text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import urllib2
  import copy
  import re
  from bs4 import BeautifulSoup
  import key_set
  
  class Correlate:
  	def __init__(self, key_set, corr_cnt, land_sel):
  		self.key_set = key_set
  		self.corr_cnt = corr_cnt
  		self.land_sel = land_sel
  		self.header = {'User-Agent':"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36"}
  
  		# 빈 검색어
  		self.null_set = []
  		for i in range(self.corr_cnt):
  			self.null_set.append(None)
  
  	def get_soup(self, url):
  		return BeautifulSoup(urllib2.urlopen(urllib2.Request(url,headers=self.header)),'html.parser')
  
  	# 공백으로 자른뒤 +삽입(구글용)
  	def key_setting(self, key):
  		key = key.split()
  		key = '+'.join(key)
  		return key
  
  	# get_correlate
  	def get_correlate(self, keySet):
  		next_key_set = []
  		# &p=us : United States &p=de : Deutschland
  		url = "https://www.google.com/trends/correlate/search?e="+self.key_setting(keySet.key)+"&t=weekly&p="+self.land_sel
  
  		while(1):
  			try:
  				soup = self.get_soup(url)
  				for a in soup.find_all("li", {"class":"result","style":""}, limit=int(self.corr_cnt)):
  					tmp = copy.deepcopy(keySet)
  					tmp.parents_key = keySet.key
  
  					# a["event"] = re.sub(ur'[\p{Arabic}\p{Han}\p{Hangul}\p{Thai}\p{Cyrillic}]+', "", a["event"]) # 영어만 처리
  					if not a["event"] or a["event"] == " ":
  						tmp.key = None
  					else:
  						tmp.key = a["event"]
  
  					next_key_set.append(tmp)
  				break
  			except Exception as e:
  				continue
  
  		return next_key_set
  
  	# 검색어 추출 시작점
  	def set_correlate(self):
  		next_key_set = []
  
  		for a in range(len(self.key_set)):
  			if not self.key_set[a].key:
  				next_key_set.extend(self.null_set)
  			else:
  				next_key_set.extend(self.get_correlate(self.key_set[a]))
  		return next_key_set
  
  
  
  