def __init__(self):
LocalProc.__init__(self, "lookup")
self.scores = Scores()
if settings.lookup_in:
self.scores.read(settings.lookup_in)
self.lookups = self.scores.count_lookups()
self.halt = False
def _users_from_scores():
scores = Scores()
scores.read(settings.lookup_out)
for uid in scores:
state, rfs, ats = scores.split(uid)
if log_score(rfs,ats)>=11:
yield uid
def force_lookup(to_db="hou",start_id='',end_id=None):
"Lookup users who were not included in the original crawl."
start ='U'+start_id
end = 'U'+end_id if end_id else 'V'
user_view = Model.database.paged_view('_all_docs',include_docs=True,startkey=start,endkey=end)
users = (User(d['doc']) for d in user_view)
Model.database = connect(to_db)
found_db = connect("houtx")
found_view = found_db.paged_view('_all_docs',startkey=start,endkey=end)
found = set(d['id'] for d in found_view)
scores = Scores()
scores.read(settings.lookup_out)
region = ("Texas","United States")
for user in users:
int_uid = as_int_id(user._id)
if ( user.lookup_done or
user.protected or
int_uid not in scores or
user.local_prob==1 or
(user.local_prob==0 and user.geonames_place.name not in region) or
user._id in found
):
continue
state, rfs, ats = scores.split(int_uid)
if user.utc_offset == -21600:
if log_score(rfs,ats,.9) < 1: continue
else:
if log_score(rfs,ats) < settings.non_local_cutoff: continue
user_lookup(user)
def __init__(self):
LocalProc.__init__(self,"lookup")
self.scores = Scores()
if settings.lookup_in:
self.scores.read(settings.lookup_in)
self.lookups = self.scores.count_lookups()
self.halt = False
def analyze():
"Find out how the scoring algorithm did."
scores = Scores()
scores.read(settings.lookup_out)
local_db = CouchDB('http://127.0.0.1:5984/hou',True)
local_view = local_db.paged_view('_all_docs',startkey='U',endkey='V')
local_users = set(r['id'] for r in local_view)
locs = (-1,0,.5,1)
weights =(.1,.3,.5,.7,.9)
counts = dict(
(score, dict(
(loc, dict(
(weight,0)
for weight in weights))
for loc in locs))
for score in xrange(BUCKETS))
for user in all_users():
if user['doc'].get('utco')!=-21600:
continue
state, rfs, ats = scores.split(as_int_id(user['id']))
if user['id'] in local_users:
loc = 1
else:
try:
loc = .5 if user['doc']['prob']==.5 else 0
except ResourceNotFound:
loc = -1
for weight in weights:
score = log_score(rfs,ats,weight)
counts[score][loc][weight]+=1
print "todo\t\t\t\t\tnon\t\t\t\t\tunk\t\t\t\t\tlocal"
for score in xrange(BUCKETS):
for loc in locs:
for weight in weights:
print "%d\t"%counts[score][loc][weight],
print
def analyze():
"Find out how the scoring algorithm did."
scores = Scores()
scores.read(settings.lookup_out)
local_db = CouchDB('http://127.0.0.1:5984/hou', True)
local_view = local_db.paged_view('_all_docs', startkey='U', endkey='V')
local_users = set(r['id'] for r in local_view)
locs = (-1, 0, .5, 1)
weights = (.1, .3, .5, .7, .9)
counts = dict((score,
dict((loc, dict((weight, 0) for weight in weights))
for loc in locs)) for score in xrange(BUCKETS))
for user in all_users():
if user['doc'].get('utco') != -21600:
continue
state, rfs, ats = scores.split(as_int_id(user['id']))
if user['id'] in local_users:
loc = 1
else:
try:
loc = .5 if user['doc']['prob'] == .5 else 0
except ResourceNotFound:
loc = -1
for weight in weights:
score = log_score(rfs, ats, weight)
counts[score][loc][weight] += 1
print "todo\t\t\t\t\tnon\t\t\t\t\tunk\t\t\t\t\tlocal"
for score in xrange(BUCKETS):
for loc in locs:
for weight in weights:
print "%d\t" % counts[score][loc][weight],
print
class LookupMaster(LocalProc):
def __init__(self):
LocalProc.__init__(self,"lookup")
self.scores = Scores()
if settings.lookup_in:
self.scores.read(settings.lookup_in)
self.lookups = self.scores.count_lookups()
self.halt = False
def run(self):
print "starting lookup"
logging.info("started lookup")
try:
while not self.halt:
ready = self.stalk.stats_tube(self.stalk.using())['current-jobs-ready']
logging.info("ready is %d",ready)
if ready<1000:
cutoff = self.calc_cutoff()
if cutoff==0:
self.halt=True
print "halt because cutoff is 0"
break
logging.info("pick_users with score %d", cutoff)
self.pick_users(max(settings.min_cutoff,cutoff))
print "scores:%d lookups:%d"%(len(self.scores),self.lookups)
logging.info("read_scores")
self.read_scores()
except:
logging.exception("exception caused HALT")
self.read_scores()
self.scores.dump(settings.lookup_out)
print "Lookup is done!"
