Implemented foundation of task-flow-engine

state-hub/task_flow_engine/builtins.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+from collections.abc import Sequence
+from typing import Any
+
+
+EMPTY_VALUES = (None, "", [], {}, ())
+
+
+def all_eq(values: list[Any], expected: Any) -> bool:
+    return all(_matches(value, expected) for value in values)
+
+
+def any_eq(values: list[Any], expected: Any) -> bool:
+    return any(_matches(value, expected) for value in values)
+
+
+def none_eq(values: list[Any], expected: Any) -> bool:
+    return all(not _matches(value, expected) for value in values)
+
+
+def exists(values: list[Any], expected: Any = None) -> bool:
+    return any(value not in EMPTY_VALUES for value in values)
+
+
+def count_gte(values: list[Any], expected: Any) -> bool:
+    try:
+        threshold = int(expected)
+    except (TypeError, ValueError):
+        return False
+    return len(values) >= threshold
+
+
+def _matches(value: Any, expected: Any) -> bool:
+    if isinstance(expected, Sequence) and not isinstance(expected, (str, bytes, bytearray)):
+        return value in expected
+    return value == expected