import urllib.request, urllib.parse, http.cookiejar
from urllib.parse import urlencode

#------------------------

username = '*****'
password = '*****'
KEY = '3315833519'

#------------------------

cj = http.cookiejar.CookieJar()
opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))
login_data = urllib.parse.urlencode({'member_id' : username, 'member_passwd' : password, 'member_form' : KEY})
login_data = login_data.encode('utf-8')
opener.open('http://www.mdpet.co.kr/member/login.html', login_data)
resp = opener.open('http://www.mdpet.co.kr/product/list.html?cate_no=347')
print(resp.read().decode("utf8"))

AuthSSL.Bind('member_form_8133315175',
["member_form_8133315175::member_id","member_form_8133315175::member_passwd","member_form_8133315175::check_save_id[]","member_form_8133315175::member_check_save_id[]","member_form_8133315175::returnUrl","member_form_8133315175::forbidIpUrl","member_form_8133315175::use_login_keeping[]","member_form_8133315175::certificationUrl","member_form_8133315175::sIsSnsCheckid","member_form_8133315175::sProvider","member_form_8133315175::check_save_id","member_form_8133315175::use_login_keeping","member_form_8133315175::sLoginKey"]);