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Woman.py
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Woman.py
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from random import Random
class Woman(object):
def __init__(self, years, months, weight, height, carnivore, twins, casual_smoker, regular_smoker, conceive, miscarry, ivf, ivf_allowed, seed):
self.carnivore = carnivore
self.casual_smoker = casual_smoker
self.regular_smoker = regular_smoker
self.height = height
self.weight = weight
self.years = years
self.months = months
self.twins_run_in_family = twins
self.age = years + months / 12.0
self.children = 0
self.children_with_down_syndrom = 0
self.miscarriages = 0
self.still_births = 0
self.months_trying = 0
self.chance_to_conceive = conceive
self.chance_to_miscarry_early = miscarry
self.chance_on_ivf = ivf
self.chance_to_miscarry_late = 0.015
self.has_had_still_birth = False
self.on_ivf = False
self.ivf_allowed = ivf_allowed
self.random_obj = Random()
self.random_obj.seed(seed)
self.bmi = 703 * weight / (height * height)
if self.bmi < 18.5:
self.miscarriage_risk = 1.08
elif self.bmi < 25.0:
self.miscarriage_risk = 1.0
elif self.bmi < 30.0:
self.miscarriage_risk = 1.09
elif self.bmi < 35.0:
self.miscarriage_risk = 1.15
else:
self.miscarriage_risk = 1.27
self.is_pregnant = False
self.preg_month = 0
def __call__(self):
if self.is_pregnant:
if self.preg_month == 2:
if self.random_obj.random() < self.get_miscarriage_early_chance():
self.is_pregnant = False
self.miscarriages += 1
else:
self.preg_month += 1
elif self.preg_month == 6:
if self.random_obj.random() < self.chance_to_miscarry_late:
self.is_pregnant = False
self.miscarriages += 1
else:
self.preg_month += 1
elif self.preg_month == 9:
self.is_pregnant = False
self.children += self.birth()
self.on_ivf = False
else:
self.preg_month += 1
else:
if self.on_ivf:
if self.random_obj.random() < self.chance_on_ivf[self.years]:
self.is_pregnant = True
self.preg_month = 0
self.months_trying = 0
else:
self.months_trying += 1
else:
if self.random_obj.random() < self.chance_to_conceive[self.years]:
self.is_pregnant = True
self.preg_month = 0
self.months_trying = 0
else:
self.months_trying += 1
if self.months_trying >= 6 and self.ivf_allowed:
self.on_ivf = True
if self.months == 12:
self.years += 1
self.months = 1
else:
self.months += 1
def birth(self):
children = 1
fraternal_twin_chance = 1.0 / 250.0
identical_twin_chance = 3.5 / 1000.0
if self.on_ivf:
if self.years <= 35:
fraternal_twin_chance = 0.121
elif self.years <= 37:
fraternal_twin_chance = 0.091
elif self.years <= 40:
fraternal_twin_chance = 0.053
else:
if self.height > 64.0:
fraternal_twin_chance *= 2.0
if self.years > 35:
fraternal_twin_chance *= 4.0
if self.bmi > 30.0:
fraternal_twin_chance *= 1.25
if self.bmi < 18.5:
fraternal_twin_chance *= 0.75
if self.carnivore:
fraternal_twin_chance *= 5.0
if self.twins_run_in_family:
fraternal_twin_chance *= 2.5
if self.random_obj.random() < fraternal_twin_chance:
children += 1
count = children
for twin in range(0, count):
if self.random_obj.random() < identical_twin_chance:
children += 1
count = children
for child in range(0, count):
if self.random_obj.random() < self.get_down_syndrom_chance():
self.children_with_down_syndrom += 1
if self.random_obj.random() < self.get_still_birth_chance():
children -= 1
self.still_births += 1
self.has_had_still_birth = True
return children
def get_down_syndrom_chance(self):
if self.years < 25:
return 1.0 / 1200.0
elif self.years < 35:
return 1.0 / 350.0
elif self.years < 40:
return 1.0 / 100.0
elif self.years < 45:
return 1.0 / 30.0
else:
return 1.0 / 30.0
def get_miscarriage_early_chance(self):
success = 1 - self.chance_to_miscarry_early[self.years]
mod = -self.miscarriage_risk + 2
return 1 - success * mod
def get_miscarriage_late_chance(self):
return self.chance_to_miscarry_late
def get_still_birth_chance(self):
if self.has_had_still_birth:
chance = 0.025
else:
chance = 0.01
# Note chances increased by 20% per 5 BMI points starting at 26
if self.bmi > 26.0:
chance *= 1.2
if self.bmi > 31.0:
chance *= 1.2
if self.bmi > 36.0:
chance *= 1.2
if self.bmi > 41.0:
chance *= 1.2
if self.bmi > 46.0:
chance *= 1.2
# Note smoking 1-9 cigarettes per day increases chance 9%
if self.casual_smoker:
chance *= 1.09
# Note smoking 10+ cigarettes per day increases chance 52%
if self.regular_smoker:
chance *= 1.52
return chance