Files
infospace-bench/src/infospace_bench/evaluation.py
2026-05-14 15:35:04 +02:00

306 lines
9.7 KiB
Python

from __future__ import annotations
from dataclasses import dataclass, field
from datetime import datetime
from typing import Any
@dataclass(frozen=True)
class ScoreEntry:
name: str
value: float
max_value: float = 5.0
rationale: str = ""
def to_dict(self) -> dict[str, Any]:
data: dict[str, Any] = {
"name": self.name,
"value": self.value,
"max_value": self.max_value,
}
if self.rationale:
data["rationale"] = self.rationale
return data
@classmethod
def from_dict(cls, data: dict[str, Any]) -> "ScoreEntry":
return cls(
name=str(data["name"]),
value=float(data["value"]),
max_value=float(data.get("max_value", 5.0)),
rationale=str(data.get("rationale") or ""),
)
@dataclass(frozen=True)
class EntityEvaluation:
artifact_id: str
evaluator: str
scores: list[ScoreEntry]
evaluated_at: datetime
notes: list[str] = field(default_factory=list)
@property
def entity_slug(self) -> str:
"""Legacy alias for readers moving from entity-oriented history files."""
return self.artifact_id
@property
def overall_score(self) -> float:
if not self.scores:
return 0.0
return sum(score.value for score in self.scores) / len(self.scores)
def to_dict(self) -> dict[str, Any]:
return {
"artifact_id": self.artifact_id,
"evaluator": self.evaluator,
"evaluated_at": self.evaluated_at.isoformat(),
"overall_score": round(self.overall_score, 4),
"scores": [score.to_dict() for score in self.scores],
"notes": self.notes,
}
@classmethod
def from_dict(cls, data: dict[str, Any]) -> "EntityEvaluation":
return cls(
artifact_id=str(data["artifact_id"]),
evaluator=str(data["evaluator"]),
scores=[ScoreEntry.from_dict(item) for item in data.get("scores", [])],
evaluated_at=datetime.fromisoformat(str(data["evaluated_at"])),
notes=list(data.get("notes") or []),
)
@dataclass(frozen=True)
class MetricValue:
name: str
value: float
concern: str = ""
details: dict[str, Any] = field(default_factory=dict)
def to_dict(self) -> dict[str, Any]:
data: dict[str, Any] = {"name": self.name, "value": self.value}
if self.concern:
data["concern"] = self.concern
if self.details:
data["details"] = self.details
return data
@classmethod
def from_dict(cls, data: dict[str, Any]) -> "MetricValue":
return cls(
name=str(data["name"]),
value=float(data["value"]),
concern=str(data.get("concern") or ""),
details=dict(data.get("details") or {}),
)
@dataclass(frozen=True)
class EvaluationSnapshot:
snapshot_id: str
created_at: datetime
schema_name: str
artifact_count: int
artifact_evaluations: list[EntityEvaluation] = field(default_factory=list)
collection_metrics: list[MetricValue] = field(default_factory=list)
metadata: dict[str, Any] = field(default_factory=dict)
@property
def entity_count(self) -> int:
"""Legacy alias retained for old infospace history readers."""
return self.artifact_count
@property
def entity_evaluations(self) -> list[EntityEvaluation]:
"""Legacy alias retained for old infospace history readers."""
return self.artifact_evaluations
def to_dict(self) -> dict[str, Any]:
return {
"snapshot_id": self.snapshot_id,
"created_at": self.created_at.isoformat(),
"schema_name": self.schema_name,
"artifact_count": self.artifact_count,
"artifact_evaluations": [
evaluation.to_dict() for evaluation in self.artifact_evaluations
],
"collection_metrics": [
metric.to_dict() for metric in self.collection_metrics
],
"metadata": self.metadata,
}
@classmethod
def from_dict(cls, data: dict[str, Any]) -> "EvaluationSnapshot":
return cls(
snapshot_id=str(data["snapshot_id"]),
created_at=datetime.fromisoformat(str(data["created_at"])),
schema_name=str(data.get("schema_name") or "default"),
artifact_count=int(data.get("artifact_count", data.get("entity_count", 0))),
artifact_evaluations=[
EntityEvaluation.from_dict(item)
for item in data.get(
"artifact_evaluations",
data.get("entity_evaluations", []),
)
],
collection_metrics=[
MetricValue.from_dict(item) for item in data.get("collection_metrics", [])
],
metadata=dict(data.get("metadata") or {}),
)
def diff(self, after: "EvaluationSnapshot") -> "SnapshotDiff":
return diff_snapshots(self, after)
@dataclass(frozen=True)
class ScoreChange:
artifact_id: str
dimension: str
before: float
after: float
@property
def delta(self) -> float:
return self.after - self.before
@property
def entity_slug(self) -> str:
"""Legacy alias for old diff consumers."""
