File size: 7,491 Bytes
3dfd4ca | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | from __future__ import annotations
import json
import re
from typing import Any
from src.domain import Family, InventoryInstance
def extract_json(text: str) -> dict[str, Any] | None:
if not text or not str(text).strip():
return None
raw = str(text).strip()
candidates = [raw]
fenced = re.findall(r"```(?:json)?\s*(\{.*?\})\s*```", raw, flags=re.S)
candidates.extend(fenced)
start = raw.find("{")
end = raw.rfind("}")
if start >= 0 and end > start:
candidates.append(raw[start : end + 1])
for item in candidates:
try:
payload = json.loads(item)
except json.JSONDecodeError:
continue
if isinstance(payload, dict) and payload:
if "schema_payload" in payload and isinstance(payload["schema_payload"], dict):
return payload["schema_payload"]
return payload
return None
def extract_template(text: str, family: Family | str) -> dict[str, Any] | None:
family = Family(family)
if not text:
return None
labeled = _extract_labeled_blocks(text)
if labeled:
return labeled
if family == Family.INVENTORY:
return _extract_inventory_prose(text)
return None
def _extract_labeled_blocks(text: str) -> dict[str, Any] | None:
blocks = re.findall(r"SCHEMA_BEGIN\s*(\{.*?\})\s*SCHEMA_END", text, flags=re.S)
for block in blocks:
try:
payload = json.loads(block)
except json.JSONDecodeError:
continue
if isinstance(payload, dict):
return payload
return None
def _extract_inventory_prose(text: str) -> dict[str, Any] | None:
budget = _first_int(text, r"(?:BUDGET|budget|بودجه)\s*[:=]?\s*(\d+)")
capacity = _first_int(text, r"(?:CAPACITY|capacity|ظرفیت انبار)\s*[:=]?\s*(\d+)")
periods = _first_int(text, r"(?:PERIODS|periods|دوره)\s*[:=]?\s*(\d+)")
cover = bool(re.search(r"COVER_REQUIRED:\s*1|cover is required|پوشش کامل الزامی", text, flags=re.I))
sku_lines = re.findall(
r"SKU\s+([A-Za-z0-9_-]+).*?demand=([0-9,]+).*?pack=(\d+).*?cost=(\d+).*?hold=(\d+).*?short=(\d+).*?stock=(\d+)",
text,
flags=re.I,
)
if budget is None or not sku_lines:
return None
skus = []
for sku_id, demand, pack, cost, hold, short, stock in sku_lines:
values = [int(item) for item in demand.split(",") if item.strip().isdigit()]
skus.append(
{
"sku_id": sku_id,
"name": sku_id,
"demand": values,
"initial_stock": int(stock),
"unit_cost": int(cost),
"holding_cost": int(hold),
"shortage_cost": int(short),
"pack_size": int(pack),
"lead_time": 0,
}
)
periods = periods or (len(skus[0]["demand"]) if skus else 0)
try:
InventoryInstance.model_validate(
{
"periods": periods,
"budget": budget,
"warehouse_capacity": capacity if capacity is not None else 10**6,
"cover_required": cover,
"lost_sales": True,
"skus": skus,
}
)
except Exception:
return None
return {
"periods": periods,
"budget": budget,
"warehouse_capacity": capacity if capacity is not None else 10**6,
"cover_required": cover,
"lost_sales": True,
"skus": skus,
}
def _first_int(text: str, pattern: str) -> int | None:
match = re.search(pattern, text, flags=re.I)
if not match:
return None
return int(match.group(1))
def flatten_facts(family: Family | str, payload: dict) -> dict[str, str]:
family = Family(family)
facts: dict[str, str] = {}
if family == Family.INVENTORY:
facts["periods"] = str(payload.get("periods"))
facts["budget"] = str(payload.get("budget"))
facts["warehouse_capacity"] = str(payload.get("warehouse_capacity"))
facts["cover_required"] = str(bool(payload.get("cover_required")))
for sku in payload.get("skus") or []:
key = sku.get("sku_id")
facts[f"{key}.demand"] = ",".join(str(int(v)) for v in sku.get("demand") or [])
facts[f"{key}.pack"] = str(sku.get("pack_size"))
facts[f"{key}.cost"] = str(sku.get("unit_cost"))
facts[f"{key}.stock"] = str(sku.get("initial_stock"))
facts[f"{key}.hold"] = str(sku.get("holding_cost"))
facts[f"{key}.short"] = str(sku.get("shortage_cost"))
elif family == Family.ASSIGNMENT:
facts["n_tasks"] = str(len(payload.get("tasks") or []))
facts["n_agents"] = str(len(payload.get("agents") or []))
for task in payload.get("tasks") or []:
facts[f"task.{task.get('task_id')}.size"] = str(task.get("size"))
facts[f"task.{task.get('task_id')}.required"] = str(bool(task.get("required")))
facts[f"task.{task.get('task_id')}.skills"] = ",".join(sorted(task.get("skills") or []))
for agent in payload.get("agents") or []:
facts[f"agent.{agent.get('agent_id')}.cap"] = str(agent.get("capacity"))
facts[f"agent.{agent.get('agent_id')}.skills"] = ",".join(sorted(agent.get("skills") or []))
for row in payload.get("costs") or []:
facts[f"cost.{row.get('task_id')}.{row.get('agent_id')}"] = str(row.get("cost"))
else:
facts["machines"] = ",".join(payload.get("machines") or [])
for job in payload.get("jobs") or []:
jid = job.get("job_id")
facts[f"job.{jid}.dur"] = str(job.get("duration"))
facts[f"job.{jid}.rel"] = str(job.get("release"))
facts[f"job.{jid}.due"] = str(job.get("due"))
facts[f"job.{jid}.w"] = str(job.get("weight"))
facts[f"job.{jid}.hard"] = str(bool(job.get("hard_due")))
facts[f"job.{jid}.m"] = ",".join(sorted(job.get("machine_eligible") or []))
for idx, edge in enumerate(payload.get("precedences") or []):
facts[f"pred.{idx}"] = f"{edge.get('before')}->{edge.get('after')}"
return facts
def constraint_fidelity(family: Family | str, gold: dict, extracted: dict | None) -> float | None:
if extracted is None:
return 0.0
gold_facts = flatten_facts(family, gold)
got = flatten_facts(family, extracted)
if not gold_facts:
return 1.0
hits = sum(1 for key, value in gold_facts.items() if got.get(key) == value)
return hits / len(gold_facts)
def drop_constraint(family: Family | str, payload: dict, prompt: str) -> tuple[dict, str]:
family = Family(family)
clone = json.loads(json.dumps(payload))
if family == Family.INVENTORY:
clone["budget"] = 10**9
stripped = re.sub(r"(BUDGET|budget|بودجه)\s*[:=]?\s*\d+", "BUDGET omitted", prompt)
return clone, stripped
if family == Family.ASSIGNMENT:
for agent in clone.get("agents") or []:
agent["capacity"] = 10**6
stripped = re.sub(r"(capacity|ظرفیت)\s*[:=]?\s*\d+", "capacity omitted", prompt, flags=re.I)
return clone, stripped
for job in clone.get("jobs") or []:
job["hard_due"] = False
job["due"] = job.get("due", 0) + 10**4
stripped = re.sub(r"(hard due|موعد سخت)", "due relaxed", prompt, flags=re.I)
return clone, stripped
|