errors.txt

Unhandled Error
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/twisted/python/log.py", line 101, in callWithLogger
    return callWithContext({"system": lp}, func, *args, **kw)
  File "/usr/lib/python3/dist-packages/twisted/python/log.py", line 84, in callWithContext
    return context.call({ILogContext: newCtx}, func, *args, **kw)
  File "/usr/lib/python3/dist-packages/twisted/python/context.py", line 118, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/usr/lib/python3/dist-packages/twisted/python/context.py", line 81, in callWithContext
    return func(*args,**kw)
--- <exception caught here> ---
  File "/usr/lib/python3/dist-packages/twisted/internet/posixbase.py", line 597, in _doReadOrWrite
    why = selectable.doRead()
  File "/usr/lib/python3/dist-packages/twisted/internet/process.py", line 280, in doRead
    return fdesc.readFromFD(self.fd, self.dataReceived)
  File "/usr/lib/python3/dist-packages/twisted/internet/fdesc.py", line 94, in readFromFD
    callback(output)
  File "/usr/lib/python3/dist-packages/twisted/internet/process.py", line 283, in dataReceived
    self.proc.childDataReceived(self.name, data)
  File "/usr/lib/python3/dist-packages/twisted/internet/process.py", line 937, in childDataReceived
    self.proto.childDataReceived(name, data)
  File "/usr/lib/python3/dist-packages/twisted/internet/endpoints.py", line 344, in childDataReceived
    return self.protocol.dataReceived(data)
  File "/usr/lib/python3/dist-packages/twisted/protocols/basic.py", line 445, in dataReceived
    if self.transport.disconnecting:
builtins.AttributeError: '_ProcessEndpointTransport' object has no attribute 'disconnecting'

gdbmi.py

import os
import shutil

from twisted.internet import protocol, endpoints
from twisted.protocols import basic

class GdbMiProtocol(basic.LineOnlyReceiver):
    ''' Protocol that parses GDB/MI lines.

        Nothing interesting is done with them.

        You should subclass this to actually *do* something with the MI.
    '''
    MAX_LENGTH = float('inf')
    delimiter = b'\n'
    def lineReceived(self, line):
        ''' Implements twisted's interface.
        '''
        print('line: %s' % line)
        pass
    # sendLine(self, data)


class ExecGdbMiEndpoint(endpoints.ProcessEndpoint):
    def __init__(self, reactor, executable='gdb'):
        ''' Endpoint that spawns an instance of GDB/MI.
        '''
        full_exe = shutil.which(executable)
        args = [executable, '--interpreter=mi2']
        env = os.environ # The default is retarded.
        # Default is to pipe stderr, but passthrough is a better idea.
        #childFDs= { 0: "w", 1: "r", 2: "r" }
        childFDs = { 0: "w", 1: "r", 2: 2 }
        endpoints.ProcessEndpoint.__init__(self, reactor, full_exe,
                args=args, env=env, childFDs=childFDs)

def main():
    from twisted.internet import reactor
    point = ExecGdbMiEndpoint(reactor)
    if 1:
        endpoints.connectProtocol(point, GdbMiProtocol())
    else:
        GdbMiFactory = protocol.Factory.forProtocol(GdbMiProtocol)
        endpoint.connect(GdbMiFactory)
    reactor.run()