text: # coding: UTF-8
  
  import os, urllib2, re, csv, sys, json, time, datetime
  from bs4 import BeautifulSoup
  
  class GetImage():
  	"""docstring for temperature"""
  
  	def __init__(self):
  		self.songs = {}
  		self.get_songs_list()
  	
  	def get_songs_list( self ):
  		try:
  			with open('../js/songs.json', 'r') as fileobj:
  				self.songs = json.load(fileobj)
  		except Exception as e:
  			raise e
  		finally:
  			pass
  	
  	def save_image( self, discogsID ):
  		'''
  		request and save image
  		'''
  		slug      = discogsID.replace('r', 'release/').replace('m', 'master/')
  		url       = 'https://www.discogs.com/' + slug
  		save_path = '../img/%s.jpg' % (discogsID)
  		UA        = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36'
  		print 'request URL -> ' + url
  		
  		try:
  			# get HTML
  			request = urllib2.Request(url, headers ={'User-Agent': UA})
  			page    = urllib2.urlopen(request)
  			dom     = BeautifulSoup(page, 'lxml')
  			img     = dom.find('span', {'class': 'thumbnail_center'}).find('img')
  			attrs   = img.attrs
  			print 'iamge URL   -> ' + attrs['src']
  			
  			with open(save_path, 'w') as fileobj:
  				fileobj.write(urllib2.urlopen(attrs['src']).read())
  		except Exception as e:
  			raise e
  		finally:
  			return
  	
  	def get_all(self):
  		'''
  		main routine. get all images.
  		'''
  		for song in self.songs:
  			print song['title']
  			self.save_image( song['discogsID'] )
  # end class
  
  # 実行
  app = GetImage()
  app.get_all()
  # app.save_image('m274260')