309 lines
16 KiB
Python
309 lines
16 KiB
Python
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"""Confirmed master data consumed by a capability-pool trial.
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No source mutation: helpers return an immutable-input snapshot and explicit
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admission issues. Work already in progress reserves capacity even if its order
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cannot yet be admitted for new scheduling.
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"""
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from __future__ import annotations
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import copy
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import math
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from datetime import datetime, time, timedelta
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from typing import Any
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def as_datetime(value: Any) -> datetime | None:
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if not value:
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return None
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try:
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return datetime.fromisoformat(str(value)).replace(tzinfo=None)
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except (ValueError, TypeError):
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return None
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def uses_masterdata_constraints(world: dict) -> bool:
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return bool(world.get("planningContext") or world.get("flexPersonnel")
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or world.get("flexWip") or world.get("flexMaintenance")
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or world.get("flexCalendarOverrides"))
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def planning_bounds(world: dict, start_date: str | None) -> tuple[datetime, datetime, datetime]:
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context = world.get("planningContext") or {}
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parameters = world.get("scheduleParams") or {}
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start = as_datetime(context.get("planStart"))
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if not start_date and start is None:
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start_date = context.get("dataDate") or world.get("businessDate")
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if start_date:
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try:
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date = datetime.fromisoformat(start_date).date()
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if "T" in start_date or " " in start_date:
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start = as_datetime(start_date)
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elif start is not None:
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start = datetime.combine(date, start.time())
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else:
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clocks = [time.fromisoformat(str(shift["startTime"]))
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for shift in world.get("flexCalendar") or []
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if shift.get("enabled", True) and shift.get("startTime")]
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if not clocks:
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raise ValueError("缺少启用班次的开始时间")
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start = datetime.combine(date, min(clocks))
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except (ValueError, TypeError) as exc:
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raise ValueError(f"计划开始时间不明确：{exc}") from exc
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if start is None:
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raise ValueError("请明确本次计划开始日期和时间，不使用系统日期代替")
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values = {}
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for key, fallback_key, label, allow_zero in (("horizonDays", "planningHorizonDays", "计划周期（天）", False),
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("freezeHours", "freezeWindowHours", "冻结窗口（小时）", True)):
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raw = context.get(key, parameters.get(fallback_key))
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if raw is None or isinstance(raw, bool):
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raise ValueError(f"请提供{label}")
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number = float(raw)
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if not math.isfinite(number) or number < 0 or (not allow_zero and number == 0):
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raise ValueError(f"{label}无效")
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values[key] = number
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horizon = start + timedelta(days=values["horizonDays"])
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freeze = start + timedelta(hours=values["freezeHours"])
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return start, horizon, freeze
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def qualified_people(world: dict, operation: str, required_level: str | None = None) -> list[dict]:
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levels = (world.get("planningContext") or {}).get("skillLevelOrder") or []
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rank = {level: index for index, level in enumerate(levels)}
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if required_level and required_level not in rank:
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return []
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minimum = rank.get(required_level, 0)
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return [person for person in world.get("flexPersonnel") or []
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if operation in (person.get("skills") or [])
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and person.get("status", "ACTIVE") not in ("INACTIVE", "DISABLED", "LEAVE")
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and (not required_level or rank.get(person.get("skillLevel", ""), -1) >= minimum)]
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# 试排可假设项：这些是「尚未登记/尚未确认」的资料事实。试排草稿可以带着
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# 显式假设继续排，正式排产仍按 error 硬阻断，二者永不互相冒充。
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TRIAL_ASSUMABLE_ISSUES = frozenset({
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"NO_PERSONNEL_SKILL", "WIP_REMAINING_UNCONFIRMED", "WIP_QUANTITY_UNCONFIRMED",
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"WIP_END_UNKNOWN", "WIP_PREDECESSORS_UNCONFIRMED", "WIP_RESOURCE_UNKNOWN",
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"WIP_MATERIAL_HOLD",
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})
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def order_execution_issues(world: dict, order: dict, trial: bool = False) -> list[dict]:
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"""Validate execution facts without fabricating predecessor completion.
