diff options
Diffstat (limited to 'src/leap/bitmask/gui/logwindow.py')
-rw-r--r-- | src/leap/bitmask/gui/logwindow.py | 119 |
1 files changed, 3 insertions, 116 deletions
diff --git a/src/leap/bitmask/gui/logwindow.py b/src/leap/bitmask/gui/logwindow.py index 123f14cc..718269c9 100644 --- a/src/leap/bitmask/gui/logwindow.py +++ b/src/leap/bitmask/gui/logwindow.py @@ -23,93 +23,15 @@ import cgi from PySide import QtCore, QtGui import logbook -from logbook.queues import ZeroMQSubscriber from ui_loggerwindow import Ui_LoggerWindow -from leap.bitmask.logs import LOG_FORMAT -from leap.bitmask.logs.utils import get_logger +from leap.bitmask.logs.utils import get_logger, LOG_CONTROLLER from leap.bitmask.util.constants import PASTEBIN_API_DEV_KEY from leap.bitmask.util import pastebin logger = get_logger() -# log history global variable used to store received logs through different -# opened instances of this window -_LOGS_HISTORY = [] - - -class QtLogHandler(logbook.Handler, logbook.StringFormatterHandlerMixin): - """ - Custom log handler which emits a log record with the message properly - formatted using a Qt Signal. - """ - - class _QtSignaler(QtCore.QObject): - """ - inline class used to hold the `new_log` Signal, if this is used - directly in the outside class it fails due how PySide works. - - This is the message we get if not use this method: - TypeError: Error when calling the metaclass bases - metaclass conflict: the metaclass of a derived class must be a - (non-strict) subclass of the metaclasses of all its bases - - """ - new_log = QtCore.Signal(object) - - def emit(self, data): - """ - emit the `new_log` Signal with the given `data` parameter. - - :param data: the data to emit along with the signal. - :type data: object - """ - # WARNING: the new-style connection does NOT work because PySide - # translates the emit method to self.emit, and that collides with - # the emit method for logging.Handler - # self.new_log.emit(log_item) - QtCore.QObject.emit(self, QtCore.SIGNAL('new_log(PyObject)'), data) - - def __init__(self, level=logbook.NOTSET, format_string=None, - encoding=None, filter=None, bubble=False): - - logbook.Handler.__init__(self, level, filter, bubble) - logbook.StringFormatterHandlerMixin.__init__(self, format_string) - - self.qt = self._QtSignaler() - - def __enter__(self): - return logbook.Handler.__enter__(self) - - def __exit__(self, exc_type, exc_value, tb): - return logbook.Handler.__exit__(self, exc_type, exc_value, tb) - - def emit(self, record): - """ - Emit the specified logging record using a Qt Signal. - Also add it to the history in order to be able to access it later. - - :param record: the record to emit - :type record: logbook.LogRecord - """ - global _LOGS_HISTORY - record.msg = self.format(record) - # NOTE: not optimal approach, we may want to look at - # bisect.insort with a custom approach to use key or - # http://code.activestate.com/recipes/577197-sortedcollection/ - # Sort logs on arrival, logs transmitted over zmq may arrive unsorted. - _LOGS_HISTORY.append(record) - _LOGS_HISTORY = sorted(_LOGS_HISTORY, key=lambda r: r.time) - - # XXX: emitting the record on arrival does not allow us to sort here so - # in the GUI the logs may arrive with with some time sort problem. - # We should implement a sort-on-arrive for the log window. - # Maybe we should switch to a tablewidget item that sort automatically - # by timestamp. - # As a user workaround you can close/open the log window - self.qt.emit(record) - class LoggerWindow(QtGui.QDialog): """ @@ -147,19 +69,8 @@ class LoggerWindow(QtGui.QDialog): self._set_logs_to_display() - self._my_handler = QtLogHandler(format_string=LOG_FORMAT) - self._my_handler.qt.new_log.connect(self._add_log_line) - + LOG_CONTROLLER.new_log.connect(self._add_log_line) self._load_history() - self._connect_to_logbook() - - def _connect_to_logbook(self): - """ - Run in the background the log receiver. - """ - subscriber = ZeroMQSubscriber('tcp://127.0.0.1:5000', multi=True) - self._logbook_controller = subscriber.dispatch_in_background( - self._my_handler) def _add_log_line(self, log): """ @@ -201,7 +112,7 @@ class LoggerWindow(QtGui.QDialog): self._set_logs_to_display() self.ui.txtLogHistory.clear() current_history = [] - for record in _LOGS_HISTORY: + for record in LOG_CONTROLLER.get_logs(): self._add_log_line(record) current_history.append(record.msg) @@ -334,27 +245,3 @@ class LoggerWindow(QtGui.QDialog): self._paste_thread = QtCore.QThread() self._paste_thread.run = lambda: do_pastebin() self._paste_thread.start() - - def closeEvent(self, e): - """ - Disconnect logger on close. - """ - self._disconnect_logger() - e.accept() - - def reject(self): - """ - Disconnect logger on reject. - """ - self._disconnect_logger() - QtGui.QDialog.reject(self) - - def _disconnect_logger(self): - """ - Stop the background thread that receives messages through zmq, also - close the subscriber socket. - This allows us to re-create the subscriber when we reopen this window - without getting an error at trying to connect twice to the zmq port. - """ - self._logbook_controller.stop() - self._logbook_controller.subscriber.close() |