FM / idlelib

/usr/lib/python2.6/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
aboutDialog.py	6825	0644	edit dl rm
aboutDialog.pyc	6937	0644	edit dl rm
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AutoComplete.py	9061	0644	edit dl rm
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Bindings.py	3502	0644	edit dl rm
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CallTipWindow.py	5924	0644	edit dl rm
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ChangeLog	56393	0644	edit dl rm
ClassBrowser.py	6369	0644	edit dl rm
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CodeContext.py	8347	0644	edit dl rm
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config-extensions.def	2697	0644	edit dl rm
config-highlight.def	1740	0644	edit dl rm
config-keys.def	7517	0644	edit dl rm
config-main.def	2512	0644	edit dl rm
configDialog.py	53229	0644	edit dl rm
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configDialog.pyo	44828	0644	edit dl rm
configHandler.py	28803	0644	edit dl rm
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configHelpSourceEdit.py	6680	0644	edit dl rm
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configHelpSourceEdit.pyo	6731	0644	edit dl rm
configSectionNameDialog.py	3720	0644	edit dl rm
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configSectionNameDialog.pyo	4305	0644	edit dl rm
CREDITS.txt	1856	0644	edit dl rm
Debugger.py	15818	0644	edit dl rm
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Delegator.py	831	0644	edit dl rm
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dynOptionMenuWidget.py	1302	0644	edit dl rm
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EditorWindow.py	59734	0644	edit dl rm
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EditorWindow.pyo	52666	0644	edit dl rm
extend.txt	3652	0644	edit dl rm
FileList.py	3660	0644	edit dl rm
FileList.pyc	3988	0644	edit dl rm
FileList.pyo	3953	0644	edit dl rm
FormatParagraph.py	5734	0644	edit dl rm
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GrepDialog.py	4052	0644	edit dl rm
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GrepDialog.pyo	5037	0644	edit dl rm
help.txt	11223	0644	edit dl rm
HISTORY.txt	10317	0644	edit dl rm
HyperParser.py	10310	0644	edit dl rm
HyperParser.pyc	6620	0644	edit dl rm
HyperParser.pyo	6620	0644	edit dl rm
idle.py	664	0644	edit dl rm
idle.pyc	594	0644	edit dl rm
idle.pyo	594	0644	edit dl rm
idle.pyw	664	0644	edit dl rm
IdleHistory.py	3145	0644	edit dl rm
IdleHistory.pyc	3213	0644	edit dl rm
IdleHistory.pyo	3213	0644	edit dl rm
idlever.py	23	0644	edit dl rm
idlever.pyc	157	0644	edit dl rm
idlever.pyo	157	0644	edit dl rm
IOBinding.py	20972	0644	edit dl rm
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keybindingDialog.py	12407	0644	edit dl rm
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keybindingDialog.pyo	12384	0644	edit dl rm
macosxSupport.py	4724	0644	edit dl rm
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MultiCall.py	17470	0644	edit dl rm
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MultiStatusBar.py	789	0644	edit dl rm
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NEWS.txt	27165	0644	edit dl rm
ObjectBrowser.py	4156	0644	edit dl rm
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OutputWindow.py	4392	0644	edit dl rm
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ParenMatch.py	6627	0644	edit dl rm
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PathBrowser.py	2646	0644	edit dl rm
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Percolator.py	2616	0644	edit dl rm
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PyParse.py	19510	0644	edit dl rm
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PyShell.py	51909	0644	edit dl rm
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README.txt	2623	0644	edit dl rm
RemoteDebugger.py	11660	0644	edit dl rm
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RemoteObjectBrowser.py	942	0644	edit dl rm
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ReplaceDialog.py	5134	0644	edit dl rm
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rpc.py	20215	0644	edit dl rm
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rpc.pyo	21709	0644	edit dl rm
run.py	11337	0644	edit dl rm
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ScriptBinding.py	7783	0644	edit dl rm
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ScriptBinding.pyo	7585	0644	edit dl rm
ScrolledList.py	3995	0644	edit dl rm
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SearchDialog.py	2040	0644	edit dl rm
SearchDialog.pyc	3006	0644	edit dl rm
SearchDialog.pyo	3006	0644	edit dl rm
SearchDialogBase.py	4385	0644	edit dl rm
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SearchDialogBase.pyo	5492	0644	edit dl rm
SearchEngine.py	6731	0644	edit dl rm
SearchEngine.pyc	7215	0644	edit dl rm
SearchEngine.pyo	7215	0644	edit dl rm
StackViewer.py	3857	0644	edit dl rm
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tabbedpages.py	18188	0644	edit dl rm
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textView.py	3246	0644	edit dl rm
textView.pyc	3965	0644	edit dl rm
textView.pyo	3965	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
ToolTip.py	2736	0644	edit dl rm
ToolTip.pyc	4126	0644	edit dl rm
ToolTip.pyo	4126	0644	edit dl rm
TreeWidget.py	15237	0644	edit dl rm
TreeWidget.pyc	17906	0644	edit dl rm
TreeWidget.pyo	17906	0644	edit dl rm
UndoDelegator.py	10277	0644	edit dl rm
UndoDelegator.pyc	12550	0644	edit dl rm
UndoDelegator.pyo	12550	0644	edit dl rm
WidgetRedirector.py	4476	0644	edit dl rm
WidgetRedirector.pyc	5338	0644	edit dl rm
WidgetRedirector.pyo	5338	0644	edit dl rm
WindowList.py	2473	0644	edit dl rm
WindowList.pyc	3624	0644	edit dl rm
WindowList.pyo	3624	0644	edit dl rm
ZoomHeight.py	1307	0644	edit dl rm
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__init__.py	37	0644	edit dl rm
__init__.pyc	125	0644	edit dl rm
__init__.pyo	125	0644	edit dl rm

