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prime_buy_box.py
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prime_buy_box.py
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import pandas as pd
from sqlalchemy import create_engine
from qreit.buy_boxes.buy_box import BuyBox
from qreit.databases.postgres import *
SFR_GENERATION_TABLE = 'sfr_millennial_median_2017'
def pull_prime_zips():
pg = Postgres('brightforge', SFR_GENERATION_TABLE)
df = pg.pull_postgres_to_df('zip')
return df.zip
def pull_model_zips(strat):
engine = create_engine('postgresql+psycopg2://postgres:@localhost/brightforge')
query = f'SELECT * FROM zip_{strat};'
df = pd.read_sql_query(query, engine)
engine.dispose()
df.rename(columns={'index':'zip'}, inplace=True)
return df.set_index('zip')
class Prime_BuyBox(BuyBox):
def __init__(self, street, city, state, zip_code,
beds, baths, price, year_built, caprate,
pool, power_lines, major_street):
self.strategy = 'prime'
BuyBox.__init__(self, street, city, state, zip_code,
beds, baths, price, year_built, caprate,
pool, power_lines, major_street)
def _check_beds(self):
if (self.beds > 1) and (self.beds <= 5):
return True
else:
return False
def _check_baths(self):
if (self.baths > 1) and (self.baths <= 5):
return True
else:
return False
def _check_price(self):
if (self.price >= 100000) and (self.price <= 400000):
return True
else:
return False
def _check_caprate(self):
if self.caprate > 0.06:
return True
else:
return False
def _check_zip(self):
prime_zips_ls = list(pull_prime_zips(self.strategy).index)
if self.zip_code in prime_zips_ls:
return True
else:
return False
def _check_year_built(self):
if self.year_built >= 2000:
return True
else:
return False
def _check_pool(self):
if self.pool:
return False
else:
return True
def _check_power_lines(self):
if self.power_lines:
return False
else:
return True
def _check_major_street(self):
if self.major_street:
return False
else:
return True
def check_buy_box(self):
if all([self._check_beds(), self._check_beds(), self._check_baths(),
self._check_price(), self._check_caprate(), self._check_zip(),
self._check_year_built(), self._check_pool(), self._check_power_lines(),
self._check_major_street()]):
return True
else:
return False
if __name__=='__main__':
print(list(pull_prime_zips()))