Ross
344 lines
10 KiB
Python
344 lines
10 KiB
Python
from pyomo.environ import *
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from pyomo.opt import SolverFactory
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from shifts import SingleShift, RotaBuilder, RotaResults, days
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from workers import Worker
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from copy import deepcopy
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import math
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import scipy.stats as stats
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import statistics
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import datetime
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import itertools
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import operator
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use_neos = False
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weeks_to_rota = 26
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time_to_run = 152000
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allow = 2000
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sites = ("truro", "exeter", "torquay", "barnstaple", "plymouth")
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Rota = RotaBuilder(datetime.date(2020, 9, 7),
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weeks_to_rota=weeks_to_rota,
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balance_offset_modifier=1,
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max_weekend_frequency=2,
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max_night_frequency=2)
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Rota.constraint_options["limit_to_1_st1_on_nights"] = True
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Rota.constraint_options["ensure_1_st4_plus_on_nights"] = True
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Rota.constraint_options["balance_nights"] = True
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Rota.constraint_options["constrain_time_off_after_nights"] = True
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Rota.constraint_options["balance_nights_across_sites"] = True
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Rota.constraint_options["balance_blocks"] = True
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Rota.constraint_options["balance_weekends"] = True
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Rota.constraint_options["avoid_st1_first_month"] = True
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Rota.constraint_options["max_weekends"] = 10
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Rota.constraint_options["prevent_monday_and_tuesday_after_full_weekends"] = [
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"truro", "torquay", "exeter"
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]
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Rota.constraint_options["prevent_monday_after_full_weekends"] = ["plymouth"]
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Rota.constraint_options["prevent_fridays_before_full_weekends"] = ["plymouth"]
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Rota.constraint_options["prevent_thursdays_before_full_weekends"] = [
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"truro", "torquay", "exeter"
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]
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Rota.add_shifts(
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SingleShift(("exeter", ), "exeter_twilight", 12.5, days[:4]),
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SingleShift(("truro", ), "truro_twilight", 12.5, days[:4]),
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SingleShift(("torquay", ),
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"torquay_twilight",
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12.5,
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days[:4],
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assign_as_block=True),
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SingleShift(("plymouth", ),
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"plymouth_twilight",
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12.5,
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days[:5],
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workers_required=1,
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constraints=["max_2_consecutive_shifts_per_week"]),
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SingleShift(("exeter", ),
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"weekend_exeter",
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12.5,
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days[4:],
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rota_on_nwds=True,
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force_as_block=True),
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SingleShift(("truro", ),
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"weekend_truro",
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12.5,
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days[4:],
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balance_offset=1,
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rota_on_nwds=True,
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force_as_block=True),
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SingleShift(("torquay", ),
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"weekend_torquay",
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12.5,
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days[4:],
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rota_on_nwds=True,
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force_as_block=True),
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SingleShift(("plymouth", ),
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"weekend_plymouth1",
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8,
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days[5:],
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workers_required=1,
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rota_on_nwds=True,
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force_as_block=True),
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SingleShift(("plymouth", ),
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"weekend_plymouth2",
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8,
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days[5:],
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workers_required=1,
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rota_on_nwds=True,
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force_as_block=True),
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SingleShift(
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(sites),
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"night_weekday",
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12.25,
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days[:4],
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balance_offset=4,
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balance_weighting=1,
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#hard_constrain_shift=False,
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workers_required=3,
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force_as_block=False,
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rota_on_nwds=True,
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constraints=["night"]),
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SingleShift(
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(sites),
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"night_weekend",
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12.25,
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days[4:],
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balance_offset=4,
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balance_weighting=1,
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#hard_constrain_shift=False,
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workers_required=3,
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force_as_block=False,
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rota_on_nwds=True,
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constraints=["night"]),
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)
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use_test_workers = False
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load_leave = True
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Rota.build_shifts_and_workers()
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if load_leave:
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import leave
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leave, requests, site_prefs = leave.load_leave(Rota)
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# Import trainee data
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if use_test_workers:
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# Rota.add_workers([
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# Worker(Rota,
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# i,
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# "Truro {}".format(i),
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# "truro",
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# 3,
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# nwd=['Fri', "Sat", "Sun"]) for i in range(1, 2)
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# ])
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Rota.add_workers([
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Worker(
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Rota,
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i,
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"Truro {}".format(i),
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"truro",
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4,
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) for i in range(1, 9)
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])
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Rota.add_workers([
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Worker(Rota, i, "Plym {}".format(i), "plymouth", 4, 50)
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for i in range(9, 17)
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])
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Rota.add_workers([
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Worker(Rota,
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i,
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"Plym {}".format(i),
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"plymouth",
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4,
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80,
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end_date="2020/10/05") for i in range(17, 19)
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])
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# Rota.add_workers([
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# Worker(
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# Rota,
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# i,
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# "Exe {}".format(i),
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# "exeter",
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# 4,