Edit: /usr/lib/python2.6/idlelib/rpc.py (20215B)

"""RPC Implemention, originally written for the Python Idle IDE

For security reasons, GvR requested that Idle's Python execution server process
connect to the Idle process, which listens for the connection.  Since Idle has
has only one client per server, this was not a limitation.

+---------------------------------+ +-------------+
   | SocketServer.BaseRequestHandler | | SocketIO    |
   +---------------------------------+ +-------------+
                   ^                   | register()  |
                   |                   | unregister()|
                   |                   +-------------+
                   |                      ^  ^
                   |                      |  |
                   | + -------------------+  |
                   | |                       |
   +-------------------------+        +-----------------+
   | RPCHandler              |        | RPCClient       |
   | [attribute of RPCServer]|        |                 |
   +-------------------------+        +-----------------+

The RPCServer handler class is expected to provide register/unregister methods.
RPCHandler inherits the mix-in class SocketIO, which provides these methods.

See the Idle run.main() docstring for further information on how this was
accomplished in Idle.

"""

import sys
import os
import socket
import select
import SocketServer
import struct
import cPickle as pickle
import threading
import Queue
import traceback
import copy_reg
import types
import marshal

def unpickle_code(ms):
    co = marshal.loads(ms)
    assert isinstance(co, types.CodeType)
    return co

def pickle_code(co):
    assert isinstance(co, types.CodeType)
    ms = marshal.dumps(co)
    return unpickle_code, (ms,)

# XXX KBK 24Aug02 function pickling capability not used in Idle
#  def unpickle_function(ms):
#      return ms

#  def pickle_function(fn):
#      assert isinstance(fn, type.FunctionType)
#      return repr(fn)

copy_reg.pickle(types.CodeType, pickle_code, unpickle_code)
# copy_reg.pickle(types.FunctionType, pickle_function, unpickle_function)

BUFSIZE = 8*1024
LOCALHOST = '127.0.0.1'

class RPCServer(SocketServer.TCPServer):

def __init__(self, addr, handlerclass=None):
        if handlerclass is None:
            handlerclass = RPCHandler
        SocketServer.TCPServer.__init__(self, addr, handlerclass)

def server_bind(self):
        "Override TCPServer method, no bind() phase for connecting entity"
        pass

def server_activate(self):
        """Override TCPServer method, connect() instead of listen()

Due to the reversed connection, self.server_address is actually the
        address of the Idle Client to which we are connecting.

