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df455fc ba2cf79 df455fc ba2cf79 df455fc ba2cf79 df455fc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | from __future__ import annotations
import json
import random
from dataclasses import dataclass
from pathlib import Path
from typing import Any, Iterable
from .utils.reward_models import SourceDocument, SourcePack, TaskConstraints
DEFAULT_THEME = {
"bg": "#F8FAFC",
"surface": "#FFFFFF",
"accent": "#2563EB",
"primary": "#0F172A",
"secondary": "#475569",
"font": "Aptos",
"title_size": 28,
"body_size": 16,
"caption_size": 10,
}
_DATA_PATH = Path(__file__).with_name("data.json")
@dataclass(frozen=True, slots=True)
class TaskScenario:
task_id: str
difficulty: str
prompt_text: str
source_pack: SourcePack
task_constraints: TaskConstraints
theme: dict[str, Any]
class TaskRegistry:
def __init__(self, scenarios: Iterable[TaskScenario]):
ordered_scenarios = tuple(scenarios)
if not ordered_scenarios:
raise ValueError("TaskRegistry requires at least one scenario")
scenarios_by_id = {scenario.task_id: scenario for scenario in ordered_scenarios}
if len(scenarios_by_id) != len(ordered_scenarios):
raise ValueError("TaskRegistry task ids must be unique")
self._ordered_scenarios = ordered_scenarios
self._scenarios_by_id = scenarios_by_id
def __len__(self) -> int:
return len(self._ordered_scenarios)
def all(self) -> tuple[TaskScenario, ...]:
return self._ordered_scenarios
def get(self, task_id: str) -> TaskScenario:
try:
return self._scenarios_by_id[task_id]
except KeyError as error:
raise KeyError(f"Unknown task id '{task_id}'") from error
def by_difficulty(self, difficulty: str) -> tuple[TaskScenario, ...]:
normalized = difficulty.strip().lower()
matches = tuple(
scenario
for scenario in self._ordered_scenarios
if scenario.difficulty.lower() == normalized
)
if not matches:
raise KeyError(f"Unknown difficulty '{difficulty}'")
return matches
def sample(
self,
rng: random.Random,
*,
difficulty: str | None = None,
) -> TaskScenario:
candidates = (
self.by_difficulty(difficulty)
if difficulty is not None
else self._ordered_scenarios
)
return rng.choice(candidates)
def _load_raw_scenarios() -> list[dict[str, Any]]:
payload = json.loads(_DATA_PATH.read_text(encoding="utf-8"))
scenarios = payload.get("scenarios")
if not isinstance(scenarios, list) or not scenarios:
raise ValueError("server/data.json must contain a non-empty 'scenarios' list")
return scenarios
def _build_source_document(payload: dict[str, Any]) -> SourceDocument:
pages_payload = payload.get("pages")
pages = None
if isinstance(pages_payload, list):
pages = [str(item).strip() for item in pages_payload if str(item).strip()]
if not pages:
pages = None
return SourceDocument(
doc_id=str(payload["doc_id"]),
title=str(payload["title"]),
path=payload.get("path"),
mime_type=str(payload.get("mime_type", "text/plain")),
text=str(payload["text"]).strip() if payload.get("text") is not None else None,
pages=pages,
images=payload.get("images"),
metadata=(
payload.get("metadata") if isinstance(payload.get("metadata"), dict) else {}
),
)
def _build_task_constraints(payload: dict[str, Any]) -> TaskConstraints:
return TaskConstraints(
min_slides=payload.get("min_slides"),
max_slides=payload.get("max_slides"),
target_audience=payload.get("target_audience"),
tone=payload.get("tone"),
extra_constraints=(
payload.get("extra_constraints")
if isinstance(payload.get("extra_constraints"), dict)
else {}
),
)
def _build_scenario(payload: dict[str, Any]) -> TaskScenario:
task_id = str(payload["task_id"])
difficulty = str(payload["difficulty"]).lower()
source_pack_payload = payload.get("source_pack")
source_documents = None
source_pack_brief = None
if isinstance(source_pack_payload, dict):
source_documents = source_pack_payload.get("documents")
brief = source_pack_payload.get("brief")
if isinstance(brief, str) and brief.strip():
source_pack_brief = brief.strip()
else:
source_documents = payload.get("source_documents")
if not isinstance(source_documents, list) or not source_documents:
raise ValueError(
f"Scenario '{task_id}' must define source_pack.documents or source_documents"
)
source_pack = SourcePack(
task_id=task_id,
documents=[_build_source_document(item) for item in source_documents],
brief=source_pack_brief,
metadata={
**(
payload.get("metadata")
if isinstance(payload.get("metadata"), dict)
else {}
),
"difficulty": difficulty,
},
)
return TaskScenario(
task_id=task_id,
difficulty=difficulty,
prompt_text=str(payload["prompt_text"]),
source_pack=source_pack,
task_constraints=_build_task_constraints(payload.get("task_constraints") or {}),
theme={**DEFAULT_THEME, **dict(payload.get("theme") or {})},
)
def _load_default_task_registry() -> TaskRegistry:
return TaskRegistry(_build_scenario(item) for item in _load_raw_scenarios())
DEFAULT_TASK_REGISTRY = _load_default_task_registry()
__all__ = [
"DEFAULT_TASK_REGISTRY",
"DEFAULT_THEME",
"TaskRegistry",
"TaskScenario",
]
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