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How to use num_requests method in locust
Best Python code snippet using locust
reoptimization_model.py
Source:reoptimization_model.py 
1import gurobipy as gp2from gurobipy import GRB3from gurobipy import GurobiError4from gurobipy import quicksum5import graphviz6from models.reoptimization_config import *7from models.updater_for_reopt import *8from models.updater_for_reopt import Updater9class ReoptModel:10 def __init__(self, current_route_plan, event, num_requests, first, rejected):11 self.model = "MIP 1"12 self.route_plan = current_route_plan13 self.event = event14 self.num_requests = num_requests15 self.updater = Updater(16 self.route_plan, self.event, self.num_requests, first, rejected17 )18 def vizualize_route(self, results, num_nodes_and_depots):19 dot = graphviz.Digraph(engine="neato")20 colors = [21 "fuchsia",22 "blue",23 "green",24 "aquamarine",25 "bisque",26 "black",27 "blueviolet",28 "brown",29 "chartreuse",30 "cornflowerblue",31 "purple",32 "darkmagenta",33 "dodgerblue",34 "greenyellow",35 "mediumseagreen",36 "navy",37 ]38 nodes = [i for i in range(num_nodes_and_depots)]39 for node in nodes:40 # nodes41 state = "Pickup" if node < self.num_requests else "Dropoff"42 state = "Depot" if node >= 2 * self.num_requests else state43 number = node if node < self.num_requests else node - self.num_requests44 printable_label = (45 f"State: {state}"46 f"\nPos: {Position[node][0],Position[node][1]}"47 f"\nRequest No: {number}"48 )49 dot.node(50 name=str(node),51 label=printable_label,52 pos=f"{Position[node][0]},{Position[node][1]}!",53 )54 for v in results:55 # edges56 if v.varName.startswith("x") and v.x > 0:57 var = (58 str(v.varName)59 .replace("x", "")60 .replace("[", "")61 .replace("]", "")62 .split(",")63 )64 try:65 edgelabel = datetime.fromtimestamp(66 next(67 a.x for a in results if a.varName == f"t[{var[0]},{var[2]}]"68 )69 ).strftime("%Y-%m-%d %H:%M:%S")70 dot.edge(71 str(var[0]),72 str(var[1]),73 label=edgelabel,74 color=colors[int(var[2])],75 )76 except StopIteration as e:77 dot.edge(78 str(var[0]),79 str(var[1]),80 color=colors[int(var[2])],81 )82 continue83 dot.render(filename="route.gv", cleanup=True, view=True)84 def run_model(self):85 # update sets with new request86 (87 pickups_remaining,88 pickups_new,89 pickups,90 pickups_previous_not_rejected,91 nodes_previous_not_rejected,92 nodes_depots,93 nodes_remaining,94 nodes_new,95 nodes,96 fixate_x,97 fixate_t,98 T_O,99 D_ij,100 T_ij,101 T_S_L,102 T_S_U,103 T_H_L,104 T_H_U,105 M_ij,106 L_S,107 L_W,108 rejected,109 ) = self.updater.update()110 try:111 m = gp.Model("mip1")112 m.setParam("NumericFocus", 3)113 dropoffs = [i for i in range(self.num_requests, 2 * self.num_requests)]114 vehicles = [i for i in range(num_vehicles)]115 # Create variables116 x = m.addVars(117 nodes_depots, nodes_depots, vehicles, vtype=GRB.BINARY, name="x"118 )119 q_S = m.addVars(nodes_depots, vehicles, vtype=GRB.INTEGER, name="q_S")120 q_W = m.addVars(nodes_depots, vehicles, vtype=GRB.INTEGER, name="q_W")121 t = m.addVars(nodes, name="t")122 l = m.addVars(nodes, name="l")123 u = m.addVars(nodes, name="u")124 d = m.addVars(pickups, name="d")125 