from jmwright 72b67da

cq_editor/widgets/console.py

@@ -0,0 +1,81 @@
+from PyQt5.QtWidgets import QApplication
+from PyQt5.QtCore import pyqtSlot
+
+from qtconsole.rich_jupyter_widget import RichJupyterWidget
+from qtconsole.inprocess import QtInProcessKernelManager
+
+from ..mixins import ComponentMixin
+
+class ConsoleWidget(RichJupyterWidget,ComponentMixin):
+    
+    name = 'Console'
+
+    def __init__(self, customBanner=None, namespace=dict(), *args, **kwargs):
+        super(ConsoleWidget, self).__init__(*args, **kwargs)
+
+#        if not customBanner is None:
+#            self.banner = customBanner
+
+        self.font_size = 6
+        self.kernel_manager = kernel_manager = QtInProcessKernelManager()
+        kernel_manager.start_kernel(show_banner=False)
+        kernel_manager.kernel.gui = 'qt'
+        kernel_manager.kernel.shell.banner1 = ""
+        
+        self.kernel_client = kernel_client = self._kernel_manager.client()
+        kernel_client.start_channels()
+
+        def stop():
+            kernel_client.stop_channels()
+            kernel_manager.shutdown_kernel()
+            QApplication.instance().exit()
+
+        self.exit_requested.connect(stop)
+        
+        self.clear()
+        
+        self.push_vars(namespace)
+
+    @pyqtSlot(dict)
+    def push_vars(self, variableDict):
+        """
+        Given a dictionary containing name / value pairs, push those variables
+        to the Jupyter console widget
+        """
+        self.kernel_manager.kernel.shell.push(variableDict)
+
+    def clear(self):
+        """
+        Clears the terminal
+        """
+        self._control.clear()
+
+
+    def print_text(self, text):
+        """
+        Prints some plain text to the console
+        """
+        self._append_plain_text(text)
+
+    def execute_command(self, command):
+        """
+        Execute a command in the frame of the console widget
+        """
+        self._execute(command, False)
+        
+    def _banner_default(self):
+        
+        return ''
+
+        
+if __name__ == "__main__":
+   
+    
+    import sys
+    
+    app = QApplication(sys.argv)
+    
+    console = ConsoleWidget(customBanner='IPython console test')
+    console.show()
+    
+    sys.exit(app.exec_())