feat(refactor): PEP8, type annotations, docstrings and PyJWT security fix
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@@ -12,105 +12,211 @@ Usage::
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entity.apply_to(technique_orm_model)
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"""
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# Enable future language features for compatibility
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from __future__ import annotations
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# Import uuid
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import uuid
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from dataclasses import dataclass, field
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from datetime import datetime
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from typing import Any
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# Import dataclass, field from dataclasses
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from dataclasses import dataclass, field
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# Import datetime from datetime
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from datetime import datetime
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# Import TYPE_CHECKING from typing
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from typing import TYPE_CHECKING
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# Import TechniqueStatus, TestResult, TestState from app.domain.enums
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from app.domain.enums import TechniqueStatus, TestResult, TestState
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# Import MitreId from app.domain.value_objects.mitre_id
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from app.domain.value_objects.mitre_id import MitreId
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# Check: TYPE_CHECKING
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if TYPE_CHECKING:
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# Import Technique as TechniqueORM from app.models.technique
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from app.models.technique import Technique as TechniqueORM
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# Apply the @dataclass decorator
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@dataclass(frozen=True)
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# Define class _TestSnapshot
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class _TestSnapshot:
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"""Minimal read-only view of a test for status calculation."""
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# state: TestState
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state: TestState
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# detection_result: str | None
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detection_result: str | None
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# Apply the @dataclass decorator
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@dataclass
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# Define class TechniqueEntity
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class TechniqueEntity:
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"""Pure domain representation of a MITRE ATT&CK technique."""
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# id: uuid.UUID
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id: uuid.UUID
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# mitre_id: str
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mitre_id: str
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# name: str
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name: str
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# Assign tactic = None
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tactic: str | None = None
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# Assign description = None
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description: str | None = None
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# Assign platforms = field(default_factory=list)
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platforms: list[str] = field(default_factory=list)
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# Assign is_subtechnique = False
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is_subtechnique: bool = False
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# Assign parent_mitre_id = None
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parent_mitre_id: str | None = None
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# Assign status_global = TechniqueStatus.not_evaluated
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status_global: TechniqueStatus = TechniqueStatus.not_evaluated
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# Assign review_required = False
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review_required: bool = False
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# Assign last_review_date = None
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last_review_date: datetime | None = None
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# Assign mitre_version = None
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mitre_version: str | None = None
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# Assign mitre_last_modified = None
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mitre_last_modified: datetime | None = None
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# -- Factory -----------------------------------------------------------
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@classmethod
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# Define function create
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def create(
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cls,
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*,
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# Entry: mitre_id
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mitre_id: str,
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# Entry: name
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name: str,
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# Entry: tactic
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tactic: str | None = None,
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# Entry: description
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description: str | None = None,
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# Entry: platforms
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platforms: list[str] | None = None,
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) -> TechniqueEntity:
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"""Create a new technique, validating the MITRE ID format."""
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"""Create a new technique, validating the MITRE ID format.
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Args:
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mitre_id (str): MITRE ATT&CK identifier (e.g. ``"T1059"`` or ``"T1059.001"``).
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name (str): Human-readable name of the technique.
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tactic (str | None): MITRE tactic category the technique belongs to.
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description (str | None): Optional free-text description.
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platforms (list[str] | None): List of platform strings the technique applies to.
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Returns:
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TechniqueEntity: A new entity with a freshly generated UUID and
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``status_global`` set to ``not_evaluated``.
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"""
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# Assign validated_id = MitreId(mitre_id)
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validated_id = MitreId(mitre_id)
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# Return cls(
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return cls(
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# Keyword argument: id
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id=uuid.uuid4(),
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# Keyword argument: mitre_id
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mitre_id=validated_id.value,
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# Keyword argument: name
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name=name,
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# Keyword argument: tactic
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tactic=tactic,
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# Keyword argument: description
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description=description,
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# Keyword argument: platforms
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platforms=platforms or [],
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# Keyword argument: is_subtechnique
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is_subtechnique=validated_id.is_subtechnique,
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# Keyword argument: parent_mitre_id
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parent_mitre_id=validated_id.parent_id,
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# Keyword argument: status_global
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status_global=TechniqueStatus.not_evaluated,
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)
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# Apply the @classmethod decorator
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@classmethod
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def from_orm(cls, model: Any) -> TechniqueEntity:
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"""Build a TechniqueEntity from a SQLAlchemy Technique model."""
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# Define function from_orm
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def from_orm(cls, model: TechniqueORM) -> TechniqueEntity:
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"""Build a TechniqueEntity from a SQLAlchemy Technique model.
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Args:
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model (TechniqueORM): The ORM model instance to convert.
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Returns:
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TechniqueEntity: A fully populated domain entity reflecting the ORM state.