s = m.addVars(pickups, vtype=GRB.BINARY, name="s")126 z_plus = m.addVars(nodes_previous_not_rejected, name="z+")127 z_minus = m.addVars(nodes_previous_not_rejected, name="z-")128 y = m.addVars(vehicles, vtype=GRB.BINARY, name="y")129 # OBJECTIVE FUNCTION130 m.setObjectiveN(131 beta132 * (133 quicksum(134 C_D * D_ij[i][j] * x[i, j, k]135 for i in nodes_depots136 for j in nodes_depots137 for k in vehicles138 if j != (2 * self.num_requests + k + num_vehicles)139 )140 + quicksum(C_K * y[k] for k in vehicles)141 ),142 index=0,143 )144 m.setObjectiveN(145 (1 - beta)146 * (147 quicksum(C_T * (l[i] + u[i]) for i in nodes)148 + quicksum(C_F * d[i] for i in pickups)149 + quicksum(C_R * s[i] for i in pickups)150 + quicksum(151 C_O * (z_plus[i] + z_minus[i])152 for i in nodes_previous_not_rejected153 )154 ),155 index=1,156 )157 m.ModelSense = GRB.MINIMIZE158 # ARC ELIMINATION159 # cannot drive from pick-up nodes to destinations160 for v in vehicles:161 for k in vehicles:162 for i in pickups:163 x[i, 2 * self.num_requests + v + num_vehicles, k].lb = 0164 x[i, 2 * self.num_requests + v + num_vehicles, k].ub = 0165 # cannot drive from origins to drop-offs166 for v in vehicles:167 for k in vehicles:168 for j in dropoffs:169 x[2 * self.num_requests + v, j, k].lb = 0170 x[2 * self.num_requests + v, j, k].ub = 0171 # cannot drive from own drop-off to own pick-up172 for k in vehicles:173 for i in pickups:174 x[self.num_requests + i, i, k].lb = 0175 x[self.num_requests + i, i, k].ub = 0176 # cannot drive from itself to itself177 for k in vehicles:178 for i in pickups:179 x[i, i, k].lb = 0180 x[i, i, k].ub = 0181 # cannot drive into an origin182 for v in vehicles:183 for k in vehicles:184 for i in nodes_depots:185 x[i, 2 * self.num_requests + v, k].lb = 0186 x[i, 2 * self.num_requests + v, k].ub = 0187 # cannot drive from a destination188 for v in vehicles:189 for k in vehicles:190 for j in nodes_depots:191 x[2 * self.num_requests + v + num_vehicles, j, k].lb = 0192 x[2 * self.num_requests + v + num_vehicles, j, k].ub = 0193 # cannot drive from origins that are not their own194 for v in vehicles:195 for k in vehicles:196 if k != v:197 for j in nodes_depots:198 x[2 * self.num_requests + v, j, k].lb = 0199 x[2 * self.num_requests + v, j, k].ub = 0200 # cannot drive into destinations that are not their own201 for v in vehicles:202 for k in vehicles:203 if k != v:204 for i in nodes_depots:205 x[i, 2 * self.num_requests + v + num_vehicles, k].lb = 0206 x[i, 2 * self.num_requests + v + num_vehicles, k].ub = 0207 # not add arc if vehicle cannot reach node j from node i within the time window of j208 for k in vehicles:209 for i in nodes:210 for j in nodes:211 if T_H_L[i] + S + T_ij[i][j] > T_H_U[j]:212 x[i, j, k].lb = 0213 x[i, j, k].ub = 0214 # not add swip-tour to node i from node j if that means node (j+n) cannot be reached in time215 for k in vehicles:216 for i in pickups:217 for j in pickups:218 if (219 T_H_L[j]220 + S221 + T_ij[j][i]222 + S223 + T_ij[i][j + self.num_requests]224 > T_H_U[j + self.num_requests]225 ):226 x[i, j + self.num_requests, k].lb = 0227 x[i, j + self.num_requests, k].ub = 0228 # not add arc if route from node (i+n) to node j means