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``trial=True`` never invents values. Unconfirmed *registration* facts
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(人员技能未登记、在制进度/前序/设备/缺料未确认) come back with
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``severity="assumption"`` so a draft plan can still be produced, and the
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caller must surface every one of them. Other facts stay ``severity="error"``
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and keep blocking both draft and formal runs.
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"""
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if not uses_masterdata_constraints(world):
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return []
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issues = []
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routes = sorted([r for r in world.get("flexRoutings", [])
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if r.get("productCode") == order.get("productCode")], key=lambda r: r.get("seq", 0))
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records = [r for r in world.get("flexWip", []) if r.get("orderNo") == order.get("orderNo")]
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equipment = {e.get("code") for e in world.get("flexEquipment", [])}
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qty = float(order.get("quantity") or 0)
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done_ops = {r.get("operationCode") for r in records
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if r.get("status") == "DONE" and float(r.get("completedQuantity") or 0) >= qty}
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def issue(code: str, detail: str, **extra):
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severity = "assumption" if trial and code in TRIAL_ASSUMABLE_ISSUES else "error"
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issues.append({"type": code, "severity": severity, "detail": detail,
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"orderNo": order.get("orderNo"), **extra})
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by_operation: dict[str, list[dict]] = {}
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for row in records:
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by_operation.setdefault(row.get("operationCode"), []).append(row)
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for operation, batches in by_operation.items():
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if len(batches) > 1:
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issue("WIP_SPLIT_UNSUPPORTED",
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f"{order.get('orderNo')} 的 {operation} 有多条在制批次，需核对各批数量及后续衔接；当前不会合并或重复全量排产",
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operationCode=operation, taskNos=[r.get("taskNo") for r in batches])
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for row in records:
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op = row.get("operationCode")
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step = next((s for s in routes if s.get("operationCode") == op), None)
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label = row.get("taskNo") or op or "在制任务"
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if not step:
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issue("WIP_ROUTING_UNKNOWN", f"{label} 加工步骤无法关联到该订单工艺", sourceRef=row.get("sourceRef"))
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continue
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if row.get("equipmentCode") not in equipment:
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issue("WIP_RESOURCE_UNKNOWN", f"{label} 设备 {row.get('equipmentCode')} 不在设备档案，请核对", sourceRef=row.get("sourceRef"))
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completed = float(row.get("completedQuantity") or 0)
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if completed < 0 or completed > qty or (row.get("status") == "DONE" and completed < qty):
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issue("WIP_QUANTITY_UNCONFIRMED", f"{label} 已完成量与订单数量不一致，请确认剩余量")
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if row.get("status") == "RUNNING":
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remaining = row.get("remainingQuantity")
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if remaining is None:
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issue("WIP_REMAINING_UNCONFIRMED", f"{label} 正在加工但未确认整道工序剩余量，请核对后再安排下道工序")
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elif not isinstance(remaining, (int, float)) or remaining < 0 or not math.isclose(completed + remaining, qty):
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issue("WIP_QUANTITY_UNCONFIRMED", f"{label} 已完成量加剩余量不等于订单数量，不能将预计完成视为整单完成")
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if row.get("status") == "RUNNING" and not as_datetime(row.get("expectedEnd") or row.get("completionTime")):
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issue("WIP_END_UNKNOWN", f"{label} 正在加工但缺预计结束时间，该设备暂不安排其他任务")
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if row.get("status") == "MATERIAL_BLOCKED":
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issue("WIP_MATERIAL_HOLD", f"{label} 仍标记缺料，请确认物料到齐后解除等待")
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if row.get("status") in ("RUNNING", "WAITING", "DONE") and not row.get("predecessorsConfirmed"):
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missing = [s.get("operationCode") for s in routes
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if s.get("seq", 0) < step.get("seq", 0) and s.get("operationCode") not in done_ops]
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if missing:
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issue("WIP_PREDECESSORS_UNCONFIRMED", f"{label} 前序 {', '.join(missing)} 的完成量未确认，请核对后续排范围")
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if "flexPersonnel" in world:
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for step in routes:
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op = step.get("operationCode")
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if op in done_ops:
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continue
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if not qualified_people(world, op, step.get("requiredSkillLevel")):
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issue("NO_PERSONNEL_SKILL", f"{order.get('orderNo')} 的 {step.get('operationName') or op} 没有已登记合格人员，请补充人员技能", operationCode=op)
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return issues
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def bom_requirement(bom: dict, quantity: float) -> float:
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return float(bom.get("quantity") or 0) * quantity * (1 + max(0, float(bom.get("lossRate") or 0)))
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def calendar_intervals(world: dict, equipment_code: str, day: datetime,
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shift_code: str | None = None) -> list[tuple[datetime, datetime]]:
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"""Materialize a date, respecting disabled shifts, per-shift weekdays and overrides."""