def read_scores(self):
job = None
stop = 10000000 if self.halt else 100000
for x in xrange(stop):
try:
job = self.stalk.reserve(120)
if job is None:
logging.info("loaded %d scores",x)
return
if job.body=="halt":
self.halt=True
print "starting to halt..."
logging.info("starting to halt...")
job.delete()
return
body = LookupJobBody.from_job(job)
if body.done:
self.scores.set_state(as_int_id(body._id), scoredict.DONE)
else:
self.scores.increment(
as_int_id(body._id),
body.rfriends_score,
body.mention_score
)
job.delete()
except:
logging.exception("exception in read_scores caused HALT")
self.halt = True
if job:
job.bury()
return
def calc_cutoff(self):
self.stats = [0 for x in xrange(BUCKETS)]
for u in self.scores:
state, rfs, ats = self.scores.split(u)
if state==scoredict.NEW:
self.stats[log_score(rfs,ats)]+=1
for count,score in zip(self.stats,xrange(BUCKETS)):
logging.info("%d %d",score,count)
total = 0
for i in xrange(BUCKETS-1,-1,-1):
total+=self.stats[i]
if total > settings.crawl_ratio*(len(self.scores)-self.lookups):
return i
return 0
def pick_users(self, cutoff):
for uid in self.scores:
state, rfs, ats = self.scores.split(uid)
if state==scoredict.NEW and log_score(rfs,ats) >= cutoff:
job = LookupJobBody(
_id=as_local_id('U',uid),
rfriends_score=rfs,
mention_score=ats,
)
job.put(self.stalk)
self.scores.set_state(uid, scoredict.LOOKUP)
self.lookups+=1
class LookupMaster(LocalProc):
def __init__(self):
LocalProc.__init__(self,"lookup")
self.scores = Scores()
if settings.lookup_in:
self.scores.read(settings.lookup_in)
self.lookups = self.scores.count_lookups()
self.halt = False
def run(self):
print "starting lookup"
logging.info("started lookup")
try:
while not self.halt:
tube = self.stalk.using()
ready = self.stalk.stats_tube(tube)['current-jobs-ready']
logging.info("ready is %d",ready)
if ready<1000:
cutoff = self.calc_cutoff()
old_lookups = self.lookups
if cutoff<settings.min_cutoff and self.lookups>100:
self.pick_users(settings.min_cutoff)
else:
self.pick_users(cutoff)
print "scores:%d lookups:%d"%(len(self.scores),self.lookups)
if old_lookups == self.lookups:
print "halt because no new lookups"
self.halt=True
self.read_scores()
self.force_lookup()
logging.info("read_scores")
self.read_scores()
except:
logging.exception("exception caused HALT")
self.read_scores()
self.scores.dump(settings.lookup_out)
print "Lookup is done!"
def read_scores(self):
job = None
stop = 10000000 if self.halt else 100000
for x in xrange(stop):
try:
job = self.stalk.reserve(35)
if job is None:
logging.info("loaded %d scores",x)
return
if job.body=="halt":
self.halt=True
print "starting to halt..."
logging.info("starting to halt...")
