Esempio n. 1
0
def write_packet(sock, data, already_pickled=False):
    """Write *data* to socket *sock*"""
    if already_pickled:
        sent_data = data
    else:
        sent_data = pickle.dumps(data, PICKLE_HIGHEST_PROTOCOL)
    sent_data = struct.pack("l", len(sent_data)) + sent_data
    nsend = len(sent_data)
    while nsend > 0:
        nsend -= temp_fail_retry(socket.error, sock.send, sent_data)
Esempio n. 2
0
    def run(self):
        self.ipython_shell = None
        while True:
            output = pickle.dumps(None, PICKLE_HIGHEST_PROTOCOL)
            glbs = self.mglobals()
            try:
                if DEBUG_MONITOR:
                    logging.debug("****** Introspection request /Begin ******")
                command = PACKET_NOT_RECEIVED
                try:
                    timeout = self.timeout if self.auto_refresh else None
                    command = read_packet(self.i_request, timeout=timeout)
                    if command is None:
                        continue
                    timed_out = False
                except socket.timeout:
                    timed_out = True
                except struct.error:
                    # This should mean that Spyder GUI has crashed
                    if DEBUG_MONITOR:
                        logging.debug("struct.error -> quitting monitor")
                    break
                if timed_out:
                    if DEBUG_MONITOR:
                        logging.debug(
                            "connection timed out -> updating remote view")
                    self.update_remote_view()
                    if DEBUG_MONITOR:
                        logging.debug(
                            "****** Introspection request /End ******")
                    continue
                if DEBUG_MONITOR:
                    logging.debug("command: %r" % command)
                lcls = self.mlocals()
                result = eval(command, glbs, lcls)
                if DEBUG_MONITOR:
                    logging.debug(" result: %r" % result)
                if self.pdb_obj is None:
                    lcls["_"] = result
                # old com implementation: (see solution (1) in Issue 434)
                output = pickle.dumps(result, PICKLE_HIGHEST_PROTOCOL)
#                # new com implementation: (see solution (2) in Issue 434)
#                output = pickle.dumps((command, result),
#                                      PICKLE_HIGHEST_PROTOCOL)
            except SystemExit:
                break
            except:
                if DEBUG_MONITOR:
                    logging.debug("error!")
                log_last_error(LOG_FILENAME, command)
            finally:
                try:
                    if DEBUG_MONITOR:
                        logging.debug("updating remote view")
                    if self.refresh_after_eval:
                        self.update_remote_view()
                        self.refresh_after_eval = False
                    if DEBUG_MONITOR:
                        logging.debug("sending result")
                        logging.debug(
                            "****** Introspection request /End ******")
                    if command is not PACKET_NOT_RECEIVED:
                        if write_packet is None:
                            # This may happen during interpreter shutdown
                            break
                        else:
                            write_packet(self.i_request,
                                         output,
                                         already_pickled=True)
                except AttributeError as error:
                    if "'NoneType' object has no attribute" in str(error):
                        # This may happen during interpreter shutdown
                        break
                    else:
                        raise
                except TypeError as error:
                    if "'NoneType' object is not subscriptable" in str(error):
                        # This may happen during interpreter shutdown
                        break
                    else:
                        raise

        self.i_request.close()
        self.n_request.close()
Esempio n. 3
0
    def run(self):
        self.ipython_shell = None
        while True:
            output = pickle.dumps(None, PICKLE_HIGHEST_PROTOCOL)
            glbs = self.mglobals()
            try:
                if DEBUG_MONITOR:
                    logging.debug("****** Introspection request /Begin ******")
                command = PACKET_NOT_RECEIVED
                try:
                    timeout = self.timeout if self.auto_refresh else None
                    command = read_packet(self.i_request, timeout=timeout)
                    if command is None:
                        continue
                    timed_out = False
                except socket.timeout:
                    timed_out = True
                except struct.error:
                    # This should mean that Spyder GUI has crashed
                    if DEBUG_MONITOR:
                        logging.debug("struct.error -> quitting monitor")
                    break
                if timed_out:
                    if DEBUG_MONITOR:
                        logging.debug("connection timed out -> updating remote view")
                    self.update_remote_view()
                    if DEBUG_MONITOR:
                        logging.debug("****** Introspection request /End ******")
                    continue
                if DEBUG_MONITOR:
                    logging.debug("command: %r" % command)
                lcls = self.mlocals()
                result = eval(command, glbs, lcls)
                if DEBUG_MONITOR:
                    logging.debug(" result: %r" % result)
                if self.pdb_obj is None:
                    lcls["_"] = result
                # old com implementation: (see solution (1) in Issue 434)
                output = pickle.dumps(result, PICKLE_HIGHEST_PROTOCOL)
            #                # new com implementation: (see solution (2) in Issue 434)
            #                output = pickle.dumps((command, result),
            #                                      PICKLE_HIGHEST_PROTOCOL)
            except SystemExit:
                break
            except:
                if DEBUG_MONITOR:
                    logging.debug("error!")
                log_last_error(LOG_FILENAME, command)
            finally:
                try:
                    if DEBUG_MONITOR:
                        logging.debug("updating remote view")
                    if self.refresh_after_eval:
                        self.update_remote_view()
                        self.refresh_after_eval = False
                    if DEBUG_MONITOR:
                        logging.debug("sending result")
                        logging.debug("****** Introspection request /End ******")
                    if command is not PACKET_NOT_RECEIVED:
                        if write_packet is None:
                            # This may happen during interpreter shutdown
                            break
                        else:
                            write_packet(self.i_request, output, already_pickled=True)
                except AttributeError as error:
                    if "'NoneType' object has no attribute" in str(error):
                        # This may happen during interpreter shutdown
                        break
                    else:
                        raise
                except TypeError as error:
                    if "'NoneType' object is not subscriptable" in str(error):
                        # This may happen during interpreter shutdown
                        break
                    else:
                        raise

        self.i_request.close()
        self.n_request.close()