brooklyntriada.blogg.se - Webscraper checkbox

#Webscraper checkbox code

What we need is just the number 22 to mean that we have 22 copies available.

If you extract the text content in 23 you will end up with such as string.

Therefore we had to splitting the string before using the function in line 28–38 to get the actual star as a number. On extracting content on line 24 by using text function, you will get such a string star-rating Four

You use get_attribute(class) to access such an information. This book is rated 4-star but this fact is hidden as a value to the class attribute.

It is also important to note that the numbers of stars a book has comes as a property of p tag.

Note that 16 locates all books in the page because all the books belongs to the same class product_prod that is why we index (index 0) it to get only one book.

#Webscraper checkbox code

Line 16 through 18 - We are moving down the the HTML code to get the URL for the book.Lets go through some lines so that you understand what the code is actually doing In fact all books in all pages belong to the same class product_prod and with article tag.to get into href we need to move down the hierarchy as follows: class= “product_prod” > h3 tag > a tag and the get value of href attribute. What we need in this card is to get the URL, that is, href in a tag.The tag as a class attribute with the value product_prod The book in question is inside article tag.£38.16 In stock Add to basket īefore we go into coding lets make some observations On inspecting the site here is the HTML code for the highlighted region (representing one book) The Nameless City (The. The following link also works for page 1 : Ĭlearly, we can notice a pattern implying that looping through the pages will be simple because we can generate these URL as we move along the loop.įig 5 : Inspection of elements for one book.

Moving from one page to another involves a modification of the URL in a way that it is trivial to predict a link to any page.

This means that we will have a loop to scrape each book in the page and another one to iterate through pages. So, to get the book details we need this links.

The details of each book can be found by using the URL on each card.

Scrape details for each book on the page.

Fig 4: The site we want to scrape (Source: Author)