"""
        self.socket.connect(self.server_address)

def get_request(self):
        "Override TCPServer method, return already connected socket"
        return self.socket, self.server_address

def handle_error(self, request, client_address):
        """Override TCPServer method

Error message goes to __stderr__.  No error message if exiting
        normally or socket raised EOF.  Other exceptions not handled in
        server code will cause os._exit.

"""
        try:
            raise
        except SystemExit:
            raise
        except:
            erf = sys.__stderr__
            print>>erf, '\n' + '-'*40
            print>>erf, 'Unhandled server exception!'
            print>>erf, 'Thread: %s' % threading.currentThread().getName()
            print>>erf, 'Client Address: ', client_address
            print>>erf, 'Request: ', repr(request)
            traceback.print_exc(file=erf)
            print>>erf, '\n*** Unrecoverable, server exiting!'
            print>>erf, '-'*40
            os._exit(0)

#----------------- end class RPCServer --------------------

objecttable = {}
request_queue = Queue.Queue(0)
response_queue = Queue.Queue(0)

class SocketIO(object):

nextseq = 0

def __init__(self, sock, objtable=None, debugging=None):
        self.sockthread = threading.currentThread()
        if debugging is not None:
            self.debugging = debugging
        self.sock = sock
        if objtable is None:
            objtable = objecttable
        self.objtable = objtable
        self.responses = {}
        self.cvars = {}

def close(self):
        sock = self.sock
        self.sock = None
        if sock is not None:
            sock.close()

def exithook(self):
        "override for specific exit action"
        os._exit()

def debug(self, *args):
        if not self.debugging:
            return
        s = self.location + " " + str(threading.currentThread().getName())
        for a in args:
            s = s + " " + str(a)
        print>>sys.__stderr__, s

def register(self, oid, object):
        self.objtable[oid] = object

def unregister(self, oid):
        try:
            del self.objtable[oid]
        except KeyError:
            pass

def localcall(self, seq, request):
        self.debug("localcall:", request)
        try:
            how, (oid, methodname, args, kwargs) = request
        except TypeError:
            return ("ERROR", "Bad request format")
        if not self.objtable.has_key(oid):
            return ("ERROR", "Unknown object id: %r" % (oid,))
        obj = self.objtable[oid]
        if methodname == "__methods__":
            methods = {}
            _getmethods(obj, methods)
            return ("OK", methods)
        if methodname == "__attributes__":
            attributes = {}
            _getattributes(obj, attributes)
            return ("OK", attributes)
        if not hasattr(obj, methodname):
            return ("ERROR", "Unsupported method name: %r" % (methodname,))
        method = getattr(obj, methodname)
        try:
            if how == 'CALL':
                ret = method(*args, **kwargs)
                if isinstance(ret, RemoteObject):
                    ret = remoteref(ret)
                return ("OK", ret)
            elif how == 'QUEUE':
                request_queue.put((seq, (method, args, kwargs)))
                return("QUEUED", None)
            else:
                return ("ERROR", "Unsupported message type: %s" % how)
        except SystemExit:
            raise
        except socket.error:
            raise
        except:
            msg = "*** Internal Error: rpc.py:SocketIO.localcall()\n\n"\
                  " Object: %s \n Method: %s \n Args: %s\n"
            print>>sys.__stderr__, msg % (oid, method, args)
            traceback.print_exc(file=sys.__stderr__)
            return ("EXCEPTION", None)

