For column extraction, this is a list of selectors For rowĮxtraction, this is a selector that gives the row to beĮxtracted. Selector : Specifies the selector for the data. Suffix : Specifies a suffix to be added to each header. Prefix : Specifies a prefix to be added to each header. This can be a list of headers, or a selector that gives the Header : Specifies the headers to be used for the table. Set of rows have to be extracted, giving a list of header-value This determines the type of table to be extracted.Ī row extraction is when there is a single row to be extractedĪnd mapped to a set of headers. Table_type : Specifies the type of table (“rows” or Table : Specifies a description for scraping tabular data. Selector : Specifies the selector expression.Īttr : Specifies the attribute to be extracted from theįield : Specifies the field name under which this data isĭefault : Specifies the default value to be used if the Url : Specifies the URL of the base web page to be loaded.ĭata : Specifies a list of selectors for the data to be Scraping : Specifies parameters for the extractor to be created. Selector_type : Specifies the type of selector expressions used. Project_name : Specifies the name of the project with which the The keys used in the configuration file are : Selector expressions for the data to be extracted and in the case ofĬrawlers, the selector expression for the links to be crawled through. It contains the URL for the web page to be loaded, the The configuration file is the basic specification of the extractor Scrapple implements the desired extractor on the basis of the Scrapple provides 4 commands to create and implement extractors. $ python setup.py install How to use Scrapple Otherwise, you could clone this repository and install the package. You can install Scrapple by using $ sudo apt-get install libxml2-dev libxslt-dev python-dev lib32z1-dev Generate a Python script that implements the desired extractor. Scrapple does the work of running this extractor, without the The user-specified configuration file contains selectorĮxpressions (XPath expressions or CSS selectors) and the attribute to be The focus is laid on what to extract, rather than The primary goal of Scrapple is to abstract the process of designing webĬontent extractors. Interface to provide the necessary input. Script on a given JSON-based configuration input, as well as a web It provides a command line interface to run the Creating web scrapers and web crawlers according to a key-value basedĬonfiguration file.
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