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@@ -356,6 +356,11 b' class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin):' | |||
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356 | 356 | self._append_plain_text(text) |
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357 | 357 | self._control.moveCursor(QtGui.QTextCursor.End) |
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358 | 358 | |
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359 | def _handle_status(self, msg): | |
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360 | """ Handle kernel status messages. | |
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361 | """ | |
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362 | pass | |
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363 | ||
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359 | 364 | def _started_channels(self): |
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360 | 365 | """ Called when the KernelManager channels have started listening or |
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361 | 366 | when the frontend is assigned an already listening KernelManager. |
@@ -172,6 +172,14 b' class Kernel(Configurable):' | |||
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172 | 172 | self.pub_socket.send_json(pyin_msg) |
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173 | 173 | |
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174 | 174 | def execute_request(self, ident, parent): |
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175 | ||
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176 | status_msg = self.session.msg( | |
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177 | u'status', | |
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178 | {u'execution_state':u'busy'}, | |
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179 | parent=parent | |
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180 | ) | |
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181 | self.pub_socket.send_json(status_msg) | |
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182 | ||
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175 | 183 | try: |
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176 | 184 | content = parent[u'content'] |
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177 | 185 | code = content[u'code'] |
@@ -277,6 +285,13 b' class Kernel(Configurable):' | |||
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277 | 285 | if reply_msg['content']['status'] == u'error': |
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278 | 286 | self._abort_queue() |
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279 | 287 | |
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288 | status_msg = self.session.msg( | |
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289 | u'status', | |
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290 | {u'execution_state':u'idle'}, | |
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291 | parent=parent | |
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292 | ) | |
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293 | self.pub_socket.send_json(status_msg) | |
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294 | ||
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280 | 295 | def complete_request(self, ident, parent): |
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281 | 296 | txt, matches = self._complete(parent) |
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282 | 297 | matches = {'matches' : matches, |
@@ -671,6 +671,19 b' Message type: ``pyerr``::' | |||
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671 | 671 | # except the 'status' field is omitted. |
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672 | 672 | } |
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673 | 673 | |
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674 | Kernel status | |
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675 | ------------- | |
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676 | ||
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677 | This message type is used by frontends to monitor the status of the kernel. | |
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678 | ||
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679 | Message type: ``status``:: | |
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680 | ||
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681 | content = { | |
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682 | # When the kernel starts to execute code, it will enter the 'busy' | |
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683 | # state and when it finishes, it will enter the 'idle' state. | |
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684 | execution_state : ('busy', 'idle') | |
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685 | } | |
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686 | ||
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674 | 687 | Kernel crashes |
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675 | 688 | -------------- |
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676 | 689 |
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