import requests, bs4, urllib, sys, re, math

url = str(sys.argv[1]);

headers = { 
	'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36',
	'Accept-Encoding': 'gzip, deflate, br',
	'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
	'Upgrade-Insecure-Requests': '1',
	'save-data': 'on',
	'Host': 'www.grainger.com'
}

resp = requests.get(url, headers = headers)
resp.raise_for_status()
resp.encoding='UTF-8'

html = resp.text

bs = bs4.BeautifulSoup(html, 'html.parser')

prdName = bs.select('div#productPage div h1.productName')[0].getText().strip()
zoomIMG = bs.select('img#mainImageZoom')[0]['data-blzsrc']
zoomIMG = 'https:' + re.sub('\$mdmain\$','$zmmain$',zoomIMG)

techSpecsName = bs.select('div.techSpecsTable ul li span.specName')
techSpecsValue = bs.select('div.techSpecsTable ul li span.specValue')

for i in range(len(techSpecsName)) :
	name = techSpecsName[i].getText().strip()
	value = techSpecsValue[i].getText().strip()
	if name != '' :
		print(prdName + "\t" + url + "\t" + name + "\t" + value)