daum open api 사용

bookapi.py

import urllib2
import json

prices = ''
pub_date = ''
categorys = ''
descs = ''
urls = ''

def retriveBookInfo(isbn):
	global prices, pub_date, categorys, descs, urls

	url = 'http://apis.daum.net/search/book?apikey=DAUM_SEARCH_DEMO_APIKEY&output=json&searchType=isbn&q=' + isbn
	try:
		data = urllib2.urlopen(url).read()
		j = json.loads(data)
		
		price = j['channel']['item'][0]['list_price']
		date = j['channel']['item'][0]['pub_date']
		category = j['channel']['item'][0]['category']
		desc = j['channel']['item'][0]['description']
		title = j['channel']['item'][0]['title']
		url = j['channel']['item'][0]['link']

		print title
		prices += price + '\n'
		pub_date += date + '\n'
		categorys += category + '\n'
		descs += desc + '\n'
		urls += url + '\n'
	except urllib2.HTTPError, e:
		print "HTTP error: %d" % e.code
	except urllib2.URLError, e:
		print "Network error: %s" % e.reason.args[1]

def writeFile(title, data):
	bookfile = open(title, 'wb')
	bookfile.write(data)
	bookfile.close()
#retriveBookInfo('9788936803872')

def main():
	books = open('Book.json')
	content = ''
	for i in books.readlines():
		content += i
		#print i.split(':')[0].strip()
		if i.split(':')[0].strip() == "\"isbn\"":
			isbn = i.split(':')[1].strip().replace(',', '').replace('\"', '')
			retriveBookInfo(isbn)

	writeFile('prices.txt', prices)
	writeFile('pub_date.txt', pub_date)
	writeFile('categorys.txt', categorys.encode('utf-8'))
	writeFile('descs.txt', descs.encode('utf-8'))
	writeFile('urls.txt', urls.encode('utf-8'))

main()