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date = day.date().isoformat()
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override = next((r for r in world.get("flexCalendarOverrides", [])
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if r.get("equipmentCode") == equipment_code and r.get("date") == date), None)
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shifts = override.get("shifts", []) if override is not None else world.get("flexCalendar", [])
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out = []
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for shift in shifts:
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if shift.get("enabled", True) is False or shift.get("status") in ("DISABLED", "INACTIVE", "CLOSED"):
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continue
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if shift_code and (shift.get("code") or shift.get("shiftCode")) not in (None, shift_code):
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continue
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if override is None and day.isoweekday() not in shift.get("workdays", []):
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continue
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start_text, end_text = shift.get("startTime") or shift.get("start"), shift.get("endTime") or shift.get("end")
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if not start_text or not end_text:
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continue
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start = as_datetime(date + " " + start_text)
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end = as_datetime(date + " " + end_text)
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if start is None or end is None:
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continue
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overnight = end <= start
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if overnight:
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end += timedelta(days=1)
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segments = [(start, end)]
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for pause in shift.get("breaks", []):
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ps = as_datetime(date + " " + pause["start"])
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pe = as_datetime(date + " " + pause["end"])
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if ps is None or pe is None:
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continue
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if overnight and ps < start:
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ps += timedelta(days=1)
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if overnight and pe < start:
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pe += timedelta(days=1)
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if pe <= ps:
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pe += timedelta(days=1)
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next_segments = []
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for a, b in segments:
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if ps >= b or pe <= a:
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next_segments.append((a, b))
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else:
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if a < ps:
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next_segments.append((a, ps))
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if pe < b:
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next_segments.append((pe, b))
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segments = next_segments
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out.extend(segments)
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return sorted(out)
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def execution_reservations(world: dict, start: datetime, horizon: datetime) -> dict[int, list[tuple[datetime, datetime]]]:
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equipment = {e.get("code"): e.get("id") for e in world.get("flexEquipment", [])}
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busy: dict[int, list[tuple[datetime, datetime]]] = {}
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for row in world.get("flexMaintenance", []):
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if row.get("status") in ("CANCELLED", "COMPLETED"):
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continue
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eid = equipment.get(row.get("equipmentCode"))
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a, b = as_datetime(row.get("start")), as_datetime(row.get("end"))
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if eid is not None and a and b and b > a:
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busy.setdefault(eid, []).append((a, b))
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for row in world.get("flexWip", []):
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if row.get("status") != "RUNNING":
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continue
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eid = equipment.get(row.get("equipmentCode"))
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if eid is not None:
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a = as_datetime(row.get("actualStart")) or start
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b = as_datetime(row.get("expectedEnd") or row.get("completionTime")) or horizon
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if b > a:
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busy.setdefault(eid, []).append((a, b))
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return busy
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def execution_people_reservations(world: dict, start: datetime, horizon: datetime) -> dict:
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"""Unknown WIP operator reserves its eligible pool conservatively, without assigning an identity."""
