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config.py
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import csv
import os
import platform
import string
from dotenv import load_dotenv
from flask import current_app
basedir = os.path.abspath(os.path.dirname(__file__))
load_dotenv(os.path.join(basedir, ".env"))
class Config:
SECRET_KEY = os.environ.get("SECRET_KEY")
DB_PATH = "app/app.db"
SQLALCHEMY_DATABASE_URI = "sqlite:///" + os.path.join(basedir, DB_PATH)
SQLALCHEMY_TRACK_MODIFICATIONS = False
SESSION_TYPE = "sqlalchemy"
SESSION_SQLALCHEMY_TABLE = "sessions"
RECAPTCHA_PUBLIC_KEY = os.environ.get("RECAPTCHA_PUBLIC_KEY")
RECAPTCHA_PRIVATE_KEY = os.environ.get("RECAPTCHA_PRIVATE_KEY")
RECAPTCHA_PARAMETERS = {"hl": "zh", "render": "explicit"}
RECAPTCHA_DATA_ATTRS = {"theme": "light"}
PERMANENT_SESSION_LIFETIME = 604800
WTF_CSRF_TIME_LIMIT = None
SCHEDULER_API_ENABLED = True
# VEHICLE ROUTING PARAMS
MIN_LAT = 53.384
MAX_LAT = 53.573
MIN_LON = -2.398
MAX_LON = -2.065
WH_LAT = 53.470795
WH_LON = -2.327794
NUM_CUSTOMERS = list(range(10, 110, 10))
NUM_DRIVERS = list(range(1, 6))
TIME_SLOTS = list(range(1, 6))
DRIVER_BREAKS = ["Yes", "No"]
START_TIMES = [540, 600, 660, 720, 780, 840, 900] # Mins past midnight
OSRM_BASE = os.environ.get("OSRM_BASE")
OSRM_END = "?annotations=distance,duration"
LEAFLET_SERVER = os.environ.get("LEAFLET_ROUTING_SERVER")
MAPBOX_KEY = os.environ.get("MAPBOX_KEY")
JSPRIT_SOCKET = os.environ.get("JSPRIT_SOCKET")
REQUEST_PATH = os.path.join(basedir, "app/requests")
@staticmethod
def load_customer_names():
"""Pre-load the static customer names for the routing problems"""
path = os.path.join(basedir, "app/static/files/random_names.csv")
with open(path) as infile:
reader = csv.reader(infile)
names = list(set([" ".join(sublist) for sublist in reader]))
return names
# PRODUCTION SCHEDULING PARAMS
SCHEDULER_API_ENABLED = True
MACHINE_STATS = {
1: {
"ideal_run_rate": 100,
"efficiency": 0.85,
"min_downtime_secs": 20,
"downtime_probability": 0.04,
"restart_probability": 0.3,
},
2: {
"ideal_run_rate": 100,
"efficiency": 0.9,
"min_downtime_secs": 120,
"downtime_probability": 0.02,
"restart_probability": 0.3,
},
3: {
"ideal_run_rate": 100,
"efficiency": 0.75,
"min_downtime_secs": 50,
"downtime_probability": 0.01,
"restart_probability": 0.3,
},
4: {
"ideal_run_rate": 100,
"efficiency": 0.6,
"min_downtime_secs": 10,
"downtime_probability": 0.06,
"restart_probability": 0.3,
},
}
# How often to generate new machine data and update in real-time on frontend
UPDATE_CYCLE_SECS = 3
SHIFT_PATTERNS = ["6-2", "2-10", "6-2 and 2-10"]
# Hard-code the general shift pattern hours. Normally these could be
# customised on the front-end to include even fractions of hours, but this
# is overkill
SHIFT_HOURS = {
"null": {
0: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
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0,
0,
0,
0,
0,
0,
],
1: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
2: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
3: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
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0,
0,
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0,
0,
],
4: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
5: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
6: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
},
"6-2": {
0: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
1: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
2: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
3: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
4: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
5: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
6: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
},
"2-10": {
0: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
],
1: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
],
2: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
],
3: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
],
4: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
0,
0,
],
5: [
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
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0,
0,
0,
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],
6: [
0,
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0,
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0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
},
"6-2 and 2-10": {
0: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
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],
1: [
0,
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0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
1,
0,
0,
],
2: [
0,
0,
0,
0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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1,
1,
1,
0,
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],
3: [
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0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
0,
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],
4: [
0,
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0,
0,
0,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
1,
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],
5: [
0,
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0,
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0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
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0,
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],
6: [
0,
0,
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0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
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0,
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0,
0,
0,
0,
0,
],
},
}
MACHINE_NAMES = [f"Machine {x}" for x in string.ascii_uppercase[:4]]
PRODUCT_NAMES = [f"Product {x}" for x in range(1, 9)]