资源介绍
集体智慧编程 源代码.
from pydelicious import get_popular,get_userposts,get_urlposts
import time
def initializeUserDict(tag,count=5):
user_dict={}
# get the top count' popular posts
for p1 in get_popular(tag=tag)[0:count]:
# find all users who posted this
for p2 in get_urlposts(p1['href']):
user=p2['user']
user_dict[user]={}
return user_dict
def fillItems(user_dict):
all_items={}
# Find links posted by all users
for user in user_dict:
for i in range(3):
try:
posts=get_userposts(user)
break
except:
print "Failed user "+user+", retrying"
time.sleep(4)
for post in posts:
url=post['href']
user_dict[user][url]=1.0
all_items[url]=1
# Fill in missing items with 0
for ratings in user_dict.values():
for item in all_items:
if item not in ratings:
ratings[item]=0.0
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