def remotecall(self, oid, methodname, args, kwargs):
        self.debug("remotecall:asynccall: ", oid, methodname)
        seq = self.asynccall(oid, methodname, args, kwargs)
        return self.asyncreturn(seq)

def remotequeue(self, oid, methodname, args, kwargs):
        self.debug("remotequeue:asyncqueue: ", oid, methodname)
        seq = self.asyncqueue(oid, methodname, args, kwargs)
        return self.asyncreturn(seq)

def asynccall(self, oid, methodname, args, kwargs):
        request = ("CALL", (oid, methodname, args, kwargs))
        seq = self.newseq()
        if threading.currentThread() != self.sockthread:
            cvar = threading.Condition()
            self.cvars[seq] = cvar
        self.debug(("asynccall:%d:" % seq), oid, methodname, args, kwargs)
        self.putmessage((seq, request))
        return seq

def asyncqueue(self, oid, methodname, args, kwargs):
        request = ("QUEUE", (oid, methodname, args, kwargs))
        seq = self.newseq()
        if threading.currentThread() != self.sockthread:
            cvar = threading.Condition()
            self.cvars[seq] = cvar
        self.debug(("asyncqueue:%d:" % seq), oid, methodname, args, kwargs)
        self.putmessage((seq, request))
        return seq

def asyncreturn(self, seq):
        self.debug("asyncreturn:%d:call getresponse(): " % seq)
        response = self.getresponse(seq, wait=0.05)
        self.debug(("asyncreturn:%d:response: " % seq), response)
        return self.decoderesponse(response)

def decoderesponse(self, response):
        how, what = response
        if how == "OK":
            return what
        if how == "QUEUED":
            return None
        if how == "EXCEPTION":
            self.debug("decoderesponse: EXCEPTION")
            return None
        if how == "EOF":
            self.debug("decoderesponse: EOF")
            self.decode_interrupthook()
            return None
        if how == "ERROR":
            self.debug("decoderesponse: Internal ERROR:", what)
            raise RuntimeError, what
        raise SystemError, (how, what)

def decode_interrupthook(self):
        ""
        raise EOFError

def mainloop(self):
        """Listen on socket until I/O not ready or EOF

pollresponse() will loop looking for seq number None, which
        never comes, and exit on EOFError.

"""
        try:
            self.getresponse(myseq=None, wait=0.05)
        except EOFError:
            self.debug("mainloop:return")
            return

def getresponse(self, myseq, wait):
        response = self._getresponse(myseq, wait)
        if response is not None:
            how, what = response
            if how == "OK":
                response = how, self._proxify(what)
        return response

def _proxify(self, obj):
        if isinstance(obj, RemoteProxy):
            return RPCProxy(self, obj.oid)
        if isinstance(obj, types.ListType):
            return map(self._proxify, obj)
        # XXX Check for other types -- not currently needed
        return obj

def _getresponse(self, myseq, wait):
        self.debug("_getresponse:myseq:", myseq)
        if threading.currentThread() is self.sockthread:
            # this thread does all reading of requests or responses
            while 1:
                response = self.pollresponse(myseq, wait)
                if response is not None:
                    return response
        else:
            # wait for notification from socket handling thread
            cvar = self.cvars[myseq]
            cvar.acquire()
            while not self.responses.has_key(myseq):
                cvar.wait()
            response = self.responses[myseq]
            self.debug("_getresponse:%s: thread woke up: response: %s" %
                       (myseq, response))
            del self.responses[myseq]
            del self.cvars[myseq]
            cvar.release()
            return response

def newseq(self):
        self.nextseq = seq = self.nextseq + 2
        return seq

def putmessage(self, message):
        self.debug("putmessage:%d:" % message[0])
        try:
            s = pickle.dumps(message)
        except pickle.PicklingError:
            print >>sys.__stderr__, "Cannot pickle:", repr(message)
            raise
        s = struct.pack("<i", len(s)) + s
        while len(s) > 0:
            try:
                r, w, x = select.select([], [self.sock], [])
                n = self.sock.send(s[:BUFSIZE])
            except (AttributeError, TypeError):
                raise IOError, "socket no longer exists"
            except socket.error:
                raise
            else:
                s = s[n:]

