Files
WiseGrade/backend/wisegrade/rules.py
T
aerospaceboy ebe33392ca fix: improve import, evidence indexing and material-scoped grading
Preserve document revisions and evidence, harden indexing and export behavior, add explicit material selection and direct-folder import, validate model JSON schemas with safe error messages, and retain student selection while loading scoring data.
2026-10-14 13:52:56 +08:00

88 lines
4.0 KiB
Python

from typing import Literal
from uuid import uuid4
from pydantic import BaseModel, ConfigDict, Field, model_validator
class EvidenceTarget(BaseModel):
model_config = ConfigDict(extra="forbid")
target_id: str = Field(default_factory=lambda: uuid4().hex, min_length=1, max_length=50)
label: str = Field(min_length=1, max_length=300)
use: Literal["content", "structure"]
allowed_page_types: list[Literal["cover", "abstract", "toc", "body", "appendix", "references"]] = Field(default_factory=list)
query: str = ""
@model_validator(mode="after")
def valid_sources(self):
from .pages import CONTENT_PAGE_TYPES, STRUCTURE_PAGE_TYPES
permitted = CONTENT_PAGE_TYPES if self.use == "content" else STRUCTURE_PAGE_TYPES
if not self.label.strip() or not self.target_id.strip():
raise ValueError("证据目标名称和标识不能为空")
if not self.allowed_page_types:
self.allowed_page_types = list(permitted)
if any(value not in permitted for value in self.allowed_page_types):
raise ValueError("证据目标的页面类型不能扩大用途权限")
return self
class ScoreLevel(BaseModel):
min: float = Field(ge=0)
max: float = Field(ge=0)
description: str = Field(min_length=1)
class Criterion(BaseModel):
criterion_id: str = Field(min_length=1)
category: str
name: str = Field(min_length=1)
max_score: float = Field(gt=0)
description: str = Field(min_length=1)
linked_objectives: list[str] = Field(default_factory=list)
linked_outcomes: list[str] = Field(default_factory=list)
required_evidence: list[EvidenceTarget | str] = Field(default_factory=list)
score_levels: list[ScoreLevel] = Field(default_factory=list)
@model_validator(mode="after")
def check_levels(self):
ids = [target.target_id if isinstance(target, EvidenceTarget) else f"t{index}"
for index, target in enumerate(self.required_evidence) if not isinstance(target, str) or target.strip()]
if len(ids) != len(set(ids)):
raise ValueError("duplicate evidence target_id")
if not self.score_levels:
raise ValueError(f"{self.criterion_id}: score levels are required")
ranges = sorted(self.score_levels, key=lambda x: x.min)
if ranges[0].min != 0 or ranges[-1].max != self.max_score:
raise ValueError(f"{self.criterion_id}: score levels must cover 0 through max_score")
for previous, current in zip(ranges, ranges[1:]):
if current.min > previous.max + 1 or current.min <= previous.max:
raise ValueError(f"{self.criterion_id}: score levels overlap or have gaps")
return self
class RubricData(BaseModel):
criteria: list[Criterion]
weights: dict[str, float]
@model_validator(mode="after")
def check_weights(self):
expected = {c.category for c in self.criteria}
if not expected or set(self.weights) != expected or abs(sum(self.weights.values()) - 1) > 1e-8 or any(v < 0 for v in self.weights.values()):
raise ValueError("weights must cover all rubric categories and sum to 1")
for category in expected:
if abs(sum(c.max_score for c in self.criteria if c.category == category) - 100) > 1e-8:
raise ValueError(f"{category} criteria must total 100")
ids = [c.criterion_id for c in self.criteria]
if len(set(ids)) != len(ids):
raise ValueError("duplicate criterion_id")
return self
def totals(scores: dict[str, float | None], criteria: list[dict], weights: dict[str, float]):
grouped = {}
for category in weights:
group = [c for c in criteria if c["category"] == category]
values = [scores.get(c["criterion_id"]) for c in group]
grouped[category] = round(sum(values), 2) if values and all(v is not None for v in values) else None
overall = round(sum(grouped[k] * weights[k] for k in weights), 2) if all(v is not None for v in grouped.values()) else None
return {**grouped, "overall": overall}