that node (j+n) cannot be reached in time229 for k in vehicles:230 for i in pickups:231 for j in pickups:232 if (233 T_H_L[i]234 + S235 + T_ij[i][i + self.num_requests]236 + S237 + T_ij[i + self.num_requests][j]238 + S239 + T_ij[j][j + self.num_requests]240 > T_H_U[j + self.num_requests]241 ):242 x[i + self.num_requests, j, k].lb = 0243 x[i + self.num_requests, j, k].ub = 0244 # FIXATING VALUES245 # x values - outside time window246 for f_x in fixate_x:247 x[f_x[0], f_x[1], f_x[2]].lb = 1248 x[f_x[0], f_x[1], f_x[2]].ub = 1249 # t values - historic values250 for f_t in fixate_t:251 t[f_t].lb = fixate_t[f_t]252 t[f_t].ub = fixate_t[f_t]253 # rejected requests in previous plans254 for i in rejected:255 s[i].lb = 1256 s[i].ub = 1257 # FLOW CONSTRAINTS258 m.addConstrs(259 (260 quicksum(x[i, j, k] for j in nodes_depots for k in vehicles) == 1261 for i in pickups_remaining262 ),263 name="Flow1",264 )265 m.addConstrs(266 (267 quicksum(x[2 * self.num_requests + k, j, k] for j in nodes_depots)268 == 1269 for k in vehicles270 ),271 name="Flow3.1",272 )273 m.addConstrs(274 (275 quicksum(276 x[i, 2 * self.num_requests + k + num_vehicles, k]277 for i in nodes_depots278 )279 == 1280 for k in vehicles281 ),282 name="Flow3.2",283 )284 m.addConstrs(285 (286 quicksum(x[i, j, k] for j in nodes_depots)287 - quicksum(x[self.num_requests + i, j, k] for j in nodes_depots)288 == 0289 for i in pickups290 for k in vehicles291 ),292 name="Flow6",293 )294 m.addConstrs(295 (296 quicksum(x[j, i, k] for j in nodes_depots)297 - quicksum(x[i, j, k] for j in nodes_depots)298 == 0299 for i in nodes300 for k in vehicles301 ),302 name="Flow7",303 )304 # STANDARD SEATS CAPACITY CONSTRAINTS305 m.addConstrs(306 (307 q_S[i, k] + L_S[j] - q_S[j, k] <= (Q_S + L_S[j]) * (1 - x[i, j, k])308 for j in pickups309 for i in nodes_depots310 for k in vehicles311 ),312 name="SCapacity1",313 )314 m.addConstrs(315 (316 q_S[i, k] - L_S[j] - q_S[self.num_requests + j, k]317 <= Q_S * (1 - x[i, self.num_requests + j, k])318 for j in pickups319 for i in nodes_depots320 for k in vehicles321 ),322 name="SCapacity2",323 )324 m.addConstrs(325 (326 quicksum(L_S[i] * x[i, j, k] for j in nodes_depots) <= q_S[i, k]327 for i in pickups328 for k in vehicles329 ),330 name="SCapacity3.1",331 )332 m.addConstrs(333 (334 q_S[i, k] <= quicksum(Q_S * x[i, j, k] for j in nodes_depots)335 for i in pickups336 for k in vehicles337 ),338 name="SCapacity3.2",339 )340 m.addConstrs(341 (342 quicksum(343 (Q_S - L_S[i]) * x[self.num_requests + i, j, k]344 for j in nodes_depots345 )346 >= q_S[self.num_requests + i, k]347 for i in pickups348 for k in vehicles349 ),350 name="SCapacity5",351 )352 m.addConstrs(353 (354 q_S[i, k]355 <= Q_S * (1 - x[i, 2 * self.num_requests + k + num_vehicles, k])356 for i in dropoffs357 for k in vehicles358 ),359 name="SCapacity6",360 )361 # WHEELCHAIR SEATS CAPACITY CONSTRAINTS362 m.addConstrs(363 (364 q_W[i, k] + L_W[j] - q_W[j, k] <= (Q_W + L_W[j]) * (1 - x[i, j, k])365 for j in pickups366 for i in nodes_depots367 for k in vehicles368 ),369 name="WCapacity1",370 )371 m.addConstrs(372 (373 q_W[i, k] - L_W[j] - q_W[self.num_requests + j, k]374 <= Q_W * (1 - x[i, self.num_requests + j, k])375 for j in pickups376 for i in nodes_depots377 for k in vehicles378 ),379 name="WCapacity2",380 )381 m.addConstrs(382 (383 quicksum(L_W[i] * x[i, j, k] for j in nodes_depots) <= q_W[i, k]384 for i in pickups385 for k in vehicles386 ),387 name="WCapacity3.1",388 )389 m.addConstrs(390 (391 q_W[i, k] <= quicksum(Q_W * x[i, j, k] for j in nodes_depots)392 for i in pickups393 for k in vehicles394 ),395 name="WCapacity3.2",396 )397 m.addConstrs(398 (399 quicksum(400 (Q_W - L_W[i]) * x[self.num_requests + i, j, k]401 for j in nodes_depots402 )403 >= q_W[self.num_requests + i, k]404 for i in pickups405 for k in vehicles406 ),407 name="WCapacity4",408 )409 m.addConstrs(410 (411 q_W[i, k]412 <= Q_W * (1 - x[i, 2 * self.num_requests + k + num_vehicles, k])413 for i in dropoffs414 for k in vehicles415 ),416 name="WCapacity6",417 )418 # TIME WINDOW CONSTRAINTS419 m.addConstrs(420 (T_S_L[i] - l[i] <= t[i] for i in nodes),421 name="TimeWindow1.1",422 )423 m.addConstrs(424 (t[i] <= T_S_U[i] + u[i] for i in nodes),425 name="TimeWindow1.2",426 )427 m.addConstrs(428 (T_H_L[i] <= t[i] for i in nodes),429 name="TimeWindow2.1",430 )431 m.addConstrs(432 (t[i] <= T_H_U[i] for i in nodes),433 name="TimeWindow2.2",434 )435 m.addConstrs(436 (437 t[i] + S + T_ij[i][j] - t[j] <= M_ij[i][j] * (1 - x[i, j, k])438 for i in nodes439 for j in nodes440 for k in vehicles441 ),442 name="TimeWindow3",443 )444 m.addConstrs(445 (446 t[i] + S + T_ij[i][self.num_requests + i]447 <= t[self.num_requests + i]448 for i in pickups449 ),450 name="TimeWindow4",451 )452 m.addConstrs(453 (454 T_O[i] - t[i] == z_plus[i] - z_minus[i]455 for i in nodes_previous_not_rejected456 ),457 name="TimeWindow5",458 )459 # RIDE TIME CONSTRAINTS460 m.addConstrs(461 (462 d[i]463 >= t[self.num_requests + i]464 - (t[i] + (1 + F + M * s[i]) * T_ij[i][self.num_requests + i])465 for i in pickups466 ),467 name="RideTime1",468 )469 # REJECTION CONSTRAINTS470 m.addConstrs(471 (472 s[i]473 == 1 - quicksum(x[i, j, k] for j in nodes_depots for k in vehicles)474 for i in pickups_new475 ),476 name="Rejection1",477 )478 m.addConstr(479 (quicksum(s[i] for i in pickups_previous_not_rejected) == 0),480 name="Rejection2",481 )482 # RUN MODEL483 m.optimize()484 # m.computeIIS()485 # m.write("model.ilp")486 print("New Event: ", self.num_requests - 1)487 for i in pickups_new:488 print(s[i].varName, s[i].x)489 if s[i].x > 0.1:490 print("Your request has been rejected:/")491 rejected.append(i)492 """493 for v in m.getVars():494 if v.varName.startswith("t"):495 continue496 if v.x > 0:497 print("%s %g" % (v.varName, v.x))498 for i in nodes:499 print(500 t[i].varName,501 datetime.utcfromtimestamp(t[i].x * 3600).strftime(502 "%Y-%m-%d %H:%M:%S"503 ),504 )505 """506 # print("Obj: %g" % m.objVal)507 print(beta)508 obj1 = m.getObjective(index=0)509 print("Operational costs: ", obj1.getValue())510 obj2 = m.getObjective(index=1)511 print("Quality of service: ", obj2.getValue())512 obj3 = obj1.getValue() + obj2.getValue()513 print("Total: ", obj3)514 operational = obj1.getValue()515 quality = obj2.getValue()516 single_z = quicksum(517 C_O * (z_plus[i] + z_minus[i]) for i in nodes_previous_not_rejected518 )519 for i in