parsel Description
Parsel is a BSD licensed Python library that extracts and removes data from HTML and XML. It uses XPath, CSS selectors and regular expressions. Make a selector object to parse the HTML or XML text. Next, use CSS or XPath expressions for selecting elements. CSS is a language that allows you to apply styles to HTML documents. It defines selectors that allow you to associate styles with specific HTML elements. XPath, which can be used with HTML, is a language that allows you to select nodes from XML documents. You can choose to use CSS or XPath. While CSS is more readable than XPath, some things cannot be done with XPath. Parsel selectors are built on top of lxml and support certain EXSLT extensions. They also come with pre-registered namesspaces for use in XPath statements. Parsel selectors let you chain selectors. This means that you can select by class using CSS, and then switch to XPath if necessary.
parsel Alternatives
AgentQL
AgentQL, powered by AI, finds elements reliably even as websites change. AgentQL powered by AI finds elements reliably even when websites change. Use natural language to find the exact element. Finds web elements based on their meaning. Use natural language descriptions instead of fragile XPath selectors and DOM selectors. You can get the results you want. Built to be as deterministic as possible. Install our Chrome extension to get started. Easy data extraction from websites. Secure your access to AgentQL with an API key. This will allow you to use the powerful features and ensure a secure experience for your apps. Write your first query to explore the capabilities of AgentQL. This is a simple and straightforward way to specify which data or web elements you wish to extract from a site. Start automating with the power of AgentQL. Gather essential data quickly, boosting analytics.
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Polymer
The Polymer library offers a variety of features that allow you to create custom elements. These features make it easy and faster to create custom elements that function like standard DOM elements. Polymer elements can be created using a constructor, document creation element, and configured using attributes and properties. Each instance is responsive to changes in property and attribute, styled with externally or internal defaults, and responsive to methods to modify its internal state. Registering an element creates a class that associates it with a custom name. To manage an element's lifecycle, the element provides callbacks. Polymer allows you to declare properties. This allows you to integrate your element’s property API with the Polymer database system. Shadow DOM creates a local, encapsulated tree of DOM for your element. A DOM template can be used to automatically create and populate a Shadow Tree for Polymer.
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Scrapy
Scrapy is a web crawling and web-scraping framework that can quickly extract structured data from websites. It can be used for many purposes, including data mining, monitoring, and automated testing. It has built-in support to select and extract data from HTML/XML sources with extended CSS selectors or XPath formulas. There are also helper methods to extract using regular terms. Built-in support to generate feed exports in multiple formats (JSON CSV, XML), and store them in multiple backends (FTP or S3, local filesystem). Robust encoding support with auto-detection for dealing with foreign, nonstandard, and broken encoding declarations.
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UI-licious
Stop writing brittle test with hard-coded CSS, waits, and XPATH selectors. Make your tests meaningful, easy to maintain, and reusable. This is because writing tests with hard-coded CSS or XPATH selectors is similar to pouring concrete on a specific UI implementation. This creates high-maintenance tests which break at the most minor changes to the UI and is difficult for humans to understand. UI-licious uses dynamic codes analysis to analyze the structure of your website. This is done using ARIA accessibility attributes and semantic HTML. It also examines the context of previous commands to determine which element should be targeted for each command. This means that even if HTML code for the UI is changed underneath the code, the test will still be valid as long the user's journey remains the same. Your website does not have to be perfect for UI-licious work.
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Pricing
Pricing Starts At:
Free
Free Version:
Yes
Company Details
Company:
Python Software Foundation
Headquarters:
United States
Website:
pypi.org/project/parsel/
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