def tweets(uid,min_date=None,max_date=None,limit=100):
"returns all the tweets for a user between min_date and max_date"
start = parse_date(min_date)
end = parse_date(max_date)
limit = int(limit) if limit else None
tweets = Tweet.find(
(Tweet.user_id==int(uid)) &
(Tweet.created_at.range(start,end)),
limit=limit,
sort=Tweet._id)
return [t.to_d() for t in tweets]
def make_graph(time, users, tri_edges):
tweets = Tweet.find(Tweet.created_at.range(time, time+TIME_DELAY))
edges = ((tweet.user_id,at)
for tweet in tweets
for at in tweet.mentions
if tweet.user_id!=at and at in users)
graph = defaultdict(int)
for e in edges:
if tuple(sorted(e)) in tri_edges:
graph[e]+=1
return GraphSnapshot(
_id = time,
from_ids = (k[0] for k in graph.iterkeys()),
to_ids = (k[1] for k in graph.iterkeys()),
weights = graph.itervalues(),
)
