def parse_item(self,response):
sel = Selector(response)
il = ItemLoader(item=Product(), response=response)
cat = il.get_xpath('//div[contains(@id, "ctl00_pnlBreadCrumbs")]/a[last()]/text()')
availability = il.get_xpath('//a[contains(@id,"hplddToCart") or contains(@class,"addToCart")]/text()')
price = il.get_css('span#ctl00_ContentPlaceHolder1_ctrlProdDetailUC_lblRegprice > font::text')
sale = il.get_css('span#ctl00_ContentPlaceHolder1_ctrlProdDetailUC_lblSaleprice > font::text')
"""If the xpath doesn't retunr a category, the product belongs to the Bundle category"""
if not cat:
il.add_value("category", "Bundle")
else:
il.add_value("category", cat)
il.add_css("title", "span#ctl00_ContentPlaceHolder1_ctrlProdDetailUC_lblProdTitle::text")
il.add_value("url",response.url)
"""If a product can be added to the cart, the product is available online, if not, the product is not available online"""
if "ADD TO CART" in availability:
il.add_value("availability", "Product is available online")
else:
il.add_value("availability", "Product is not available online")
"""If there's a sale price present but not a regular price present, it switches the sale price for the regular price as shown in the website"""
if not price:
il.add_value("regPrice",sale)
il.add_value("salePrice", None)
else:
il.add_value("regPrice", price)
il.add_value("salePrice",sale)
return il.load_item()
def parse_product(self, response: HtmlResponse):
loader = ItemLoader(item=LeroyItem(), response=response)
loader.add_css('name', 'h1.header-2::text')
loader.add_value('url', response.url)
loader.add_css(
'price',
'uc-pdp-price-view.primary-price meta[itemprop="price"]::attr(content)'
)
loader.add_css('photos',
'picture[slot="pictures"] img::attr(data-origin)')
options_keys = loader.get_css('dt.def-list__term::text',
MapCompose(str.strip))
options_val = loader.get_css('dd.def-list__definition::text',
MapCompose(str.strip))
loader.add_value('options', dict(zip(options_keys, options_val)))
yield loader.load_item()
def parse_detail(self, response, char):
loader = ItemLoader(item=char, response=response)
loader.add_value("url", response.url)
loader.add_css("image", selectors["CHARACTER_IMAGE"])
loader.add_css("name", selectors["CHARACTER_NAME"])
loader.add_css("feature_films", selectors["CHARACTER_FEATURE_FILMS"])
loader.add_css("short_films", selectors["CHARACTER_SHORT_FILMS"])
loader.add_css("shows", selectors["CHARACTER_SHOWS"])
loader.add_css("games", selectors["CHARACTER_GAMES"])
loader.add_css("rides", selectors["CHARACTER_RIDES"])
loader.add_css("animator", selectors["CHARACTER_ANIMATOR"])
loader.add_css("designer", selectors["CHARACTER_DESIGNER"])
loader.add_css("voice", selectors["CHARACTER_VOICE"])
loader.add_css("portrayed_by", selectors["CHARACTER_PORTRAYED_BY"])
loader.add_css("performance_model",
selectors["CHARACTER_PERFORMANCE_MODEL"])
loader.add_css("inspiration", selectors["CHARACTER_INSPIRATION"])
loader.add_css("awards", selectors["CHARACTER_AWARDS"])
loader.add_css("fullname", selectors["CHARACTER_FULLNAME"])
loader.add_css("other_names", selectors["CHARACTER_OTHER_NAMES"])
loader.add_css("occupation", selectors["CHARACTER_OCCUPATION"])
loader.add_css("affiliations", selectors["CHARACTER_AFFILIATIONS"])
loader.add_css("home", selectors["CHARACTER_HOME"])
loader.add_css("likes", selectors["CHARACTER_LIKES"])
loader.add_css("dislikes", selectors["CHARACTER_DISLIKES"])
loader.add_css("powers", selectors["CHARACTER_POWERS"])
loader.add_css("paraphernalia", selectors["CHARACTER_PARAPHERNALIA"])
loader.add_css("status", selectors["CHARACTER_STATUS"])
loader.add_css("parents", selectors["CHARACTER_PARENTS"])
loader.add_css("siblings", selectors["CHARACTER_SIBLINGS"])
loader.add_css("family", selectors["CHARACTER_FAMILY"])
loader.add_css("partner", selectors["CHARACTER_PARTNER"])
loader.add_css("children", selectors["CHARACTER_CHILDREN"])
loader.add_css("pets", selectors["CHARACTER_PETS"])
if len(loader.get_css(selectors["CHARACTER_NAME"])) < 1:
loader.add_css("name", selectors["PAGE_HEADER_TITLE"])
if len(loader.get_css(selectors["CHARACTER_IMAGE"])) < 1:
loader.add_css("image", selectors["CHARACTER_THUMB_IMAGE"])
logging.info("Crawl %s" % loader.get_collected_values("name"))
char = loader.load_item()
yield char
def parse_item(self, response):
