many improvements

This commit is contained in:
Ross
2022-01-27 23:39:22 +00:00
parent a34631bc22
commit 8d6208de73
4 changed files with 754 additions and 350 deletions
+1 -1
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@@ -47,7 +47,7 @@ Rota.constraint_options["constrain_time_off_after_nights"] = True
Rota.constraint_options["balance_nights_across_sites"] = True
Rota.constraint_options["balance_blocks"] = True
Rota.constraint_options["balance_weekends"] = True
Rota.constraint_options["balance_shifts"] = True
Rota.constraint_options["balance_shifts_over_workers"] = True
Rota.constraint_options["balance_bank_holidays"] = True
Rota.constraint_options["avoid_st2_first_month"] = False
Rota.constraint_options["hard_constrain_pair_separation"] = True
+1 -1
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@@ -47,7 +47,7 @@ Rota.constraint_options["constrain_time_off_after_nights"] = True
Rota.constraint_options["balance_nights_across_sites"] = True
Rota.constraint_options["balance_blocks"] = True
Rota.constraint_options["balance_weekends"] = True
Rota.constraint_options["balance_shifts"] = True
Rota.constraint_options["balance_shifts_over_workers"] = True
Rota.constraint_options["balance_bank_holidays"] = True
Rota.constraint_options["avoid_st2_first_month"] = False
Rota.constraint_options["hard_constrain_pair_separation"] = True
+407 -333
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+345 -15
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@@ -1,6 +1,6 @@
from black import main
import pytest
from shifts import NoWorkers, RotaBuilder, RotaResults, SingleShift, days
from shifts import NoWorkers, RotaBuilder, SingleShift, days
import datetime
@@ -27,8 +27,10 @@ class TestDemoRota:
Rota.constraint_options["constrain_time_off_after_nights"] = False
Rota.constraint_options["balance_nights_across_site"] = False
Rota.constraint_options["balance_shifts"] = True
Rota.constraint_options["balance_shifts_over_workers"] = True
Rota.constraint_options["balance_nights"] = False
Rota.constraint_options["minimise_shift_diffs"] = True
Rota.constraint_options["minimise_shift_diffs"] = False
Rota.constraint_options["balance_blocks"] = False
#Rota.constraint_options["balance_weekends"] = False
# Add a few workers
@@ -52,7 +54,7 @@ class TestDemoRota:
workers_required=1,
# We use a different balance weighting for each shift as otherwise
# the shifts can be treated equally (and no target diff)
balance_weighting=0.5,
#balance_weighting=0.6,
),
SingleShift(("group1",), "weekend", 12.5, days[5:], balance_offset=40,
#balance_weighting=0.5
@@ -80,15 +82,17 @@ class TestDemoRota:
# result.Solver.Status = SolverStatus.warning
# prob.solutions.load_from(result)
ResultsHolder = RotaResults(Rota)
#worker_timetable_brief = Rota.get_worker_timetable_brief(
# show_prefs=False, show_unavailable=False
#)
#print(worker_timetable_brief)
#print(Rota.get_shift_summary_dict())
Rota.export_rota_to_html("test2")
worker_timetable_brief = ResultsHolder.get_worker_timetable_brief(
show_prefs=False, show_unavailable=False
)
print(worker_timetable_brief)
ResultsHolder.export_rota_to_html("test")
def test_optimal_solution(self):
assert self.Rota.results.solver.status == "ok"
assert self.Rota.results.solver.termination_condition == "optimal"
def test_start_date(self):
assert self.Rota.start_date == self.start_date
@@ -145,23 +149,349 @@ class TestDemoRota:
case _:
assert 1 == 0
def test_worker_shift_targets(self):
shift_number = self.Rota.get_shift_summary_dict()
for worker in self.Rota.workers:
