DMMのAPIを叩くクラス

DMMのAPIの仕様はこちら
https://affiliate.dmm.com/api/
XML返ってくるだけなので、後はパースするなり何するなりお好きに・・・

#coding:utf-8
import urllib2
import time

"""
DMM APIを使って商品情報を取得する
"""

class Dmm:
    def __init__(self, api_id, affiliate_id):
        """コンストラクタ"""
        self.baseurl = "http://affiliate-api.dmm.com/"
        self.proxy_host = None
        self.proxy_port = None
        self.api_id = api_id
        self.affiliate_id = affiliate_id
        self.version = "1.0.0"
        self.site = 'DMM.co.jp'
        self.service = 'digital'
        self.operation = 'ItemList'

        self.url = None

    def setProxy(self, host, port=8080):
        """プロキシをセット"""
        self.proxy_host = host
        self.proxy_port = port

    def setVersion(self, version):
        """バージョンをセット"""
        self.version = version
    def setSite(self, site):
        """Siteをセット"""
        self.site = site
    def setService(self, service):
        """Serviceをセット"""
        self.service = service

    def keywordSearch(self, keyword, **options):
        """アイテムを検索"""
        params = options
        params["keyword"] = keyword
        return unicode(self.sendRequest(params),'euc-jp')
        #return self.buildURL(params)

    def buildURL(self, params):
        """RESTリクエストのURLアドレスを構築"""
        params["api_id"] = self.api_id
        params["affiliate_id"] = self.affiliate_id
        params["version"] = self.version
        params["site"] = self.site
        params["service"] = self.service
        params["operation"] = self.operation
        params["timestamp"] = time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime())
        sorted_params = sorted(params.items())

        # paramsのハッシュを展開
        request = []
        for p in sorted_params:
            pair = "%s=%s" % (p[0], urllib2.quote(p[1].encode("euc-jp")))
            request.append(pair)

        url = self.baseurl + "?" + "&".join(request)

        return url

    def sendRequest(self, params):
        """DMMにリクエストを送付し、取得したXMLを返す"""
        self.url = self.buildURL(params)
        if self.proxy_host:
            proxy_handler = urllib2.ProxyHandler({"http":"http://%s:%s/" % (self.proxy_host, self.proxy_port)})
            opener = urllib2.build_opener(proxy_handler)
        else:
            opener = urllib2.build_opener()
        return opener.open(self.url).read()

def _test():
    dmm = Dmm('APIキー', 'アフィコード')
    print dmm.keywordSearch('sex',hits='100')

if __name__ == '__main__':
    _test()