nodes:520 print(t[i].varName, t[i].x)521 # print("Obj: %g" % m.objVal)522 """523 NOTE524 self.vizualize_route(525 results=m.getVars(), num_nodes_and_depots=len(nodes_depots)526 )527 """528 route_plan = dict()529 route_plan["x"] = {k: v.X for k, v in x.items()}530 route_plan["t"] = {k: v.X for k, v in t.items()}531 route_plan["q_S"] = {k: v.X for k, v in q_S.items()}532 route_plan["q_W"] = {k: v.X for k, v in q_W.items()}533 num_not_used_vehicles = len(534 [535 k536 for k in vehicles537 if route_plan["x"][538 (539 2 * (self.num_requests - 1) + k,540 2 * (self.num_requests - 1) + k + num_vehicles,541 k,542 )543 ]544 == 1545 ]546 )547 single_z = single_z.getValue()548 return (549 route_plan,550 rejected,551 num_not_used_vehicles,552 operational,553 quality,554 single_z,555 )556 except GurobiError as e:557 print("Error reported")...
api.py
Source:api.py
...30 querystr=querystr,31 )32 return url33@pytest.fixture(name="num_requests")34def fixture_num_requests():35 """Return a defaultdict to count requests to HTTP handlers."""36 return collections.defaultdict(int)37@pytest.fixture(name="try_get")38def fixture_try_get(num_requests):39 """Return a function to try GET requests to the server."""40 def try_get(httpd, querystr):41 """Try GET requests to the server."""42 num_requests["get_handler"] = 043 f = urlopen(httpd_url(httpd, "/api/resource/1", querystr))44 assert f.getcode() == 20045 assert json.loads(f.read()) == {"called": 1, "id": "1", "query": querystr}46 assert num_requests["get_handler"] == 147 return try_get48@pytest.fixture(name="try_post")...
rrclient.py
Source:rrclient.py
1#!/usr/bin/env python2"""3synopsis:4 Request-reply client in Python5 Connects REQ socket to tcp://localhost:55596 Sends "Hello" to server, expects "World" back7 Modified for async/ioloop: Dave Kuhlman <dkuhlman(at)davekuhlman(dot)org>8usage:9 python rrclient.py [num_requests]10 where:11 num_requests is the number of requests to be sent. Default12 if omitted is 10.13notes:14 To run this, start rrbroker.py, any number of instances of rrworker.py,15 and rrclient.py.16"""17import sys18import zmq19from zmq.asyncio import Context, ZMQEventLoop20import asyncio21@asyncio.coroutine22def run_client(context, num_requests):23 # Prepare our context and sockets24 socket = context.socket(zmq.REQ)25 socket.connect("tcp://localhost:5559")26 # Do num_requests requests, waiting each time for a response27 for requestno in range(1, num_requests + 1):28 message = 'Hello {}'.format(requestno)29 message = message.encode('utf-8')30 yield from socket.send(message)31 message = yield from socket.recv()32 print("Received reply %s [%s]" % (requestno, message))33@asyncio.coroutine34def run(loop, num_requests):35 context = Context()36 yield from run_client(context, num_requests)37def main():38 args = sys.argv[1:]39 if len(args) == 1:40 num_requests = int(args[0])41 elif len(args) == 0:42 num_requests = 1043 else:44 sys.exit(__doc__)45 try:46 loop = ZMQEventLoop()47 asyncio.set_event_loop(loop)48 loop.run_until_complete(run(loop, num_requests))49 except KeyboardInterrupt:50 print('\nFinished (interrupted)')51if __name__ == '__main__':...
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