match worker.site:
case "group1":
assert shift_number[worker.name]["weekday"] == 10
assert shift_number[worker.name]["weekend"] == 5
case "group2":
assert shift_number[worker.name]["weekend"] == 0
match worker.fte:
case 60:
assert shift_number[worker.name]["weekday"] == 6
case 40:
assert shift_number[worker.name]["weekday"] == 4
case _:
assert 1 == 0
case _:
assert 1 == 0
def test_rota_sites(self):
assert self.Rota.sites == {"group1", "group2"}
class TestDemoRotaNights:
# Set up rota
weeks_to_rota = 12
start_date = datetime.date(2022, 3, 14)
class TestNoWorkerRota:
Rota = RotaBuilder(
start_date,
weeks_to_rota=weeks_to_rota,
balance_offset_modifier=1,
max_weekend_frequency=1,
)
Rota.constraint_options["max_shifts_per_week"] = 5
Rota.constraint_options["max_shifts_per_month"] = 31
Rota.constraint_options["ensure_derriford_reg_for_nights"] = False
Rota.constraint_options["limit_to_1_st2_on_nights"] = False
Rota.constraint_options["ensure_1_st4_plus_on_nights"] = False
Rota.constraint_options["constrain_time_off_after_nights"] = False
Rota.constraint_options["balance_nights_across_site"] = False
Rota.constraint_options["balance_shifts"] = True
Rota.constraint_options["balance_shifts_over_workers"] = True
Rota.constraint_options["balance_nights"] = False
Rota.constraint_options["minimise_shift_diffs"] = False
Rota.constraint_options["balance_blocks"] = False
#Rota.constraint_options["balance_weekends"] = False
# Add a few workers
worker1 = Worker(Rota, "worker1", "group1", 1)
worker2 = Worker(Rota, "worker2", "group1", 1)
worker3 = Worker(Rota, "worker3", "group1", 1)
worker4 = Worker(Rota, "worker4", "group1", 1)
worker5 = Worker(Rota, "worker5", "group2", 1, fte=60)
worker6 = Worker(Rota, "worker6", "group2", 1, fte=40)
worker7 = Worker(Rota, "worker7", "group2", 1)
worker8 = Worker(Rota, "worker8", "group2", 1)
Rota.add_workers((worker1, worker2, worker3, worker4, worker5, worker6, worker7, worker8))
# Add a weekday and weekend shift
Rota.add_shifts(
SingleShift(
("group1", "group2"),
"night_weekday",
12.5,
days[:4],
balance_offset=10,
workers_required=1,
constraints=["preclear2", "postclear2"],
#constraints=["night"],
force_as_block=True
# We use a different balance weighting for each shift as otherwise
# the shifts can be treated equally (and no target diff)
#balance_weighting=0.6,
),
SingleShift(("group1","group2"), "night_weekend", 12.5, days[4:], balance_offset=40,
#balance_weighting=0.5
constraints=["preclear2", "postclear2"],
#constraints=["night"],
force_as_block=True
),
SingleShift(("group1","group2"), "twilight", 12.5, days[:5], balance_offset=40,
#balance_weighting=0.5
workers_required=2,
#constraints=["preclear2", "postclear2"],
),
#SingleShift(("group1","group2"), "atwilight", 12.5, days[:5], balance_offset=40,
##balance_weighting=0.5
#workers_required=2,
# #constraints=["postclear2"],
#),
)
Rota.build_shifts()
Rota.build_workers()
Rota.build_model()
print(Rota.get_worker_details())
for w in Rota.get_workers():
print(w)
print(w.get_shift_targets())
solver_options = {"ratio": 0.1, "seconds": 1000, "threads": 10}
Rota.solve_model(options=solver_options)
# print(Rota.get_worker_details())
# optimizer = SolverFactory('cbc')
# result = optimizer.solve(prob,tee=True)
# result.Solver.Status = SolverStatus.warning
# prob.solutions.load_from(result)
worker_timetable_brief = Rota.get_worker_timetable_brief(
show_prefs=False, show_unavailable=False
)
print(worker_timetable_brief)
print(Rota.get_shift_summary_dict())
Rota.export_rota_to_html("test3")
