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crawler.py
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/
crawler.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
import time
import datetime
import types
import threading
from Queue import Queue
from twitter_api import TwitterApi
from database import Database
class ProfileThread(threading.Thread):
def __init__(self, thread_name, profiles_queue, visited_profiles_queue):
threading.Thread.__init__(self, name=thread_name)
self.api = TwitterApi()
self.db = Database()
self.profiles_queue = profiles_queue
self.visited_profiles_queue = visited_profiles_queue
def run(self):
while self.profiles_queue.qsize() >= 0:
if self.profiles_queue.qsize() == 0:
time.sleep(120)
continue
uid = self.profiles_queue.get()
if self.db.is_existed(uid, "profile"):
self.profiles_queue.task_done()
print "skip ",uid
continue
print "Profiles...I am alive", uid
user_profile = self.api.get_user_profile(uid)
if user_profile == None:
self.db.record_failure(failed_proile=uid)
self.profiles_queue.task_done()
else:
self.db.insert_profile(user_profile)
self.visited_profiles_queue.put(uid)
#self.db.update_profile_progress(self.profiles_queue, self.visited_profiles_queue)
self.profiles_queue.task_done()
print "%s Profiles Finished:\t\t %d" % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), self.visited_profiles_queue.qsize())
print "%s Profiles Left:\t\t %d" % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), self.profiles_queue.qsize())
time.sleep(6)
class FollowingThread(threading.Thread):
def __init__(self, thread_name, followings_queue, profiles_queue, visited_followings_queue, visited_profiles_queue):
threading.Thread.__init__(self, name=thread_name)
self.api = TwitterApi()
self.db = Database()
self.followings_queue = followings_queue
self.profiles_queue = profiles_queue
self.visited_followings_queue = visited_followings_queue
self.visited_profiles_queue = visited_profiles_queue
def run(self):
while self.followings_queue.qsize() > 0:
uid = self.followings_queue.get()
if self.db.is_existed(uid, "following_ids"):
self.followings_queue.task_done()
print "skip ", uid
continue
if type(uid) is types.IntType:
print "Followings...I am alive ", uid
followings = self.api.get_user_followings(uid=uid)
else:
followings = self.api.get_user_followings(sname=uid)
# download followings ids
if followings == None:
self.db.record_failure(failed_following=uid)
# time.sleep(61)
self.followings_queue.task_done()
continue
self.db.insert_following(uid, followings)
self.visited_followings_queue.put(uid)
# add ids to task queues
followings_for_profiles_queue = self.exclude_processed_profiles(followings)
followings_for_followings_queue = self.exclude_processed_followings(followings)
for id in followings_for_profiles_queue:
self.profiles_queue.put(id)
for id in followings_for_followings_queue:
self.followings_queue.put(id)
#self.db.update_following_progress(self.followings_queue, self.visited_followings_queue)
self.followings_queue.task_done()
print "%s Followings Finished:\t %d" % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), self.visited_followings_queue.qsize())
print "%s Followings Left:\t\t %d" % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), self.followings_queue.qsize())
# time.sleep(61)
def exclude_processed_profiles(self, followings):
profiles_set = set(self.visited_profiles_queue.queue).union(set(self.profiles_queue.queue))
return set(followings).difference(profiles_set)
def exclude_processed_followings(self, followings):
followings_set = set(self.visited_followings_queue.queue).union(set(self.followings_queue.queue))
return set(followings).difference(followings_set)
# def is_in_profile_queue(self, uid):
# if uid in self.visited_profiles_queue.queue or uid in self.profiles_queue.queue:
# return True
# return False
# def is_in_following_queue(self, uid):
# if uid in self.visited_followings_queue.queue or uid in self.followings_queue.queue:
# return True
# return False
class FollowerThread(threading.Thread):
def __init__(self, thread_name, followers_queue, profiles_queue, visited_followers_queue, visited_profiles_queue):
threading.Thread.__init__(self, name=thread_name)
self.api = TwitterApi()
self.db = Database()
self.followers_queue = followers_queue
self.profiles_queue = profiles_queue
self.visited_followers_queue = visited_followers_queue
self.visited_profiles_queue = visited_profiles_queue
def run(self):
while self.followers_queue.qsize() > 0:
uid = self.followers_queue.get()
if self.db.is_existed(uid, "follower_ids"):
self.followers_queue.task_done()
print "skip ", uid
continue
if type(uid) is types.IntType:
print "Followers.... I am alive! ", uid
followers = self.api.get_user_followers(uid=uid)
else:
followers = self.api.get_user_followers(sname=uid)
# download followers ids
if followers == None:
self.db.record_failure(failed_follower=uid)
self.followers_queue.task_done()
# time.sleep(61)
continue
self.db.insert_follower(uid, followers)
self.visited_followers_queue.put(uid)
# add ids to task queues
followers_for_profiles_queue = self.exclude_processed_profiles(followers)
followers_for_followers_queue = self.exclude_processed_followers(followers)
for id in followers_for_profiles_queue:
self.profiles_queue.put(id)
for id in followers_for_followers_queue:
self.followers_queue.put(id)
# self.db.update_follower_progress(self.followers_queue, self.visited_followers_queue)
self.followers_queue.task_done()
print "%s Followers Finished:\t\t %d" % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), self.visited_followers_queue.qsize())
print "%s Followers Left:\t\t %d" % (datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"), self.followers_queue.qsize())
# time.sleep(61)
def exclude_processed_profiles(self, followers):
profiles_set = set(self.visited_profiles_queue.queue).union(set(self.profiles_queue.queue))
return set(followers).difference(profiles_set)
def exclude_processed_followers(self, followers):
followers_set = set(self.visited_followers_queue.queue).union(set(self.followers_queue.queue))
return set(followers).difference(followers_set)
# def is_in_profile_queue(self, uid):
# if uid in self.visited_profiles_queue.queue or uid in self.profiles_queue.queue:
# return True
# return False
# def is_in_follower_queue(self, uid):
# if uid in self.visited_followers_queue.queue or uid in self.followers_queue.queue:
# return True
# return False
class Crawler(object):
def __init__(self, profiles = list(), visited_profiles = list(), followings = list(), visited_followings = list(), followers = list(), visited_followers = list()):
self.visited_profiles_queue = Queue()
self.visited_followings_queue = Queue()
self.visited_followers_queue = Queue()
self.profiles_queue = Queue()
self.followings_queue = Queue()
self.followers_queue = Queue()
for p in profiles:
self.profiles_queue.put(p)
for vp in visited_profiles:
self.visited_profiles_queue.put(vp)
for f in followings:
self.followings_queue.put(f)
for vf in visited_followings:
self.visited_followings_queue.put(vf)
for f in followers:
self.followers_queue.put(f)
for vf in visited_followers:
self.visited_followers_queue.put(vf)
def start(self):
profile_thread = ProfileThread('Profi', self.profiles_queue, self.visited_profiles_queue)
following_thread = FollowingThread('Fling', self.followings_queue, self.profiles_queue, self.visited_followings_queue, self.visited_profiles_queue)
follower_thread = FollowerThread('Flwer', self.followers_queue, self.profiles_queue, self.visited_followers_queue, self.visited_profiles_queue)
profile_thread.start()
following_thread.start()
follower_thread.start()
profile_thread.join()
following_thread.join()
follower_thread.join()
print "ALL DONE!"