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import re
import funcy
import csv
import numpy as np
import datetime
import json
from collections import defaultdict
import glob
from scipy.spatial.distance import cosine
with open('data/styles.json') as f:
styles = json.load(f)
with open('data/beer_info.json', 'r') as f:
beer_names = json.load(f)
attr_to_styles = defaultdict(list)
style_to_attrs = defaultdict(list)
with open('data/sparser_beer_data.csv') as f:
reader = csv.DictReader(f)
for line in reader:
style = line.pop('Style')
for k, v in line.items():
if v == '1':
attr_to_styles[k].append(style)
style_to_attrs[style].append(k)
# In[7]:
with open('data/final_data_small.json') as f:
final_data = json.load(f)
beer_by_style = defaultdict(list)
for beer, data in final_data.items():
try:
real_style = beer_names[beer][1][0]
if beer_names[beer][3] > 7:
beer_by_style[real_style].append(data['embed'])
except:
pass
style_centers = {}
for style, datas in beer_by_style.items():
style_centers[style.strip()] = np.mean(datas, axis=0)
style_name_to_num = {y[0]: x for x,y in styles.items()}
attr_centers = {}
for attr, rel_styles in attr_to_styles.items():
centers = [style_centers[x] for x in rel_styles]
attr_mean = np.mean(centers, axis=0)
attr_centers[attr] = attr_mean
embeddings = [(x[0], x[1]['embed']) for x in final_data.items()]
small_embeddings = []
small_styles = []
bad = 0
for e in embeddings:
newkey = e[0]
if newkey in beer_names:
info= beer_names[newkey]
if info[3] > 25:
small_embeddings.append(e)
small_styles.append(info[1][0])
else:
bad += 1
def get_closest(beer_id):
one_embed = final_data[beer_id]['embed']
beer_ids = []
for thing in sorted(small_embeddings, key = lambda x: cosine(one_embed, x[1]), reverse=False)[:25]:
if thing[0] in beer_names:
beer_ids.append(thing[0])
print(thing[0])
print('=' * 50)
return beer_ids
def get_closest_to_point(one_embed, style_limit=[]):
# one_embed = final_data[beer_id]['embed']
if style_limit:
possible_beers = []
for style, e in zip(small_styles, small_embeddings):
if style == style_limit:
possible_beers.append(e)
else:
possible_beers = small_embeddings
print(len(possible_beers))
to_return = []
for thing in sorted(possible_beers, key = lambda x: cosine(one_embed, x[1]), reverse=False)[:5]:
# print(b, a)
if thing[0] in beer_names:
bn = beer_names[thing[0]]
to_return.append((thing[0], bn[0], bn[1][0]))
return to_return
def translate_to_attr(embedding, to_attr, amt):
if amt < 0:
back = True
amt = abs(amt)
else:
back = False
relevant_styles = attr_to_styles[to_attr]
small_rel_centers = {x: y for x, y in style_centers.items() if x in relevant_styles}
sorted_centers = sorted(small_rel_centers, key=lambda x: cosine(small_rel_centers[x], embedding))
closest_center = sorted_centers[0]
closest_center_vector = style_centers[closest_center]
vector_between = closest_center_vector - embedding
print('Moving Towards/From: {}'.format(closest_center))
print('=' *10)
print('\n')
dist_between = np.linalg.norm(closest_center_vector-embedding)
amt_dict = {
1: 4,
2: 2,
3: 1
}
x = amt_dict[amt]
print('Moving {}%'.format(1/float(x) * 100))
if back:
new_point = embedding - (vector_between/x)
else:
new_point = embedding + (vector_between/x)
return get_closest_to_point(new_point)
def translate_to_style(embedding, style):
closest_center_vector = style_centers[style]
vector_between = closest_center_vector - embedding
# print(vector_between)
print('Moving Towards/From: {}'.format(style))
print('=' *10)
print('\n')
dist_between = np.linalg.norm(closest_center_vector-embedding)
TRANSLATION_CONSTANT = 4 # 4 is slight
new_point = embedding + (vector_between/TRANSLATION_CONSTANT)
return get_closest_to_point(new_point, style_limit=style)
def get_drinks_like(beer_id):
data = final_data[beer_id]
return data['alc']
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