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from django.core.management.base import BaseCommand, CommandError
from django.contrib.auth import get_user_model
from dispatch.models import Company, Load
from faker import Faker
import random
from django.db.utils import IntegrityError
# import yaml
User = get_user_model()
class Command(BaseCommand):
help = """Generate fake data.\n
Example usage: \n
./manage.py insert_fake_data --companies 4 --users 3 --loads 800
--start-date='-16w' --end-date '+16w' """
fake = Faker()
end_date = ""
start_date = ""
def add_arguments(self, parser):
# parser.add_argument('--file', type=str, dest='filename')
parser.add_argument('--companies', type=int, dest='companies', default='0')
parser.add_argument('--users', type=int, dest='users', default='0')
parser.add_argument('--loads', type=int, dest='loads', default='0')
parser.add_argument('--start-date', type=str, dest='startdate', default='-2w')
parser.add_argument('--end-date', type=str, dest='enddate', default='+2w')
def handle(self, *args, **options):
self.end_date = options['enddate']
self.start_date = options['startdate']
company_ids = []
user_ids = []
for i in range(0, options['companies']):
co = self.fake_company()
# We're going to hold the model IDs in memory to access randomly
# later on
company_ids.append(co.pk)
for i in range(0, options['users']):
u = self.fake_user()
user_ids.append(u.pk)
for i in range(0, options['loads']):
co_id = company_ids[random.randint(0, len(company_ids)-1)]
co = Company.objects.get(pk=co_id)
u_id = user_ids[random.randint(0, len(user_ids)-1)]
u = User.objects.get(pk=u_id)
l = self.fake_load(u, co)
def fake_company(self):
new_company = Company(
name=self.fake.company(),
address=self.fake.address(),
phone_number=self.fake.msisdn(),
email_address=self.fake.company_email(),
contact_name=self.fake.name(),
)
new_company.save()
return new_company
def fake_load(self, usr, co):
fake_description = "{}-{} {} {}K".format(
self.fake.month(), self.fake.day_of_month(),
self.fake.license_plate(), random.randint(5, 50))
print(fake_description)
new_load = Load(
user=usr,
# Because that's going to be random enough
# load_number=self.fake.license_plate(),
# description=self.fake.sentence(nb_words=6),
description=fake_description,
company=co,
amount=random.randint(150,2500),
delivered_to=self.fake.city(),
)
# Set the date to something random between last week and next week
new_load.date=self.fake.date_between(start_date=self.start_date, end_date=self.end_date)
new_load.save()
return new_load
def fake_user(self):
ffname = self.fake.first_name()
flname = self.fake.last_name()
funame = ffname[0] + flname
funame = '%s.%s' % (ffname, flname)
try:
new_user = User(
first_name=ffname,
last_name=flname,
email=self.fake.email(),
# Set the fake user name to be the first initial and last name
username=funame,
is_active=True
)
new_user.save()
return new_user
except IntegrityError:
# Around and around we go until we get something new
return self.fake_user()
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