| Script File Name Extension | Shebang | Implementation Used by _RunPythonScript | Implementation Used in Rhino Python Editor (_EditPythonScript) |
Implementation Used by _-ScriptEditor _Run or in Script Editor (_ScriptEditor) |
|---|---|---|---|---|
| .py | None | 2 | 2 | 3 |
| .py | #! python 2 | 2 | 2 | 2 |
| .py | #! python 3 | 3 | 2 | 3 |
| .py2 | None | Error because extension is not allowed | Error because extension is not allowed | 2 |
| .py2 | #! python 3 (mismatches extension) | " | " | 3 |
| .py3 | None | " | " | 3 |
| .py3 | #! python 2 (mismatches extension) | " | " | 3 |
The language specifier shebang, #! python 2 or #! python 3, is placed near the top of the script.
Results are from 8.28.26041.11001, 2026-02-10