print(Rota.get_worker_shift_list(worker1))
def test_start_date(self):
assert self.Rota.start_date == self.start_date
class TestDemoRotaClear:
weeks_to_rota = 10
start_date = datetime.date(2022, 3, 7)
Rota = RotaBuilder(
start_date,
weeks_to_rota=weeks_to_rota,
balance_offset_modifier=1,
max_weekend_frequency=1,
)
#Rota.constraint_options["max_shifts_per_week"] = 5
Rota.constraint_options["max_shifts_per_month"] = 20
#Rota.constraint_options["ensure_derriford_reg_for_nights"] = False
#Rota.constraint_options["limit_to_1_st2_on_nights"] = False
#Rota.constraint_options["ensure_1_st4_plus_on_nights"] = False
#Rota.constraint_options["constrain_time_off_after_nights"] = False
#Rota.constraint_options["balance_nights_across_site"] = False
#Rota.constraint_options["balance_shifts"] = True
#Rota.constraint_options["balance_shifts_over_workers"] = True
#Rota.constraint_options["balance_nights"] = False
#Rota.constraint_options["minimise_shift_diffs"] = False
#Rota.constraint_options["balance_blocks"] = False
worker1 = Worker(Rota, "worker1", "group1", 1)
worker2 = Worker(Rota, "worker2", "group1", 1)
worker3 = Worker(Rota, "worker3", "group1", 1)
worker4 = Worker(Rota, "worker4", "group1", 1)
worker5 = Worker(Rota, "worker5", "group2", 1, fte=60)
worker6 = Worker(Rota, "worker6", "group2", 1, fte=40)
worker7 = Worker(Rota, "worker7", "group2", 1)
worker8 = Worker(Rota, "worker8", "group2", 1)
Rota.add_workers((worker1, worker2, worker3, worker4, worker5, worker6, worker7, worker8))
def test_preclear(self):
self.Rota.add_shifts(
SingleShift(("group1","group2"), "a", 12.5, days[:5], balance_offset=40,
workers_required=2,
constraints=["preclear"],
),
SingleShift(("group1","group2"), "b", 12.5, days[:5], balance_offset=40,
workers_required=2,
),
SingleShift(("group1","group2"), "c", 12.5, days[3], balance_offset=40,
workers_required=1,
constraints=["preclear2", "postclear2"],
),
)
self.Rota.build_shifts()
self.Rota.build_workers()
self.Rota.build_model()
solver_options = {"ratio": 0.1, "seconds": 1000, "threads": 10}
self.Rota.solve_model(options=solver_options)
self.Rota.export_rota_to_html("test4")
assert self.Rota.results.solver.status == "ok"
assert self.Rota.results.solver.termination_condition == "optimal"
for worker in self.Rota.workers:
shifts = self.Rota.get_worker_shift_list(worker)
# Convert shift to a string representation
shifts_string = "".join([i if i != "" else "-" for i in shifts])
# check for patterns that should not occur
assert "ba" not in shifts_string
assert "ca" not in shifts_string
assert "ac" not in shifts_string
assert "ca" not in shifts_string
assert "a-c" not in shifts_string
assert "c-a" not in shifts_string
assert "bc" not in shifts_string
assert "cb" not in shifts_string
assert "b-c" not in shifts_string
assert "c-b" not in shifts_string
class TestDemoRotaShiftConstraints:
weeks_to_rota = 10
start_date = datetime.date(2022, 3, 7)
Rota = RotaBuilder(
start_date,
weeks_to_rota=weeks_to_rota,
balance_offset_modifier=1,
max_weekend_frequency=1,
)
#Rota.constraint_options["max_shifts_per_week"] = 5
#Rota.constraint_options["max_shifts_per_month"] = 20
worker1 = Worker(Rota, "worker1", "group1", 1)
worker2 = Worker(Rota, "worker2", "group1", 1)
Rota.add_workers((worker1, worker2))
Rota.add_shifts(
SingleShift(("group1",), "a", 12.5, days, balance_offset=40,
workers_required=1,
),
)
def test_no_workers(self):
with pytest.raises(NoWorkers):
self.Rota.build_workers()
def test_max_shifts(self):
