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fix scraper for Belkin #23

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fix scraper for Belkin #23

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1 change: 1 addition & 0 deletions firmware/items.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
class FirmwareImage(Item):
category = Field(default=None)
vendor = Field()
model = Field()
product = Field(default=None)

description = Field(default=None)
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147 changes: 68 additions & 79 deletions firmware/spiders/belkin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,96 +4,85 @@
from firmware.items import FirmwareImage
from firmware.loader import FirmwareLoader

import urllib.request, urllib.parse, urllib.error

import urllib.request
import urllib.parse
import urllib.error
import re

class BelkinSpider(Spider):
name = "belkin"
allowed_domains = ["belkin.com", "belkin.force.com"]
start_urls = ["http://www.belkin.com/us/support"]
start_urls = ["https://www.belkin.com/us/support-search?text=router"]

def parse(self, response):
if not response.xpath(
"//form[@id='productSearchForm']//input[@name='category']/@value").extract()[0]:
for category in response.xpath("//form[@id='productSearchForm']/div[1]//ul[@class='select-options']//a/@data-id").extract():
yield FormRequest.from_response(response,
formname="productSearchForm",
formdata={
"category": category},
callback=self.parse)
elif not response.xpath("//form[@id='productSearchForm']//input[@name='subCategory']/@value").extract()[0]:
for subcategory in response.xpath("//form[@id='productSearchForm']/div[2]//ul[@class='select-options']//a/@data-id").extract():
yield FormRequest.from_response(response,
formname="productSearchForm",
formdata={
"subCategory": subcategory},
callback=self.parse)
else:
for product in response.xpath("//form[@id='productSearchForm']/div[3]//ul[@class='select-options']//a/@data-id").extract():
yield Request(
url=urllib.parse.urljoin(
response.url, "/us/support-product?pid=%s" % (product)),
headers={"Referer": response.url},
callback=self.parse_product)
yield from response.follow_all(css="a.prodPageLink", callback=self.parse_product)

#https://www.belkin.com/us/support-product?pid=01t80000003L8FDAA0
def parse_product(self, response):
for item in response.xpath("//div[@id='main-content']//a"):
if "firmware" in item.xpath(".//text()").extract()[0].lower():
yield Request(
url=urllib.parse.urljoin(
response.url, item.xpath(".//@href").extract()[0]),
headers={"Referer": response.url},
meta={"product": response.xpath("//p[@class='product-part-number']/text()").extract()[0].split(' ')[-1]},
callback=self.parse_download)

def parse_download(self, response):
iframe = response.xpath(
"//div[@id='main-content']/iframe/@src").extract()

if iframe:
yield Request(
url=iframe[0],
headers={"Referer": response.url},
meta={"product": response.meta["product"]},
callback=self.parse_redirect)

def parse_redirect(self, response):
for text in response.body.split('\''):
if "articles/" in text.lower() and "download/" in text.lower():
yield Request(
url=urllib.parse.urljoin(response.url, text),
headers={"Referer": response.url},
meta={"product": response.meta["product"]},
callback=self.parse_kb)
product = response.css(
"div.support-product-details-block h1::text").get()
yield from response.follow_all(css="div.support-product-details-block a[title='Downloads / Firmware']", meta={"product": product}, callback=self.parse_product_firmware)

def parse_kb(self, response):
# initial html tokenization to find regions segmented by e.g. "======"
# or "------"
filtered = response.xpath(
"//div[@class='sfdc_richtext']").extract()[0].split("=-")
#https://www.belkin.com/us/support-article?articleNum=105643
#https://www.belkin.com/us/support-article?articleNum=4929
def parse_product_firmware(self, response):
version = ""
build = ""
url = ""
size = ""
description = ""

for entry in [x and x.strip() for x in filtered]:
resp = HtmlResponse(url=response.url, body=entry,
encoding=response.encoding)
divs = response.css("#support-article-downloads > div")
model = response.css("h1::text").get().replace(" Downloads","")
for div in divs:
if div.css("h2"):
version = div.xpath(".//h2/*/text()").get().replace("Versin ","")
elif div.css("h3"):
for el in div.xpath(".//*"):
tag = el.xpath("name()").get()
if tag == "h3":
res_type = el.xpath(".//text()").get()
self.logger.debug("%s: %s=%s" % (response.meta['product'], tag, res_type))

for link in resp.xpath("//a"):
href = link.xpath("@href").extract()[0]
if "cache-www" in href:
text = resp.xpath("//text()").extract()
text_next = link.xpath("following::text()").extract()
elif tag == "span" or tag == "div":
tmp=el.xpath(".//a/@href").get()
if tmp:
url = tmp
for text in el.xpath(".//text()").getall():
text=text.strip()
matches = re.match(r"Ver\. ([\d\.]+)",text)
if matches:
build=matches[1]
matches = re.match(r"(\d+) [KMG]B",text)

item = FirmwareLoader(item=FirmwareImage(),
response=response,
date_fmt=["%b %d, %Y", "%B %d, %Y",
"%m/%d/%Y"])
if matches:
size=matches[1]
self.logger.debug("%s: %s=%s" % (response.meta['product'], tag, url))

version = FirmwareLoader.find_version_period(text_next)
if not version:
version = FirmwareLoader.find_version_period(text)
elif tag == "ul":
description = res_type + "\n" + "\n".join(el.xpath(".//li//text()").getall())
self.logger.debug("%s: %s=%s" % (response.meta['product'], tag, description))
item = FirmwareLoader(item=FirmwareImage(),
response=response,
date_fmt=["%b %d, %Y", "%B %d, %Y",
"%m/%d/%Y"])
item.add_value("version", version)
item.add_value("model", model)
item.add_value("build", build)
item.add_value("url", url)
item.add_value("size", size)
item.add_value("description", description)
item.add_value("product", response.meta["product"])
item.add_value("vendor", self.name)
build = ""
url = ""
size = ""
description = ""

item.add_value("version", version)
item.add_value("date", item.find_date(text))
item.add_value("url", href)
item.add_value("product", response.meta["product"])
item.add_value("vendor", self.name)
yield item.load_item()
yield item.load_item()
elif tag == "a":
url = el.xpath("@href").get()
elif tag == "br":
self.logger.debug("%s: %s=%s" % (response.meta['product'], tag, ""))
else:
self.logger.warn("%s: %s=%s" % (response.meta['product'], tag, el.xpath(".//text()").get()))