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"""
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# Assign raw_status = model.status_global
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raw_status = model.status_global
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# Check: raw_status is None
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if raw_status is None:
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# Assign status = TechniqueStatus.not_evaluated
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status = TechniqueStatus.not_evaluated
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# Alternative: isinstance(raw_status, TechniqueStatus)
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elif isinstance(raw_status, TechniqueStatus):
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# Assign status = raw_status
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status = raw_status
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# Fallback: handle remaining cases
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else:
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# Assign status = TechniqueStatus(raw_status)
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status = TechniqueStatus(raw_status)
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# Return cls(
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return cls(
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# Keyword argument: id
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id=model.id,
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# Keyword argument: mitre_id
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mitre_id=model.mitre_id,
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# Keyword argument: name
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name=model.name,
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# Keyword argument: tactic
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tactic=model.tactic,
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# Keyword argument: description
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description=model.description,
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# Keyword argument: platforms
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platforms=model.platforms or [],
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# Keyword argument: is_subtechnique
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is_subtechnique=model.is_subtechnique or False,
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# Keyword argument: parent_mitre_id
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parent_mitre_id=model.parent_mitre_id,
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# Keyword argument: status_global
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status_global=status,
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# Keyword argument: review_required
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review_required=model.review_required or False,
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# Keyword argument: last_review_date
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last_review_date=model.last_review_date,
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# Keyword argument: mitre_version
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mitre_version=getattr(model, "mitre_version", None),
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# Keyword argument: mitre_last_modified
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mitre_last_modified=getattr(model, "mitre_last_modified", None),
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)
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def apply_to(self, model: Any) -> None:
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"""Copy mutable fields back onto the ORM model."""
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# Define function apply_to
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def apply_to(self, model: TechniqueORM) -> None:
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"""Copy mutable fields back onto the ORM model.
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Args:
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model (TechniqueORM): The ORM model to update in-place.
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Returns:
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None
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"""
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# Assign model.status_global = self.status_global
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model.status_global = self.status_global
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# Assign model.review_required = self.review_required
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model.review_required = self.review_required
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# Assign model.last_review_date = self.last_review_date
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model.last_review_date = self.last_review_date
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# -- Business logic ----------------------------------------------------
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def recalculate_status(
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self,
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# Entry: test_snapshots
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test_snapshots: list[tuple[str, str | None]],
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) -> TechniqueStatus:
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"""Recompute ``status_global`` from a list of (state, detection_result) pairs.
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@@ -131,23 +237,37 @@ class TechniqueEntity:
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With only 1 validated+detected test the technique is "partial" to
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signal that more testing is recommended.
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Returns the new status (also set on the entity).
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Args:
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test_snapshots (list[tuple[str, str | None]]): Each element is a
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``(state, detection_result)`` pair where *state* is a
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:class:`TestState` value string and *detection_result* is a
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:class:`TestResult` value string or ``None``.
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Returns:
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TechniqueStatus: The newly computed status, which is also stored on
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the entity's ``status_global`` field.
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"""
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_MIN_VALIDATED_FOR_FULL = 2 # require ≥ N validated tests for "validated"
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tests = [
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_TestSnapshot(
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# Keyword argument: state
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state=s if isinstance(s, TestState) else TestState(s),
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# Keyword argument: detection_result
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detection_result=dr,
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)
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for s, dr in test_snapshots
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]
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# Check: not tests
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if not tests:
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# Assign self.status_global = TechniqueStatus.not_evaluated
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self.status_global = TechniqueStatus.not_evaluated
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# Alternative: all(t.state == TestState.validated for t in tests)
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elif all(t.state == TestState.validated for t in tests):
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validated_count = len(tests)
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results = [t.detection_result for t in tests if t.detection_result]
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# Check: results and all(r == TestResult.detected or r == "detected" for r i...
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if results and all(r == TestResult.detected or r == "detected" for r in results):
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# Need at least _MIN_VALIDATED_FOR_FULL tests for "validated"
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if validated_count >= _MIN_VALIDATED_FOR_FULL:
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@@ -155,24 +275,46 @@ class TechniqueEntity:
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else:
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self.status_global = TechniqueStatus.partial
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elif any(
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# Keyword argument: r
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r == TestResult.partially_detected or r == "partially_detected"
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for r in results
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):
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# Assign self.status_global = TechniqueStatus.partial
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self.status_global = TechniqueStatus.partial
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# Fallback: handle remaining cases
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else:
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# Assign self.status_global = TechniqueStatus.not_covered
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self.status_global = TechniqueStatus.not_covered
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# Alternative: any(t.state == TestState.validated for t in tests)
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elif any(t.state == TestState.validated for t in tests):
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# Assign self.status_global = TechniqueStatus.partial
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self.status_global = TechniqueStatus.partial
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# Fallback: handle remaining cases
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else:
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# Assign self.status_global = TechniqueStatus.in_progress
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self.status_global = TechniqueStatus.in_progress
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# Return self.status_global
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return self.status_global
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# Define function mark_reviewed
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def mark_reviewed(self) -> None:
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"""Mark the technique as reviewed, clearing the review flag."""
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"""Mark the technique as reviewed, clearing the review flag.
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Returns:
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None
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"""
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# Assign self.review_required = False
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self.review_required = False
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# Assign self.last_review_date = datetime.utcnow()
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self.last_review_date = datetime.utcnow()
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# Define function flag_for_review
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def flag_for_review(self) -> None:
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"""Flag the technique as needing review."""
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"""Flag the technique as needing review.
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Returns:
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None
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"""
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# Assign self.review_required = True
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self.review_required = True
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