sel = Selector(response)
il = ItemLoader(item=Product(), response=response)
cat = il.get_xpath(
'//div[contains(@id, "ctl00_pnlBreadCrumbs")]/a[last()]/text()')
availability = il.get_xpath(
'//a[contains(@id,"hplddToCart") or contains(@class,"addToCart")]/text()'
)
price = il.get_css(
'span#ctl00_ContentPlaceHolder1_ctrlProdDetailUC_lblRegprice > font::text'
)
sale = il.get_css(
'span#ctl00_ContentPlaceHolder1_ctrlProdDetailUC_lblSaleprice > font::text'
)
"""If the xpath doesn't retunr a category, the product belongs to the Bundle category"""
if not cat:
il.add_value("category", "Bundle")
else:
il.add_value("category", cat)
il.add_css(
"title",
"span#ctl00_ContentPlaceHolder1_ctrlProdDetailUC_lblProdTitle::text"
)
il.add_value("url", response.url)
"""If a product can be added to the cart, the product is available online, if not, the product is not available online"""
if "ADD TO CART" in availability:
il.add_value("availability", "Product is available online")
else:
il.add_value("availability", "Product is not available online")
"""If there's a sale price present but not a regular price present, it switches the sale price for the regular price as shown in the website"""
if not price:
il.add_value("regPrice", sale)
il.add_value("salePrice", None)
else:
il.add_value("regPrice", price)
il.add_value("salePrice", sale)
return il.load_item()
def parse_image_url(self, response):
image_loader = ItemLoader(response=response)
link = image_loader.get_css(
'div.main > section.section > div.container > div > div > div > img'
)[0]
link_selector = Selector(text=link, type="xml")
sign = response.meta['current_item']
link_loader = ItemLoader(item=sign, selector=link_selector)
link_loader.add_xpath('image_url', '@src')
sign = link_loader.load_item()
return sign
def parse(self, response):
category = response.meta['current_category']
link_loader = ItemLoader(response=response)
links = link_loader.get_css(
'div.main > section.section > div.container > div > div > div > a')
for link in links:
link_selector = Selector(text=link, type="xml")
link_loader = ItemLoader(item=Sign(), selector=link_selector)
link_loader.add_value('category', category)
link_loader.add_xpath('detail_url', '@href')
link_loader.add_xpath('meaning', '@title')
link_loader.add_xpath('miniature_url', 'img/@src')
sign = link_loader.load_item()
yield scrapy.Request(url=sign['detail_url'],
callback=self.parse_image_url,
meta={'current_item': sign})
loader.get_xpath('//p[@id="price"]', TakeFirst(), re='the price is (.*)')
__________________________________________________________
'add_xpath(field_name, xpath, *processors, **kwargs)'
- Giống add_value, nó nhận 1 biểu thức Xpath thay cho 1 giá trị, Biểu thức Xpath này dùng để trích xuất ra 1 list các chuỗi unicode
- Vd:
# HTML snippet: <p class="product-name">Color TV</p>
loader.add_xpath('name', '//p[@class="product-name"]')
# HTML snippet: <p id="price">the price is $1200</p>
loader.add_xpath('price', '//p[@id="price"]', re='the price is (.*)')
__________________________________________________________
'replace_xpath(field_name, xpath, *processors, **kwargs)'
- Giống add_xpath(), nó thay thế dữ liệu cũ thay vì thêm dữ liệu mới vào nó.
__________________________________________________________
'get_css(css, *processors, **kwargs)'
- Tương tự get_xpath, nó thay thế biểu thức xpath bằng Css selector, và cũng trích xuất ra 1 list các chuỗi unicode
- Vd :
# HTML snippet: <p class="product-name">Color TV</p>
loader.get_css('p.product-name')
# HTML snippet: <p id="price">the price is $1200</p>
loader.get_css('p#price', TakeFirst(), re='the price is (.*)')
__________________________________________________________
'add_css(field_name, css, *processors, **kwargs)'
- Giống add_value, nó nhận 1 biểu thức Xpath thay cho 1 giá trị, Biểu thức Xpath này dùng để trích xuất ra 1 list các chuỗi unicode
- Vd:
# HTML snippet: <p class="product-name">Color TV</p>
loader.add_css('name', 'p.product-name')
# HTML snippet: <p id="price">the price is $1200</p>
loader.add_css('price', 'p#price', re='the price is (.*)')
__________________________________________________________
'replace_css(field_name, css, *processors, **kwargs)'
- Giống add_css(), nó thay thế dữ liệu cũ thay vì thêm dữ liệu mới tới nó.
__________________________________________________________