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busy: dict[str, list[tuple[datetime, datetime]]] = {}
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for row in world.get("flexWip", []):
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if row.get("status") != "RUNNING":
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continue
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end = as_datetime(row.get("expectedEnd") or row.get("completionTime")) or horizon
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if end <= start:
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continue
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codes = [row["personCode"]] if row.get("personCode") else [
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p["code"] for p in qualified_people(world, row.get("operationCode"))]
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for code in codes:
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busy.setdefault(code, []).append((start, end))
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return busy
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def frozen_assignments(world: dict, start: datetime, freeze: datetime) -> list[dict]:
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versions = [v for v in world.get("flexScheduleVersions", [])
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if v.get("status") in ("APPROVED", "PUBLISHED", "RELEASED")]
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if not versions or freeze <= start:
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return []
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vid = versions[-1]["id"]
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return [copy.deepcopy(w) for w in world.get("flexWorkOrders", [])
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if w.get("versionId") == vid and (as_datetime(w.get("plannedStartTime")) or freeze) < freeze
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and (as_datetime(w.get("plannedEndTime")) or start) > start]
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def place_masterdata_slot(world: dict, equipment: dict, operation: str,
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cursor: datetime, duration: float, horizon: datetime,
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eq_busy: dict, people_busy: dict,
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required_level: str | None = None,
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allow_unassigned_person: bool = False) -> dict | None:
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"""Reserve working segments with a single eligible person; no hard-placement fallback.
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Equipment/person reservations may span breaks. Work segments never include
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breaks, closed shifts or maintenance. A job is restarted after a capacity
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collision rather than silently overlapping an existing execution.
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``allow_unassigned_person`` is the trial-only escape hatch for operations
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without any registered qualified person: the slot is placed on the
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equipment calendar alone and no person is reserved, so the draft never
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fabricates an operator identity.
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"""
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people = qualified_people(world, operation, required_level) if "flexPersonnel" in world else [None]
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if not people and allow_unassigned_person:
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people = [None]
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best = None
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for person in people:
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person_code = person.get("code") if person else None
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reservations = list(eq_busy.get(equipment["id"], [])) + list(people_busy.get(person_code, []))
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t, remaining, segments = cursor.replace(second=0, microsecond=0), max(1, math.ceil(duration)), []
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while t < horizon and remaining > 1e-7:
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intervals = calendar_intervals(world, equipment["code"], t, person.get("shiftCode") if person else None)
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intervals += calendar_intervals(world, equipment["code"], t - timedelta(days=1), person.get("shiftCode") if person else None)
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active = next(((a, b) for a, b in intervals if a <= t < b), None)
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if active is None:
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future = [a for a, _ in intervals if a > t]
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t = min(future) if future else (t + timedelta(days=1)).replace(hour=0, minute=0)
|
||
|
|
continue
|
||
|
|
end = min(active[1], horizon, t + timedelta(minutes=remaining))
|
||
|
|
collision = [(a, b) for a, b in reservations if t < b and end > a]
|
||
|
|
if collision:
|
||
|
|
t = max(b for _, b in collision)
|
||
|
|
remaining, segments = max(1, math.ceil(duration)), []
|
||
|
|
continue
|
||
|
|
segments.append((t, end))
|
||
|
|
remaining -= (end - t).total_seconds() / 60
|
||
|
|
t = end
|
||
|
|
if remaining <= 1e-7 and segments:
|
||
|
|
result = {"start": segments[0][0], "end": segments[-1][1],
|
||
|
|
"segments": segments, "personCode": person_code}
|
||
|
|
if best is None or result["end"] < best["end"]:
|
||
|
|
best = result
|
||
|
|
return best
|