Octoparse stop page from loading link4/10/2023 I prefer to build my scraper due to flexibility reasons. Octoparse) in the market that requires no code at all. Heck, there’s even a tonne of Web Scraping SaaS (e.g. Today, there is a handful of tools, frameworks, and libraries out there for web scraping or data extraction. With each page containing 20 restaurants, our scraper will be visiting about ~325 pages the last page of each category might not contain 20 restaurants. Looking at the website’s data, there should be a total of 6,502 restaurants (rows). Firstly, what is the total number of restaurants that are expected to be present in our dataset? The different Michelin Awards that we are interested in Let’s do a quick estimation of the scraper. Here’s an example of our restaurant model: // model.go On the other hand, having the restaurants’ address, longitude, and latitude are particularly useful when it comes to mapping them out on maps. Having that said, feel free to submit a PR if you’re interested! I’d be more than happy to work with you. In this scenario, I am leaving out the restaurant description ( see "MICHELIN Guide’s Point Of View”) as I don’t find them particularly useful. Award (1 to 3 MICHELIN Stars and Bib Gourmand).What are we collectingīefore starting this web-scraping project, I made sure that there are no existing APIs that provide these data at least as of the time of writing this.Īfter scanning through the main page along with a couple of restaurant detail pages, I eventually settled for the following (i.e. Hence, the data collected has to be consistent, accurate, and parsed correctly. So, what does “high-quality” mean? I want anyone to be able to use the data directly without having to perform any form of data munging. Leave a minimal footprint as possible to the website.Collect “high-quality” data directly from the official Michelin Guide website.Now that that is out of the way, let’s start! Colly is unbelievably elegant yet easy to use, I’d highly recommend you to go through the official documentation to get started. Overviewīefore we start, I just wanted to point out that this is not a complete tutorial about how to use Colly. The final dataset is available free to be downloaded here. What follows is my thought process on how I collect all restaurant details from the Michelin Guide using Golang with Colly framework. Inspired by this Reddit post, my initial intention was to collect restaurant data from the official Michelin Guide (in CSV file format) so that anyone can map Michelin Guide Restaurants from all around the world on Google My Maps (see an example). Gaining just one can change a chef's life losing one, however, can change it as well. Through the years, Michelin stars have become very prestigious due to their high standards and very strict anonymous testers. 9 min read Photo by Fabrizio Magoni / UnsplashĪt the beginning of the automobile era, Michelin, a tire company, created a travel guide, including a restaurant guide.When Octoparse reaches the maximum times of retrying, it would stop and enter the next step. To avoid Octoparse from being stuck in endlessly reloading the web page, you need to set up the maximum times of retrying. Set up "Maximum reload times" and interval time.You can click to add multiple conditions for Octoparse to make the judgment. As a result, once Octoparse does not detect the set XPath on the current page, it would reload the page. In this case, you need to select "Does not contain". You can also input the XPath of some certain element that would only be there when the page is loaded normally. Thus, Octoparse would retry loading the page when it detects the string in the URL/content of the current page. Input a certain string like that in the textbox as the condition and select "Contains". Usually when the load fails, the web page would respond to you with a message in the URL/content of the current page to indicate what happens, like "/errors", "500 Internal Server Error" or "Too many requests". Configure "URL/content/element(XPath) contains" option and "Contain/Does not contain" option.Octoparse needs a certain condition to tell whether the page is loaded normally and retry loading the page if the load does fail. Tick the "Retry when" box, then click to configure the condition.Retry setting is only available in 3 page-loading-related actions in the workflow: Go To Web Page, Click Item and Click to paginate. In this case, Octoparse needs to retry loading the page before starting the extraction. When the web page is not loaded normally, Octoparse has problems in scraping the data from the page and even in executing next actions. Retry action is a feature provided in Octoparse for reloading the web page that you want to scrape based on some certain condition. The latest version for this tutorial is available here.
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