmts - a string containing one or more newline-separated statements

doimport(self, modname, attr=None)

Performs an import

executeRequest(self, req)

Given a request (a dict), does what's needed

getRequest(self)

Reads a client req - size data - a pickled dict

handle(self)

Runs the whole client session, receiving commands from the client, executing them locally, and sending back results as appropriate

Overrides:: SocketServer.BaseRequestHandler.handle

pickleIfPossible(self, obj)

if object is non-mutable (hashable), try to pickle it and return the pickle.

Otherwise, return None

readbytes(self, n)

Guaranteed read of n bytes from client

sendCallback(self, callbackId, args, kw)

Send a callback req to the client, and await result

sendException(self, exc, reply=None, **kw)

Sends an exception back to client

Reply can be passed as a dict argument, or as keywords

sendReply(self, reply=None, **kw)

Sends reply back to client.

Reply can be passed as a dict argument, or as keywords

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