buffer = ""
    bufneed = 4
    bufstate = 0 # meaning: 0 => reading count; 1 => reading data

def pollpacket(self, wait):
        self._stage0()
        if len(self.buffer) < self.bufneed:
            r, w, x = select.select([self.sock.fileno()], [], [], wait)
            if len(r) == 0:
                return None
            try:
                s = self.sock.recv(BUFSIZE)
            except socket.error:
                raise EOFError
            if len(s) == 0:
                raise EOFError
            self.buffer += s
            self._stage0()
        return self._stage1()

def _stage0(self):
        if self.bufstate == 0 and len(self.buffer) >= 4:
            s = self.buffer[:4]
            self.buffer = self.buffer[4:]
            self.bufneed = struct.unpack("<i", s)[0]
            self.bufstate = 1

def _stage1(self):
        if self.bufstate == 1 and len(self.buffer) >= self.bufneed:
            packet = self.buffer[:self.bufneed]
            self.buffer = self.buffer[self.bufneed:]
            self.bufneed = 4
            self.bufstate = 0
            return packet

def pollmessage(self, wait):
        packet = self.pollpacket(wait)
        if packet is None:
            return None
        try:
            message = pickle.loads(packet)
        except pickle.UnpicklingError:
            print >>sys.__stderr__, "-----------------------"
            print >>sys.__stderr__, "cannot unpickle packet:", repr(packet)
            traceback.print_stack(file=sys.__stderr__)
            print >>sys.__stderr__, "-----------------------"
            raise
        return message

def pollresponse(self, myseq, wait):
        """Handle messages received on the socket.

Some messages received may be asynchronous 'call' or 'queue' requests,
        and some may be responses for other threads.

'call' requests are passed to self.localcall() with the expectation of
        immediate execution, during which time the socket is not serviced.

'queue' requests are used for tasks (which may block or hang) to be
        processed in a different thread.  These requests are fed into
        request_queue by self.localcall().  Responses to queued requests are
        taken from response_queue and sent across the link with the associated
        sequence numbers.  Messages in the queues are (sequence_number,
        request/response) tuples and code using this module removing messages
        from the request_queue is responsible for returning the correct
        sequence number in the response_queue.

pollresponse() will loop until a response message with the myseq
        sequence number is received, and will save other responses in
        self.responses and notify the owning thread.

"""
        while 1:
            # send queued response if there is one available
            try:
                qmsg = response_queue.get(0)
            except Queue.Empty:
                pass
            else:
                seq, response = qmsg
                message = (seq, ('OK', response))
                self.putmessage(message)
            # poll for message on link
            try:
                message = self.pollmessage(wait)
                if message is None:  # socket not ready
                    return None
            except EOFError:
                self.handle_EOF()
                return None
            except AttributeError:
                return None
            seq, resq = message
            how = resq[0]
            self.debug("pollresponse:%d:myseq:%s" % (seq, myseq))
            # process or queue a request
            if how in ("CALL", "QUEUE"):
                self.debug("pollresponse:%d:localcall:call:" % seq)
                response = self.localcall(seq, resq)
                self.debug("pollresponse:%d:localcall:response:%s"
                           % (seq, response))
                if how == "CALL":
                    self.putmessage((seq, response))
                elif how == "QUEUE":
                    # don't acknowledge the 'queue' request!
                    pass
                continue
            # return if completed message transaction
            elif seq == myseq:
                return resq
            # must be a response for a different thread:
            else:
                cv = self.cvars.get(seq, None)
                # response involving unknown sequence number is discarded,
                # probably intended for prior incarnation of server
                if cv is not None:
                    cv.acquire()
                    self.responses[seq] = resq
                    cv.notify()
                    cv.release()
                continue

def handle_EOF(self):
        "action taken upon link being closed by peer"
        self.EOFhook()
        self.debug("handle_EOF")
        for key in self.cvars:
            cv = self.cvars[key]
            cv.acquire()
            self.responses[key] = ('EOF', None)
            cv.notify()
            cv.release()
        # call our (possibly overridden) exit function
        self.exithook()

def EOFhook(self):
        "Classes using rpc client/server can override to augment EOF action"
        pass