self.Rota.constraint_options["max_shifts_per_month"] = 14
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "ok"
assert self.Rota.results.solver.termination_condition == "optimal"
def test_max_shifts_fail(self):
self.Rota.constraint_options["max_shifts_per_month"] = 13
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "warning"
assert self.Rota.results.solver.termination_condition == "infeasible"
def test_max_shifts_extra_worker(self):
self.Rota.constraint_options["max_shifts_per_month"] = 12
worker3 = Worker(self.Rota, "worker3", "group1", 1)
self.Rota.add_worker(worker3)
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "ok"
assert self.Rota.results.solver.termination_condition == "optimal"
def test_max_shifts_extra_worker_wrong_group(self):
self.Rota.constraint_options["max_shifts_per_month"] = 12
worker3 = Worker(self.Rota, "worker3", "group2", 1)
self.Rota.add_worker(worker3)
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "warning"
assert self.Rota.results.solver.termination_condition == "infeasible"
def test_max_shifts_per_week_fail(self):
self.Rota.constraint_options["max_shifts_per_week"] = 3
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "warning"
assert self.Rota.results.solver.termination_condition == "infeasible"
def test_max_shifts_per_week_pass(self):
self.Rota.constraint_options["max_shifts_per_week"] = 4
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "ok"
def test_max_shifts_per_week_extra_worker_pass(self):
self.Rota.constraint_options["max_shifts_per_week"] = 3
worker3 = Worker(self.Rota, "worker3", "group1", 1)
self.Rota.add_worker(worker3)
self.Rota.build_and_solve()
assert self.Rota.results.solver.status == "ok"
class TestDemoRotaBalanceShiftSites:
weeks_to_rota = 8
start_date = datetime.date(2022, 3, 7)
Rota = RotaBuilder(
start_date,
weeks_to_rota=weeks_to_rota,
)
#Rota.constraint_options["max_shifts_per_week"] = 5
#Rota.constraint_options["max_shifts_per_month"] = 20
worker1 = Worker(Rota, "worker1", "group1", 1)
worker2 = Worker(Rota, "worker2", "group1", 1)
worker3 = Worker(Rota, "worker3", "group2", 1)
worker4 = Worker(Rota, "worker4", "group2", 1)
worker5 = Worker(Rota, "worker3", "group2", 1)
worker6 = Worker(Rota, "worker4", "group2", 1)
Rota.add_workers((worker1, worker2, worker3, worker4))
#Rota.add_workers((worker5, worker6))
Rota.add_shifts(
SingleShift(("group1", "group2"), "weekday_night", 12.5, days[:4], balance_offset=40,
workers_required=2,
force_as_block=True,
constraints=["balance_across_groups"]
),
#SingleShift(("group1", "group2"), "weekend_night", 12.5, days[4:], balance_offset=40,
#workers_required=2,
#force_as_block=True,
#),
)
def test_balance_blocks_across_groups(self):
self.Rota.constraint_options["balance_nights_across_sites"] = True
#self.Rota.constraint_options["balance_bank_holidays"] = False
#self.Rota.constraint_options["balance_weekends"] = False
#self.Rota.constraint_options["balance_blocks"] = False
self.Rota.build_and_solve(options={"ratio": 0.0, "seconds": 1000, "threads": 10})
self.Rota.export_rota_to_html("test5")
assert self.Rota.results.solver.status == "ok"
assert self.Rota.results.solver.termination_condition == "optimal"
#class TestNoWorkerRota:
# weeks_to_rota = 10
# start_date = datetime.date(2022, 3, 7)
#
# Rota = RotaBuilder(
# start_date,
# weeks_to_rota=weeks_to_rota,
# )
#
# def test_no_workers(self):
# with pytest.raises(NoWorkers):
# self.Rota.build_workers()
if __name__ == "__main__":
t = TestDemoRota()
t = TestDemoRotaShiftConstraints()
t.test_balance_blocks_across_groups()