job.delete()
return
body = LookupJobBody.from_job(job)
if body.done:
self.scores.set_state(body._id, scoredict.DONE)
else:
self.scores.increment(
body._id,
body.rfriends_score,
body.mention_score
)
job.delete()
except:
logging.exception("exception in read_scores caused HALT")
self.halt = True
if job:
job.bury()
return
def calc_cutoff(self):
self.stats = [0 for x in xrange(BUCKETS)]
for u in self.scores:
state, rfs, ats = self.scores.split(u)
if state==scoredict.NEW:
self.stats[log_score(rfs,ats)]+=1
for count,score in zip(self.stats,xrange(BUCKETS)):
logging.info("%d %d",score,count)
total = 0
for i in xrange(BUCKETS-1,-1,-1):
total+=self.stats[i]
if total > settings.crawl_ratio*(len(self.scores)-self.lookups):
return i
return 0
def pick_users(self, cutoff):
logging.info("pick_users with score %d", cutoff)
for uid in self.scores:
state, rfs, ats = self.scores.split(uid)
if state==scoredict.NEW and log_score(rfs,ats) >= cutoff:
self._send_job(uid,rfs,ats)
self.lookups+=1
def _send_job(self, uid, rfs, ats, force=None):
job = LookupJobBody(
_id=uid,
rfriends_score=rfs,
mention_score=ats,
force=force
)
job.put(self.stalk)
self.scores.set_state(uid, scoredict.LOOKUP)
def force_lookup(self):
"Lookup users who were not included in the original crawl."
for user in User.get_all():
if ( user.lookup_done or
user.protected or
user._id not in self.scores or
user.local_prob==1
):
continue
state, rfs, ats = self.scores.split(user._id)
reasons = [
user.utc_offset == settings.utc_offset,
log_score(rfs,ats) >= settings.non_local_cutoff,
user.local_prob == .5,
]
if sum(reasons)>=2:
logging.info("force %s - %d for %r", user.screen_name, user._id, reasons)
self._send_job(user._id,rfs,ats,True)
class LookupMaster(LocalProc):
def __init__(self):
LocalProc.__init__(self, "lookup")
self.scores = Scores()
if settings.lookup_in:
self.scores.read(settings.lookup_in)
self.lookups = self.scores.count_lookups()
self.halt = False
def run(self):
print "starting lookup"
logging.info("started lookup")
try:
while not self.halt:
ready = self.stalk.stats_tube(
self.stalk.using())['current-jobs-ready']
logging.info("ready is %d", ready)
if ready < 1000:
cutoff = self.calc_cutoff()
if cutoff == 0:
self.halt = True
print "halt because cutoff is 0"
break
logging.info("pick_users with score %d", cutoff)
self.pick_users(max(settings.min_cutoff, cutoff))
print "scores:%d lookups:%d" % (len(
self.scores), self.lookups)
logging.info("read_scores")
self.read_scores()
except:
logging.exception("exception caused HALT")
self.read_scores()
self.scores.dump(settings.lookup_out)
print "Lookup is done!"
def read_scores(self):
job = None
stop = 10000000 if self.halt else 100000
for x in xrange(stop):
try:
job = self.stalk.reserve(120)
if job is None:
logging.info("loaded %d scores", x)
return
if job.body == "halt":
self.halt = True
print "starting to halt..."
logging.info("starting to halt...")
job.delete()
return
body = LookupJobBody.from_job(job)
if body.done:
self.scores.set_state(as_int_id(body._id), scoredict.DONE)
else:
self.scores.increment(as_int_id(body._id),
body.rfriends_score,
body.mention_score)
job.delete()
except:
logging.exception("exception in read_scores caused HALT")
self.halt = True
if job:
job.bury()
return
def calc_cutoff(self):
self.stats = [0 for x in xrange(BUCKETS)]
for u in self.scores:
state, rfs, ats = self.scores.split(u)
if state == scoredict.NEW:
self.stats[log_score(rfs, ats)] += 1
for count, score in zip(self.stats, xrange(BUCKETS)):
logging.info("%d %d", score, count)
total = 0
for i in xrange(BUCKETS - 1, -1, -1):
total += self.stats[i]
if total > settings.crawl_ratio * (len(self.scores) -
self.lookups):
return i
return 0
def pick_users(self, cutoff):
for uid in self.scores:
state, rfs, ats = self.scores.split(uid)
if state == scoredict.NEW and log_score(rfs, ats) >= cutoff:
job = LookupJobBody(
_id=as_local_id('U', uid),
rfriends_score=rfs,
mention_score=ats,
)
job.put(self.stalk)
self.scores.set_state(uid, scoredict.LOOKUP)
self.lookups += 1
