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refactor(rails): rename tool rail fields - #2312
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Staged Fern docs preview: https://nvidia-preview-pr-2312.docs.buildwithfern.com/nemo/guardrails |
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 [Medium impact] The PR appears safe to merge; no actionable issues remain from this review. SummaryRenames tool rails to
Reviews (7) · Last reviewed commit: "refactor(rails): rename per-tool rail na..." · Reviewed by Greptile |
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| Check name | Status | Explanation | Resolution |
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| Docstring Coverage |  |
Docstring coverage is 45.36% which is insufficient. The required threshold is 80.00%. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
| Test Results For Major Changes | |
The diff changes public rail fields and runtime flows across 26 files, but the PR description's Verification section contains no test results or testing details. | Add concrete verification information to the PR description, including the test commands run and their results. |
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Check name Status Explanation Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely describes the main change: renaming the tool rail fields. It matches the pull request objectives and changeset.
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Inline comments:
In `@docs/configure-rails/configuration-reference.mdx`:
- Around line 371-373: Update the tool-rails documentation to remove the claim
that they run only on IORails, since tool_call is supported on LLMRails; retain
the precise IORails-specific behavior about the parallel field, and remove
equivalent IORails-only wording from the companion Tool Calling page.
In `@nemoguardrails/rails/llm/config.py`:
- Around line 566-576: Update both nemoguardrails/rails/llm/config.py lines
566-576 and nemoguardrails/rails/llm/options.py lines 160-170: replace
Field(deprecated=...) with json_schema_extra={"deprecated": True}, and add
explicit alias-access handling that emits deprecation warnings while returning
the corresponding canonical fields. Use the existing ToolCallRails,
ToolResultRails, and related model symbols in each file, preserving
canonical-field access and Pydantic 2.5 compatibility.
- Around line 437-468: Add model_config with ConfigDict(extra="forbid") to both
ToolCallRails and ToolResultRails so unknown configuration keys raise validation
errors instead of being ignored, and add tests covering invalid keys for each
model.
In `@tests/tool_result_rails_actions.py`:
- Around line 34-36: Update the tool_message, tool_name, and tool_call_id
parameter annotations, along with the corresponding parameters at the additional
locations, from implicit nullable str types to Optional[str], preserving their
None defaults and adding or reusing the required Optional import.
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📒 Files selected for processing (26)
docs/configure-rails/configuration-reference.mdxdocs/configure-rails/guardrail-catalog/tool-calling.mdxdocs/telemetry.mdxnemoguardrails/guardrails/iorails.pynemoguardrails/guardrails/rails_manager.pynemoguardrails/library/injection_detection/rail.pynemoguardrails/logging/processing_log.pynemoguardrails/manifests/manifest.pynemoguardrails/rails/llm/config.pynemoguardrails/rails/llm/llm_flows.conemoguardrails/rails/llm/llmrails.pynemoguardrails/rails/llm/options.pynemoguardrails/telemetry.pytests/guardrails/test_guardrails.pytests/guardrails/test_iorails_generation_log.pytests/guardrails/test_tool_rails_iorails.pytests/integrations/langchain/test_tool_call_rails.pytests/integrations/langchain/test_tool_calls_event_extraction.pytests/rails/llm/test_config.pytests/rails/llm/test_options.pytests/telemetry/test_usage_reporting.pytests/test_logging.pytests/test_tool_call_rails.pytests/test_tool_calls_event_extraction.pytests/test_tool_result_rails.pytests/tool_result_rails_actions.py
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tanushriya910
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overall PR looks good to me, the naming is now much more intuitive. one minor thing, I noticed schemas/anonymous_events.snapshot.json still uses tool_input and tool_output in description
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Rename rails.tool_output and rails.tool_input to rails.tool_call and rails.tool_result, retaining deprecated compatibility aliases. Update runtime terminology, telemetry, tests, and documentation. Signed-off-by: Pouyanpi <13303554+Pouyanpi@users.noreply.github.com>
Signed-off-by: Pouyanpi <13303554+Pouyanpi@users.noreply.github.com>
… tests Signed-off-by: Tanushriya Singh <tanushriyas@nvidia.com>
Signed-off-by: Tanushriya Singh <tanushriyas@nvidia.com>
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Signed-off-by: Tanushriya Singh <tanushriyas@nvidia.com>
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Description
Rename rails.
tool_outputand rails.tool_inputto rails.tool_calland rails.tool_result, retaining deprecated compatibility aliases.Update runtime terminology, telemetry, tests, and documentation.
Updated to also include renaming for the per-tool rails as well, with no compatibility aliases since they're unreleased.
Related Issue(s)
NGUARD-989
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Summary by CodeRabbit
tool_callandtool_resultrail configuration for tool-call and tool-result validation.