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# ) for i in range(20, 25)
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# ])
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# Rota.add_workers([
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# Worker(
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# Rota,
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# i,
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# "Torq {}".format(i),
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# "torquay",
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# 2,
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# 50,
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# ) for i in range(25, 29)
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# ])
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else:
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import csv
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with open('trainees.csv', newline='') as f:
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reader = csv.reader(f, delimiter=',', quotechar='|')
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next(reader) # skip header
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n = 0
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for row in reader:
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n = n + 1
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name, site, grade, fte, nwd, end_date, oop, extra = row
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# Ignore trainees if fte == 0 (what are they doing here anyway)
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if int(fte) < 1:
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continue
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nwds = nwd.split("/") if nwd else None
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end_date = end_date if end_date else None
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oop = oop.split("-") if oop else None
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leave_requests = []
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if load_leave:
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if name not in leave:
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raise ValueError(
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"{} not found it leave requests".format(name))
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leave_requests = [i[0] for i in leave[name] if i[0] != ""]
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work_requests = [i for i in requests[name] if i[0] != ""]
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site_pref = int(site_prefs[name][0])
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#print(nwds, end_date, oop)
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# Rota.add_worker(
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# Worker(Rota, n, name, site.lower(), int(grade[2]), 100,
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# ))
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# if name.startswith(("Alex", "Michal", "Ross")):
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# Rota.add_worker(
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# Worker(Rota,
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# n,
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# name,
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# site.lower(),
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# int(grade[2]),
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# int(fte),
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# nwds,
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# end_date,
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# oop,
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# work_requests=(("2020/09/07", "night_weekday"), )))
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# continue
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# if "Salma" in name:
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# Rota.add_worker(
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# Worker(Rota,
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# n,
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# name,
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# site.lower(),
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# int(grade[2]),
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# int(fte),
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# nwds,
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# end_date,
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# oop,
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# work_requests=(("2020/12/25",
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# "exeter_twilight"), )))
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# continue
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Rota.add_worker(
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Worker(Rota,
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n,
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name,
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site.lower(),
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int(grade[2]),
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int(fte),
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nwds,
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end_date,
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oop,
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not_available_to_work=leave_requests,
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work_requests=work_requests,
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night_at_derriford=site_pref))
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print("Building model")
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Rota.build_shifts_and_workers()
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Rota.build_model()
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#print(Rota.get_worker_details())
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print("Setting up solver")
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opt = SolverFactory('cbc') # choose a solver
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#opt = SolverFactory('ipopt') # choose a solver
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print("Solving")
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if use_neos:
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solver_manager = SolverManagerFactory('neos') # Solve in neos server
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results = solver_manager.solve(Rota.model, opt=opt, logfile="test.log")
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else:
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results = opt.solve(
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Rota.model,
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tee=True,
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options={
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"seconds": time_to_run,
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"allow": allow,
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"threads": 4,
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},
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logfile="test.log"
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) # solve the model with the, options="seconds=60" selected solver
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print(results)
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results.solver.status
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if not results.solver.status:
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sys.exit(0)
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ResultsHolder = RotaResults(Rota, results)
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week_table = ResultsHolder.get_work_table() # list with the required workers
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worker_timetable = ResultsHolder.get_worker_timetable()
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worker_timetable_brief = ResultsHolder.get_worker_timetable_brief(
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show_prefs=False, show_unavailable=False)
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#print(worker_timetable_brief)
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#print(Rota.get_workers_total_fte())
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ResultsHolder.get_weekend_details()
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#ResultsHolder.get_night_details()
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with open("test.html", "w") as f:
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f.write(ResultsHolder.get_worker_timetable_html(True))
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ResultsHolder.export_rota_to_csv()
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# for i in ResultsHolder.rota.model.blocks_worker_shift_count:
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# n = ResultsHolder.rota.model.blocks_worker_shift_count[i].value
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# if n > 0:
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# print(i, n)
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# #print(ResultsHolder.rota.model.blocks_assigned[i].value)
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# else:
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# pass
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# #print("SHIT")
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# for i in ResultsHolder.rota.model.blocks_assigned:
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# n = ResultsHolder.rota.model.blocks_assigned[i].value
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# if n:
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# print(i, n)
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# #print(ResultsHolder.rota.model.blocks_assigned[i].value)
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# else:
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# pass
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# ResultsHolder.export_rota_to_csv("rotas/"+rot)
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# with open("cest", "a") as f:
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# f.write(rot)
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# f.write("\n\n")
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# for s in Rota.shifts:
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# f.write(s.get_shift_summary())
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# f.write("\n")
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# f.write("\n\n")
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# f.write(worker_timetable_brief)
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# f.write("\n\n\n")
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#workers_no_pref = ResultsHolder.get_no_preference(Rota.model.no_pref) # list with the non-satisfied workers (work on Sat but not on Sun)
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# worker_night_block = ResultsHolder.get_night_blocks()
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# worker_shift_summary = ResultsHolder.get_shift_summary()
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# multi = ResultsHolder.get_multinight()
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#break
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