# \#python-nodes

**URL:** https://forum.knime.com/tag/python-nodes/228.md

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## [Python based Extension Development API: DoubleParameter can't display inf or nan](https://forum.knime.com/t/python-based-extension-development-api-doubleparameter-cant-display-inf-or-nan/91935)

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**Author:** [@joh\_elf](https://forum.knime.com/u/joh_elf)\
**Replies:** 1\
**Last updated:** [May 18, 2026, 6:18pm UTC](https://forum.knime.com/t/python-based-extension-development-api-doubleparameter-cant-display-inf-or-nan/91935 "2026-05-18T18:18:26Z")

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Hi, the knext.DoubleParameter can’t display inf or NaN values, which is quite important f.i. for default values of filters or alike. This max\_lim: knext.DoubleParameter = knext.DoubleParameter( label=“Max. Limit”,…

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## [KNIME to Python exporter UI](https://forum.knime.com/t/knime-to-python-exporter-ui/90024)

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**Author:** [@VitaliiKaplan](https://forum.knime.com/u/VitaliiKaplan)\
**Replies:** 21\
**Last updated:** [February 15, 2026, 4:16pm UTC](https://forum.knime.com/t/knime-to-python-exporter-ui/90024 "2026-02-15T16:16:39Z")

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Dear KNIME community, I am glad to present a new feature of the knime2py open-source project — knime2py now has a UI component node. This is the second post about knime2py (the first is here: KNIME to Python exporter )…

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## [How to safely handle large size KNIME folder (71.4GB) under /private/var/folders/q6/v.../T/knime\_my\_project\_16757](https://forum.knime.com/t/how-to-safely-handle-large-size-knime-folder-71-4gb-under-private-var-folders-q6-v-t-knime-my-project-16757/90186)

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**Author:** [@jordanm55](https://forum.knime.com/u/jordanm55)\
**Replies:** 3\
**Last updated:** [October 17, 2025, 1:33pm UTC](https://forum.knime.com/t/how-to-safely-handle-large-size-knime-folder-71-4gb-under-private-var-folders-q6-v-t-knime-my-project-16757/90186 "2025-10-17T13:33:02Z")

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Mac OS Sequoia 15.6, KNIME 5.70. When launching KNIME, the path I have set is an SSD, and as shown on the menu bar /Volumes/X31/KNIME – This is where I figure any workflows and their data are being saved each day, inclu…

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## [In the Python Script node, right clicking causes node to "crash"](https://forum.knime.com/t/in-the-python-script-node-right-clicking-causes-node-to-crash/90136)

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**Author:** [@jordanm55](https://forum.knime.com/u/jordanm55)\
**Replies:** 3\
**Last updated:** [October 10, 2025, 8:42am UTC](https://forum.knime.com/t/in-the-python-script-node-right-clicking-causes-node-to-crash/90136 "2025-10-10T08:42:40Z")

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Mac OS Sequoia 15.6 KNIME 5.5.1 (no updates found for me, so I assume this is the latest) If I click in the small side-view of the node, or if I expand it to a ‘more advanced’ view where it gets bigger, any sort of rig…