0 ×

Python Edit Variable

DeprecatedKNIME Python nodes version 4.0.0.v201905311239 by KNIME AG, Zurich, Switzerland

Allows execution of a Python script in a local Python installation. The path to the Python executable has to be configured in Preferences → KNIME → Python.

Options

Script

Editor
The script that will be executed to generate this nodes output. Execute script will execute the full script while execute selection will only execute the currently selected script.

The editor optionally provides autocompletion (CTRL + Space) if the Python module jedi is installed.
Flow variables
The list contains the available flow variables. A double click will insert the corresponding identifier at the current cursor position in the editor.
Workspace
Lists the currently defined identifiers in the running Python instance. Reset workspace will remove all definitions and reinsert only the input data.
Console
Displays the standard and error output of the execution as well as other relevant information.

Templates

Create from editor...
Create a new template based on the script contained in the editor of the script tab.

Note: User defined templates can be found in the folder: knime-workspace/.metadata/knime/sourcecode-templates/python-variables
Remove selected
Removes the selected template.

Note: Templates provided by plugins can not be removed.
Apply selected
Replaces the script contained in the editor of the script tab with the selected template.

Input Ports

The input variables. In the Python script it is available as dictionary under the name flow_variables .

Output Ports

The output variables. This is the content of the variable flow_variables after the execution of the script.

Views

Standard output
The text sent by Python to the standard output, during the execution of this node.
Error output
The text sent by Python to the error output, during the execution of this node.

Best Friends (Incoming)

Best Friends (Outgoing)

Installation

To use this node in KNIME, install KNIME Python Integration (deprecated) from the following update site:

KNIME 4.0
Wait a sec! You want to explore and install nodes even faster? We highly recommend our NodePit for KNIME extension for your KNIME Analytics Platform.

Developers

You want to see the source code for this node? Click the following button and we’ll use our super-powers to find it for you.