diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index 62304de2c..a3a0ab390 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -439,9 +439,11 @@ page, extracting data from it:: yield scrapy.Request(next_page, callback=self.parse) -Now, after extracting the data, the `parse()` method looks for the link to the next page, -builds a full absolute URL using the `response.urljoin` method (since the links can -be relative) and yields a new request to the next page, registering itself as callback to handle the data extraction for the next page and to keep the crawling going through all the pages. +Now, after extracting the data, the ``parse()`` method looks for the link to +the next page, builds a full absolute URL using the ``response.urljoin`` method +(since the links can be relative) and yields a new request to the next page, +registering itself as callback to handle the data extraction for the next page +and to keep the crawling going through all the pages. What you see here is Scrapy's mechanism of following links: when you yield a Request in a callback method, Scrapy will schedule that request to be sent @@ -498,16 +500,16 @@ this time for scraping author information:: This spider will start from the main page, it will follow all the links to the authors pages calling the ``parse_author`` callback for each of them, and also -the paginations links too with the ``parse`` callback as we saw before. +the pagination links too with the ``parse`` callback as we saw before. The ``parse_author`` callback defines a helper function to extract and cleanup the data from a CSS query and yields the Python dict with the author data. -Another interesting this spider demonstrates is that, even if there are many -quotes from the same author, we don't need to worry about visiting the same -page multiple times because Scrapy by default filters out duplicated requests -to URLs already visited, avoiding the problem of hitting servers too much -because of a programming mistake. This can be configured by the setting +Another interesting thing this spider demonstrates is that, even if there are +many quotes from the same author, we don't need to worry about visiting the +same author page multiple times. By default, Scrapy filters out duplicated +requests to URLs already visited, avoiding the problem of hitting servers too +much because of a programming mistake. This can be configured by the setting :setting:`DUPEFILTER_CLASS`. .. note::