feat: DH-21221: Remote python controller imports#315

Draft

bmingles wants to merge 8 commits intoDH-20578_groovy-remote-file-sourcefrom

DH-21221_remote-python-controller-imports

Commits on Mar 18, 2026

DH-21221_remote-python-controller-imports/task-01: Create PythonControllerImportScanner service to detect controller import configuration in workspace Python files. Currently, the extension sends o…
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DH-21221_remote-python-controller-imports/task-02: Create comprehensive unit tests for PythonControllerImportScanner service. The scanner needs tests to verify it correctly detects controller impor…
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DH-21221_remote-python-controller-imports/task-03: Integrate PythonControllerImportScanner into RemoteFileSourceService to send prefixed module names to the Deephaven server. Currently, RemoteFileS…
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DH-21221_remote-python-controller-imports/task-05: Add unit tests for RemoteFileSourceService integration with PythonControllerImportScanner. Currently, RemoteFileSourceService has no test file. Cr…
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DH-21221_remote-python-controller-imports/task-06: Update user documentation to explain the controller import prefix feature. The docs/python-remote-file-sourcing.md file currently explains the bas…
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DH-21221_remote-python-controller-imports/task-07: Verify end-to-end functionality and ensure all tests pass. This is the final verification task to ensure the controller import prefix feature work…
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removed submodule ref (#DH-21221)
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Cleaned up python file change logic (#DH-21221)
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