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from datetime import datetime, date, timedelta
from decimal import Decimal
import random
import string
from django.core.exceptions import ImproperlyConfigured
try:
from django.utils.timezone import now
except ImportError:
now = datetime.now
try:
from django.contrib.gis.geos import *
except ImproperlyConfigured:
pass # environment without geo libs
except Exception:
pass # Avoid errors like GDALException
from django_dynamic_fixture.fixture_algorithms.default_fixture import BaseDataFixture, GeoDjangoFixtureMixin, PostgresFixtureMixin
class RandomDataFixture(BaseDataFixture, GeoDjangoFixtureMixin, PostgresFixtureMixin):
def random_string(self, n):
return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(n))
# NUMBERS
def integerfield_config(self, field, key, start=1, end=10 ** 6):
return random.randint(start, end)
def smallintegerfield_config(self, field, key):
# Values from -32768 to 32767 are safe in all databases supported by Django.
return self.integerfield_config(field, key, -2 ** 15, 2 ** 15 - 1)
def positiveintegerfield_config(self, field, key):
return self.integerfield_config(field, key)
def positivesmallintegerfield_config(self, field, key):
# Values up to 32767 are safe in all databases supported by Django.
return self.integerfield_config(field, key, end=2 ** 15 - 1)
def bigintegerfield_config(self, field, key):
return self.integerfield_config(field, key)
def floatfield_config(self, field, key):
return float(self.integerfield_config(field, key))
def decimalfield_config(self, field, key):
data = self.integerfield_config(field, key)
number_of_digits = field.max_digits - field.decimal_places
max_value = 10 ** number_of_digits
data = data % max_value
return Decimal(str(data))
# STRINGS
def charfield_config(self, field, key):
if field.max_length:
length = field.max_length
else:
length = 10
return self.random_string(length)
def textfield_config(self, field, key):
return self.charfield_config(field, key)
def slugfield_config(self, field, key):
return self.charfield_config(field, key)
def commaseparatedintegerfield_config(self, field, key):
return str(random.randint(1, field.max_length)) #FIXME:
# BOOLEAN
def booleanfield_config(self, field, key):
return random.randint(0, 1) == 0
def nullbooleanfield_config(self, field, key):
values = {0: None, 1: False, 2: True}
return values[random.randint(0, 2)]
# DATE/TIME RELATED
def datefield_config(self, field, key):
return date.today() - timedelta(days=random.randint(1, 36500))
def timefield_config(self, field, key):
return (now() - timedelta(seconds=random.randint(1, 36500))).time()
def datetimefield_config(self, field, key):
return now() - timedelta(seconds=random.randint(1, 36500))
# FORMATTED STRINGS
def emailfield_config(self, field, key):
return f'a{self.random_string(10)}@dynamicfixture.com'
def urlfield_config(self, field, key):
return f'http://dynamicfixture{self.random_string(10)}.com'
# Deprecated in Django >= 1.7
def ipaddressfield_config(self, field, key):
a = random.randint(1, 255)
b = random.randint(1, 255)
c = random.randint(1, 255)
d = random.randint(1, 255)
return f'{a}.{b}.{c}.{d}'
def xmlfield_config(self, field, key):
return f'<a>{self.random_string(5)}</a>'
# FILES
def filepathfield_config(self, field, key):
return self.random_string(10)
def filefield_config(self, field, key):
return self.random_string(10)
def imagefield_config(self, field, key):
return self.random_string(10)
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