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seed.py
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seed.py
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# yelp_id | name | address_1 | address_2 | city | state_code | zipcode | phone | lat | long | categories
from models import Business, User, Category, BusinessCategory, Rating
from sys import argv
from models import connect_to_db, db
from datetime import datetime
import sys
reload(sys)
sys.setdefaultencoding('UTF8')
if __name__ == "__main__":
# if run interactively, this will allow access of the db
from server import app
connect_to_db(app)
print "Connected to DB."
def _add_to_businesses(params):
"""adds dictionary of attributes to businesses db"""
print params
if not Business.query.filter_by(yelp_id=params['yelp_id']).first():
business = Business()
cat_list = []
for key in params:
# adds elements in category lists to category table if they don't already exist
if key == "categories":
for cat in params[key]:
cat_list.append(cat)
if not Category.query.filter_by(category_name=cat).first():
category = Category(category_name=cat)
db.session.add(category)
# THROUGH LINE 40 REPLACED BY 30-34
# for group in params[key]:
# print type(group)
# for subtype in group:
# print type(subtype)
# if not Category.query.filter_by(category_name=subtype).first():
# category = Category(category_name=subtype)
# db.session.add(category)
# cat_list.append(subtype)
# print cat_list
elif key == "yelp_id":
business.yelp_id = params[key]
elif key == "name":
business.name = params[key]
elif key == "address_line_1":
business.address_line_1 = params[key]
elif key == "address_line_2":
business.address_line_2 = params[key]
elif key == "city":
business.city = params[key]
elif key == "state":
business.state = params[key]
elif key == "zipcode":
business.zipcode = params[key]
elif key == "phone":
business.phone = params[key]
elif key == "latitude":
business.latitude = params[key]
elif key == "longitude":
business.longitude = params[key]
try:
db.session.add(business)
db.session.commit()
except:
db.session.rollback()
print business.name, "has insufficient information, skipping."
return None
# creates rows in reference table
for cat in cat_list:
# creates row in reference table
business = Business.query.filter_by(yelp_id=params['yelp_id']).first()
catbus = BusinessCategory()
print business.business_id
catbus.business_id = business.business_id
cat_object = Category.query.filter_by(category_name=cat).first()
print cat_object.category_name
catbus.category_id = cat_object.category_id
if not BusinessCategory.query.filter_by(business_id=catbus.business_id,
category_id=catbus.category_id).first():
db.session.add(catbus)
db.session.commit()
print "added " + business.name + " to db"
else:
print "Already in Dictionary"
return None
def seed_user(filename):
"""seeds and adds user to db"""
linecount = 0
f = open(filename)
for row in f:
type(row)
row = row.rstrip()
row = row.split("|")
print linecount
if len(row) >= 3:
if not User.query.filter_by(email=row[1]).first():
user = User(name=row[0], email=row[1], password=row[2])
try:
db.session.add(user)
db.session.commit()
except:
db.session.rollback()
print user.name, "has insufficient information, skipping."
linecount += 1
print "added user", linecount
else:
print "user already exists"
print "Complete.", linecount, "users added"
f.close()
def seed_rating(filename):
linecount = 0
f = open(filename)
for row in f:
row = row.rstrip()
row = row.split("|")
print linecount
time = datetime.now()
print time
if not Rating.query.filter_by(user_id=row[0], business_id=row[1]).first():
rating = Rating(user_id=row[0], business_id=row[1], score=row[2], created_at=time)
if row[3] != '':
rating.review = row[3]
else:
pass
try:
db.session.add(rating)
db.session.commit()
except:
db.session.rollback()
print "is borked."
linecount += 1
print "added", linecount
print "complete", linecount, "ratings added"
f.close()
def seed_yelp(filename):
"""parses file of businesses from seed-business.py"""
print "Businesses"
# Delete all rows in table, so if we need to run this a second time,
# we won't be trying to add duplicate users
# Business.query.delete()
linecount = 0
f = open(filename)
for row in f:
row = row.rstrip()
row = row.split("|")
attributes = {}
attributes['yelp_id'] = str(unicode(row[0]))
attributes['name'] = str(unicode(row[1]))
if row[2] != "":
attributes ['address_line_1'] = str(row[2])
# checks if nullable field is equal to an empty string
if row[3] != "":
attributes['address_line_2'] = str(row[3])
if row[4] != "":
attributes['city'] = str(row[4])
if row[5] != "" and len(row[5]) == 2:
attributes['state'] = str(row[5])
if row[6] != "":
attributes['zipcode'] = str(row[6])
if row[7] != "":
attributes['phone'] = str(row[7])
if row[8] != "":
attributes['latitude'] = float(row[8])
if row[9] != "":
attributes['longitude'] = float(row[9])
if row[10] != "":
elements=[]
for element in row[10:]:
elements.append(element)
# attributes['categories'] = row[10]
attributes['categories'] = elements
# debugging
print attributes['categories']
linecount += 1
print "adding line " + str(linecount)
_add_to_businesses(attributes)
print "Complete"
f.close()
def santize_businesses():
"""sanitizes db of all businesses without ratings from users"""
businesses = Business.query.filter(Business.ratings is None)
for business in businesses:
db.session.delete(business)
db.session.commit()