return self.artifact_id
def to_dict(self) -> dict[str, Any]:
return {
"artifact_id": self.artifact_id,
"dimension": self.dimension,
"before": self.before,
"after": self.after,
"delta": self.delta,
}
@dataclass(frozen=True)
class MetricChange:
name: str
before: float
after: float
@property
def delta(self) -> float:
return self.after - self.before
def to_dict(self) -> dict[str, Any]:
return {
"name": self.name,
"before": self.before,
"after": self.after,
"delta": self.delta,
}
@dataclass(frozen=True)
class SnapshotDiff:
before_id: str
after_id: str
added_artifacts: list[str] = field(default_factory=list)
removed_artifacts: list[str] = field(default_factory=list)
score_changes: list[ScoreChange] = field(default_factory=list)
metric_changes: list[MetricChange] = field(default_factory=list)
@property
def added_entities(self) -> list[str]:
"""Legacy alias for old history diff output."""
return self.added_artifacts
@property
def removed_entities(self) -> list[str]:
"""Legacy alias for old history diff output."""
return self.removed_artifacts
def to_dict(self) -> dict[str, Any]:
return {
"before_id": self.before_id,
"after_id": self.after_id,
"added_artifacts": self.added_artifacts,
"removed_artifacts": self.removed_artifacts,
"score_changes": [change.to_dict() for change in self.score_changes],
"metric_changes": [change.to_dict() for change in self.metric_changes],
}
def summary(self) -> str:
lines = [f"Snapshot diff: {self.before_id} -> {self.after_id}"]
if not (
self.added_artifacts
or self.removed_artifacts
or self.score_changes
or self.metric_changes
):
return "\n".join([*lines, "No changes."])
for artifact_id in self.added_artifacts:
lines.append(f"Added artifact: {artifact_id}")
for artifact_id in self.removed_artifacts:
lines.append(f"Removed artifact: {artifact_id}")
for change in self.score_changes:
lines.append(
f"Score {change.artifact_id} {change.dimension}: "
f"{change.before} -> {change.after} ({change.delta:+.4f})"
)
for change in self.metric_changes:
lines.append(
f"Metric {change.name}: "
f"{change.before} -> {change.after} ({change.delta:+.4f})"
)
return "\n".join(lines)
def diff_snapshots(
before: EvaluationSnapshot,
after: EvaluationSnapshot,
) -> SnapshotDiff:
before_scores = _score_index(before)
after_scores = _score_index(after)
before_artifacts = {
evaluation.artifact_id for evaluation in before.artifact_evaluations
}
after_artifacts = {evaluation.artifact_id for evaluation in after.artifact_evaluations}
score_changes = [
ScoreChange(
artifact_id,
dimension,
before_scores.get(key, 0.0),
after_scores.get(key, 0.0),
)
for key in sorted(before_scores.keys() | after_scores.keys())
for artifact_id, dimension in [key]
if before_scores.get(key) != after_scores.get(key)
]
before_metrics = {metric.name: metric.value for metric in before.collection_metrics}
after_metrics = {metric.name: metric.value for metric in after.collection_metrics}
metric_changes = [
MetricChange(name, before_metrics.get(name, 0.0), after_metrics.get(name, 0.0))
for name in sorted(before_metrics.keys() | after_metrics.keys())
if before_metrics.get(name) != after_metrics.get(name)
]
return SnapshotDiff(
before_id=before.snapshot_id,
after_id=after.snapshot_id,
added_artifacts=sorted(after_artifacts - before_artifacts),
removed_artifacts=sorted(before_artifacts - after_artifacts),
score_changes=score_changes,
metric_changes=metric_changes,
)
def _score_index(snapshot: EvaluationSnapshot) -> dict[tuple[str, str], float]:
return {
(evaluation.artifact_id, score.name): score.value
for evaluation in snapshot.artifact_evaluations
for score in evaluation.scores
}