Add roboflow_core/current_time@v1 Workflow block#2410
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The (Number) in range operator was already implemented in the evaluation engine and BinaryStatement union but was not included in the introspection export, making it invisible to the workflow builder UI. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Adds the NumberInRange BinaryOperator class and its evaluation lambda so the operator exposed in the workflow builder UI has a working backend. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
New formatter block that outputs the current date/time for a user-selected timezone. Inputs a curated IANA timezone (literal or selector, default UTC) and returns a timezone-aware timestamp plus iso_string, date, and time strings. Uses stdlib zoneinfo (backports.zoneinfo for py<3.9) and adds tzdata so the timezone database is available on slim/Windows runtimes. Curated dropdown options expose friendly UTC-offset labels via values_metadata. Registered in loader.py. Includes unit tests and a full execution-engine integration test. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
patricknihranz
requested review from
PawelPeczek-Roboflow,
dkosowski87,
grzegorz-roboflow,
hansent,
probicheaux,
rafel-roboflow and
yeldarby
as code owners
| fastapi>=0.133.0,<0.140 # 0.133+ dropped the starlette<1.0 cap; be careful with upper pin - fastapi might remove support for on_event | ||
| starlette>=1.0.1 # CVE-2026-48710 (BadHost) — Host-header path-injection fix | ||
| python-dotenv~=1.0.0 | ||
| backports.zoneinfo>=0.2.1; python_version < "3.9" |
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we do not support Py < 3.9
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PawelPeczek-Roboflow
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LGTM apart from dependency which is not needed
PawelPeczek-Roboflow
previously approved these changes
Jun 4, 2026
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PawelPeczek-Roboflow
approved these changes
Jun 4, 2026
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Summary
Adds a new Workflow block
roboflow_core/current_time@v1(category: formatter) that outputs the current date and time for a user-selected timezone.timezone— a curated IANA timezone name (literalLiteral[...]or aSelector(STRING_KIND)), default"UTC". The curated set (~55 zones) covers the common UTC offsets and exposes friendly labels (e.g.UTC-5/-4 Eastern Time (EST/EDT)) viavalues_metadataso the app renders a clean dropdown.timestamp— timezone-awaredatetime(TIMESTAMP_KIND), composable by downstream blocksiso_string,date(%Y-%m-%d),time(%H:%M:%S) —STRING_KINDconveniencesValueErrorfor unsupported/unknown values.Implementation notes
zoneinfo, falling back tobackports.zoneinfoon Python < 3.9.tzdatato requirements so the IANA database is present on slim/Windows runtimes that lack system tz data.core_steps/loader.py(import +load_blocks()entry).Testing
tests/workflows/unit_tests/.../test_current_time.py): manifest parsing (valid/default/selector/invalid), curated-enum +values_metadataschema exposure, DST-vs-fixed-offset behavior, run() output shape/consistency, and error paths. 11 passed locally.tests/workflows/integration_tests/.../test_workflow_with_current_time.py): runs the block end-to-end throughExecutionEngineand asserts a timezone-aware result with consistent derived strings.Type
Bug fix / new feature: non-breaking, additive new block. No changes to existing blocks.