SEAMM: Simulation Environment for Atomistic and Molecular Modeling

Published July 6, 2026 | Version 2026.7.6

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Node.previous_nodes() (and the matching TkNode.previous_nodes()) returns the steps preceding a given step, optionally filtered by type -- useful for checking whether a particular kind of step, such as a Model Chemistry step, comes earlier in the flow.

Notes

Funding: NSF OAC-1547580 and CHE-2136142

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Is supplement to: Software: https://github.com/molssi-seamm/seamm/tree/2026.7.6 (URL)

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Zenodo

License: GNU Lesser General Public License v3.0 or later

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