#----------------- end class SocketIO --------------------

class RemoteObject(object):
    # Token mix-in class
    pass

def remoteref(obj):
    oid = id(obj)
    objecttable[oid] = obj
    return RemoteProxy(oid)

class RemoteProxy(object):

def __init__(self, oid):
        self.oid = oid

class RPCHandler(SocketServer.BaseRequestHandler, SocketIO):

debugging = False
    location = "#S"  # Server

def __init__(self, sock, addr, svr):
        svr.current_handler = self ## cgt xxx
        SocketIO.__init__(self, sock)
        SocketServer.BaseRequestHandler.__init__(self, sock, addr, svr)

def handle(self):
        "handle() method required by SocketServer"
        self.mainloop()

def get_remote_proxy(self, oid):
        return RPCProxy(self, oid)

class RPCClient(SocketIO):

debugging = False
    location = "#C"  # Client

nextseq = 1 # Requests coming from the client are odd numbered

def __init__(self, address, family=socket.AF_INET, type=socket.SOCK_STREAM):
        self.listening_sock = socket.socket(family, type)
        self.listening_sock.bind(address)
        self.listening_sock.listen(1)

def accept(self):
        working_sock, address = self.listening_sock.accept()
        if self.debugging:
            print>>sys.__stderr__, "****** Connection request from ", address
        if address[0] == LOCALHOST:
            SocketIO.__init__(self, working_sock)
        else:
            print>>sys.__stderr__, "** Invalid host: ", address
            raise socket.error

def get_remote_proxy(self, oid):
        return RPCProxy(self, oid)

class RPCProxy(object):

__methods = None
    __attributes = None

def __init__(self, sockio, oid):
        self.sockio = sockio
        self.oid = oid

def __getattr__(self, name):
        if self.__methods is None:
            self.__getmethods()
        if self.__methods.get(name):
            return MethodProxy(self.sockio, self.oid, name)
        if self.__attributes is None:
            self.__getattributes()
        if self.__attributes.has_key(name):
            value = self.sockio.remotecall(self.oid, '__getattribute__',
                                           (name,), {})
            return value
        else:
            raise AttributeError, name

def __getattributes(self):
        self.__attributes = self.sockio.remotecall(self.oid,
                                                "__attributes__", (), {})

def __getmethods(self):
        self.__methods = self.sockio.remotecall(self.oid,
                                                "__methods__", (), {})

def _getmethods(obj, methods):
    # Helper to get a list of methods from an object
    # Adds names to dictionary argument 'methods'
    for name in dir(obj):
        attr = getattr(obj, name)
        if callable(attr):
            methods[name] = 1
    if type(obj) == types.InstanceType:
        _getmethods(obj.__class__, methods)
    if type(obj) == types.ClassType:
        for super in obj.__bases__:
            _getmethods(super, methods)

def _getattributes(obj, attributes):
    for name in dir(obj):
        attr = getattr(obj, name)
        if not callable(attr):
            attributes[name] = 1

class MethodProxy(object):

def __init__(self, sockio, oid, name):
        self.sockio = sockio
        self.oid = oid
        self.name = name

def __call__(self, *args, **kwargs):
        value = self.sockio.remotecall(self.oid, self.name, args, kwargs)
        return value

# XXX KBK 09Sep03  We need a proper unit test for this module.  Previously
#                  existing test code was removed at Rev 1.27.

cmd: